mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-11 04:15:43 +00:00
a5475a4e9c
The check for sub-texture support happens before iterating over tiles in TiledTextureImage, and forces the bounds to the boundaries of the TiledTextureImage. This causes any upload on a TiledTextureImage to re-upload every single tile, regardless of whether it intersects with the upload region. Fix this by moving this check inside of the tile iteration loop, and expanding individual tile upload regions to tile boundaries.
2839 lines
101 KiB
C++
2839 lines
101 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir@pobox.com>
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* Mark Steele <mwsteele@gmail.com>
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* Bas Schouten <bschouten@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <string.h>
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#include <stdio.h>
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#include "prlink.h"
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#include "prenv.h"
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#include "nsThreadUtils.h"
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#include "gfxPlatform.h"
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#include "GLContext.h"
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#include "GLContextProvider.h"
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#include "gfxCrashReporterUtils.h"
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#include "gfxUtils.h"
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#include "mozilla/Util.h" // for DebugOnly
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namespace mozilla {
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namespace gl {
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#ifdef DEBUG
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PRUintn GLContext::sCurrentGLContextTLS = -1;
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#endif
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PRUint32 GLContext::sDebugMode = 0;
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// define this here since it's global to GLContextProvider, not any
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// specific implementation
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const ContextFormat ContextFormat::BasicRGBA32Format(ContextFormat::BasicRGBA32);
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#define MAX_SYMBOL_LENGTH 128
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#define MAX_SYMBOL_NAMES 5
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// should match the order of GLExtensions
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static const char *sExtensionNames[] = {
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"GL_EXT_framebuffer_object",
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"GL_ARB_framebuffer_object",
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"GL_ARB_texture_rectangle",
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"GL_EXT_bgra",
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"GL_EXT_texture_format_BGRA8888",
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"GL_OES_depth24",
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"GL_OES_depth32",
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"GL_OES_stencil8",
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"GL_OES_texture_npot",
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"GL_OES_depth_texture",
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"GL_OES_packed_depth_stencil",
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"GL_IMG_read_format",
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"GL_EXT_read_format_bgra",
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"GL_APPLE_client_storage",
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"GL_ARB_texture_non_power_of_two",
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"GL_ARB_pixel_buffer_object",
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"GL_ARB_ES2_compatibility",
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"GL_OES_texture_float",
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"GL_ARB_texture_float",
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"GL_EXT_unpack_subimage",
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"GL_OES_standard_derivatives",
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"GL_EXT_texture_filter_anisotropic",
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"GL_EXT_framebuffer_blit",
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"GL_ANGLE_framebuffer_blit",
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"GL_EXT_framebuffer_multisample",
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"GL_ANGLE_framebuffer_multisample",
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"GL_OES_rgb8_rgba8",
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"GL_ARB_robustness",
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"GL_EXT_robustness",
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NULL
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};
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bool
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LibrarySymbolLoader::OpenLibrary(const char *library)
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{
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PRLibSpec lspec;
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lspec.type = PR_LibSpec_Pathname;
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lspec.value.pathname = library;
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mLibrary = PR_LoadLibraryWithFlags(lspec, PR_LD_LAZY | PR_LD_LOCAL);
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if (!mLibrary)
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return false;
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return true;
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}
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bool
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LibrarySymbolLoader::LoadSymbols(SymLoadStruct *firstStruct, bool tryplatform, const char *prefix)
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{
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return LoadSymbols(mLibrary, firstStruct, tryplatform ? mLookupFunc : nsnull, prefix);
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}
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PRFuncPtr
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LibrarySymbolLoader::LookupSymbol(PRLibrary *lib,
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const char *sym,
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PlatformLookupFunction lookupFunction)
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{
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PRFuncPtr res = 0;
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// try finding it in the library directly, if we have one
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if (lib) {
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res = PR_FindFunctionSymbol(lib, sym);
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}
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// then try looking it up via the lookup symbol
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if (!res && lookupFunction) {
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res = lookupFunction(sym);
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}
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// finally just try finding it in the process
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if (!res) {
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PRLibrary *leakedLibRef;
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res = PR_FindFunctionSymbolAndLibrary(sym, &leakedLibRef);
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}
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return res;
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}
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bool
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LibrarySymbolLoader::LoadSymbols(PRLibrary *lib,
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SymLoadStruct *firstStruct,
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PlatformLookupFunction lookupFunction,
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const char *prefix)
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{
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char sbuf[MAX_SYMBOL_LENGTH * 2];
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int failCount = 0;
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SymLoadStruct *ss = firstStruct;
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while (ss->symPointer) {
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*ss->symPointer = 0;
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for (int i = 0; i < MAX_SYMBOL_NAMES; i++) {
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if (ss->symNames[i] == nsnull)
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break;
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const char *s = ss->symNames[i];
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if (prefix && *prefix != 0) {
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strcpy(sbuf, prefix);
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strcat(sbuf, ss->symNames[i]);
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s = sbuf;
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}
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PRFuncPtr p = LookupSymbol(lib, s, lookupFunction);
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if (p) {
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*ss->symPointer = p;
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break;
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}
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}
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if (*ss->symPointer == 0) {
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fprintf (stderr, "Can't find symbol '%s'\n", ss->symNames[0]);
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failCount++;
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}
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ss++;
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}
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return failCount == 0 ? true : false;
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}
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/*
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* XXX - we should really know the ARB/EXT variants of these
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* instead of only handling the symbol if it's exposed directly.
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*/
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bool
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GLContext::InitWithPrefix(const char *prefix, bool trygl)
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{
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ScopedGfxFeatureReporter reporter("GL Context");
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if (mInitialized) {
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reporter.SetSuccessful();
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return true;
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}
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SymLoadStruct symbols[] = {
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{ (PRFuncPtr*) &mSymbols.fActiveTexture, { "ActiveTexture", "ActiveTextureARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fAttachShader, { "AttachShader", "AttachShaderARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBindAttribLocation, { "BindAttribLocation", "BindAttribLocationARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBindBuffer, { "BindBuffer", "BindBufferARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBindTexture, { "BindTexture", "BindTextureARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendColor, { "BlendColor", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendEquation, { "BlendEquation", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendEquationSeparate, { "BlendEquationSeparate", "BlendEquationSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendFunc, { "BlendFunc", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBlendFuncSeparate, { "BlendFuncSeparate", "BlendFuncSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBufferData, { "BufferData", NULL } },
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{ (PRFuncPtr*) &mSymbols.fBufferSubData, { "BufferSubData", NULL } },
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{ (PRFuncPtr*) &mSymbols.fClear, { "Clear", NULL } },
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{ (PRFuncPtr*) &mSymbols.fClearColor, { "ClearColor", NULL } },
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{ (PRFuncPtr*) &mSymbols.fClearStencil, { "ClearStencil", NULL } },
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{ (PRFuncPtr*) &mSymbols.fColorMask, { "ColorMask", NULL } },
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{ (PRFuncPtr*) &mSymbols.fCullFace, { "CullFace", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDetachShader, { "DetachShader", "DetachShaderARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDepthFunc, { "DepthFunc", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDepthMask, { "DepthMask", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDisable, { "Disable", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDisableVertexAttribArray, { "DisableVertexAttribArray", "DisableVertexAttribArrayARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDrawArrays, { "DrawArrays", NULL } },
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{ (PRFuncPtr*) &mSymbols.fDrawElements, { "DrawElements", NULL } },
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{ (PRFuncPtr*) &mSymbols.fEnable, { "Enable", NULL } },
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{ (PRFuncPtr*) &mSymbols.fEnableVertexAttribArray, { "EnableVertexAttribArray", "EnableVertexAttribArrayARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fFinish, { "Finish", NULL } },
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{ (PRFuncPtr*) &mSymbols.fFlush, { "Flush", NULL } },
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{ (PRFuncPtr*) &mSymbols.fFrontFace, { "FrontFace", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetActiveAttrib, { "GetActiveAttrib", "GetActiveAttribARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetActiveUniform, { "GetActiveUniform", "GetActiveUniformARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetAttachedShaders, { "GetAttachedShaders", "GetAttachedShadersARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetAttribLocation, { "GetAttribLocation", "GetAttribLocationARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetIntegerv, { "GetIntegerv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetFloatv, { "GetFloatv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetBooleanv, { "GetBooleanv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetBufferParameteriv, { "GetBufferParameteriv", "GetBufferParameterivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetError, { "GetError", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetProgramiv, { "GetProgramiv", "GetProgramivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetProgramInfoLog, { "GetProgramInfoLog", "GetProgramInfoLogARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexParameteri, { "TexParameteri", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexParameterf, { "TexParameterf", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetString, { "GetString", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetTexParameterfv, { "GetTexParameterfv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetTexParameteriv, { "GetTexParameteriv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetUniformfv, { "GetUniformfv", "GetUniformfvARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetUniformiv, { "GetUniformiv", "GetUniformivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetUniformLocation, { "GetUniformLocation", "GetUniformLocationARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetVertexAttribfv, { "GetVertexAttribfv", "GetVertexAttribfvARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fGetVertexAttribiv, { "GetVertexAttribiv", "GetVertexAttribivARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fHint, { "Hint", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsBuffer, { "IsBuffer", "IsBufferARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsEnabled, { "IsEnabled", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsProgram, { "IsProgram", "IsProgramARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsShader, { "IsShader", "IsShaderARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fIsTexture, { "IsTexture", "IsTextureARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fLineWidth, { "LineWidth", NULL } },
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{ (PRFuncPtr*) &mSymbols.fLinkProgram, { "LinkProgram", "LinkProgramARB", NULL } },
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{ (PRFuncPtr*) &mSymbols.fPixelStorei, { "PixelStorei", NULL } },
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{ (PRFuncPtr*) &mSymbols.fPolygonOffset, { "PolygonOffset", NULL } },
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{ (PRFuncPtr*) &mSymbols.fReadPixels, { "ReadPixels", NULL } },
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{ (PRFuncPtr*) &mSymbols.fSampleCoverage, { "SampleCoverage", NULL } },
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{ (PRFuncPtr*) &mSymbols.fScissor, { "Scissor", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilFunc, { "StencilFunc", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilFuncSeparate, { "StencilFuncSeparate", "StencilFuncSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilMask, { "StencilMask", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilMaskSeparate, { "StencilMaskSeparate", "StencilMaskSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilOp, { "StencilOp", NULL } },
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{ (PRFuncPtr*) &mSymbols.fStencilOpSeparate, { "StencilOpSeparate", "StencilOpSeparateEXT", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexImage2D, { "TexImage2D", NULL } },
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{ (PRFuncPtr*) &mSymbols.fTexSubImage2D, { "TexSubImage2D", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1f, { "Uniform1f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1fv, { "Uniform1fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1i, { "Uniform1i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform1iv, { "Uniform1iv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2f, { "Uniform2f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2fv, { "Uniform2fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2i, { "Uniform2i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform2iv, { "Uniform2iv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3f, { "Uniform3f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3fv, { "Uniform3fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3i, { "Uniform3i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform3iv, { "Uniform3iv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4f, { "Uniform4f", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4fv, { "Uniform4fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4i, { "Uniform4i", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUniform4iv, { "Uniform4iv", NULL } },
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|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix2fv, { "UniformMatrix2fv", NULL } },
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|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix3fv, { "UniformMatrix3fv", NULL } },
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|
{ (PRFuncPtr*) &mSymbols.fUniformMatrix4fv, { "UniformMatrix4fv", NULL } },
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{ (PRFuncPtr*) &mSymbols.fUseProgram, { "UseProgram", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fValidateProgram, { "ValidateProgram", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribPointer, { "VertexAttribPointer", NULL } },
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|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib1f, { "VertexAttrib1f", NULL } },
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|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib2f, { "VertexAttrib2f", NULL } },
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|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib3f, { "VertexAttrib3f", NULL } },
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|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib4f, { "VertexAttrib4f", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib1fv, { "VertexAttrib1fv", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib2fv, { "VertexAttrib2fv", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib3fv, { "VertexAttrib3fv", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttrib4fv, { "VertexAttrib4fv", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fViewport, { "Viewport", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fCompileShader, { "CompileShader", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexImage2D, { "CopyTexImage2D", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fCopyTexSubImage2D, { "CopyTexSubImage2D", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderiv, { "GetShaderiv", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderInfoLog, { "GetShaderInfoLog", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderSource, { "GetShaderSource", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fShaderSource, { "ShaderSource", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fVertexAttribPointer, { "VertexAttribPointer", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fBindFramebuffer, { "BindFramebuffer", "BindFramebufferEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fBindRenderbuffer, { "BindRenderbuffer", "BindRenderbufferEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fCheckFramebufferStatus, { "CheckFramebufferStatus", "CheckFramebufferStatusEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fFramebufferRenderbuffer, { "FramebufferRenderbuffer", "FramebufferRenderbufferEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fFramebufferTexture2D, { "FramebufferTexture2D", "FramebufferTexture2DEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGenerateMipmap, { "GenerateMipmap", "GenerateMipmapEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGetFramebufferAttachmentParameteriv, { "GetFramebufferAttachmentParameteriv", "GetFramebufferAttachmentParameterivEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGetRenderbufferParameteriv, { "GetRenderbufferParameteriv", "GetRenderbufferParameterivEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fIsFramebuffer, { "IsFramebuffer", "IsFramebufferEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fIsRenderbuffer, { "IsRenderbuffer", "IsRenderbufferEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fRenderbufferStorage, { "RenderbufferStorage", "RenderbufferStorageEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fGenBuffers, { "GenBuffers", "GenBuffersARB", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGenTextures, { "GenTextures", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fCreateProgram, { "CreateProgram", "CreateProgramARB", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fCreateShader, { "CreateShader", "CreateShaderARB", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGenFramebuffers, { "GenFramebuffers", "GenFramebuffersEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGenRenderbuffers, { "GenRenderbuffers", "GenRenderbuffersEXT", NULL } },
|
|
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteBuffers, { "DeleteBuffers", "DeleteBuffersARB", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteTextures, { "DeleteTextures", "DeleteTexturesARB", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteProgram, { "DeleteProgram", "DeleteProgramARB", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteShader, { "DeleteShader", "DeleteShaderARB", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteFramebuffers, { "DeleteFramebuffers", "DeleteFramebuffersEXT", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fDeleteRenderbuffers, { "DeleteRenderbuffers", "DeleteRenderbuffersEXT", NULL } },
|
|
|
|
{ NULL, { NULL } },
|
|
|
|
};
|
|
|
|
mInitialized = LoadSymbols(&symbols[0], trygl, prefix);
|
|
|
|
// Load OpenGL ES 2.0 symbols, or desktop if we aren't using ES 2.
|
|
if (mInitialized) {
|
|
if (mIsGLES2) {
|
|
SymLoadStruct symbols_ES2[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetShaderPrecisionFormat, { "GetShaderPrecisionFormat", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fClearDepthf, { "ClearDepthf", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fDepthRangef, { "DepthRangef", NULL } },
|
|
{ NULL, { NULL } },
|
|
};
|
|
|
|
if (!LoadSymbols(&symbols_ES2[0], trygl, prefix)) {
|
|
NS_RUNTIMEABORT("OpenGL ES 2.0 supported, but symbols could not be loaded.");
|
|
mInitialized = false;
|
|
}
|
|
} else {
|
|
SymLoadStruct symbols_desktop[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fClearDepth, { "ClearDepth", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fDepthRange, { "DepthRange", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fReadBuffer, { "ReadBuffer", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fMapBuffer, { "MapBuffer", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fUnmapBuffer, { "UnmapBuffer", NULL } },
|
|
{ NULL, { NULL } },
|
|
};
|
|
|
|
if (!LoadSymbols(&symbols_desktop[0], trygl, prefix)) {
|
|
NS_RUNTIMEABORT("Desktop symbols failed to load.");
|
|
mInitialized = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
const char *glVendorString;
|
|
const char *glRendererString;
|
|
|
|
if (mInitialized) {
|
|
glVendorString = (const char *)fGetString(LOCAL_GL_VENDOR);
|
|
const char *vendorMatchStrings[VendorOther] = {
|
|
"Intel",
|
|
"NVIDIA",
|
|
"ATI",
|
|
"Qualcomm"
|
|
};
|
|
mVendor = VendorOther;
|
|
for (int i = 0; i < VendorOther; ++i) {
|
|
if (DoesStringMatch(glVendorString, vendorMatchStrings[i])) {
|
|
mVendor = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
glRendererString = (const char *)fGetString(LOCAL_GL_RENDERER);
|
|
const char *rendererMatchStrings[RendererOther] = {
|
|
"Adreno 200"
|
|
};
|
|
mRenderer = RendererOther;
|
|
for (int i = 0; i < RendererOther; ++i) {
|
|
if (DoesStringMatch(glRendererString, rendererMatchStrings[i])) {
|
|
mRenderer = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mInitialized) {
|
|
#ifdef DEBUG
|
|
static bool once = false;
|
|
if (!once) {
|
|
const char *vendors[VendorOther] = {
|
|
"Intel",
|
|
"NVIDIA",
|
|
"ATI",
|
|
"Qualcomm"
|
|
};
|
|
|
|
once = true;
|
|
if (mVendor < VendorOther) {
|
|
printf_stderr("OpenGL vendor ('%s') recognized as: %s\n",
|
|
glVendorString, vendors[mVendor]);
|
|
} else {
|
|
printf_stderr("OpenGL vendor ('%s') unrecognized\n", glVendorString);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
InitExtensions();
|
|
|
|
NS_ASSERTION(!IsExtensionSupported(GLContext::ARB_pixel_buffer_object) ||
|
|
(mSymbols.fMapBuffer && mSymbols.fUnmapBuffer),
|
|
"ARB_pixel_buffer_object supported without glMapBuffer/UnmapBuffer being available!");
|
|
|
|
if (SupportsRobustness()) {
|
|
if (IsExtensionSupported(ARB_robustness)) {
|
|
SymLoadStruct robustnessSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetGraphicsResetStatus, { "GetGraphicsResetStatusARB", NULL } },
|
|
{ NULL, { NULL } },
|
|
};
|
|
|
|
if (!LoadSymbols(&robustnessSymbols[0], trygl, prefix)) {
|
|
NS_RUNTIMEABORT("GL supports ARB_robustness without supplying GetGraphicsResetStatusARB.");
|
|
mInitialized = false;
|
|
} else {
|
|
mHasRobustness = true;
|
|
}
|
|
} else if (IsExtensionSupported(EXT_robustness)) {
|
|
SymLoadStruct robustnessSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetGraphicsResetStatus, { "GetGraphicsResetStatusEXT", NULL } },
|
|
{ NULL, { NULL } },
|
|
};
|
|
|
|
if (!LoadSymbols(&robustnessSymbols[0], trygl, prefix)) {
|
|
NS_RUNTIMEABORT("GL supports EGL_robustness without supplying GetGraphicsResetStatusEXT.");
|
|
mInitialized = false;
|
|
} else {
|
|
mHasRobustness = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for aux symbols based on extensions
|
|
if (IsExtensionSupported(GLContext::ANGLE_framebuffer_blit) ||
|
|
IsExtensionSupported(GLContext::EXT_framebuffer_blit)) {
|
|
SymLoadStruct auxSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fBlitFramebuffer, { "BlitFramebuffer", "BlitFramebufferEXT", "BlitFramebufferANGLE", NULL } },
|
|
{ NULL, { NULL } },
|
|
};
|
|
if (!LoadSymbols(&auxSymbols[0], trygl, prefix)) {
|
|
NS_RUNTIMEABORT("GL supports framebuffer_blit without supplying glBlitFramebuffer");
|
|
mInitialized = false;
|
|
}
|
|
}
|
|
|
|
if (IsExtensionSupported(GLContext::ANGLE_framebuffer_multisample) ||
|
|
IsExtensionSupported(GLContext::EXT_framebuffer_multisample)) {
|
|
SymLoadStruct auxSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fRenderbufferStorageMultisample, { "RenderbufferStorageMultisample", "RenderbufferStorageMultisampleEXT", "RenderbufferStorageMultisampleANGLE", NULL } },
|
|
{ NULL, { NULL } },
|
|
};
|
|
if (!LoadSymbols(&auxSymbols[0], trygl, prefix)) {
|
|
NS_RUNTIMEABORT("GL supports framebuffer_multisample without supplying glRenderbufferStorageMultisample");
|
|
mInitialized = false;
|
|
}
|
|
}
|
|
|
|
// Load developer symbols, don't fail if we can't find them.
|
|
SymLoadStruct auxSymbols[] = {
|
|
{ (PRFuncPtr*) &mSymbols.fGetTexImage, { "GetTexImage", NULL } },
|
|
{ (PRFuncPtr*) &mSymbols.fGetTexLevelParameteriv, { "GetTexLevelParameteriv", NULL } },
|
|
{ NULL, { NULL } },
|
|
};
|
|
LoadSymbols(&auxSymbols[0], trygl, prefix);
|
|
}
|
|
|
|
if (mInitialized) {
|
|
GLint v[4];
|
|
|
|
fGetIntegerv(LOCAL_GL_SCISSOR_BOX, v);
|
|
mScissorStack.AppendElement(nsIntRect(v[0], v[1], v[2], v[3]));
|
|
|
|
fGetIntegerv(LOCAL_GL_VIEWPORT, v);
|
|
mViewportStack.AppendElement(nsIntRect(v[0], v[1], v[2], v[3]));
|
|
|
|
fGetIntegerv(LOCAL_GL_MAX_TEXTURE_SIZE, &mMaxTextureSize);
|
|
fGetIntegerv(LOCAL_GL_MAX_RENDERBUFFER_SIZE, &mMaxRenderbufferSize);
|
|
mMaxTextureImageSize = mMaxTextureSize;
|
|
|
|
mSupport_ES_ReadPixels_BGRA_UByte = false;
|
|
if (mIsGLES2) {
|
|
if (IsExtensionSupported(gl::GLContext::EXT_bgra)) {
|
|
mSupport_ES_ReadPixels_BGRA_UByte = true;
|
|
} else if (IsExtensionSupported(gl::GLContext::EXT_read_format_bgra) ||
|
|
IsExtensionSupported(gl::GLContext::IMG_read_format)) {
|
|
GLint auxFormat = 0;
|
|
GLint auxType = 0;
|
|
|
|
fGetIntegerv(LOCAL_GL_IMPLEMENTATION_COLOR_READ_FORMAT, &auxFormat);
|
|
fGetIntegerv(LOCAL_GL_IMPLEMENTATION_COLOR_READ_TYPE, &auxType);
|
|
|
|
if (auxFormat == LOCAL_GL_BGRA && auxType == LOCAL_GL_UNSIGNED_BYTE)
|
|
mSupport_ES_ReadPixels_BGRA_UByte = true;
|
|
}
|
|
}
|
|
|
|
UpdateActualFormat();
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
if (PR_GetEnv("MOZ_GL_DEBUG"))
|
|
sDebugMode |= DebugEnabled;
|
|
|
|
// enables extra verbose output, informing of the start and finish of every GL call.
|
|
// useful e.g. to record information to investigate graphics system crashes/lockups
|
|
if (PR_GetEnv("MOZ_GL_DEBUG_VERBOSE"))
|
|
sDebugMode |= DebugTrace;
|
|
|
|
// aborts on GL error. Can be useful to debug quicker code that is known not to generate any GL error in principle.
|
|
if (PR_GetEnv("MOZ_GL_DEBUG_ABORT_ON_ERROR"))
|
|
sDebugMode |= DebugAbortOnError;
|
|
#endif
|
|
|
|
if (mInitialized)
|
|
reporter.SetSuccessful();
|
|
else {
|
|
// if initialization fails, ensure all symbols are zero, to avoid hard-to-understand bugs
|
|
mSymbols.Zero();
|
|
}
|
|
|
|
return mInitialized;
|
|
}
|
|
|
|
void
|
|
GLContext::InitExtensions()
|
|
{
|
|
MakeCurrent();
|
|
const GLubyte *extensions = fGetString(LOCAL_GL_EXTENSIONS);
|
|
if (!extensions)
|
|
return;
|
|
|
|
char *exts = strdup((char *)extensions);
|
|
|
|
#ifdef DEBUG
|
|
static bool once = false;
|
|
#else
|
|
const bool once = true;
|
|
#endif
|
|
|
|
if (!once) {
|
|
printf_stderr("GL extensions: %s\n", exts);
|
|
}
|
|
|
|
char *s = exts;
|
|
bool done = false;
|
|
while (!done) {
|
|
char *space = strchr(s, ' ');
|
|
if (space) {
|
|
*space = '\0';
|
|
} else {
|
|
done = true;
|
|
}
|
|
|
|
for (int i = 0; sExtensionNames[i]; ++i) {
|
|
if (strcmp(s, sExtensionNames[i]) == 0) {
|
|
if (!once) {
|
|
printf_stderr("Found extension %s\n", s);
|
|
}
|
|
mAvailableExtensions[i] = 1;
|
|
}
|
|
}
|
|
|
|
s = space+1;
|
|
}
|
|
|
|
free(exts);
|
|
|
|
#ifdef DEBUG
|
|
once = true;
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
GLContext::IsExtensionSupported(const char *extension)
|
|
{
|
|
return ListHasExtension(fGetString(LOCAL_GL_EXTENSIONS), extension);
|
|
}
|
|
|
|
bool
|
|
GLContext::CanUploadSubTextures()
|
|
{
|
|
// There are certain GPUs that we don't want to use glTexSubImage2D on
|
|
// because that function can be very slow and/or buggy
|
|
|
|
return !(Renderer() == RendererAdreno200);
|
|
}
|
|
|
|
// Common code for checking for both GL extensions and GLX extensions.
|
|
bool
|
|
GLContext::ListHasExtension(const GLubyte *extensions, const char *extension)
|
|
{
|
|
// fix bug 612572 - we were crashing as we were calling this function with extensions==null
|
|
if (extensions == nsnull || extension == nsnull)
|
|
return false;
|
|
|
|
const GLubyte *start;
|
|
GLubyte *where, *terminator;
|
|
|
|
/* Extension names should not have spaces. */
|
|
where = (GLubyte *) strchr(extension, ' ');
|
|
if (where || *extension == '\0')
|
|
return false;
|
|
|
|
/*
|
|
* It takes a bit of care to be fool-proof about parsing the
|
|
* OpenGL extensions string. Don't be fooled by sub-strings,
|
|
* etc.
|
|
*/
|
|
start = extensions;
|
|
for (;;) {
|
|
where = (GLubyte *) strstr((const char *) start, extension);
|
|
if (!where) {
|
|
break;
|
|
}
|
|
terminator = where + strlen(extension);
|
|
if (where == start || *(where - 1) == ' ') {
|
|
if (*terminator == ' ' || *terminator == '\0') {
|
|
return true;
|
|
}
|
|
}
|
|
start = terminator;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
already_AddRefed<TextureImage>
|
|
GLContext::CreateTextureImage(const nsIntSize& aSize,
|
|
TextureImage::ContentType aContentType,
|
|
GLenum aWrapMode,
|
|
bool aUseNearestFilter)
|
|
{
|
|
MakeCurrent();
|
|
|
|
GLuint texture;
|
|
fGenTextures(1, &texture);
|
|
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, texture);
|
|
|
|
GLint texfilter = aUseNearestFilter ? LOCAL_GL_NEAREST : LOCAL_GL_LINEAR;
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, texfilter);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, texfilter);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, aWrapMode);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, aWrapMode);
|
|
|
|
return CreateBasicTextureImage(texture, aSize, aWrapMode, aContentType, this);
|
|
}
|
|
|
|
void GLContext::ApplyFilterToBoundTexture(gfxPattern::GraphicsFilter aFilter)
|
|
{
|
|
if (aFilter == gfxPattern::FILTER_NEAREST) {
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_NEAREST);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_NEAREST);
|
|
} else {
|
|
if (aFilter != gfxPattern::FILTER_GOOD) {
|
|
NS_WARNING("Unsupported filter type!");
|
|
}
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
|
|
}
|
|
}
|
|
|
|
BasicTextureImage::~BasicTextureImage()
|
|
{
|
|
GLContext *ctx = mGLContext;
|
|
if (ctx->IsDestroyed() || !NS_IsMainThread()) {
|
|
ctx = ctx->GetSharedContext();
|
|
}
|
|
|
|
// If we have a context, then we need to delete the texture;
|
|
// if we don't have a context (either real or shared),
|
|
// then they went away when the contex was deleted, because it
|
|
// was the only one that had access to it.
|
|
if (ctx && !ctx->IsDestroyed()) {
|
|
mGLContext->MakeCurrent();
|
|
mGLContext->fDeleteTextures(1, &mTexture);
|
|
}
|
|
}
|
|
|
|
gfxASurface*
|
|
BasicTextureImage::BeginUpdate(nsIntRegion& aRegion)
|
|
{
|
|
NS_ASSERTION(!mUpdateSurface, "BeginUpdate() without EndUpdate()?");
|
|
|
|
// determine the region the client will need to repaint
|
|
if (mGLContext->CanUploadSubTextures()) {
|
|
GetUpdateRegion(aRegion);
|
|
} else {
|
|
aRegion = nsIntRect(nsIntPoint(0, 0), mSize);
|
|
}
|
|
|
|
mUpdateRegion = aRegion;
|
|
|
|
nsIntRect rgnSize = mUpdateRegion.GetBounds();
|
|
if (!nsIntRect(nsIntPoint(0, 0), mSize).Contains(rgnSize)) {
|
|
NS_ERROR("update outside of image");
|
|
return NULL;
|
|
}
|
|
|
|
ImageFormat format =
|
|
(GetContentType() == gfxASurface::CONTENT_COLOR) ?
|
|
gfxASurface::ImageFormatRGB24 : gfxASurface::ImageFormatARGB32;
|
|
mUpdateSurface =
|
|
GetSurfaceForUpdate(gfxIntSize(rgnSize.width, rgnSize.height), format);
|
|
|
|
if (!mUpdateSurface || mUpdateSurface->CairoStatus()) {
|
|
mUpdateSurface = NULL;
|
|
return NULL;
|
|
}
|
|
|
|
mUpdateSurface->SetDeviceOffset(gfxPoint(-rgnSize.x, -rgnSize.y));
|
|
|
|
return mUpdateSurface;
|
|
}
|
|
|
|
void
|
|
BasicTextureImage::GetUpdateRegion(nsIntRegion& aForRegion)
|
|
{
|
|
// if the texture hasn't been initialized yet, or something important
|
|
// changed, we need to recreate our backing surface and force the
|
|
// client to paint everything
|
|
if (mTextureState != Valid)
|
|
aForRegion = nsIntRect(nsIntPoint(0, 0), mSize);
|
|
}
|
|
|
|
void
|
|
BasicTextureImage::EndUpdate()
|
|
{
|
|
NS_ASSERTION(!!mUpdateSurface, "EndUpdate() without BeginUpdate()?");
|
|
|
|
// FIXME: this is the slow boat. Make me fast (with GLXPixmap?).
|
|
|
|
// Undo the device offset that BeginUpdate set; doesn't much matter for us here,
|
|
// but important if we ever do anything directly with the surface.
|
|
mUpdateSurface->SetDeviceOffset(gfxPoint(0, 0));
|
|
|
|
bool relative = FinishedSurfaceUpdate();
|
|
|
|
mShaderType =
|
|
mGLContext->UploadSurfaceToTexture(mUpdateSurface,
|
|
mUpdateRegion,
|
|
mTexture,
|
|
mTextureState == Created,
|
|
mUpdateOffset,
|
|
relative);
|
|
FinishedSurfaceUpload();
|
|
|
|
mUpdateSurface = nsnull;
|
|
mTextureState = Valid;
|
|
}
|
|
|
|
void
|
|
BasicTextureImage::BindTexture(GLenum aTextureUnit)
|
|
{
|
|
mGLContext->fActiveTexture(aTextureUnit);
|
|
mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
|
|
mGLContext->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
}
|
|
|
|
void
|
|
BasicTextureImage::ApplyFilter()
|
|
{
|
|
mGLContext->ApplyFilterToBoundTexture(mFilter);
|
|
}
|
|
|
|
|
|
already_AddRefed<gfxASurface>
|
|
BasicTextureImage::GetSurfaceForUpdate(const gfxIntSize& aSize, ImageFormat aFmt)
|
|
{
|
|
return gfxPlatform::GetPlatform()->
|
|
CreateOffscreenSurface(aSize, gfxASurface::ContentFromFormat(aFmt));
|
|
}
|
|
|
|
bool
|
|
BasicTextureImage::FinishedSurfaceUpdate()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
void
|
|
BasicTextureImage::FinishedSurfaceUpload()
|
|
{
|
|
}
|
|
|
|
bool
|
|
BasicTextureImage::DirectUpdate(gfxASurface* aSurf, const nsIntRegion& aRegion, const nsIntPoint& aFrom /* = nsIntPoint(0, 0) */)
|
|
{
|
|
nsIntRect bounds = aRegion.GetBounds();
|
|
nsIntRegion region;
|
|
if (mTextureState != Valid) {
|
|
bounds = nsIntRect(0, 0, mSize.width, mSize.height);
|
|
region = nsIntRegion(bounds);
|
|
} else {
|
|
region = aRegion;
|
|
}
|
|
|
|
mShaderType =
|
|
mGLContext->UploadSurfaceToTexture(aSurf,
|
|
region,
|
|
mTexture,
|
|
mTextureState == Created,
|
|
bounds.TopLeft() + aFrom,
|
|
false);
|
|
mTextureState = Valid;
|
|
return true;
|
|
}
|
|
|
|
void
|
|
BasicTextureImage::Resize(const nsIntSize& aSize)
|
|
{
|
|
NS_ASSERTION(!mUpdateSurface, "Resize() while in update?");
|
|
|
|
mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
|
|
|
|
mGLContext->fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
0,
|
|
LOCAL_GL_RGBA,
|
|
aSize.width,
|
|
aSize.height,
|
|
0,
|
|
LOCAL_GL_RGBA,
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
NULL);
|
|
|
|
mTextureState = Allocated;
|
|
mSize = aSize;
|
|
}
|
|
|
|
TiledTextureImage::TiledTextureImage(GLContext* aGL,
|
|
nsIntSize aSize,
|
|
TextureImage::ContentType aContentType,
|
|
bool aUseNearestFilter)
|
|
: TextureImage(aSize, LOCAL_GL_CLAMP_TO_EDGE, aContentType, aUseNearestFilter)
|
|
, mCurrentImage(0)
|
|
, mInUpdate(false)
|
|
, mGL(aGL)
|
|
, mUseNearestFilter(aUseNearestFilter)
|
|
, mTextureState(Created)
|
|
{
|
|
mTileSize = mGL->GetMaxTextureSize();
|
|
if (aSize != nsIntSize(0,0)) {
|
|
Resize(aSize);
|
|
}
|
|
}
|
|
|
|
TiledTextureImage::~TiledTextureImage()
|
|
{
|
|
}
|
|
|
|
bool
|
|
TiledTextureImage::DirectUpdate(gfxASurface* aSurf, const nsIntRegion& aRegion, const nsIntPoint& aFrom /* = nsIntPoint(0, 0) */)
|
|
{
|
|
nsIntRegion region;
|
|
|
|
if (mTextureState != Valid) {
|
|
nsIntRect bounds = nsIntRect(0, 0, mSize.width, mSize.height);
|
|
region = nsIntRegion(bounds);
|
|
} else {
|
|
region = aRegion;
|
|
}
|
|
|
|
bool result = true;
|
|
for (unsigned i = 0; i < mImages.Length(); i++) {
|
|
int xPos = (i % mColumns) * mTileSize;
|
|
int yPos = (i / mColumns) * mTileSize;
|
|
nsIntRegion tileRegion;
|
|
nsIntRect tileRect = nsIntRect(nsIntPoint(xPos, yPos), mImages[i]->GetSize());
|
|
tileRegion.And(region, tileRect); // intersect with tile
|
|
if (tileRegion.IsEmpty())
|
|
continue;
|
|
if (mGL->CanUploadSubTextures()) {
|
|
tileRegion.MoveBy(-xPos, -yPos); // translate into tile local space
|
|
} else {
|
|
// If sub-textures are unsupported, expand to tile boundaries
|
|
tileRect.x = tileRect.y = 0;
|
|
tileRegion = nsIntRegion(tileRect);
|
|
}
|
|
result &= mImages[i]->DirectUpdate(aSurf,
|
|
tileRegion,
|
|
aFrom + nsIntPoint(xPos, yPos));
|
|
}
|
|
mShaderType = mImages[0]->GetShaderProgramType();
|
|
mTextureState = Valid;
|
|
return result;
|
|
}
|
|
|
|
void
|
|
TiledTextureImage::GetUpdateRegion(nsIntRegion& aForRegion)
|
|
{
|
|
if (mTextureState != Valid) {
|
|
// if the texture hasn't been initialized yet, or something important
|
|
// changed, we need to recreate our backing surface and force the
|
|
// client to paint everything
|
|
aForRegion = nsIntRect(nsIntPoint(0, 0), mSize);
|
|
return;
|
|
}
|
|
|
|
nsIntRegion newRegion;
|
|
|
|
// We need to query each texture with the region it will be drawing and
|
|
// set aForRegion to be the combination of all of these regions
|
|
for (unsigned i = 0; i < mImages.Length(); i++) {
|
|
int xPos = (i % mColumns) * mTileSize;
|
|
int yPos = (i / mColumns) * mTileSize;
|
|
nsIntRect imageRect = nsIntRect(nsIntRect(nsIntPoint(xPos,yPos), mImages[i]->GetSize()));
|
|
|
|
if (aForRegion.Intersects(imageRect)) {
|
|
// Make a copy of the region
|
|
nsIntRegion subRegion;
|
|
subRegion.And(aForRegion, imageRect);
|
|
// Translate it into tile-space
|
|
subRegion.MoveBy(-xPos, -yPos);
|
|
// Query region
|
|
mImages[i]->GetUpdateRegion(subRegion);
|
|
// Translate back
|
|
subRegion.MoveBy(xPos, yPos);
|
|
// Add to the accumulated region
|
|
newRegion.Or(newRegion, subRegion);
|
|
}
|
|
}
|
|
|
|
aForRegion = newRegion;
|
|
}
|
|
|
|
gfxASurface*
|
|
TiledTextureImage::BeginUpdate(nsIntRegion& aRegion)
|
|
{
|
|
NS_ASSERTION(!mInUpdate, "nested update");
|
|
mInUpdate = true;
|
|
|
|
// Note, we don't call GetUpdateRegion here as if the updated region is
|
|
// fully contained in a single tile, we get to avoid iterating through
|
|
// the tiles again (and a little copying).
|
|
if (mTextureState != Valid)
|
|
{
|
|
// if the texture hasn't been initialized yet, or something important
|
|
// changed, we need to recreate our backing surface and force the
|
|
// client to paint everything
|
|
aRegion = nsIntRect(nsIntPoint(0, 0), mSize);
|
|
}
|
|
|
|
nsIntRect bounds = aRegion.GetBounds();
|
|
|
|
for (unsigned i = 0; i < mImages.Length(); i++) {
|
|
int xPos = (i % mColumns) * mTileSize;
|
|
int yPos = (i / mColumns) * mTileSize;
|
|
nsIntRegion imageRegion = nsIntRegion(nsIntRect(nsIntPoint(xPos,yPos), mImages[i]->GetSize()));
|
|
|
|
// a single Image can handle this update request
|
|
if (imageRegion.Contains(aRegion)) {
|
|
// adjust for tile offset
|
|
aRegion.MoveBy(-xPos, -yPos);
|
|
// forward the actual call
|
|
nsRefPtr<gfxASurface> surface = mImages[i]->BeginUpdate(aRegion);
|
|
// caller expects container space
|
|
aRegion.MoveBy(xPos, yPos);
|
|
// Correct the device offset
|
|
gfxPoint offset = surface->GetDeviceOffset();
|
|
surface->SetDeviceOffset(gfxPoint(offset.x - xPos,
|
|
offset.y - yPos));
|
|
// we don't have a temp surface
|
|
mUpdateSurface = nsnull;
|
|
// remember which image to EndUpdate
|
|
mCurrentImage = i;
|
|
return surface.get();
|
|
}
|
|
}
|
|
|
|
// Get the real updated region, taking into account the capabilities of
|
|
// each TextureImage tile
|
|
GetUpdateRegion(aRegion);
|
|
mUpdateRegion = aRegion;
|
|
bounds = aRegion.GetBounds();
|
|
|
|
// update covers multiple Images - create a temp surface to paint in
|
|
gfxASurface::gfxImageFormat format =
|
|
(GetContentType() == gfxASurface::CONTENT_COLOR) ?
|
|
gfxASurface::ImageFormatRGB24 : gfxASurface::ImageFormatARGB32;
|
|
mUpdateSurface = gfxPlatform::GetPlatform()->
|
|
CreateOffscreenSurface(gfxIntSize(bounds.width, bounds.height), gfxASurface::ContentFromFormat(format));
|
|
mUpdateSurface->SetDeviceOffset(gfxPoint(-bounds.x, -bounds.y));
|
|
|
|
return mUpdateSurface;
|
|
}
|
|
|
|
void
|
|
TiledTextureImage::EndUpdate()
|
|
{
|
|
NS_ASSERTION(mInUpdate, "EndUpdate not in update");
|
|
if (!mUpdateSurface) { // update was to a single TextureImage
|
|
mImages[mCurrentImage]->EndUpdate();
|
|
mInUpdate = false;
|
|
mTextureState = Valid;
|
|
mShaderType = mImages[mCurrentImage]->GetShaderProgramType();
|
|
return;
|
|
}
|
|
|
|
// upload tiles from temp surface
|
|
for (unsigned i = 0; i < mImages.Length(); i++) {
|
|
int xPos = (i % mColumns) * mTileSize;
|
|
int yPos = (i / mColumns) * mTileSize;
|
|
nsIntRect imageRect = nsIntRect(nsIntPoint(xPos,yPos), mImages[i]->GetSize());
|
|
|
|
nsIntRegion subregion;
|
|
subregion.And(mUpdateRegion, imageRect);
|
|
if (subregion.IsEmpty())
|
|
continue;
|
|
subregion.MoveBy(-xPos, -yPos); // Tile-local space
|
|
// copy tile from temp surface
|
|
gfxASurface* surf = mImages[i]->BeginUpdate(subregion);
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(surf);
|
|
gfxUtils::ClipToRegion(ctx, subregion);
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
ctx->SetSource(mUpdateSurface, gfxPoint(-xPos, -yPos));
|
|
ctx->Paint();
|
|
mImages[i]->EndUpdate();
|
|
}
|
|
|
|
mUpdateSurface = nsnull;
|
|
mInUpdate = false;
|
|
mShaderType = mImages[0]->GetShaderProgramType();
|
|
mTextureState = Valid;
|
|
}
|
|
|
|
void TiledTextureImage::BeginTileIteration()
|
|
{
|
|
mCurrentImage = 0;
|
|
}
|
|
|
|
bool TiledTextureImage::NextTile()
|
|
{
|
|
if (mCurrentImage + 1 < mImages.Length()) {
|
|
mCurrentImage++;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsIntRect TiledTextureImage::GetTileRect()
|
|
{
|
|
nsIntRect rect = mImages[mCurrentImage]->GetTileRect();
|
|
unsigned int xPos = (mCurrentImage % mColumns) * mTileSize;
|
|
unsigned int yPos = (mCurrentImage / mColumns) * mTileSize;
|
|
rect.MoveBy(xPos, yPos);
|
|
return rect;
|
|
}
|
|
|
|
void
|
|
TiledTextureImage::BindTexture(GLenum aTextureUnit)
|
|
{
|
|
mImages[mCurrentImage]->BindTexture(aTextureUnit);
|
|
}
|
|
|
|
void
|
|
TiledTextureImage::ApplyFilter()
|
|
{
|
|
mGL->ApplyFilterToBoundTexture(mFilter);
|
|
}
|
|
|
|
/*
|
|
* simple resize, just discards everything. we can be more clever just
|
|
* adding or discarding tiles, but do we want this?
|
|
*/
|
|
void TiledTextureImage::Resize(const nsIntSize& aSize)
|
|
{
|
|
if (mSize == aSize && mTextureState != Created) {
|
|
return;
|
|
}
|
|
mSize = aSize;
|
|
mImages.Clear();
|
|
// calculate rows and columns, rounding up
|
|
mColumns = (aSize.width + mTileSize - 1) / mTileSize;
|
|
mRows = (aSize.height + mTileSize - 1) / mTileSize;
|
|
|
|
for (unsigned int row = 0; row < mRows; row++) {
|
|
for (unsigned int col = 0; col < mColumns; col++) {
|
|
nsIntSize size( // use tilesize first, then the remainder
|
|
(col+1) * mTileSize > (unsigned int)aSize.width ? aSize.width % mTileSize : mTileSize,
|
|
(row+1) * mTileSize > (unsigned int)aSize.height ? aSize.height % mTileSize : mTileSize);
|
|
nsRefPtr<TextureImage> teximg =
|
|
mGL->TileGenFunc(size, mContentType, mUseNearestFilter);
|
|
mImages.AppendElement(teximg.forget());
|
|
}
|
|
}
|
|
mTextureState = Allocated;
|
|
}
|
|
|
|
PRUint32 TiledTextureImage::GetTileCount()
|
|
{
|
|
return mImages.Length();
|
|
}
|
|
|
|
bool
|
|
GLContext::ResizeOffscreenFBO(const gfxIntSize& aSize, const bool aUseReadFBO, const bool aDisableAA)
|
|
{
|
|
if (!IsOffscreenSizeAllowed(aSize))
|
|
return false;
|
|
|
|
MakeCurrent();
|
|
|
|
const bool alpha = mCreationFormat.alpha > 0;
|
|
const int depth = mCreationFormat.depth;
|
|
const int stencil = mCreationFormat.stencil;
|
|
int samples = mCreationFormat.samples;
|
|
|
|
GLint maxSamples = 0;
|
|
if (SupportsFramebufferMultisample() && !aDisableAA)
|
|
fGetIntegerv(LOCAL_GL_MAX_SAMPLES, &maxSamples);
|
|
|
|
samples = NS_MIN(samples, maxSamples);
|
|
|
|
const bool useDrawMSFBO = (samples > 0);
|
|
|
|
if (!useDrawMSFBO && !aUseReadFBO) {
|
|
// Early out, as no FBO resize work is necessary.
|
|
return true;
|
|
}
|
|
|
|
GLuint curBoundFramebufferDraw = 0;
|
|
GLuint curBoundFramebufferRead = 0;
|
|
GLuint curBoundRenderbuffer = 0;
|
|
GLuint curBoundTexture = 0;
|
|
|
|
GLint viewport[4];
|
|
|
|
const bool useDepthStencil =
|
|
!mIsGLES2 || IsExtensionSupported(OES_packed_depth_stencil);
|
|
|
|
// save a few things for later restoring
|
|
curBoundFramebufferDraw = GetBoundDrawFBO();
|
|
curBoundFramebufferRead = GetBoundReadFBO();
|
|
fGetIntegerv(LOCAL_GL_RENDERBUFFER_BINDING, (GLint*) &curBoundRenderbuffer);
|
|
fGetIntegerv(LOCAL_GL_TEXTURE_BINDING_2D, (GLint*) &curBoundTexture);
|
|
fGetIntegerv(LOCAL_GL_VIEWPORT, viewport);
|
|
|
|
// the context format of what we're defining
|
|
// This becomes mActualFormat on success
|
|
ContextFormat cf(mCreationFormat);
|
|
|
|
// Create everything we need for the resize, so if it fails, we haven't broken anything
|
|
// If successful, these new resized objects will replace their associated member vars in GLContext
|
|
GLuint newOffscreenDrawFBO = 0;
|
|
GLuint newOffscreenReadFBO = 0;
|
|
GLuint newOffscreenTexture = 0;
|
|
GLuint newOffscreenColorRB = 0;
|
|
GLuint newOffscreenDepthRB = 0;
|
|
GLuint newOffscreenStencilRB = 0;
|
|
|
|
// Create the buffers and texture
|
|
if (aUseReadFBO) {
|
|
fGenFramebuffers(1, &newOffscreenReadFBO);
|
|
fGenTextures(1, &newOffscreenTexture);
|
|
}
|
|
|
|
if (useDrawMSFBO) {
|
|
fGenFramebuffers(1, &newOffscreenDrawFBO);
|
|
fGenRenderbuffers(1, &newOffscreenColorRB);
|
|
} else {
|
|
newOffscreenDrawFBO = newOffscreenReadFBO;
|
|
}
|
|
|
|
if (depth && stencil && useDepthStencil) {
|
|
fGenRenderbuffers(1, &newOffscreenDepthRB);
|
|
} else {
|
|
if (depth) {
|
|
fGenRenderbuffers(1, &newOffscreenDepthRB);
|
|
}
|
|
|
|
if (stencil) {
|
|
fGenRenderbuffers(1, &newOffscreenStencilRB);
|
|
}
|
|
}
|
|
|
|
// Allocate texture
|
|
if (aUseReadFBO) {
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, newOffscreenTexture);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
|
|
|
|
if (alpha) {
|
|
fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
0,
|
|
LOCAL_GL_RGBA,
|
|
aSize.width, aSize.height,
|
|
0,
|
|
LOCAL_GL_RGBA,
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
NULL);
|
|
|
|
cf.red = cf.green = cf.blue = cf.alpha = 8;
|
|
} else {
|
|
fTexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
0,
|
|
LOCAL_GL_RGB,
|
|
aSize.width, aSize.height,
|
|
0,
|
|
LOCAL_GL_RGB,
|
|
#ifdef XP_WIN
|
|
LOCAL_GL_UNSIGNED_BYTE,
|
|
#else
|
|
mIsGLES2 ? LOCAL_GL_UNSIGNED_SHORT_5_6_5
|
|
: LOCAL_GL_UNSIGNED_BYTE,
|
|
#endif
|
|
NULL);
|
|
|
|
#ifdef XP_WIN
|
|
cf.red = cf.green = cf.blue = 8;
|
|
#else
|
|
cf.red = 5;
|
|
cf.green = 6;
|
|
cf.blue = 5;
|
|
#endif
|
|
cf.alpha = 0;
|
|
}
|
|
}
|
|
cf.samples = samples;
|
|
|
|
// Allocate color buffer
|
|
if (useDrawMSFBO) {
|
|
GLenum colorFormat;
|
|
if (!mIsGLES2 || IsExtensionSupported(OES_rgb8_rgba8))
|
|
colorFormat = alpha ? LOCAL_GL_RGBA8 : LOCAL_GL_RGB8;
|
|
else
|
|
colorFormat = alpha ? LOCAL_GL_RGBA4 : LOCAL_GL_RGB565;
|
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, newOffscreenColorRB);
|
|
fRenderbufferStorageMultisample(LOCAL_GL_RENDERBUFFER,
|
|
samples,
|
|
colorFormat,
|
|
aSize.width, aSize.height);
|
|
}
|
|
|
|
// Allocate depth and stencil buffers
|
|
if (depth && stencil && useDepthStencil) {
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, newOffscreenDepthRB);
|
|
if (useDrawMSFBO) {
|
|
fRenderbufferStorageMultisample(LOCAL_GL_RENDERBUFFER,
|
|
samples,
|
|
LOCAL_GL_DEPTH24_STENCIL8,
|
|
aSize.width, aSize.height);
|
|
} else {
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER,
|
|
LOCAL_GL_DEPTH24_STENCIL8,
|
|
aSize.width, aSize.height);
|
|
}
|
|
cf.depth = 24;
|
|
cf.stencil = 8;
|
|
} else {
|
|
if (depth) {
|
|
GLenum depthType;
|
|
if (mIsGLES2) {
|
|
if (IsExtensionSupported(OES_depth32)) {
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT32;
|
|
cf.depth = 32;
|
|
} else if (IsExtensionSupported(OES_depth24)) {
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT24;
|
|
cf.depth = 24;
|
|
} else {
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT16;
|
|
cf.depth = 16;
|
|
}
|
|
} else {
|
|
depthType = LOCAL_GL_DEPTH_COMPONENT24;
|
|
cf.depth = 24;
|
|
}
|
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, newOffscreenDepthRB);
|
|
if (useDrawMSFBO) {
|
|
fRenderbufferStorageMultisample(LOCAL_GL_RENDERBUFFER,
|
|
samples,
|
|
depthType,
|
|
aSize.width, aSize.height);
|
|
} else {
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER,
|
|
depthType,
|
|
aSize.width, aSize.height);
|
|
}
|
|
}
|
|
|
|
if (stencil) {
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, newOffscreenStencilRB);
|
|
if (useDrawMSFBO) {
|
|
fRenderbufferStorageMultisample(LOCAL_GL_RENDERBUFFER,
|
|
samples,
|
|
LOCAL_GL_STENCIL_INDEX8,
|
|
aSize.width, aSize.height);
|
|
} else {
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER,
|
|
LOCAL_GL_STENCIL_INDEX8,
|
|
aSize.width, aSize.height);
|
|
}
|
|
cf.stencil = 8;
|
|
}
|
|
}
|
|
|
|
// Now assemble the FBO
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, newOffscreenDrawFBO); // If we're not using a separate draw FBO, this will be the read FBO
|
|
if (useDrawMSFBO) {
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_RENDERBUFFER,
|
|
newOffscreenColorRB);
|
|
}
|
|
|
|
if (depth && stencil && useDepthStencil) {
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
LOCAL_GL_DEPTH_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER,
|
|
newOffscreenDepthRB);
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
LOCAL_GL_STENCIL_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER,
|
|
newOffscreenDepthRB);
|
|
} else {
|
|
if (depth) {
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
LOCAL_GL_DEPTH_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER,
|
|
newOffscreenDepthRB);
|
|
}
|
|
|
|
if (stencil) {
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
|
|
LOCAL_GL_STENCIL_ATTACHMENT,
|
|
LOCAL_GL_RENDERBUFFER,
|
|
newOffscreenStencilRB);
|
|
}
|
|
}
|
|
|
|
if (aUseReadFBO) {
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, newOffscreenReadFBO);
|
|
fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER,
|
|
LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_TEXTURE_2D,
|
|
newOffscreenTexture,
|
|
0);
|
|
}
|
|
|
|
// We should be all resized. Check for framebuffer completeness.
|
|
GLenum status;
|
|
bool framebuffersComplete = true;
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, newOffscreenDrawFBO);
|
|
status = fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
|
|
if (status != LOCAL_GL_FRAMEBUFFER_COMPLETE) {
|
|
NS_WARNING("DrawFBO: Incomplete");
|
|
#ifdef DEBUG
|
|
printf_stderr("Framebuffer status: %X\n", status);
|
|
#endif
|
|
framebuffersComplete = false;
|
|
}
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, newOffscreenReadFBO);
|
|
status = fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
|
|
if (status != LOCAL_GL_FRAMEBUFFER_COMPLETE) {
|
|
NS_WARNING("ReadFBO: Incomplete");
|
|
#ifdef DEBUG
|
|
printf_stderr("Framebuffer status: %X\n", status);
|
|
#endif
|
|
framebuffersComplete = false;
|
|
}
|
|
|
|
if (!framebuffersComplete) {
|
|
NS_WARNING("Error resizing offscreen framebuffer -- framebuffer(s) not complete");
|
|
|
|
// Clean up the mess
|
|
fDeleteFramebuffers(1, &newOffscreenDrawFBO);
|
|
fDeleteFramebuffers(1, &newOffscreenReadFBO);
|
|
fDeleteTextures(1, &newOffscreenTexture);
|
|
fDeleteRenderbuffers(1, &newOffscreenColorRB);
|
|
fDeleteRenderbuffers(1, &newOffscreenDepthRB);
|
|
fDeleteRenderbuffers(1, &newOffscreenStencilRB);
|
|
|
|
BindReadFBO(curBoundFramebufferRead);
|
|
BindDrawFBO(curBoundFramebufferDraw);
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, curBoundTexture);
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, curBoundRenderbuffer);
|
|
fViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
|
|
|
|
return false;
|
|
}
|
|
|
|
// Success, so delete the old and busted
|
|
fDeleteFramebuffers(1, &mOffscreenDrawFBO);
|
|
fDeleteFramebuffers(1, &mOffscreenReadFBO);
|
|
fDeleteTextures(1, &mOffscreenTexture);
|
|
fDeleteRenderbuffers(1, &mOffscreenColorRB);
|
|
fDeleteRenderbuffers(1, &mOffscreenDepthRB);
|
|
fDeleteRenderbuffers(1, &mOffscreenStencilRB);
|
|
|
|
// Update currently bound references if we're changing what they were point to
|
|
// This way we don't rebind to old buffers when we're done here
|
|
if (curBoundFramebufferDraw == mOffscreenDrawFBO)
|
|
curBoundFramebufferDraw = newOffscreenDrawFBO;
|
|
if (curBoundFramebufferRead == mOffscreenReadFBO)
|
|
curBoundFramebufferRead = newOffscreenReadFBO;
|
|
if (curBoundTexture == mOffscreenTexture)
|
|
curBoundTexture = newOffscreenTexture;
|
|
if (curBoundRenderbuffer == mOffscreenColorRB)
|
|
curBoundRenderbuffer = newOffscreenColorRB;
|
|
else if (curBoundRenderbuffer == mOffscreenDepthRB)
|
|
curBoundRenderbuffer = newOffscreenDepthRB;
|
|
else if (curBoundRenderbuffer == mOffscreenStencilRB)
|
|
curBoundRenderbuffer = newOffscreenStencilRB;
|
|
|
|
// Replace with the new hotness
|
|
mOffscreenDrawFBO = newOffscreenDrawFBO;
|
|
mOffscreenReadFBO = newOffscreenReadFBO;
|
|
mOffscreenTexture = newOffscreenTexture;
|
|
mOffscreenColorRB = newOffscreenColorRB;
|
|
mOffscreenDepthRB = newOffscreenDepthRB;
|
|
mOffscreenStencilRB = newOffscreenStencilRB;
|
|
|
|
mOffscreenSize = aSize;
|
|
mOffscreenActualSize = aSize;
|
|
|
|
mActualFormat = cf;
|
|
|
|
#ifdef DEBUG
|
|
if (DebugMode()) {
|
|
printf_stderr("Resized %dx%d offscreen FBO: r: %d g: %d b: %d a: %d depth: %d stencil: %d samples: %d\n",
|
|
mOffscreenActualSize.width, mOffscreenActualSize.height,
|
|
mActualFormat.red, mActualFormat.green, mActualFormat.blue, mActualFormat.alpha,
|
|
mActualFormat.depth, mActualFormat.stencil, mActualFormat.samples);
|
|
}
|
|
#endif
|
|
|
|
// Make sure we know that the buffers are new and thus dirty:
|
|
ForceDirtyFBOs();
|
|
|
|
// We're good, and the framebuffer is already attached.
|
|
// Now restore the GL state back to what it was before the resize took place.
|
|
// If the user was using fb 0, this will bind the offscreen framebuffer we
|
|
// just created.
|
|
BindDrawFBO(curBoundFramebufferDraw);
|
|
BindReadFBO(curBoundFramebufferRead);
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, curBoundTexture);
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, curBoundRenderbuffer);
|
|
fViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
GLContext::DeleteOffscreenFBO()
|
|
{
|
|
fDeleteFramebuffers(1, &mOffscreenDrawFBO);
|
|
fDeleteFramebuffers(1, &mOffscreenReadFBO);
|
|
fDeleteTextures(1, &mOffscreenTexture);
|
|
fDeleteRenderbuffers(1, &mOffscreenColorRB);
|
|
fDeleteRenderbuffers(1, &mOffscreenDepthRB);
|
|
fDeleteRenderbuffers(1, &mOffscreenStencilRB);
|
|
|
|
mOffscreenDrawFBO = 0;
|
|
mOffscreenReadFBO = 0;
|
|
mOffscreenTexture = 0;
|
|
mOffscreenColorRB = 0;
|
|
mOffscreenDepthRB = 0;
|
|
mOffscreenStencilRB = 0;
|
|
}
|
|
|
|
void
|
|
GLContext::ClearSafely()
|
|
{
|
|
// bug 659349 --- we must be very careful here: clearing a GL framebuffer is nontrivial, relies on a lot of state,
|
|
// and in the case of the backbuffer of a WebGL context, state is exposed to scripts.
|
|
//
|
|
// The code here is taken from WebGLContext::ForceClearFramebufferWithDefaultValues, but I didn't find a good way of
|
|
// sharing code with it. WebGL's code is somewhat performance-critical as it is typically called on every frame, so
|
|
// WebGL keeps track of GL state to avoid having to query it everytime, and also tries to only do work for actually
|
|
// present buffers (e.g. stencil buffer). Doing that here seems like premature optimization,
|
|
// as ClearSafely() is called only when e.g. a canvas is resized, not on every animation frame.
|
|
|
|
realGLboolean scissorTestEnabled;
|
|
realGLboolean ditherEnabled;
|
|
realGLboolean colorWriteMask[4];
|
|
realGLboolean depthWriteMask;
|
|
GLint stencilWriteMaskFront, stencilWriteMaskBack;
|
|
GLfloat colorClearValue[4];
|
|
GLfloat depthClearValue;
|
|
GLint stencilClearValue;
|
|
|
|
// save current GL state
|
|
fGetBooleanv(LOCAL_GL_SCISSOR_TEST, &scissorTestEnabled);
|
|
fGetBooleanv(LOCAL_GL_DITHER, &ditherEnabled);
|
|
fGetBooleanv(LOCAL_GL_COLOR_WRITEMASK, colorWriteMask);
|
|
fGetBooleanv(LOCAL_GL_DEPTH_WRITEMASK, &depthWriteMask);
|
|
fGetIntegerv(LOCAL_GL_STENCIL_WRITEMASK, &stencilWriteMaskFront);
|
|
fGetIntegerv(LOCAL_GL_STENCIL_BACK_WRITEMASK, &stencilWriteMaskBack);
|
|
fGetFloatv(LOCAL_GL_COLOR_CLEAR_VALUE, colorClearValue);
|
|
fGetFloatv(LOCAL_GL_DEPTH_CLEAR_VALUE, &depthClearValue);
|
|
fGetIntegerv(LOCAL_GL_STENCIL_CLEAR_VALUE, &stencilClearValue);
|
|
|
|
// prepare GL state for clearing
|
|
fDisable(LOCAL_GL_SCISSOR_TEST);
|
|
fDisable(LOCAL_GL_DITHER);
|
|
PushViewportRect(nsIntRect(0, 0, mOffscreenSize.width, mOffscreenSize.height));
|
|
|
|
fColorMask(1, 1, 1, 1);
|
|
fClearColor(0.f, 0.f, 0.f, 0.f);
|
|
|
|
fDepthMask(1);
|
|
fClearDepth(1.0f);
|
|
|
|
fStencilMask(0xffffffff);
|
|
fClearStencil(0);
|
|
|
|
// do clear
|
|
fClear(LOCAL_GL_COLOR_BUFFER_BIT |
|
|
LOCAL_GL_DEPTH_BUFFER_BIT |
|
|
LOCAL_GL_STENCIL_BUFFER_BIT);
|
|
|
|
// restore GL state after clearing
|
|
fColorMask(colorWriteMask[0],
|
|
colorWriteMask[1],
|
|
colorWriteMask[2],
|
|
colorWriteMask[3]);
|
|
fClearColor(colorClearValue[0],
|
|
colorClearValue[1],
|
|
colorClearValue[2],
|
|
colorClearValue[3]);
|
|
|
|
fDepthMask(depthWriteMask);
|
|
fClearDepth(depthClearValue);
|
|
|
|
fStencilMaskSeparate(LOCAL_GL_FRONT, stencilWriteMaskFront);
|
|
fStencilMaskSeparate(LOCAL_GL_BACK, stencilWriteMaskBack);
|
|
fClearStencil(stencilClearValue);
|
|
|
|
PopViewportRect();
|
|
|
|
if (ditherEnabled)
|
|
fEnable(LOCAL_GL_DITHER);
|
|
else
|
|
fDisable(LOCAL_GL_DITHER);
|
|
|
|
if (scissorTestEnabled)
|
|
fEnable(LOCAL_GL_SCISSOR_TEST);
|
|
else
|
|
fDisable(LOCAL_GL_SCISSOR_TEST);
|
|
|
|
}
|
|
|
|
void
|
|
GLContext::UpdateActualFormat()
|
|
{
|
|
ContextFormat nf;
|
|
|
|
fGetIntegerv(LOCAL_GL_RED_BITS, (GLint*) &nf.red);
|
|
fGetIntegerv(LOCAL_GL_GREEN_BITS, (GLint*) &nf.green);
|
|
fGetIntegerv(LOCAL_GL_BLUE_BITS, (GLint*) &nf.blue);
|
|
fGetIntegerv(LOCAL_GL_ALPHA_BITS, (GLint*) &nf.alpha);
|
|
fGetIntegerv(LOCAL_GL_DEPTH_BITS, (GLint*) &nf.depth);
|
|
fGetIntegerv(LOCAL_GL_STENCIL_BITS, (GLint*) &nf.stencil);
|
|
|
|
mActualFormat = nf;
|
|
}
|
|
|
|
void
|
|
GLContext::MarkDestroyed()
|
|
{
|
|
if (IsDestroyed())
|
|
return;
|
|
|
|
MakeCurrent();
|
|
DeleteOffscreenFBO();
|
|
|
|
fDeleteProgram(mBlitProgram);
|
|
mBlitProgram = 0;
|
|
fDeleteFramebuffers(1, &mBlitFramebuffer);
|
|
mBlitFramebuffer = 0;
|
|
|
|
mSymbols.Zero();
|
|
}
|
|
|
|
static void SwapRAndBComponents(gfxImageSurface* aSurf)
|
|
{
|
|
gfxIntSize size = aSurf->GetSize();
|
|
for (int j = 0; j < size.height; ++j) {
|
|
PRUint32 *row = (PRUint32*) (aSurf->Data() + aSurf->Stride() * j);
|
|
for (int i = 0; i < size.width; ++i) {
|
|
*row = (*row & 0xff00ff00) | ((*row & 0xff) << 16) | ((*row & 0xff0000) >> 16);
|
|
row++;
|
|
}
|
|
}
|
|
}
|
|
|
|
static already_AddRefed<gfxImageSurface> YInvertImageSurface(gfxImageSurface* aSurf)
|
|
{
|
|
gfxIntSize size = aSurf->GetSize();
|
|
nsRefPtr<gfxImageSurface> temp = new gfxImageSurface(size, aSurf->Format());
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(temp);
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
ctx->Scale(1.0, -1.0);
|
|
ctx->Translate(-gfxPoint(0.0, size.height));
|
|
ctx->SetSource(aSurf);
|
|
ctx->Paint();
|
|
return temp.forget();
|
|
}
|
|
|
|
already_AddRefed<gfxImageSurface>
|
|
GLContext::GetTexImage(GLuint aTexture, bool aYInvert, ShaderProgramType aShader)
|
|
{
|
|
MakeCurrent();
|
|
fFinish();
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
|
|
|
|
gfxIntSize size;
|
|
fGetTexLevelParameteriv(LOCAL_GL_TEXTURE_2D, 0, LOCAL_GL_TEXTURE_WIDTH, &size.width);
|
|
fGetTexLevelParameteriv(LOCAL_GL_TEXTURE_2D, 0, LOCAL_GL_TEXTURE_HEIGHT, &size.height);
|
|
|
|
nsRefPtr<gfxImageSurface> surf = new gfxImageSurface(size, gfxASurface::ImageFormatARGB32);
|
|
if (!surf || surf->CairoStatus()) {
|
|
return NULL;
|
|
}
|
|
|
|
PRUint32 currentPackAlignment = 0;
|
|
fGetIntegerv(LOCAL_GL_PACK_ALIGNMENT, (GLint*)¤tPackAlignment);
|
|
if (currentPackAlignment != 4) {
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, 4);
|
|
}
|
|
fGetTexImage(LOCAL_GL_TEXTURE_2D, 0, LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE, surf->Data());
|
|
if (currentPackAlignment != 4) {
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, currentPackAlignment);
|
|
}
|
|
|
|
if (aShader == RGBALayerProgramType || aShader == RGBXLayerProgramType) {
|
|
SwapRAndBComponents(surf);
|
|
}
|
|
|
|
if (aYInvert) {
|
|
surf = YInvertImageSurface(surf);
|
|
}
|
|
return surf.forget();
|
|
}
|
|
|
|
already_AddRefed<gfxImageSurface>
|
|
GLContext::ReadTextureImage(GLuint aTexture,
|
|
const gfxIntSize& aSize,
|
|
GLenum aTextureFormat,
|
|
bool aYInvert)
|
|
{
|
|
MakeCurrent();
|
|
|
|
nsRefPtr<gfxImageSurface> isurf;
|
|
|
|
GLint oldrb, oldfb, oldprog, oldPackAlignment;
|
|
GLint success;
|
|
|
|
GLuint rb = 0, fb = 0;
|
|
GLuint vs = 0, fs = 0, prog = 0;
|
|
|
|
const char *vShader =
|
|
"attribute vec4 aVertex;\n"
|
|
"attribute vec2 aTexCoord;\n"
|
|
"varying vec2 vTexCoord;\n"
|
|
"void main() { gl_Position = aVertex; vTexCoord = aTexCoord; }";
|
|
const char *fShader =
|
|
"#ifdef GL_ES\n"
|
|
"precision mediump float;\n"
|
|
"#endif\n"
|
|
"varying vec2 vTexCoord;\n"
|
|
"uniform sampler2D uTexture;\n"
|
|
"void main() { gl_FragColor = texture2D(uTexture, vTexCoord); }";
|
|
|
|
float verts[4*4] = {
|
|
-1.0f, -1.0f, 0.0f, 1.0f,
|
|
1.0f, -1.0f, 0.0f, 1.0f,
|
|
-1.0f, 1.0f, 0.0f, 1.0f,
|
|
1.0f, 1.0f, 0.0f, 1.0f
|
|
};
|
|
|
|
float texcoords[2*4] = {
|
|
0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f
|
|
};
|
|
|
|
fGetIntegerv(LOCAL_GL_RENDERBUFFER_BINDING, &oldrb);
|
|
fGetIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, &oldfb);
|
|
fGetIntegerv(LOCAL_GL_CURRENT_PROGRAM, &oldprog);
|
|
fGetIntegerv(LOCAL_GL_PACK_ALIGNMENT, &oldPackAlignment);
|
|
|
|
PushViewportRect(nsIntRect(0, 0, aSize.width, aSize.height));
|
|
|
|
fGenRenderbuffers(1, &rb);
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, rb);
|
|
fRenderbufferStorage(LOCAL_GL_RENDERBUFFER, LOCAL_GL_RGBA,
|
|
aSize.width, aSize.height);
|
|
|
|
fGenFramebuffers(1, &fb);
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, fb);
|
|
fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_RENDERBUFFER, rb);
|
|
|
|
if (fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER) !=
|
|
LOCAL_GL_FRAMEBUFFER_COMPLETE)
|
|
{
|
|
goto cleanup;
|
|
}
|
|
|
|
vs = fCreateShader(LOCAL_GL_VERTEX_SHADER);
|
|
fs = fCreateShader(LOCAL_GL_FRAGMENT_SHADER);
|
|
fShaderSource(vs, 1, (const GLchar**) &vShader, NULL);
|
|
fShaderSource(fs, 1, (const GLchar**) &fShader, NULL);
|
|
fCompileShader(vs);
|
|
fCompileShader(fs);
|
|
prog = fCreateProgram();
|
|
fAttachShader(prog, vs);
|
|
fAttachShader(prog, fs);
|
|
fBindAttribLocation(prog, 0, "aVertex");
|
|
fBindAttribLocation(prog, 1, "aTexCoord");
|
|
fLinkProgram(prog);
|
|
|
|
fGetProgramiv(prog, LOCAL_GL_LINK_STATUS, &success);
|
|
if (!success) {
|
|
goto cleanup;
|
|
}
|
|
|
|
fUseProgram(prog);
|
|
|
|
fEnableVertexAttribArray(0);
|
|
fEnableVertexAttribArray(1);
|
|
|
|
fVertexAttribPointer(0, 4, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, verts);
|
|
fVertexAttribPointer(1, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, texcoords);
|
|
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
|
|
|
|
fUniform1i(fGetUniformLocation(prog, "uTexture"), 0);
|
|
|
|
fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
|
|
|
|
fDisableVertexAttribArray(1);
|
|
fDisableVertexAttribArray(0);
|
|
|
|
isurf = new gfxImageSurface(aSize, gfxASurface::ImageFormatARGB32);
|
|
if (!isurf || isurf->CairoStatus()) {
|
|
isurf = nsnull;
|
|
goto cleanup;
|
|
}
|
|
|
|
if (oldPackAlignment != 4)
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, 4);
|
|
|
|
fReadPixels(0, 0, aSize.width, aSize.height,
|
|
LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE,
|
|
isurf->Data());
|
|
|
|
SwapRAndBComponents(isurf);
|
|
|
|
if (oldPackAlignment != 4)
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, oldPackAlignment);
|
|
|
|
if (aYInvert) {
|
|
isurf = YInvertImageSurface(isurf);
|
|
}
|
|
|
|
cleanup:
|
|
// note that deleting 0 has no effect in any of these calls
|
|
fDeleteRenderbuffers(1, &rb);
|
|
fDeleteFramebuffers(1, &fb);
|
|
fDeleteShader(vs);
|
|
fDeleteShader(fs);
|
|
fDeleteProgram(prog);
|
|
|
|
fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, oldrb);
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, oldfb);
|
|
fUseProgram(oldprog);
|
|
|
|
PopViewportRect();
|
|
|
|
return isurf.forget();
|
|
}
|
|
|
|
void
|
|
GLContext::ReadPixelsIntoImageSurface(GLint aX, GLint aY,
|
|
GLsizei aWidth, GLsizei aHeight,
|
|
gfxImageSurface *aDest)
|
|
{
|
|
MakeCurrent();
|
|
|
|
if (aDest->Format() != gfxASurface::ImageFormatARGB32 &&
|
|
aDest->Format() != gfxASurface::ImageFormatRGB24)
|
|
{
|
|
NS_WARNING("ReadPixelsIntoImageSurface called with invalid image format");
|
|
return;
|
|
}
|
|
|
|
if (aDest->Width() != aWidth ||
|
|
aDest->Height() != aHeight ||
|
|
aDest->Stride() != aWidth * 4)
|
|
{
|
|
NS_WARNING("ReadPixelsIntoImageSurface called with wrong size or stride surface");
|
|
return;
|
|
}
|
|
|
|
GLint currentPackAlignment = 0;
|
|
fGetIntegerv(LOCAL_GL_PACK_ALIGNMENT, ¤tPackAlignment);
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, 4);
|
|
|
|
// defaults for desktop
|
|
GLenum format = LOCAL_GL_BGRA;
|
|
GLenum datatype = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
|
|
bool swap = false;
|
|
|
|
if (IsGLES2()) {
|
|
datatype = LOCAL_GL_UNSIGNED_BYTE;
|
|
|
|
if (mSupport_ES_ReadPixels_BGRA_UByte) {
|
|
format = LOCAL_GL_BGRA;
|
|
} else {
|
|
format = LOCAL_GL_RGBA;
|
|
swap = true;
|
|
}
|
|
}
|
|
|
|
fReadPixels(0, 0, aWidth, aHeight,
|
|
format, datatype,
|
|
aDest->Data());
|
|
|
|
if (swap) {
|
|
// swap B and R bytes
|
|
for (int j = 0; j < aHeight; ++j) {
|
|
PRUint32 *row = (PRUint32*) (aDest->Data() + aDest->Stride() * j);
|
|
for (int i = 0; i < aWidth; ++i) {
|
|
*row = (*row & 0xff00ff00) | ((*row & 0xff) << 16) | ((*row & 0xff0000) >> 16);
|
|
row++;
|
|
}
|
|
}
|
|
}
|
|
|
|
fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, currentPackAlignment);
|
|
}
|
|
|
|
void
|
|
GLContext::BlitTextureImage(TextureImage *aSrc, const nsIntRect& aSrcRect,
|
|
TextureImage *aDst, const nsIntRect& aDstRect)
|
|
{
|
|
NS_ASSERTION(!aSrc->InUpdate(), "Source texture is in update!");
|
|
NS_ASSERTION(!aDst->InUpdate(), "Destination texture is in update!");
|
|
|
|
if (aSrcRect.IsEmpty() || aDstRect.IsEmpty())
|
|
return;
|
|
|
|
// only save/restore this stuff on Qualcomm Adreno, to work
|
|
// around an apparent bug
|
|
int savedFb = 0;
|
|
if (mVendor == VendorQualcomm) {
|
|
fGetIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, &savedFb);
|
|
}
|
|
|
|
fDisable(LOCAL_GL_SCISSOR_TEST);
|
|
fDisable(LOCAL_GL_BLEND);
|
|
|
|
// 2.0 means scale up by two
|
|
float blitScaleX = float(aDstRect.width) / float(aSrcRect.width);
|
|
float blitScaleY = float(aDstRect.height) / float(aSrcRect.height);
|
|
|
|
// We start iterating over all destination tiles
|
|
aDst->BeginTileIteration();
|
|
do {
|
|
// calculate portion of the tile that is going to be painted to
|
|
nsIntRect dstSubRect;
|
|
nsIntRect dstTextureRect = aDst->GetTileRect();
|
|
dstSubRect.IntersectRect(aDstRect, dstTextureRect);
|
|
|
|
// this tile is not part of the destination rectangle aDstRect
|
|
if (dstSubRect.IsEmpty())
|
|
continue;
|
|
|
|
// (*) transform the rect of this tile into the rectangle defined by aSrcRect...
|
|
nsIntRect dstInSrcRect(dstSubRect);
|
|
dstInSrcRect.MoveBy(-aDstRect.TopLeft());
|
|
// ...which might be of different size, hence scale accordingly
|
|
dstInSrcRect.ScaleRoundOut(1.0f / blitScaleX, 1.0f / blitScaleY);
|
|
dstInSrcRect.MoveBy(aSrcRect.TopLeft());
|
|
|
|
SetBlitFramebufferForDestTexture(aDst->GetTextureID());
|
|
UseBlitProgram();
|
|
|
|
aSrc->BeginTileIteration();
|
|
// now iterate over all tiles in the source Image...
|
|
do {
|
|
// calculate portion of the source tile that is in the source rect
|
|
nsIntRect srcSubRect;
|
|
nsIntRect srcTextureRect = aSrc->GetTileRect();
|
|
srcSubRect.IntersectRect(aSrcRect, srcTextureRect);
|
|
|
|
// this tile is not part of the source rect
|
|
if (srcSubRect.IsEmpty()) {
|
|
continue;
|
|
}
|
|
// calculate intersection of source rect with destination rect
|
|
srcSubRect.IntersectRect(srcSubRect, dstInSrcRect);
|
|
// this tile does not overlap the current destination tile
|
|
if (srcSubRect.IsEmpty()) {
|
|
continue;
|
|
}
|
|
// We now have the intersection of
|
|
// the current source tile
|
|
// and the desired source rectangle
|
|
// and the destination tile
|
|
// and the desired destination rectange
|
|
// in destination space.
|
|
// We need to transform this back into destination space, inverting the transform from (*)
|
|
nsIntRect srcSubInDstRect(srcSubRect);
|
|
srcSubInDstRect.MoveBy(-aSrcRect.TopLeft());
|
|
srcSubInDstRect.ScaleRoundOut(blitScaleX, blitScaleY);
|
|
srcSubInDstRect.MoveBy(aDstRect.TopLeft());
|
|
|
|
// we transform these rectangles to be relative to the current src and dst tiles, respectively
|
|
nsIntSize srcSize = srcTextureRect.Size();
|
|
nsIntSize dstSize = dstTextureRect.Size();
|
|
srcSubRect.MoveBy(-srcTextureRect.x, -srcTextureRect.y);
|
|
srcSubInDstRect.MoveBy(-dstTextureRect.x, -dstTextureRect.y);
|
|
|
|
float dx0 = 2.0 * float(srcSubInDstRect.x) / float(dstSize.width) - 1.0;
|
|
float dy0 = 2.0 * float(srcSubInDstRect.y) / float(dstSize.height) - 1.0;
|
|
float dx1 = 2.0 * float(srcSubInDstRect.x + srcSubInDstRect.width) / float(dstSize.width) - 1.0;
|
|
float dy1 = 2.0 * float(srcSubInDstRect.y + srcSubInDstRect.height) / float(dstSize.height) - 1.0;
|
|
PushViewportRect(nsIntRect(0, 0, dstSize.width, dstSize.height));
|
|
|
|
RectTriangles rects;
|
|
if (aSrc->GetWrapMode() == LOCAL_GL_REPEAT) {
|
|
rects.addRect(/* dest rectangle */
|
|
dx0, dy0, dx1, dy1,
|
|
/* tex coords */
|
|
srcSubRect.x / float(srcSize.width),
|
|
srcSubRect.y / float(srcSize.height),
|
|
srcSubRect.XMost() / float(srcSize.width),
|
|
srcSubRect.YMost() / float(srcSize.height));
|
|
} else {
|
|
DecomposeIntoNoRepeatTriangles(srcSubRect, srcSize, rects);
|
|
|
|
// now put the coords into the d[xy]0 .. d[xy]1 coordinate space
|
|
// from the 0..1 that it comes out of decompose
|
|
RectTriangles::vert_coord* v = (RectTriangles::vert_coord*)rects.vertexPointer();
|
|
|
|
for (unsigned int i = 0; i < rects.elements(); ++i) {
|
|
v[i].x = (v[i].x * (dx1 - dx0)) + dx0;
|
|
v[i].y = (v[i].y * (dy1 - dy0)) + dy0;
|
|
}
|
|
}
|
|
|
|
TextureImage::ScopedBindTexture texBind(aSrc, LOCAL_GL_TEXTURE0);
|
|
|
|
fBindBuffer(LOCAL_GL_ARRAY_BUFFER, 0);
|
|
|
|
fVertexAttribPointer(0, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, rects.vertexPointer());
|
|
fVertexAttribPointer(1, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, rects.texCoordPointer());
|
|
|
|
fEnableVertexAttribArray(0);
|
|
fEnableVertexAttribArray(1);
|
|
|
|
fDrawArrays(LOCAL_GL_TRIANGLES, 0, rects.elements());
|
|
|
|
fDisableVertexAttribArray(0);
|
|
fDisableVertexAttribArray(1);
|
|
|
|
PopViewportRect();
|
|
} while (aSrc->NextTile());
|
|
} while (aDst->NextTile());
|
|
|
|
fVertexAttribPointer(0, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, NULL);
|
|
fVertexAttribPointer(1, 2, LOCAL_GL_FLOAT, LOCAL_GL_FALSE, 0, NULL);
|
|
|
|
// unbind the previous texture from the framebuffer
|
|
SetBlitFramebufferForDestTexture(0);
|
|
|
|
// then put back the previous framebuffer, and don't
|
|
// enable stencil if it wasn't enabled on entry to work
|
|
// around Adreno 200 bug that causes us to crash if
|
|
// we enable scissor test while the current FBO is invalid
|
|
// (which it will be, once we assign texture 0 to the color
|
|
// attachment)
|
|
if (mVendor == VendorQualcomm) {
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, savedFb);
|
|
}
|
|
|
|
fEnable(LOCAL_GL_SCISSOR_TEST);
|
|
fEnable(LOCAL_GL_BLEND);
|
|
}
|
|
|
|
static unsigned int
|
|
DataOffset(gfxImageSurface *aSurf, const nsIntPoint &aPoint)
|
|
{
|
|
unsigned int data = aPoint.y * aSurf->Stride();
|
|
data += aPoint.x * gfxASurface::BytePerPixelFromFormat(aSurf->Format());
|
|
return data;
|
|
}
|
|
|
|
ShaderProgramType
|
|
GLContext::UploadSurfaceToTexture(gfxASurface *aSurface,
|
|
const nsIntRegion& aDstRegion,
|
|
GLuint& aTexture,
|
|
bool aOverwrite,
|
|
const nsIntPoint& aSrcPoint,
|
|
bool aPixelBuffer)
|
|
{
|
|
bool textureInited = aOverwrite ? false : true;
|
|
MakeCurrent();
|
|
fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
|
|
if (!aTexture) {
|
|
fGenTextures(1, &aTexture);
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
LOCAL_GL_TEXTURE_MIN_FILTER,
|
|
LOCAL_GL_LINEAR);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
LOCAL_GL_TEXTURE_MAG_FILTER,
|
|
LOCAL_GL_LINEAR);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
LOCAL_GL_TEXTURE_WRAP_S,
|
|
LOCAL_GL_CLAMP_TO_EDGE);
|
|
fTexParameteri(LOCAL_GL_TEXTURE_2D,
|
|
LOCAL_GL_TEXTURE_WRAP_T,
|
|
LOCAL_GL_CLAMP_TO_EDGE);
|
|
textureInited = false;
|
|
} else {
|
|
fBindTexture(LOCAL_GL_TEXTURE_2D, aTexture);
|
|
}
|
|
|
|
nsIntRegion paintRegion;
|
|
if (!textureInited) {
|
|
paintRegion = nsIntRegion(aDstRegion.GetBounds());
|
|
} else {
|
|
paintRegion = aDstRegion;
|
|
}
|
|
|
|
nsRefPtr<gfxImageSurface> imageSurface = aSurface->GetAsImageSurface();
|
|
unsigned char* data = NULL;
|
|
|
|
if (!imageSurface ||
|
|
(imageSurface->Format() != gfxASurface::ImageFormatARGB32 &&
|
|
imageSurface->Format() != gfxASurface::ImageFormatRGB24 &&
|
|
imageSurface->Format() != gfxASurface::ImageFormatRGB16_565 &&
|
|
imageSurface->Format() != gfxASurface::ImageFormatA8)) {
|
|
// We can't get suitable pixel data for the surface, make a copy
|
|
nsIntRect bounds = aDstRegion.GetBounds();
|
|
imageSurface =
|
|
new gfxImageSurface(gfxIntSize(bounds.width, bounds.height),
|
|
gfxASurface::ImageFormatARGB32);
|
|
|
|
nsRefPtr<gfxContext> context = new gfxContext(imageSurface);
|
|
|
|
context->Translate(-gfxPoint(aSrcPoint.x, aSrcPoint.y));
|
|
context->SetSource(aSurface);
|
|
context->Paint();
|
|
data = imageSurface->Data();
|
|
NS_ASSERTION(!aPixelBuffer,
|
|
"Must be using an image compatible surface with pixel buffers!");
|
|
} else {
|
|
// If a pixel buffer is bound the data pointer parameter is relative
|
|
// to the start of the data block.
|
|
if (!aPixelBuffer) {
|
|
data = imageSurface->Data();
|
|
}
|
|
data += DataOffset(imageSurface, aSrcPoint);
|
|
}
|
|
|
|
GLenum format;
|
|
GLenum internalformat;
|
|
GLenum type;
|
|
PRInt32 pixelSize = gfxASurface::BytePerPixelFromFormat(imageSurface->Format());
|
|
ShaderProgramType shader;
|
|
|
|
switch (imageSurface->Format()) {
|
|
case gfxASurface::ImageFormatARGB32:
|
|
format = LOCAL_GL_RGBA;
|
|
type = LOCAL_GL_UNSIGNED_BYTE;
|
|
shader = BGRALayerProgramType;
|
|
break;
|
|
case gfxASurface::ImageFormatRGB24:
|
|
// Treat RGB24 surfaces as RGBA32 except for the shader
|
|
// program used.
|
|
format = LOCAL_GL_RGBA;
|
|
type = LOCAL_GL_UNSIGNED_BYTE;
|
|
shader = BGRXLayerProgramType;
|
|
break;
|
|
case gfxASurface::ImageFormatRGB16_565:
|
|
format = LOCAL_GL_RGB;
|
|
type = LOCAL_GL_UNSIGNED_SHORT_5_6_5;
|
|
shader = RGBALayerProgramType;
|
|
break;
|
|
case gfxASurface::ImageFormatA8:
|
|
format = LOCAL_GL_LUMINANCE;
|
|
type = LOCAL_GL_UNSIGNED_BYTE;
|
|
// We don't have a specific luminance shader
|
|
shader = ShaderProgramType(0);
|
|
break;
|
|
default:
|
|
NS_ASSERTION(false, "Unhandled image surface format!");
|
|
format = 0;
|
|
type = 0;
|
|
shader = ShaderProgramType(0);
|
|
}
|
|
|
|
PRInt32 stride = imageSurface->Stride();
|
|
|
|
#ifndef USE_GLES2
|
|
internalformat = LOCAL_GL_RGBA;
|
|
#else
|
|
internalformat = format;
|
|
#endif
|
|
|
|
nsIntRegionRectIterator iter(paintRegion);
|
|
const nsIntRect *iterRect;
|
|
|
|
// Top left point of the region's bounding rectangle.
|
|
nsIntPoint topLeft = paintRegion.GetBounds().TopLeft();
|
|
|
|
while ((iterRect = iter.Next())) {
|
|
// The inital data pointer is at the top left point of the region's
|
|
// bounding rectangle. We need to find the offset of this rect
|
|
// within the region and adjust the data pointer accordingly.
|
|
unsigned char *rectData =
|
|
data + DataOffset(imageSurface, iterRect->TopLeft() - topLeft);
|
|
|
|
NS_ASSERTION(textureInited || (iterRect->x == 0 && iterRect->y == 0),
|
|
"Must be uploading to the origin when we don't have an existing texture");
|
|
|
|
if (textureInited && CanUploadSubTextures()) {
|
|
TexSubImage2D(LOCAL_GL_TEXTURE_2D,
|
|
0,
|
|
iterRect->x,
|
|
iterRect->y,
|
|
iterRect->width,
|
|
iterRect->height,
|
|
stride,
|
|
pixelSize,
|
|
format,
|
|
type,
|
|
rectData);
|
|
} else {
|
|
TexImage2D(LOCAL_GL_TEXTURE_2D,
|
|
0,
|
|
internalformat,
|
|
iterRect->width,
|
|
iterRect->height,
|
|
stride,
|
|
pixelSize,
|
|
0,
|
|
format,
|
|
type,
|
|
rectData);
|
|
}
|
|
|
|
}
|
|
|
|
return shader;
|
|
}
|
|
|
|
static GLint GetAddressAlignment(ptrdiff_t aAddress)
|
|
{
|
|
if (!(aAddress & 0x7)) {
|
|
return 8;
|
|
} else if (!(aAddress & 0x3)) {
|
|
return 4;
|
|
} else if (!(aAddress & 0x1)) {
|
|
return 2;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
void
|
|
GLContext::TexImage2D(GLenum target, GLint level, GLint internalformat,
|
|
GLsizei width, GLsizei height, GLsizei stride,
|
|
GLint pixelsize, GLint border, GLenum format,
|
|
GLenum type, const GLvoid *pixels)
|
|
{
|
|
#ifdef USE_GLES2
|
|
|
|
NS_ASSERTION(format == internalformat,
|
|
"format and internalformat not the same for glTexImage2D on GLES2");
|
|
|
|
if (stride == width * pixelsize) {
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
|
|
NS_MIN(GetAddressAlignment((ptrdiff_t)pixels),
|
|
GetAddressAlignment((ptrdiff_t)stride)));
|
|
fTexImage2D(target,
|
|
border,
|
|
internalformat,
|
|
width,
|
|
height,
|
|
border,
|
|
format,
|
|
type,
|
|
pixels);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
|
|
} else {
|
|
// Use GLES-specific workarounds for GL_UNPACK_ROW_LENGTH; these are
|
|
// implemented in TexSubImage2D.
|
|
fTexImage2D(target,
|
|
border,
|
|
internalformat,
|
|
width,
|
|
height,
|
|
border,
|
|
format,
|
|
type,
|
|
NULL);
|
|
TexSubImage2D(target,
|
|
level,
|
|
0,
|
|
0,
|
|
width,
|
|
height,
|
|
stride,
|
|
pixelsize,
|
|
format,
|
|
type,
|
|
pixels);
|
|
}
|
|
#else
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
|
|
NS_MIN(GetAddressAlignment((ptrdiff_t)pixels),
|
|
GetAddressAlignment((ptrdiff_t)stride)));
|
|
int rowLength = stride/pixelsize;
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, rowLength);
|
|
fTexImage2D(target,
|
|
level,
|
|
internalformat,
|
|
width,
|
|
height,
|
|
border,
|
|
format,
|
|
type,
|
|
pixels);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, 0);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
GLContext::TexSubImage2D(GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset,
|
|
GLsizei width, GLsizei height, GLsizei stride,
|
|
GLint pixelsize, GLenum format,
|
|
GLenum type, const GLvoid* pixels)
|
|
{
|
|
#ifdef USE_GLES2
|
|
if (stride == width * pixelsize) {
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
|
|
NS_MIN(GetAddressAlignment((ptrdiff_t)pixels),
|
|
GetAddressAlignment((ptrdiff_t)stride)));
|
|
fTexSubImage2D(target,
|
|
level,
|
|
xoffset,
|
|
yoffset,
|
|
width,
|
|
height,
|
|
format,
|
|
type,
|
|
pixels);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
|
|
} else if (IsExtensionSupported(EXT_unpack_subimage)) {
|
|
TexSubImage2DWithUnpackSubimageGLES(target, level, xoffset, yoffset,
|
|
width, height, stride,
|
|
pixelsize, format, type, pixels);
|
|
|
|
} else {
|
|
TexSubImage2DWithoutUnpackSubimage(target, level, xoffset, yoffset,
|
|
width, height, stride,
|
|
pixelsize, format, type, pixels);
|
|
}
|
|
#else
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
|
|
NS_MIN(GetAddressAlignment((ptrdiff_t)pixels),
|
|
GetAddressAlignment((ptrdiff_t)stride)));
|
|
int rowLength = stride/pixelsize;
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, rowLength);
|
|
fTexSubImage2D(target,
|
|
level,
|
|
xoffset,
|
|
yoffset,
|
|
width,
|
|
height,
|
|
format,
|
|
type,
|
|
pixels);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, 0);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
GLContext::TexSubImage2DWithUnpackSubimageGLES(GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset,
|
|
GLsizei width, GLsizei height,
|
|
GLsizei stride, GLint pixelsize,
|
|
GLenum format, GLenum type,
|
|
const GLvoid* pixels)
|
|
{
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
|
|
NS_MIN(GetAddressAlignment((ptrdiff_t)pixels),
|
|
GetAddressAlignment((ptrdiff_t)stride)));
|
|
// When using GL_UNPACK_ROW_LENGTH, we need to work around a Tegra
|
|
// driver crash where the driver apparently tries to read
|
|
// (stride - width * pixelsize) bytes past the end of the last input
|
|
// row. We only upload the first height-1 rows using GL_UNPACK_ROW_LENGTH,
|
|
// and then we upload the final row separately. See bug 697990.
|
|
int rowLength = stride/pixelsize;
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, rowLength);
|
|
fTexSubImage2D(target,
|
|
level,
|
|
xoffset,
|
|
yoffset,
|
|
width,
|
|
height-1,
|
|
format,
|
|
type,
|
|
pixels);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ROW_LENGTH, 0);
|
|
fTexSubImage2D(target,
|
|
level,
|
|
xoffset,
|
|
yoffset+height-1,
|
|
width,
|
|
1,
|
|
format,
|
|
type,
|
|
(const unsigned char *)pixels+(height-1)*stride);
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
|
|
}
|
|
|
|
void
|
|
GLContext::TexSubImage2DWithoutUnpackSubimage(GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset,
|
|
GLsizei width, GLsizei height,
|
|
GLsizei stride, GLint pixelsize,
|
|
GLenum format, GLenum type,
|
|
const GLvoid* pixels)
|
|
{
|
|
// Not using the whole row of texture data and GL_UNPACK_ROW_LENGTH
|
|
// isn't supported. We make a copy of the texture data we're using,
|
|
// such that we're using the whole row of data in the copy. This turns
|
|
// out to be more efficient than uploading row-by-row; see bug 698197.
|
|
unsigned char *newPixels = new unsigned char[width*height*pixelsize];
|
|
unsigned char *rowDest = newPixels;
|
|
const unsigned char *rowSource = (const unsigned char *)pixels;
|
|
for (int h = 0; h < height; h++) {
|
|
memcpy(rowDest, rowSource, width*pixelsize);
|
|
rowDest += width*pixelsize;
|
|
rowSource += stride;
|
|
}
|
|
|
|
stride = width*pixelsize;
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT,
|
|
NS_MIN(GetAddressAlignment((ptrdiff_t)newPixels),
|
|
GetAddressAlignment((ptrdiff_t)stride)));
|
|
fTexSubImage2D(target,
|
|
level,
|
|
xoffset,
|
|
yoffset,
|
|
width,
|
|
height,
|
|
format,
|
|
type,
|
|
newPixels);
|
|
delete [] newPixels;
|
|
fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 4);
|
|
}
|
|
|
|
void
|
|
GLContext::RectTriangles::addRect(GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1,
|
|
GLfloat tx0, GLfloat ty0, GLfloat tx1, GLfloat ty1)
|
|
{
|
|
vert_coord v;
|
|
v.x = x0; v.y = y0;
|
|
vertexCoords.AppendElement(v);
|
|
v.x = x1; v.y = y0;
|
|
vertexCoords.AppendElement(v);
|
|
v.x = x0; v.y = y1;
|
|
vertexCoords.AppendElement(v);
|
|
|
|
v.x = x0; v.y = y1;
|
|
vertexCoords.AppendElement(v);
|
|
v.x = x1; v.y = y0;
|
|
vertexCoords.AppendElement(v);
|
|
v.x = x1; v.y = y1;
|
|
vertexCoords.AppendElement(v);
|
|
|
|
tex_coord t;
|
|
t.u = tx0; t.v = ty0;
|
|
texCoords.AppendElement(t);
|
|
t.u = tx1; t.v = ty0;
|
|
texCoords.AppendElement(t);
|
|
t.u = tx0; t.v = ty1;
|
|
texCoords.AppendElement(t);
|
|
|
|
t.u = tx0; t.v = ty1;
|
|
texCoords.AppendElement(t);
|
|
t.u = tx1; t.v = ty0;
|
|
texCoords.AppendElement(t);
|
|
t.u = tx1; t.v = ty1;
|
|
texCoords.AppendElement(t);
|
|
}
|
|
|
|
static GLfloat
|
|
WrapTexCoord(GLfloat v)
|
|
{
|
|
// fmodf gives negative results for negative numbers;
|
|
// that is, fmodf(0.75, 1.0) == 0.75, but
|
|
// fmodf(-0.75, 1.0) == -0.75. For the negative case,
|
|
// the result we need is 0.25, so we add 1.0f.
|
|
if (v < 0.0f) {
|
|
return 1.0f + fmodf(v, 1.0f);
|
|
}
|
|
|
|
return fmodf(v, 1.0f);
|
|
}
|
|
|
|
void
|
|
GLContext::DecomposeIntoNoRepeatTriangles(const nsIntRect& aTexCoordRect,
|
|
const nsIntSize& aTexSize,
|
|
RectTriangles& aRects)
|
|
{
|
|
// normalize this
|
|
nsIntRect tcr(aTexCoordRect);
|
|
while (tcr.x > aTexSize.width)
|
|
tcr.x -= aTexSize.width;
|
|
while (tcr.y > aTexSize.height)
|
|
tcr.y -= aTexSize.height;
|
|
|
|
// Compute top left and bottom right tex coordinates
|
|
GLfloat tl[2] =
|
|
{ GLfloat(tcr.x) / GLfloat(aTexSize.width),
|
|
GLfloat(tcr.y) / GLfloat(aTexSize.height) };
|
|
GLfloat br[2] =
|
|
{ GLfloat(tcr.XMost()) / GLfloat(aTexSize.width),
|
|
GLfloat(tcr.YMost()) / GLfloat(aTexSize.height) };
|
|
|
|
// then check if we wrap in either the x or y axis; if we do,
|
|
// then also use fmod to figure out the "true" non-wrapping
|
|
// texture coordinates.
|
|
|
|
bool xwrap = false, ywrap = false;
|
|
if (tcr.x < 0 || tcr.x > aTexSize.width ||
|
|
tcr.XMost() < 0 || tcr.XMost() > aTexSize.width)
|
|
{
|
|
xwrap = true;
|
|
tl[0] = WrapTexCoord(tl[0]);
|
|
br[0] = WrapTexCoord(br[0]);
|
|
}
|
|
|
|
if (tcr.y < 0 || tcr.y > aTexSize.height ||
|
|
tcr.YMost() < 0 || tcr.YMost() > aTexSize.height)
|
|
{
|
|
ywrap = true;
|
|
tl[1] = WrapTexCoord(tl[1]);
|
|
br[1] = WrapTexCoord(br[1]);
|
|
}
|
|
|
|
NS_ASSERTION(tl[0] >= 0.0f && tl[0] <= 1.0f &&
|
|
tl[1] >= 0.0f && tl[1] <= 1.0f &&
|
|
br[0] >= 0.0f && br[0] <= 1.0f &&
|
|
br[1] >= 0.0f && br[1] <= 1.0f,
|
|
"Somehow generated invalid texture coordinates");
|
|
|
|
// If xwrap is false, the texture will be sampled from tl[0]
|
|
// .. br[0]. If xwrap is true, then it will be split into tl[0]
|
|
// .. 1.0, and 0.0 .. br[0]. Same for the Y axis. The
|
|
// destination rectangle is also split appropriately, according
|
|
// to the calculated xmid/ymid values.
|
|
|
|
// There isn't a 1:1 mapping between tex coords and destination coords;
|
|
// when computing midpoints, we have to take that into account. We
|
|
// need to map the texture coords, which are (in the wrap case):
|
|
// |tl->1| and |0->br| to the |0->1| range of the vertex coords. So
|
|
// we have the length (1-tl)+(br) that needs to map into 0->1.
|
|
// These are only valid if there is wrap involved, they won't be used
|
|
// otherwise.
|
|
GLfloat xlen = (1.0f - tl[0]) + br[0];
|
|
GLfloat ylen = (1.0f - tl[1]) + br[1];
|
|
|
|
NS_ASSERTION(!xwrap || xlen > 0.0f, "xlen isn't > 0, what's going on?");
|
|
NS_ASSERTION(!ywrap || ylen > 0.0f, "ylen isn't > 0, what's going on?");
|
|
NS_ASSERTION(aTexCoordRect.width <= aTexSize.width &&
|
|
aTexCoordRect.height <= aTexSize.height, "tex coord rect would cause tiling!");
|
|
|
|
if (!xwrap && !ywrap) {
|
|
aRects.addRect(0.0f, 0.0f, 1.0f, 1.0f,
|
|
tl[0], tl[1], br[0], br[1]);
|
|
} else if (!xwrap && ywrap) {
|
|
GLfloat ymid = (1.0f - tl[1]) / ylen;
|
|
aRects.addRect(0.0f, 0.0f,
|
|
1.0f, ymid,
|
|
tl[0], tl[1],
|
|
br[0], 1.0f);
|
|
aRects.addRect(0.0f, ymid,
|
|
1.0f, 1.0f,
|
|
tl[0], 0.0f,
|
|
br[0], br[1]);
|
|
} else if (xwrap && !ywrap) {
|
|
GLfloat xmid = (1.0f - tl[0]) / xlen;
|
|
aRects.addRect(0.0f, 0.0f,
|
|
xmid, 1.0f,
|
|
tl[0], tl[1],
|
|
1.0f, br[1]);
|
|
aRects.addRect(xmid, 0.0f,
|
|
1.0f, 1.0f,
|
|
0.0f, tl[1],
|
|
br[0], br[1]);
|
|
} else {
|
|
GLfloat xmid = (1.0f - tl[0]) / xlen;
|
|
GLfloat ymid = (1.0f - tl[1]) / ylen;
|
|
aRects.addRect(0.0f, 0.0f,
|
|
xmid, ymid,
|
|
tl[0], tl[1],
|
|
1.0f, 1.0f);
|
|
aRects.addRect(xmid, 0.0f,
|
|
1.0f, ymid,
|
|
0.0f, tl[1],
|
|
br[0], 1.0f);
|
|
aRects.addRect(0.0f, ymid,
|
|
xmid, 1.0f,
|
|
tl[0], 0.0f,
|
|
1.0f, br[1]);
|
|
aRects.addRect(xmid, ymid,
|
|
1.0f, 1.0f,
|
|
0.0f, 0.0f,
|
|
br[0], br[1]);
|
|
}
|
|
}
|
|
|
|
void
|
|
GLContext::UseBlitProgram()
|
|
{
|
|
if (mBlitProgram) {
|
|
fUseProgram(mBlitProgram);
|
|
return;
|
|
}
|
|
|
|
mBlitProgram = fCreateProgram();
|
|
|
|
GLuint shaders[2];
|
|
shaders[0] = fCreateShader(LOCAL_GL_VERTEX_SHADER);
|
|
shaders[1] = fCreateShader(LOCAL_GL_FRAGMENT_SHADER);
|
|
|
|
const char *blitVSSrc =
|
|
"attribute vec2 aVertex;"
|
|
"attribute vec2 aTexCoord;"
|
|
"varying vec2 vTexCoord;"
|
|
"void main() {"
|
|
" vTexCoord = aTexCoord;"
|
|
" gl_Position = vec4(aVertex, 0.0, 1.0);"
|
|
"}";
|
|
const char *blitFSSrc = "#ifdef GL_ES\nprecision mediump float;\n#endif\n"
|
|
"uniform sampler2D uSrcTexture;"
|
|
"varying vec2 vTexCoord;"
|
|
"void main() {"
|
|
" gl_FragColor = texture2D(uSrcTexture, vTexCoord);"
|
|
"}";
|
|
|
|
fShaderSource(shaders[0], 1, (const GLchar**) &blitVSSrc, NULL);
|
|
fShaderSource(shaders[1], 1, (const GLchar**) &blitFSSrc, NULL);
|
|
|
|
for (int i = 0; i < 2; ++i) {
|
|
GLint success, len = 0;
|
|
|
|
fCompileShader(shaders[i]);
|
|
fGetShaderiv(shaders[i], LOCAL_GL_COMPILE_STATUS, &success);
|
|
NS_ASSERTION(success, "Shader compilation failed!");
|
|
|
|
if (!success) {
|
|
nsCAutoString log;
|
|
fGetShaderiv(shaders[i], LOCAL_GL_INFO_LOG_LENGTH, (GLint*) &len);
|
|
log.SetCapacity(len);
|
|
fGetShaderInfoLog(shaders[i], len, (GLint*) &len, (char*) log.BeginWriting());
|
|
log.SetLength(len);
|
|
|
|
printf_stderr("Shader %d compilation failed:\n%s\n", log.get());
|
|
return;
|
|
}
|
|
|
|
fAttachShader(mBlitProgram, shaders[i]);
|
|
fDeleteShader(shaders[i]);
|
|
}
|
|
|
|
fBindAttribLocation(mBlitProgram, 0, "aVertex");
|
|
fBindAttribLocation(mBlitProgram, 1, "aTexCoord");
|
|
|
|
fLinkProgram(mBlitProgram);
|
|
|
|
GLint success, len = 0;
|
|
fGetProgramiv(mBlitProgram, LOCAL_GL_LINK_STATUS, &success);
|
|
NS_ASSERTION(success, "Shader linking failed!");
|
|
|
|
if (!success) {
|
|
nsCAutoString log;
|
|
fGetProgramiv(mBlitProgram, LOCAL_GL_INFO_LOG_LENGTH, (GLint*) &len);
|
|
log.SetCapacity(len);
|
|
fGetProgramInfoLog(mBlitProgram, len, (GLint*) &len, (char*) log.BeginWriting());
|
|
log.SetLength(len);
|
|
|
|
printf_stderr("Program linking failed:\n%s\n", log.get());
|
|
return;
|
|
}
|
|
|
|
fUseProgram(mBlitProgram);
|
|
fUniform1i(fGetUniformLocation(mBlitProgram, "uSrcTexture"), 0);
|
|
}
|
|
|
|
void
|
|
GLContext::SetBlitFramebufferForDestTexture(GLuint aTexture)
|
|
{
|
|
if (!mBlitFramebuffer) {
|
|
fGenFramebuffers(1, &mBlitFramebuffer);
|
|
}
|
|
|
|
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, mBlitFramebuffer);
|
|
fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER,
|
|
LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_TEXTURE_2D,
|
|
aTexture,
|
|
0);
|
|
|
|
GLenum result = fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
|
|
if (aTexture && (result != LOCAL_GL_FRAMEBUFFER_COMPLETE)) {
|
|
nsCAutoString msg;
|
|
msg.Append("Framebuffer not complete -- error 0x");
|
|
msg.AppendInt(result, 16);
|
|
// Note: if you are hitting this, it is likely that
|
|
// your texture is not texture complete -- that is, you
|
|
// allocated a texture name, but didn't actually define its
|
|
// size via a call to TexImage2D.
|
|
NS_RUNTIMEABORT(msg.get());
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
void
|
|
GLContext::CreatedProgram(GLContext *aOrigin, GLuint aName)
|
|
{
|
|
mTrackedPrograms.AppendElement(NamedResource(aOrigin, aName));
|
|
}
|
|
|
|
void
|
|
GLContext::CreatedShader(GLContext *aOrigin, GLuint aName)
|
|
{
|
|
mTrackedShaders.AppendElement(NamedResource(aOrigin, aName));
|
|
}
|
|
|
|
void
|
|
GLContext::CreatedBuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedBuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
void
|
|
GLContext::CreatedTextures(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedTextures.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
void
|
|
GLContext::CreatedFramebuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedFramebuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
void
|
|
GLContext::CreatedRenderbuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
for (GLsizei i = 0; i < aCount; ++i) {
|
|
mTrackedRenderbuffers.AppendElement(NamedResource(aOrigin, aNames[i]));
|
|
}
|
|
}
|
|
|
|
static void
|
|
RemoveNamesFromArray(GLContext *aOrigin, GLsizei aCount, GLuint *aNames, nsTArray<GLContext::NamedResource>& aArray)
|
|
{
|
|
for (GLsizei j = 0; j < aCount; ++j) {
|
|
GLuint name = aNames[j];
|
|
// name 0 can be ignored
|
|
if (name == 0)
|
|
continue;
|
|
|
|
bool found = false;
|
|
for (PRUint32 i = 0; i < aArray.Length(); ++i) {
|
|
if (aArray[i].name == name) {
|
|
aArray.RemoveElementAt(i);
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
GLContext::DeletedProgram(GLContext *aOrigin, GLuint aName)
|
|
{
|
|
RemoveNamesFromArray(aOrigin, 1, &aName, mTrackedPrograms);
|
|
}
|
|
|
|
void
|
|
GLContext::DeletedShader(GLContext *aOrigin, GLuint aName)
|
|
{
|
|
RemoveNamesFromArray(aOrigin, 1, &aName, mTrackedShaders);
|
|
}
|
|
|
|
void
|
|
GLContext::DeletedBuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedBuffers);
|
|
}
|
|
|
|
void
|
|
GLContext::DeletedTextures(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedTextures);
|
|
}
|
|
|
|
void
|
|
GLContext::DeletedFramebuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedFramebuffers);
|
|
}
|
|
|
|
void
|
|
GLContext::DeletedRenderbuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames)
|
|
{
|
|
RemoveNamesFromArray(aOrigin, aCount, aNames, mTrackedRenderbuffers);
|
|
}
|
|
|
|
static void
|
|
MarkContextDestroyedInArray(GLContext *aContext, nsTArray<GLContext::NamedResource>& aArray)
|
|
{
|
|
for (PRUint32 i = 0; i < aArray.Length(); ++i) {
|
|
if (aArray[i].origin == aContext)
|
|
aArray[i].originDeleted = true;
|
|
}
|
|
}
|
|
|
|
void
|
|
GLContext::SharedContextDestroyed(GLContext *aChild)
|
|
{
|
|
MarkContextDestroyedInArray(aChild, mTrackedPrograms);
|
|
MarkContextDestroyedInArray(aChild, mTrackedShaders);
|
|
MarkContextDestroyedInArray(aChild, mTrackedTextures);
|
|
MarkContextDestroyedInArray(aChild, mTrackedFramebuffers);
|
|
MarkContextDestroyedInArray(aChild, mTrackedRenderbuffers);
|
|
MarkContextDestroyedInArray(aChild, mTrackedBuffers);
|
|
}
|
|
|
|
static void
|
|
ReportArrayContents(const nsTArray<GLContext::NamedResource>& aArray)
|
|
{
|
|
nsTArray<GLContext::NamedResource> copy(aArray);
|
|
copy.Sort();
|
|
|
|
GLContext *lastContext = NULL;
|
|
for (PRUint32 i = 0; i < copy.Length(); ++i) {
|
|
if (lastContext != copy[i].origin) {
|
|
if (lastContext)
|
|
printf_stderr("\n");
|
|
printf_stderr(" [%p - %s] ", copy[i].origin, copy[i].originDeleted ? "deleted" : "live");
|
|
lastContext = copy[i].origin;
|
|
}
|
|
printf_stderr("%d ", copy[i].name);
|
|
}
|
|
printf_stderr("\n");
|
|
}
|
|
|
|
void
|
|
GLContext::ReportOutstandingNames()
|
|
{
|
|
printf_stderr("== GLContext %p ==\n", this);
|
|
printf_stderr("Outstanding Textures:\n");
|
|
ReportArrayContents(mTrackedTextures);
|
|
printf_stderr("Outstanding Buffers:\n");
|
|
ReportArrayContents(mTrackedBuffers);
|
|
printf_stderr("Outstanding Programs:\n");
|
|
ReportArrayContents(mTrackedPrograms);
|
|
printf_stderr("Outstanding Shaders:\n");
|
|
ReportArrayContents(mTrackedShaders);
|
|
printf_stderr("Outstanding Framebuffers:\n");
|
|
ReportArrayContents(mTrackedFramebuffers);
|
|
printf_stderr("Outstanding Renderbuffers:\n");
|
|
ReportArrayContents(mTrackedRenderbuffers);
|
|
}
|
|
|
|
#endif /* DEBUG */
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} /* namespace gl */
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} /* namespace mozilla */
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