mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-04 02:57:38 +00:00
1685 lines
55 KiB
C++
1685 lines
55 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "GLBlitHelper.h"
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#include "gfxEnv.h"
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#include "gfxUtils.h"
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#include "GLContext.h"
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#include "GLScreenBuffer.h"
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#include "GPUVideoImage.h"
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#include "HeapCopyOfStackArray.h"
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#include "ImageContainer.h"
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#include "ScopedGLHelpers.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/Casting.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/StaticPrefs_gfx.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/gfx/Logging.h"
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#include "mozilla/gfx/Matrix.h"
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#include "mozilla/layers/ImageDataSerializer.h"
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#include "mozilla/layers/LayersSurfaces.h"
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#ifdef MOZ_WIDGET_ANDROID
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# include "AndroidSurfaceTexture.h"
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# include "GLImages.h"
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# include "GLLibraryEGL.h"
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#endif
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#ifdef XP_MACOSX
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# include "GLContextCGL.h"
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# include "MacIOSurfaceImage.h"
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#endif
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#ifdef XP_WIN
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# include "mozilla/layers/D3D11ShareHandleImage.h"
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# include "mozilla/layers/D3D11TextureIMFSampleImage.h"
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# include "mozilla/layers/D3D11YCbCrImage.h"
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#endif
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#ifdef MOZ_WIDGET_GTK
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# include "mozilla/layers/DMABUFSurfaceImage.h"
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# include "mozilla/widget/DMABufSurface.h"
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# include "mozilla/widget/DMABufLibWrapper.h"
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#endif
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using mozilla::layers::PlanarYCbCrData;
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using mozilla::layers::PlanarYCbCrImage;
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namespace mozilla {
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namespace gl {
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// --
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static const char kFragPreprocHeader[] = R"(
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#ifdef GL_ES
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#ifdef GL_FRAGMENT_PRECISION_HIGH
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#define MAXP highp
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#endif
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#else
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#define MAXP highp
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#endif
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#ifndef MAXP
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#define MAXP mediump
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#endif
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#if __VERSION__ >= 130
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#define VARYING in
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#else
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#define VARYING varying
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#endif
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#if __VERSION__ >= 120
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#define MAT4X3 mat4x3
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#else
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#define MAT4X3 mat4
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#endif
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)";
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// -
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const char* const kFragHeader_Tex2D = R"(
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#define SAMPLER sampler2D
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#if __VERSION__ >= 130
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#define TEXTURE texture
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#else
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#define TEXTURE texture2D
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#endif
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)";
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const char* const kFragHeader_Tex2DRect = R"(
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#define SAMPLER sampler2DRect
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#if __VERSION__ >= 130
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#define TEXTURE texture
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#else
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#define TEXTURE texture2DRect
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#endif
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)";
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const char* const kFragHeader_TexExt = R"(
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#extension GL_OES_EGL_image_external : enable
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#extension GL_OES_EGL_image_external_essl3 : enable
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#if __VERSION__ >= 130
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#define TEXTURE texture
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#else
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#define TEXTURE texture2D
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#endif
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#define SAMPLER samplerExternalOES
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)";
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// -
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static const char kFragDeclHeader[] = R"(
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precision PRECISION float;
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#if __VERSION__ >= 130
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#define FRAG_COLOR oFragColor
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out vec4 FRAG_COLOR;
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#else
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#define FRAG_COLOR gl_FragColor
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#endif
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)";
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// -
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const char* const kFragSample_OnePlane = R"(
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VARYING mediump vec2 vTexCoord0;
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uniform PRECISION SAMPLER uTex0;
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vec4 metaSample() {
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vec4 src = TEXTURE(uTex0, vTexCoord0);
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return src;
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}
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)";
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// Ideally this would just change the color-matrix it uses, but this is
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// acceptable debt for now.
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// `extern` so that we don't get ifdef-dependent const-var-unused Werrors.
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extern const char* const kFragSample_OnePlane_YUV_via_GBR = R"(
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VARYING mediump vec2 vTexCoord0;
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uniform PRECISION SAMPLER uTex0;
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vec4 metaSample() {
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vec4 yuva = TEXTURE(uTex0, vTexCoord0).gbra;
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return yuva;
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}
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)";
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const char* const kFragSample_TwoPlane = R"(
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VARYING mediump vec2 vTexCoord0;
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VARYING mediump vec2 vTexCoord1;
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uniform PRECISION SAMPLER uTex0;
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uniform PRECISION SAMPLER uTex1;
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vec4 metaSample() {
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vec4 src = TEXTURE(uTex0, vTexCoord0); // Keep r and a.
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src.gb = TEXTURE(uTex1, vTexCoord1).rg;
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return src;
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}
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)";
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const char* const kFragSample_ThreePlane = R"(
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VARYING mediump vec2 vTexCoord0;
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VARYING mediump vec2 vTexCoord1;
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uniform PRECISION SAMPLER uTex0;
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uniform PRECISION SAMPLER uTex1;
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uniform PRECISION SAMPLER uTex2;
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vec4 metaSample() {
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vec4 src = TEXTURE(uTex0, vTexCoord0); // Keep r and a.
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src.g = TEXTURE(uTex1, vTexCoord1).r;
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src.b = TEXTURE(uTex2, vTexCoord1).r;
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return src;
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}
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)";
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// -
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const char* const kFragConvert_None = R"(
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vec3 metaConvert(vec3 src) {
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return src;
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}
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)";
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const char* const kFragConvert_BGR = R"(
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vec3 metaConvert(vec3 src) {
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return src.bgr;
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}
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)";
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const char* const kFragConvert_ColorMatrix = R"(
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uniform mediump MAT4X3 uColorMatrix;
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vec3 metaConvert(vec3 src) {
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return (uColorMatrix * vec4(src, 1)).rgb;
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}
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)";
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const char* const kFragConvert_ColorLut = R"(
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uniform PRECISION sampler3D uColorLut;
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vec3 metaConvert(vec3 src) {
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// Half-texel filtering hazard!
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// E.g. For texture size of 2,
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// E.g. 0.5/2=0.25 is still sampling 100% of texel 0, 0% of texel 1.
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// For the LUT, we need 0.5/2=0.25 to filter 25/75 texel 0 and 1.
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// That is, we need to adjust our sampling point such that it's 0.25 of the
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// way from texel 0's center to texel 1's center.
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// We need, for N=2:
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// v=0.0|N=2 => v'=0.5/2
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// v=1.0|N=2 => v'=1.5/2
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// For N=3:
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// v=0.0|N=3 => v'=0.5/3
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// v=1.0|N=3 => v'=2.5/3
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// => v' = ( 0.5 + v * (3 - 1) )/3
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vec3 size = vec3(textureSize(uColorLut, 0));
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src = (0.5 + src * (size - 1.0)) / size;
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return texture(uColorLut, src).rgb;
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}
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)";
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// -
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const char* const kFragMixin_AlphaMultColors = R"(
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#define MIXIN_ALPHA_MULT_COLORS
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)";
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const char* const kFragMixin_AlphaClampColors = R"(
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#define MIXIN_ALPHA_CLAMP_COLORS
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)";
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const char* const kFragMixin_AlphaOne = R"(
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#define MIXIN_ALPHA_ONE
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)";
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// -
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static const char kFragBody[] = R"(
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void main(void) {
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vec4 src = metaSample();
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vec4 dst = vec4(metaConvert(src.rgb), src.a);
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#ifdef MIXIN_ALPHA_MULT_COLORS
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dst.rgb *= dst.a;
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#endif
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#ifdef MIXIN_ALPHA_CLAMP_COLORS
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dst.rgb = min(dst.rgb, vec3(dst.a)); // Ensure valid premult-alpha colors.
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#endif
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#ifdef MIXIN_ALPHA_ONE
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dst.a = 1.0;
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#endif
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FRAG_COLOR = dst;
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}
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)";
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// --
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Mat3 SubRectMat3(const float x, const float y, const float w, const float h) {
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auto ret = Mat3{};
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ret.at(0, 0) = w;
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ret.at(1, 1) = h;
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ret.at(2, 0) = x;
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ret.at(2, 1) = y;
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ret.at(2, 2) = 1.0f;
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return ret;
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}
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Mat3 SubRectMat3(const gfx::IntRect& subrect, const gfx::IntSize& size) {
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return SubRectMat3(float(subrect.X()) / size.width,
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float(subrect.Y()) / size.height,
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float(subrect.Width()) / size.width,
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float(subrect.Height()) / size.height);
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}
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Mat3 SubRectMat3(const gfx::IntRect& bigSubrect, const gfx::IntSize& smallSize,
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const gfx::IntSize& divisors) {
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const float x = float(bigSubrect.X()) / divisors.width;
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const float y = float(bigSubrect.Y()) / divisors.height;
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const float w = float(bigSubrect.Width()) / divisors.width;
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const float h = float(bigSubrect.Height()) / divisors.height;
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return SubRectMat3(x / smallSize.width, y / smallSize.height,
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w / smallSize.width, h / smallSize.height);
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}
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// --
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ScopedSaveMultiTex::ScopedSaveMultiTex(GLContext* const gl,
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const std::vector<uint8_t>& texUnits,
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const GLenum texTarget)
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: mGL(*gl),
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mTexUnits(texUnits),
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mTexTarget(texTarget),
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mOldTexUnit(mGL.GetIntAs<GLenum>(LOCAL_GL_ACTIVE_TEXTURE)) {
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MOZ_RELEASE_ASSERT(texUnits.size() >= 1);
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GLenum texBinding;
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switch (mTexTarget) {
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case LOCAL_GL_TEXTURE_2D:
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texBinding = LOCAL_GL_TEXTURE_BINDING_2D;
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break;
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case LOCAL_GL_TEXTURE_3D:
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texBinding = LOCAL_GL_TEXTURE_BINDING_3D;
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break;
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case LOCAL_GL_TEXTURE_RECTANGLE:
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texBinding = LOCAL_GL_TEXTURE_BINDING_RECTANGLE;
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break;
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case LOCAL_GL_TEXTURE_EXTERNAL:
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texBinding = LOCAL_GL_TEXTURE_BINDING_EXTERNAL;
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break;
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default:
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gfxCriticalError() << "Unhandled texTarget: " << texTarget;
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MOZ_CRASH();
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}
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for (const auto i : IntegerRange(mTexUnits.size())) {
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const auto& unit = mTexUnits[i];
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mGL.fActiveTexture(LOCAL_GL_TEXTURE0 + unit);
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if (mGL.IsSupported(GLFeature::sampler_objects)) {
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mOldTexSampler[i] = mGL.GetIntAs<GLuint>(LOCAL_GL_SAMPLER_BINDING);
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mGL.fBindSampler(unit, 0);
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}
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mOldTex[i] = mGL.GetIntAs<GLuint>(texBinding);
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}
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}
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ScopedSaveMultiTex::~ScopedSaveMultiTex() {
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// Unbind in reverse order, in case we have repeats.
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// Order matters because we unbound samplers during ctor, so now we have to
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// make sure we rebind them in the right order.
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for (const auto i : Reversed(IntegerRange(mTexUnits.size()))) {
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const auto& unit = mTexUnits[i];
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mGL.fActiveTexture(LOCAL_GL_TEXTURE0 + unit);
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if (mGL.IsSupported(GLFeature::sampler_objects)) {
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mGL.fBindSampler(unit, mOldTexSampler[i]);
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}
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mGL.fBindTexture(mTexTarget, mOldTex[i]);
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}
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mGL.fActiveTexture(mOldTexUnit);
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}
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// --
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class ScopedBindArrayBuffer final {
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public:
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GLContext& mGL;
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const GLuint mOldVBO;
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ScopedBindArrayBuffer(GLContext* const gl, const GLuint vbo)
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: mGL(*gl), mOldVBO(mGL.GetIntAs<GLuint>(LOCAL_GL_ARRAY_BUFFER_BINDING)) {
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mGL.fBindBuffer(LOCAL_GL_ARRAY_BUFFER, vbo);
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}
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~ScopedBindArrayBuffer() { mGL.fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mOldVBO); }
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};
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// --
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class ScopedShader final {
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GLContext& mGL;
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const GLuint mName;
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public:
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ScopedShader(GLContext* const gl, const GLenum shaderType)
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: mGL(*gl), mName(mGL.fCreateShader(shaderType)) {}
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~ScopedShader() { mGL.fDeleteShader(mName); }
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operator GLuint() const { return mName; }
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};
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// --
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class SaveRestoreCurrentProgram final {
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GLContext& mGL;
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const GLuint mOld;
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public:
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explicit SaveRestoreCurrentProgram(GLContext* const gl)
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: mGL(*gl), mOld(mGL.GetIntAs<GLuint>(LOCAL_GL_CURRENT_PROGRAM)) {}
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~SaveRestoreCurrentProgram() { mGL.fUseProgram(mOld); }
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};
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// --
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class ScopedDrawBlitState final {
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GLContext& mGL;
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const bool blend;
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const bool cullFace;
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const bool depthTest;
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const bool dither;
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const bool polyOffsFill;
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const bool sampleAToC;
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const bool sampleCover;
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const bool scissor;
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const bool stencil;
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Maybe<bool> rasterizerDiscard;
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realGLboolean colorMask[4];
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GLint viewport[4];
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public:
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ScopedDrawBlitState(GLContext* const gl, const gfx::IntSize& destSize)
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: mGL(*gl),
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blend(mGL.PushEnabled(LOCAL_GL_BLEND, false)),
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cullFace(mGL.PushEnabled(LOCAL_GL_CULL_FACE, false)),
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depthTest(mGL.PushEnabled(LOCAL_GL_DEPTH_TEST, false)),
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dither(mGL.PushEnabled(LOCAL_GL_DITHER, true)),
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polyOffsFill(mGL.PushEnabled(LOCAL_GL_POLYGON_OFFSET_FILL, false)),
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sampleAToC(mGL.PushEnabled(LOCAL_GL_SAMPLE_ALPHA_TO_COVERAGE, false)),
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sampleCover(mGL.PushEnabled(LOCAL_GL_SAMPLE_COVERAGE, false)),
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scissor(mGL.PushEnabled(LOCAL_GL_SCISSOR_TEST, false)),
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stencil(mGL.PushEnabled(LOCAL_GL_STENCIL_TEST, false)) {
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if (mGL.IsSupported(GLFeature::transform_feedback2)) {
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// Technically transform_feedback2 requires transform_feedback, which
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// actually adds RASTERIZER_DISCARD.
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rasterizerDiscard =
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Some(mGL.PushEnabled(LOCAL_GL_RASTERIZER_DISCARD, false));
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}
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mGL.fGetBooleanv(LOCAL_GL_COLOR_WRITEMASK, colorMask);
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if (mGL.IsSupported(GLFeature::draw_buffers_indexed)) {
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mGL.fColorMaski(0, true, true, true, true);
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} else {
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mGL.fColorMask(true, true, true, true);
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}
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mGL.fGetIntegerv(LOCAL_GL_VIEWPORT, viewport);
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MOZ_ASSERT(destSize.width && destSize.height);
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mGL.fViewport(0, 0, destSize.width, destSize.height);
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}
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~ScopedDrawBlitState() {
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mGL.SetEnabled(LOCAL_GL_BLEND, blend);
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mGL.SetEnabled(LOCAL_GL_CULL_FACE, cullFace);
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mGL.SetEnabled(LOCAL_GL_DEPTH_TEST, depthTest);
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mGL.SetEnabled(LOCAL_GL_DITHER, dither);
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mGL.SetEnabled(LOCAL_GL_POLYGON_OFFSET_FILL, polyOffsFill);
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mGL.SetEnabled(LOCAL_GL_SAMPLE_ALPHA_TO_COVERAGE, sampleAToC);
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mGL.SetEnabled(LOCAL_GL_SAMPLE_COVERAGE, sampleCover);
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mGL.SetEnabled(LOCAL_GL_SCISSOR_TEST, scissor);
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mGL.SetEnabled(LOCAL_GL_STENCIL_TEST, stencil);
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if (rasterizerDiscard) {
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mGL.SetEnabled(LOCAL_GL_RASTERIZER_DISCARD, rasterizerDiscard.value());
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}
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if (mGL.IsSupported(GLFeature::draw_buffers_indexed)) {
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mGL.fColorMaski(0, colorMask[0], colorMask[1], colorMask[2],
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colorMask[3]);
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} else {
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mGL.fColorMask(colorMask[0], colorMask[1], colorMask[2], colorMask[3]);
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}
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mGL.fViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
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}
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};
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// --
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DrawBlitProg::DrawBlitProg(const GLBlitHelper* const parent, const GLuint prog)
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: mParent(*parent),
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mProg(prog),
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mLoc_uDestMatrix(mParent.mGL->fGetUniformLocation(mProg, "uDestMatrix")),
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mLoc_uTexMatrix0(mParent.mGL->fGetUniformLocation(mProg, "uTexMatrix0")),
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mLoc_uTexMatrix1(mParent.mGL->fGetUniformLocation(mProg, "uTexMatrix1")),
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mLoc_uColorLut(mParent.mGL->fGetUniformLocation(mProg, "uColorLut")),
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mLoc_uColorMatrix(
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mParent.mGL->fGetUniformLocation(mProg, "uColorMatrix")) {
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const auto& gl = mParent.mGL;
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MOZ_GL_ASSERT(gl, mLoc_uDestMatrix != -1); // Required
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MOZ_GL_ASSERT(gl, mLoc_uTexMatrix0 != -1); // Required
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if (mLoc_uColorMatrix != -1) {
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MOZ_GL_ASSERT(gl, mLoc_uTexMatrix1 != -1);
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int32_t numActiveUniforms = 0;
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gl->fGetProgramiv(mProg, LOCAL_GL_ACTIVE_UNIFORMS, &numActiveUniforms);
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const size_t kMaxNameSize = 32;
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char name[kMaxNameSize] = {0};
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GLint size = 0;
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GLenum type = 0;
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for (int32_t i = 0; i < numActiveUniforms; i++) {
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gl->fGetActiveUniform(mProg, i, kMaxNameSize, nullptr, &size, &type,
|
|
name);
|
|
if (strcmp("uColorMatrix", name) == 0) {
|
|
mType_uColorMatrix = type;
|
|
break;
|
|
}
|
|
}
|
|
MOZ_GL_ASSERT(gl, mType_uColorMatrix);
|
|
}
|
|
}
|
|
|
|
DrawBlitProg::~DrawBlitProg() {
|
|
const auto& gl = mParent.mGL;
|
|
if (!gl->MakeCurrent()) return;
|
|
|
|
gl->fDeleteProgram(mProg);
|
|
}
|
|
|
|
void DrawBlitProg::Draw(const BaseArgs& args,
|
|
const YUVArgs* const argsYUV) const {
|
|
const auto& gl = mParent.mGL;
|
|
|
|
const SaveRestoreCurrentProgram oldProg(gl);
|
|
gl->fUseProgram(mProg);
|
|
|
|
// --
|
|
|
|
Mat3 destMatrix;
|
|
if (args.destRect) {
|
|
const auto& destRect = args.destRect.value();
|
|
destMatrix = SubRectMat3(destRect.X() / args.destSize.width,
|
|
destRect.Y() / args.destSize.height,
|
|
destRect.Width() / args.destSize.width,
|
|
destRect.Height() / args.destSize.height);
|
|
} else {
|
|
destMatrix = Mat3::I();
|
|
}
|
|
|
|
if (args.yFlip) {
|
|
// Apply the y-flip matrix before the destMatrix.
|
|
// That is, flip y=[0-1] to y=[1-0] before we restrict to the destRect.
|
|
destMatrix.at(2, 1) += destMatrix.at(1, 1);
|
|
destMatrix.at(1, 1) *= -1.0f;
|
|
}
|
|
|
|
gl->fUniformMatrix3fv(mLoc_uDestMatrix, 1, false, destMatrix.m);
|
|
gl->fUniformMatrix3fv(mLoc_uTexMatrix0, 1, false, args.texMatrix0.m);
|
|
|
|
if (args.texUnitForColorLut) {
|
|
gl->fUniform1i(mLoc_uColorLut,
|
|
AssertedCast<GLint>(*args.texUnitForColorLut));
|
|
}
|
|
|
|
MOZ_ASSERT(bool(argsYUV) == (mLoc_uColorMatrix != -1));
|
|
if (argsYUV) {
|
|
gl->fUniformMatrix3fv(mLoc_uTexMatrix1, 1, false, argsYUV->texMatrix1.m);
|
|
|
|
if (mLoc_uColorMatrix != -1) {
|
|
const auto& colorMatrix =
|
|
gfxUtils::YuvToRgbMatrix4x4ColumnMajor(*argsYUV->colorSpaceForMatrix);
|
|
float mat4x3[4 * 3];
|
|
switch (mType_uColorMatrix) {
|
|
case LOCAL_GL_FLOAT_MAT4:
|
|
gl->fUniformMatrix4fv(mLoc_uColorMatrix, 1, false, colorMatrix);
|
|
break;
|
|
case LOCAL_GL_FLOAT_MAT4x3:
|
|
for (int x = 0; x < 4; x++) {
|
|
for (int y = 0; y < 3; y++) {
|
|
mat4x3[3 * x + y] = colorMatrix[4 * x + y];
|
|
}
|
|
}
|
|
gl->fUniformMatrix4x3fv(mLoc_uColorMatrix, 1, false, mat4x3);
|
|
break;
|
|
default:
|
|
gfxCriticalError()
|
|
<< "Bad mType_uColorMatrix: " << gfx::hexa(mType_uColorMatrix);
|
|
}
|
|
}
|
|
}
|
|
|
|
// --
|
|
|
|
const ScopedDrawBlitState drawState(gl, args.destSize);
|
|
|
|
GLuint oldVAO;
|
|
GLint vaa0Enabled;
|
|
GLint vaa0Size;
|
|
GLenum vaa0Type;
|
|
GLint vaa0Normalized;
|
|
GLsizei vaa0Stride;
|
|
GLvoid* vaa0Pointer;
|
|
GLuint vaa0Buffer;
|
|
if (mParent.mQuadVAO) {
|
|
oldVAO = gl->GetIntAs<GLuint>(LOCAL_GL_VERTEX_ARRAY_BINDING);
|
|
gl->fBindVertexArray(mParent.mQuadVAO);
|
|
} else {
|
|
// clang-format off
|
|
gl->fGetVertexAttribiv(0, LOCAL_GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, (GLint*)&vaa0Buffer);
|
|
gl->fGetVertexAttribiv(0, LOCAL_GL_VERTEX_ATTRIB_ARRAY_ENABLED, &vaa0Enabled);
|
|
gl->fGetVertexAttribiv(0, LOCAL_GL_VERTEX_ATTRIB_ARRAY_SIZE, &vaa0Size);
|
|
gl->fGetVertexAttribiv(0, LOCAL_GL_VERTEX_ATTRIB_ARRAY_TYPE, (GLint*)&vaa0Type);
|
|
gl->fGetVertexAttribiv(0, LOCAL_GL_VERTEX_ATTRIB_ARRAY_NORMALIZED, &vaa0Normalized);
|
|
gl->fGetVertexAttribiv(0, LOCAL_GL_VERTEX_ATTRIB_ARRAY_STRIDE, (GLint*)&vaa0Stride);
|
|
gl->fGetVertexAttribPointerv(0, LOCAL_GL_VERTEX_ATTRIB_ARRAY_POINTER, &vaa0Pointer);
|
|
// clang-format on
|
|
|
|
gl->fEnableVertexAttribArray(0);
|
|
const ScopedBindArrayBuffer bindVBO(gl, mParent.mQuadVBO);
|
|
gl->fVertexAttribPointer(0, 2, LOCAL_GL_FLOAT, false, 0, 0);
|
|
}
|
|
|
|
gl->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
|
|
|
|
if (mParent.mQuadVAO) {
|
|
gl->fBindVertexArray(oldVAO);
|
|
} else {
|
|
if (vaa0Enabled) {
|
|
gl->fEnableVertexAttribArray(0);
|
|
} else {
|
|
gl->fDisableVertexAttribArray(0);
|
|
}
|
|
// The current VERTEX_ARRAY_BINDING is not necessarily the same as the
|
|
// buffer set for vaa0Buffer.
|
|
const ScopedBindArrayBuffer bindVBO(gl, vaa0Buffer);
|
|
gl->fVertexAttribPointer(0, vaa0Size, vaa0Type, bool(vaa0Normalized),
|
|
vaa0Stride, vaa0Pointer);
|
|
}
|
|
}
|
|
|
|
// --
|
|
|
|
GLBlitHelper::GLBlitHelper(GLContext* const gl)
|
|
: mGL(gl),
|
|
mDrawBlitProg_VertShader(mGL->fCreateShader(LOCAL_GL_VERTEX_SHADER))
|
|
//, mYuvUploads_YSize(0, 0)
|
|
//, mYuvUploads_UVSize(0, 0)
|
|
{
|
|
mGL->fGenBuffers(1, &mQuadVBO);
|
|
{
|
|
const ScopedBindArrayBuffer bindVBO(mGL, mQuadVBO);
|
|
|
|
const float quadData[] = {0, 0, 1, 0, 0, 1, 1, 1};
|
|
const HeapCopyOfStackArray<float> heapQuadData(quadData);
|
|
mGL->fBufferData(LOCAL_GL_ARRAY_BUFFER, heapQuadData.ByteLength(),
|
|
heapQuadData.Data(), LOCAL_GL_STATIC_DRAW);
|
|
|
|
if (mGL->IsSupported(GLFeature::vertex_array_object)) {
|
|
const auto prev = mGL->GetIntAs<GLuint>(LOCAL_GL_VERTEX_ARRAY_BINDING);
|
|
|
|
mGL->fGenVertexArrays(1, &mQuadVAO);
|
|
mGL->fBindVertexArray(mQuadVAO);
|
|
mGL->fEnableVertexAttribArray(0);
|
|
mGL->fVertexAttribPointer(0, 2, LOCAL_GL_FLOAT, false, 0, 0);
|
|
|
|
mGL->fBindVertexArray(prev);
|
|
}
|
|
}
|
|
|
|
// --
|
|
|
|
const auto glslVersion = mGL->ShadingLanguageVersion();
|
|
|
|
if (mGL->IsGLES()) {
|
|
// If you run into problems on old android devices, it might be because some
|
|
// devices have OES_EGL_image_external but not OES_EGL_image_external_essl3.
|
|
// We could just use 100 in that particular case, but then we lose out on
|
|
// e.g. sampler3D. Let's just try 300 for now, and if we get regressions
|
|
// we'll add an essl100 fallback.
|
|
if (glslVersion >= 300) {
|
|
mDrawBlitProg_VersionLine = nsCString("#version 300 es\n");
|
|
} else {
|
|
mDrawBlitProg_VersionLine = nsCString("#version 100\n");
|
|
}
|
|
} else if (glslVersion >= 130) {
|
|
mDrawBlitProg_VersionLine = nsPrintfCString("#version %u\n", glslVersion);
|
|
}
|
|
|
|
const char kVertSource[] =
|
|
"\
|
|
#if __VERSION__ >= 130 \n\
|
|
#define ATTRIBUTE in \n\
|
|
#define VARYING out \n\
|
|
#else \n\
|
|
#define ATTRIBUTE attribute \n\
|
|
#define VARYING varying \n\
|
|
#endif \n\
|
|
\n\
|
|
ATTRIBUTE vec2 aVert; // [0.0-1.0] \n\
|
|
\n\
|
|
uniform mat3 uDestMatrix; \n\
|
|
uniform mat3 uTexMatrix0; \n\
|
|
uniform mat3 uTexMatrix1; \n\
|
|
\n\
|
|
VARYING vec2 vTexCoord0; \n\
|
|
VARYING vec2 vTexCoord1; \n\
|
|
\n\
|
|
void main(void) \n\
|
|
{ \n\
|
|
vec2 destPos = (uDestMatrix * vec3(aVert, 1.0)).xy; \n\
|
|
gl_Position = vec4(destPos * 2.0 - 1.0, 0.0, 1.0); \n\
|
|
\n\
|
|
vTexCoord0 = (uTexMatrix0 * vec3(aVert, 1.0)).xy; \n\
|
|
vTexCoord1 = (uTexMatrix1 * vec3(aVert, 1.0)).xy; \n\
|
|
} \n\
|
|
";
|
|
const char* const parts[] = {mDrawBlitProg_VersionLine.get(), kVertSource};
|
|
mGL->fShaderSource(mDrawBlitProg_VertShader, ArrayLength(parts), parts,
|
|
nullptr);
|
|
mGL->fCompileShader(mDrawBlitProg_VertShader);
|
|
}
|
|
|
|
GLBlitHelper::~GLBlitHelper() {
|
|
for (const auto& pair : mDrawBlitProgs) {
|
|
const auto& ptr = pair.second;
|
|
delete ptr;
|
|
}
|
|
mDrawBlitProgs.clear();
|
|
|
|
if (!mGL->MakeCurrent()) return;
|
|
|
|
mGL->fDeleteShader(mDrawBlitProg_VertShader);
|
|
mGL->fDeleteBuffers(1, &mQuadVBO);
|
|
|
|
if (mQuadVAO) {
|
|
mGL->fDeleteVertexArrays(1, &mQuadVAO);
|
|
}
|
|
}
|
|
|
|
// --
|
|
|
|
const DrawBlitProg* GLBlitHelper::GetDrawBlitProg(
|
|
const DrawBlitProg::Key& key) const {
|
|
const auto& res = mDrawBlitProgs.insert({key, nullptr});
|
|
auto& pair = *(res.first);
|
|
const auto& didInsert = res.second;
|
|
if (didInsert) {
|
|
pair.second = CreateDrawBlitProg(pair.first);
|
|
}
|
|
return pair.second;
|
|
}
|
|
|
|
const DrawBlitProg* GLBlitHelper::CreateDrawBlitProg(
|
|
const DrawBlitProg::Key& key) const {
|
|
const auto precisionPref = StaticPrefs::gfx_blithelper_precision();
|
|
const char* precision;
|
|
switch (precisionPref) {
|
|
case 0:
|
|
precision = "lowp";
|
|
break;
|
|
case 1:
|
|
precision = "mediump";
|
|
break;
|
|
default:
|
|
if (precisionPref != 2) {
|
|
NS_WARNING("gfx.blithelper.precision clamped to 2.");
|
|
}
|
|
precision = "MAXP";
|
|
break;
|
|
}
|
|
|
|
nsPrintfCString precisionLine("\n#define PRECISION %s\n", precision);
|
|
|
|
// -
|
|
|
|
const ScopedShader fs(mGL, LOCAL_GL_FRAGMENT_SHADER);
|
|
|
|
std::vector<const char*> parts;
|
|
{
|
|
parts.push_back(mDrawBlitProg_VersionLine.get());
|
|
parts.push_back(kFragPreprocHeader);
|
|
if (key.fragHeader) {
|
|
parts.push_back(key.fragHeader);
|
|
}
|
|
parts.push_back(precisionLine.BeginReading());
|
|
parts.push_back(kFragDeclHeader);
|
|
for (const auto& part : key.fragParts) {
|
|
if (part) {
|
|
parts.push_back(part);
|
|
}
|
|
}
|
|
parts.push_back(kFragBody);
|
|
}
|
|
|
|
const auto PrintFragSource = [&]() {
|
|
printf_stderr("Frag source:\n");
|
|
int i = 0;
|
|
for (const auto& part : parts) {
|
|
printf_stderr("// parts[%i]:\n%s\n", i, part);
|
|
i += 1;
|
|
}
|
|
};
|
|
if (gfxEnv::MOZ_DUMP_GLBLITHELPER()) {
|
|
PrintFragSource();
|
|
}
|
|
|
|
mGL->fShaderSource(fs, AssertedCast<GLint>(parts.size()), parts.data(),
|
|
nullptr);
|
|
mGL->fCompileShader(fs);
|
|
|
|
const auto prog = mGL->fCreateProgram();
|
|
mGL->fAttachShader(prog, mDrawBlitProg_VertShader);
|
|
mGL->fAttachShader(prog, fs);
|
|
|
|
mGL->fBindAttribLocation(prog, 0, "aVert");
|
|
mGL->fLinkProgram(prog);
|
|
|
|
GLenum status = 0;
|
|
mGL->fGetProgramiv(prog, LOCAL_GL_LINK_STATUS, (GLint*)&status);
|
|
if (status == LOCAL_GL_TRUE || mGL->CheckContextLost()) {
|
|
const SaveRestoreCurrentProgram oldProg(mGL);
|
|
mGL->fUseProgram(prog);
|
|
const char* samplerNames[] = {"uTex0", "uTex1", "uTex2"};
|
|
for (int i = 0; i < 3; i++) {
|
|
const auto loc = mGL->fGetUniformLocation(prog, samplerNames[i]);
|
|
if (loc == -1) continue;
|
|
mGL->fUniform1i(loc, i);
|
|
}
|
|
|
|
return new DrawBlitProg(this, prog);
|
|
}
|
|
|
|
GLuint progLogLen = 0;
|
|
mGL->fGetProgramiv(prog, LOCAL_GL_INFO_LOG_LENGTH, (GLint*)&progLogLen);
|
|
const UniquePtr<char[]> progLog(new char[progLogLen + 1]);
|
|
mGL->fGetProgramInfoLog(prog, progLogLen, nullptr, progLog.get());
|
|
progLog[progLogLen] = 0;
|
|
|
|
const auto& vs = mDrawBlitProg_VertShader;
|
|
GLuint vsLogLen = 0;
|
|
mGL->fGetShaderiv(vs, LOCAL_GL_INFO_LOG_LENGTH, (GLint*)&vsLogLen);
|
|
const UniquePtr<char[]> vsLog(new char[vsLogLen + 1]);
|
|
mGL->fGetShaderInfoLog(vs, vsLogLen, nullptr, vsLog.get());
|
|
vsLog[vsLogLen] = 0;
|
|
|
|
GLuint fsLogLen = 0;
|
|
mGL->fGetShaderiv(fs, LOCAL_GL_INFO_LOG_LENGTH, (GLint*)&fsLogLen);
|
|
const UniquePtr<char[]> fsLog(new char[fsLogLen + 1]);
|
|
mGL->fGetShaderInfoLog(fs, fsLogLen, nullptr, fsLog.get());
|
|
fsLog[fsLogLen] = 0;
|
|
|
|
const auto logs =
|
|
std::string("DrawBlitProg link failed:\n") + "progLog: " + progLog.get() +
|
|
"\n" + "vsLog: " + vsLog.get() + "\n" + "fsLog: " + fsLog.get() + "\n";
|
|
gfxCriticalError() << logs;
|
|
|
|
PrintFragSource();
|
|
|
|
MOZ_CRASH("DrawBlitProg link failed");
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
#ifdef XP_MACOSX
|
|
static RefPtr<MacIOSurface> LookupSurface(
|
|
const layers::SurfaceDescriptorMacIOSurface& sd) {
|
|
return MacIOSurface::LookupSurface(sd.surfaceId(), !sd.isOpaque(),
|
|
sd.yUVColorSpace());
|
|
}
|
|
#endif
|
|
|
|
bool GLBlitHelper::BlitSdToFramebuffer(const layers::SurfaceDescriptor& asd,
|
|
const gfx::IntSize& destSize,
|
|
const OriginPos destOrigin) {
|
|
const auto sdType = asd.type();
|
|
switch (sdType) {
|
|
case layers::SurfaceDescriptor::TSurfaceDescriptorBuffer: {
|
|
const auto& sd = asd.get_SurfaceDescriptorBuffer();
|
|
const auto yuvData = PlanarYCbCrData::From(sd);
|
|
if (!yuvData) {
|
|
gfxCriticalNote << "[GLBlitHelper::BlitSdToFramebuffer] "
|
|
"PlanarYCbCrData::From failed";
|
|
return false;
|
|
}
|
|
return BlitPlanarYCbCr(*yuvData, destSize, destOrigin);
|
|
}
|
|
#ifdef XP_WIN
|
|
case layers::SurfaceDescriptor::TSurfaceDescriptorD3D10: {
|
|
const auto& sd = asd.get_SurfaceDescriptorD3D10();
|
|
return BlitDescriptor(sd, destSize, destOrigin);
|
|
}
|
|
case layers::SurfaceDescriptor::TSurfaceDescriptorDXGIYCbCr: {
|
|
const auto& sd = asd.get_SurfaceDescriptorDXGIYCbCr();
|
|
return BlitDescriptor(sd, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
#ifdef XP_MACOSX
|
|
case layers::SurfaceDescriptor::TSurfaceDescriptorMacIOSurface: {
|
|
const auto& sd = asd.get_SurfaceDescriptorMacIOSurface();
|
|
const auto surf = LookupSurface(sd);
|
|
if (!surf) {
|
|
NS_WARNING("LookupSurface(MacIOSurface) failed");
|
|
// Sometimes that frame for our handle gone already. That's life, for
|
|
// now.
|
|
return false;
|
|
}
|
|
return BlitImage(surf, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
case layers::SurfaceDescriptor::TSurfaceTextureDescriptor: {
|
|
const auto& sd = asd.get_SurfaceTextureDescriptor();
|
|
auto surfaceTexture = java::GeckoSurfaceTexture::Lookup(sd.handle());
|
|
return Blit(surfaceTexture, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
#ifdef MOZ_WIDGET_GTK
|
|
case layers::SurfaceDescriptor::TSurfaceDescriptorDMABuf: {
|
|
const auto& sd = asd.get_SurfaceDescriptorDMABuf();
|
|
RefPtr<DMABufSurface> surface = DMABufSurface::CreateDMABufSurface(sd);
|
|
return Blit(surface, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool GLBlitHelper::BlitImageToFramebuffer(layers::Image* const srcImage,
|
|
const gfx::IntSize& destSize,
|
|
const OriginPos destOrigin) {
|
|
switch (srcImage->GetFormat()) {
|
|
case ImageFormat::PLANAR_YCBCR: {
|
|
const auto srcImage2 = static_cast<PlanarYCbCrImage*>(srcImage);
|
|
const auto data = srcImage2->GetData();
|
|
return BlitPlanarYCbCr(*data, destSize, destOrigin);
|
|
}
|
|
|
|
case ImageFormat::SURFACE_TEXTURE: {
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
auto* image = srcImage->AsSurfaceTextureImage();
|
|
MOZ_ASSERT(image);
|
|
auto surfaceTexture =
|
|
java::GeckoSurfaceTexture::Lookup(image->GetHandle());
|
|
return Blit(surfaceTexture, destSize, destOrigin);
|
|
#else
|
|
MOZ_ASSERT(false);
|
|
return false;
|
|
#endif
|
|
}
|
|
case ImageFormat::MAC_IOSURFACE:
|
|
#ifdef XP_MACOSX
|
|
return BlitImage(srcImage->AsMacIOSurfaceImage(), destSize, destOrigin);
|
|
#else
|
|
MOZ_ASSERT(false);
|
|
return false;
|
|
#endif
|
|
|
|
case ImageFormat::GPU_VIDEO:
|
|
return BlitImage(static_cast<layers::GPUVideoImage*>(srcImage), destSize,
|
|
destOrigin);
|
|
#ifdef XP_WIN
|
|
case ImageFormat::D3D11_SHARE_HANDLE_TEXTURE:
|
|
return BlitImage(static_cast<layers::D3D11ShareHandleImage*>(srcImage),
|
|
destSize, destOrigin);
|
|
case ImageFormat::D3D11_TEXTURE_IMF_SAMPLE:
|
|
return BlitImage(
|
|
static_cast<layers::D3D11TextureIMFSampleImage*>(srcImage), destSize,
|
|
destOrigin);
|
|
case ImageFormat::D3D11_YCBCR_IMAGE:
|
|
return BlitImage(static_cast<layers::D3D11YCbCrImage*>(srcImage),
|
|
destSize, destOrigin);
|
|
case ImageFormat::D3D9_RGB32_TEXTURE:
|
|
return false; // todo
|
|
case ImageFormat::DCOMP_SURFACE:
|
|
return false;
|
|
#else
|
|
case ImageFormat::D3D11_SHARE_HANDLE_TEXTURE:
|
|
case ImageFormat::D3D11_TEXTURE_IMF_SAMPLE:
|
|
case ImageFormat::D3D11_YCBCR_IMAGE:
|
|
case ImageFormat::D3D9_RGB32_TEXTURE:
|
|
case ImageFormat::DCOMP_SURFACE:
|
|
MOZ_ASSERT(false);
|
|
return false;
|
|
#endif
|
|
case ImageFormat::DMABUF:
|
|
#ifdef MOZ_WIDGET_GTK
|
|
return BlitImage(static_cast<layers::DMABUFSurfaceImage*>(srcImage),
|
|
destSize, destOrigin);
|
|
#else
|
|
return false;
|
|
#endif
|
|
case ImageFormat::MOZ2D_SURFACE:
|
|
case ImageFormat::NV_IMAGE:
|
|
case ImageFormat::OVERLAY_IMAGE:
|
|
case ImageFormat::SHARED_RGB:
|
|
case ImageFormat::TEXTURE_WRAPPER:
|
|
return false; // todo
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// -------------------------------------
|
|
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
bool GLBlitHelper::Blit(const java::GeckoSurfaceTexture::Ref& surfaceTexture,
|
|
const gfx::IntSize& destSize,
|
|
const OriginPos destOrigin) const {
|
|
if (!surfaceTexture) {
|
|
return false;
|
|
}
|
|
|
|
const ScopedBindTextureUnit boundTU(mGL, LOCAL_GL_TEXTURE0);
|
|
|
|
if (!surfaceTexture->IsAttachedToGLContext((int64_t)mGL)) {
|
|
GLuint tex;
|
|
mGL->MakeCurrent();
|
|
mGL->fGenTextures(1, &tex);
|
|
|
|
if (NS_FAILED(surfaceTexture->AttachToGLContext((int64_t)mGL, tex))) {
|
|
mGL->fDeleteTextures(1, &tex);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const ScopedBindTexture savedTex(mGL, surfaceTexture->GetTexName(),
|
|
LOCAL_GL_TEXTURE_EXTERNAL);
|
|
surfaceTexture->UpdateTexImage();
|
|
const auto transform3 = Mat3::I();
|
|
// const auto srcOrigin = OriginPos::TopLeft;
|
|
const auto srcOrigin = OriginPos::BottomLeft;
|
|
const bool yFlip = (srcOrigin != destOrigin);
|
|
const auto& prog = GetDrawBlitProg(
|
|
{kFragHeader_TexExt, {kFragSample_OnePlane, kFragConvert_None}});
|
|
const DrawBlitProg::BaseArgs baseArgs = {transform3, yFlip, destSize,
|
|
Nothing()};
|
|
prog->Draw(baseArgs, nullptr);
|
|
|
|
if (surfaceTexture->IsSingleBuffer()) {
|
|
surfaceTexture->ReleaseTexImage();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
// -------------------------------------
|
|
|
|
bool GuessDivisors(const gfx::IntSize& ySize, const gfx::IntSize& uvSize,
|
|
gfx::IntSize* const out_divisors) {
|
|
const gfx::IntSize divisors((ySize.width == uvSize.width) ? 1 : 2,
|
|
(ySize.height == uvSize.height) ? 1 : 2);
|
|
if (uvSize.width * divisors.width != ySize.width ||
|
|
uvSize.height * divisors.height != ySize.height) {
|
|
return false;
|
|
}
|
|
*out_divisors = divisors;
|
|
return true;
|
|
}
|
|
|
|
bool GLBlitHelper::BlitPlanarYCbCr(const PlanarYCbCrData& yuvData,
|
|
const gfx::IntSize& destSize,
|
|
const OriginPos destOrigin) {
|
|
const auto& prog = GetDrawBlitProg(
|
|
{kFragHeader_Tex2D, {kFragSample_ThreePlane, kFragConvert_ColorMatrix}});
|
|
|
|
if (!mYuvUploads[0]) {
|
|
mGL->fGenTextures(3, mYuvUploads);
|
|
const ScopedBindTexture bindTex(mGL, mYuvUploads[0]);
|
|
mGL->TexParams_SetClampNoMips();
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mYuvUploads[1]);
|
|
mGL->TexParams_SetClampNoMips();
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mYuvUploads[2]);
|
|
mGL->TexParams_SetClampNoMips();
|
|
}
|
|
|
|
// --
|
|
|
|
auto ySize = yuvData.YDataSize();
|
|
auto cbcrSize = yuvData.CbCrDataSize();
|
|
if (yuvData.mYSkip || yuvData.mCbSkip || yuvData.mCrSkip || ySize.width < 0 ||
|
|
ySize.height < 0 || cbcrSize.width < 0 || cbcrSize.height < 0 ||
|
|
yuvData.mYStride < 0 || yuvData.mCbCrStride < 0) {
|
|
gfxCriticalError() << "Unusual PlanarYCbCrData: " << yuvData.mYSkip << ","
|
|
<< yuvData.mCbSkip << "," << yuvData.mCrSkip << ", "
|
|
<< ySize.width << "," << ySize.height << ", "
|
|
<< cbcrSize.width << "," << cbcrSize.height << ", "
|
|
<< yuvData.mYStride << "," << yuvData.mCbCrStride;
|
|
return false;
|
|
}
|
|
|
|
gfx::IntSize divisors;
|
|
switch (yuvData.mChromaSubsampling) {
|
|
case gfx::ChromaSubsampling::FULL:
|
|
divisors = gfx::IntSize(1, 1);
|
|
break;
|
|
case gfx::ChromaSubsampling::HALF_WIDTH:
|
|
divisors = gfx::IntSize(2, 1);
|
|
break;
|
|
case gfx::ChromaSubsampling::HALF_WIDTH_AND_HEIGHT:
|
|
divisors = gfx::IntSize(2, 2);
|
|
break;
|
|
default:
|
|
gfxCriticalError() << "Unknown chroma subsampling:"
|
|
<< int(yuvData.mChromaSubsampling);
|
|
return false;
|
|
}
|
|
|
|
// --
|
|
|
|
// RED textures aren't valid in GLES2, and ALPHA textures are not valid in
|
|
// desktop GL Core Profiles. So use R8 textures on GL3.0+ and GLES3.0+, but
|
|
// LUMINANCE/LUMINANCE/UNSIGNED_BYTE otherwise.
|
|
GLenum internalFormat;
|
|
GLenum unpackFormat;
|
|
if (mGL->IsAtLeast(gl::ContextProfile::OpenGLCore, 300) ||
|
|
mGL->IsAtLeast(gl::ContextProfile::OpenGLES, 300)) {
|
|
internalFormat = LOCAL_GL_R8;
|
|
unpackFormat = LOCAL_GL_RED;
|
|
} else {
|
|
internalFormat = LOCAL_GL_LUMINANCE;
|
|
unpackFormat = LOCAL_GL_LUMINANCE;
|
|
}
|
|
|
|
// --
|
|
|
|
const ScopedSaveMultiTex saveTex(mGL, {0, 1, 2}, LOCAL_GL_TEXTURE_2D);
|
|
const ResetUnpackState reset(mGL);
|
|
const gfx::IntSize yTexSize(yuvData.mYStride, yuvData.YDataSize().height);
|
|
const gfx::IntSize uvTexSize(yuvData.mCbCrStride,
|
|
yuvData.CbCrDataSize().height);
|
|
|
|
if (yTexSize != mYuvUploads_YSize || uvTexSize != mYuvUploads_UVSize) {
|
|
mYuvUploads_YSize = yTexSize;
|
|
mYuvUploads_UVSize = uvTexSize;
|
|
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mYuvUploads[0]);
|
|
mGL->fTexImage2D(LOCAL_GL_TEXTURE_2D, 0, internalFormat, yTexSize.width,
|
|
yTexSize.height, 0, unpackFormat, LOCAL_GL_UNSIGNED_BYTE,
|
|
nullptr);
|
|
for (int i = 1; i < 3; i++) {
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE0 + i);
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mYuvUploads[i]);
|
|
mGL->fTexImage2D(LOCAL_GL_TEXTURE_2D, 0, internalFormat, uvTexSize.width,
|
|
uvTexSize.height, 0, unpackFormat,
|
|
LOCAL_GL_UNSIGNED_BYTE, nullptr);
|
|
}
|
|
}
|
|
|
|
// --
|
|
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mYuvUploads[0]);
|
|
mGL->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0, 0, 0, yTexSize.width,
|
|
yTexSize.height, unpackFormat, LOCAL_GL_UNSIGNED_BYTE,
|
|
yuvData.mYChannel);
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE1);
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mYuvUploads[1]);
|
|
mGL->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0, 0, 0, uvTexSize.width,
|
|
uvTexSize.height, unpackFormat, LOCAL_GL_UNSIGNED_BYTE,
|
|
yuvData.mCbChannel);
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE2);
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mYuvUploads[2]);
|
|
mGL->fTexSubImage2D(LOCAL_GL_TEXTURE_2D, 0, 0, 0, uvTexSize.width,
|
|
uvTexSize.height, unpackFormat, LOCAL_GL_UNSIGNED_BYTE,
|
|
yuvData.mCrChannel);
|
|
|
|
// --
|
|
|
|
const auto& clipRect = yuvData.mPictureRect;
|
|
const auto srcOrigin = OriginPos::BottomLeft;
|
|
const bool yFlip = (destOrigin != srcOrigin);
|
|
|
|
const DrawBlitProg::BaseArgs baseArgs = {SubRectMat3(clipRect, yTexSize),
|
|
yFlip, destSize, Nothing()};
|
|
const DrawBlitProg::YUVArgs yuvArgs = {
|
|
SubRectMat3(clipRect, uvTexSize, divisors), Some(yuvData.mYUVColorSpace)};
|
|
prog->Draw(baseArgs, &yuvArgs);
|
|
return true;
|
|
}
|
|
|
|
// -------------------------------------
|
|
|
|
#ifdef XP_MACOSX
|
|
bool GLBlitHelper::BlitImage(layers::MacIOSurfaceImage* const srcImage,
|
|
const gfx::IntSize& destSize,
|
|
const OriginPos destOrigin) const {
|
|
return BlitImage(srcImage->GetSurface(), destSize, destOrigin);
|
|
}
|
|
|
|
static std::string IntAsAscii(const int x) {
|
|
std::string str;
|
|
str.reserve(6);
|
|
auto u = static_cast<unsigned int>(x);
|
|
while (u) {
|
|
str.insert(str.begin(), u & 0xff);
|
|
u >>= 8;
|
|
}
|
|
str.insert(str.begin(), '\'');
|
|
str.push_back('\'');
|
|
return str;
|
|
}
|
|
|
|
bool GLBlitHelper::BlitImage(MacIOSurface* const iosurf,
|
|
const gfx::IntSize& destSize,
|
|
const OriginPos destOrigin) const {
|
|
if (!iosurf) {
|
|
gfxCriticalError() << "Null MacIOSurface for GLBlitHelper::BlitImage";
|
|
return false;
|
|
}
|
|
if (mGL->GetContextType() != GLContextType::CGL) {
|
|
MOZ_ASSERT(false);
|
|
return false;
|
|
}
|
|
const auto glCGL = static_cast<GLContextCGL*>(mGL);
|
|
const auto cglContext = glCGL->GetCGLContext();
|
|
|
|
const auto& srcOrigin = OriginPos::BottomLeft;
|
|
|
|
DrawBlitProg::BaseArgs baseArgs;
|
|
baseArgs.yFlip = (destOrigin != srcOrigin);
|
|
baseArgs.destSize = destSize;
|
|
|
|
// TODO: The colorspace is known by the IOSurface, why override it?
|
|
// See GetYUVColorSpace/GetFullRange()
|
|
DrawBlitProg::YUVArgs yuvArgs;
|
|
yuvArgs.colorSpaceForMatrix = Some(iosurf->GetYUVColorSpace());
|
|
|
|
const DrawBlitProg::YUVArgs* pYuvArgs = nullptr;
|
|
|
|
auto planes = iosurf->GetPlaneCount();
|
|
if (!planes) {
|
|
planes = 1; // Bad API. No cookie.
|
|
}
|
|
|
|
const GLenum texTarget = LOCAL_GL_TEXTURE_RECTANGLE;
|
|
|
|
std::vector<uint8_t> texUnits;
|
|
for (uint8_t i = 0; i < planes; i++) {
|
|
texUnits.push_back(i);
|
|
}
|
|
const ScopedSaveMultiTex saveTex(mGL, texUnits, texTarget);
|
|
const ScopedTexture tex0(mGL);
|
|
const ScopedTexture tex1(mGL);
|
|
const ScopedTexture tex2(mGL);
|
|
const GLuint texs[3] = {tex0, tex1, tex2};
|
|
|
|
const auto pixelFormat = iosurf->GetPixelFormat();
|
|
if (mGL->ShouldSpew()) {
|
|
const auto formatStr = IntAsAscii(pixelFormat);
|
|
printf_stderr("iosurf format: %s (0x%08x)\n", formatStr.c_str(),
|
|
pixelFormat);
|
|
}
|
|
|
|
const char* fragSample;
|
|
switch (planes) {
|
|
case 1:
|
|
switch (pixelFormat) {
|
|
case kCVPixelFormatType_24RGB:
|
|
case kCVPixelFormatType_24BGR:
|
|
case kCVPixelFormatType_32ARGB:
|
|
case kCVPixelFormatType_32BGRA:
|
|
case kCVPixelFormatType_32ABGR:
|
|
case kCVPixelFormatType_32RGBA:
|
|
case kCVPixelFormatType_64ARGB:
|
|
case kCVPixelFormatType_48RGB:
|
|
fragSample = kFragSample_OnePlane;
|
|
break;
|
|
case kCVPixelFormatType_422YpCbCr8:
|
|
case kCVPixelFormatType_422YpCbCr8_yuvs:
|
|
fragSample = kFragSample_OnePlane_YUV_via_GBR;
|
|
pYuvArgs = &yuvArgs;
|
|
break;
|
|
default: {
|
|
std::string str;
|
|
if (pixelFormat <= 0xff) {
|
|
str = std::to_string(pixelFormat);
|
|
} else {
|
|
str = IntAsAscii(pixelFormat);
|
|
}
|
|
gfxCriticalError() << "Unhandled kCVPixelFormatType_*: " << str;
|
|
// Probably YUV though
|
|
fragSample = kFragSample_OnePlane_YUV_via_GBR;
|
|
pYuvArgs = &yuvArgs;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
fragSample = kFragSample_TwoPlane;
|
|
pYuvArgs = &yuvArgs;
|
|
break;
|
|
case 3:
|
|
fragSample = kFragSample_ThreePlane;
|
|
pYuvArgs = &yuvArgs;
|
|
break;
|
|
default:
|
|
gfxCriticalError() << "Unexpected plane count: " << planes;
|
|
return false;
|
|
}
|
|
|
|
for (uint32_t p = 0; p < planes; p++) {
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE0 + p);
|
|
mGL->fBindTexture(texTarget, texs[p]);
|
|
mGL->TexParams_SetClampNoMips(texTarget);
|
|
|
|
auto err = iosurf->CGLTexImageIOSurface2D(mGL, cglContext, p);
|
|
if (err) {
|
|
return false;
|
|
}
|
|
|
|
if (p == 0) {
|
|
const auto width = iosurf->GetDevicePixelWidth(p);
|
|
const auto height = iosurf->GetDevicePixelHeight(p);
|
|
baseArgs.texMatrix0 = SubRectMat3(0, 0, width, height);
|
|
yuvArgs.texMatrix1 = SubRectMat3(0, 0, width / 2.0, height / 2.0);
|
|
}
|
|
}
|
|
|
|
const auto& prog = GetDrawBlitProg({
|
|
kFragHeader_Tex2DRect,
|
|
{fragSample, kFragConvert_ColorMatrix},
|
|
});
|
|
prog->Draw(baseArgs, pYuvArgs);
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GLBlitHelper::DrawBlitTextureToFramebuffer(const GLuint srcTex,
|
|
const gfx::IntSize& srcSize,
|
|
const gfx::IntSize& destSize,
|
|
const GLenum srcTarget,
|
|
const bool srcIsBGRA) const {
|
|
const char* fragHeader = nullptr;
|
|
Mat3 texMatrix0;
|
|
switch (srcTarget) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
fragHeader = kFragHeader_Tex2D;
|
|
texMatrix0 = Mat3::I();
|
|
break;
|
|
case LOCAL_GL_TEXTURE_RECTANGLE_ARB:
|
|
fragHeader = kFragHeader_Tex2DRect;
|
|
texMatrix0 = SubRectMat3(0, 0, srcSize.width, srcSize.height);
|
|
break;
|
|
default:
|
|
gfxCriticalError() << "Unexpected srcTarget: " << srcTarget;
|
|
return;
|
|
}
|
|
const auto fragConvert = srcIsBGRA ? kFragConvert_BGR : kFragConvert_None;
|
|
const auto& prog = GetDrawBlitProg({
|
|
fragHeader,
|
|
{kFragSample_OnePlane, fragConvert},
|
|
});
|
|
|
|
const ScopedSaveMultiTex saveTex(mGL, {0}, srcTarget);
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
mGL->fBindTexture(srcTarget, srcTex);
|
|
|
|
const bool yFlip = false;
|
|
const DrawBlitProg::BaseArgs baseArgs = {texMatrix0, yFlip, destSize,
|
|
Nothing()};
|
|
prog->Draw(baseArgs);
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void GLBlitHelper::BlitFramebuffer(const gfx::IntRect& srcRect,
|
|
const gfx::IntRect& destRect,
|
|
GLuint filter) const {
|
|
MOZ_ASSERT(mGL->IsSupported(GLFeature::framebuffer_blit));
|
|
|
|
const ScopedGLState scissor(mGL, LOCAL_GL_SCISSOR_TEST, false);
|
|
mGL->fBlitFramebuffer(srcRect.x, srcRect.y, srcRect.XMost(), srcRect.YMost(),
|
|
destRect.x, destRect.y, destRect.XMost(),
|
|
destRect.YMost(), LOCAL_GL_COLOR_BUFFER_BIT, filter);
|
|
}
|
|
|
|
// --
|
|
|
|
void GLBlitHelper::BlitFramebufferToFramebuffer(const GLuint srcFB,
|
|
const GLuint destFB,
|
|
const gfx::IntRect& srcRect,
|
|
const gfx::IntRect& destRect,
|
|
GLuint filter) const {
|
|
MOZ_ASSERT(mGL->IsSupported(GLFeature::framebuffer_blit));
|
|
MOZ_GL_ASSERT(mGL, !srcFB || mGL->fIsFramebuffer(srcFB));
|
|
MOZ_GL_ASSERT(mGL, !destFB || mGL->fIsFramebuffer(destFB));
|
|
|
|
const ScopedBindFramebuffer boundFB(mGL);
|
|
mGL->fBindFramebuffer(LOCAL_GL_READ_FRAMEBUFFER, srcFB);
|
|
mGL->fBindFramebuffer(LOCAL_GL_DRAW_FRAMEBUFFER, destFB);
|
|
|
|
BlitFramebuffer(srcRect, destRect, filter);
|
|
}
|
|
|
|
void GLBlitHelper::BlitTextureToFramebuffer(GLuint srcTex,
|
|
const gfx::IntSize& srcSize,
|
|
const gfx::IntSize& destSize,
|
|
GLenum srcTarget) const {
|
|
MOZ_GL_ASSERT(mGL, mGL->fIsTexture(srcTex));
|
|
|
|
if (mGL->IsSupported(GLFeature::framebuffer_blit)) {
|
|
const ScopedFramebufferForTexture srcWrapper(mGL, srcTex, srcTarget);
|
|
const ScopedBindFramebuffer bindFB(mGL);
|
|
mGL->fBindFramebuffer(LOCAL_GL_READ_FRAMEBUFFER, srcWrapper.FB());
|
|
BlitFramebuffer(gfx::IntRect({}, srcSize), gfx::IntRect({}, destSize));
|
|
return;
|
|
}
|
|
|
|
DrawBlitTextureToFramebuffer(srcTex, srcSize, destSize, srcTarget);
|
|
}
|
|
|
|
void GLBlitHelper::BlitFramebufferToTexture(GLuint destTex,
|
|
const gfx::IntSize& srcSize,
|
|
const gfx::IntSize& destSize,
|
|
GLenum destTarget) const {
|
|
MOZ_GL_ASSERT(mGL, mGL->fIsTexture(destTex));
|
|
|
|
if (mGL->IsSupported(GLFeature::framebuffer_blit)) {
|
|
const ScopedFramebufferForTexture destWrapper(mGL, destTex, destTarget);
|
|
const ScopedBindFramebuffer bindFB(mGL);
|
|
mGL->fBindFramebuffer(LOCAL_GL_DRAW_FRAMEBUFFER, destWrapper.FB());
|
|
BlitFramebuffer(gfx::IntRect({}, srcSize), gfx::IntRect({}, destSize));
|
|
return;
|
|
}
|
|
|
|
ScopedBindTexture autoTex(mGL, destTex, destTarget);
|
|
ScopedGLState scissor(mGL, LOCAL_GL_SCISSOR_TEST, false);
|
|
mGL->fCopyTexSubImage2D(destTarget, 0, 0, 0, 0, 0, srcSize.width,
|
|
srcSize.height);
|
|
}
|
|
|
|
void GLBlitHelper::BlitTextureToTexture(GLuint srcTex, GLuint destTex,
|
|
const gfx::IntSize& srcSize,
|
|
const gfx::IntSize& destSize,
|
|
GLenum srcTarget,
|
|
GLenum destTarget) const {
|
|
MOZ_GL_ASSERT(mGL, mGL->fIsTexture(srcTex));
|
|
MOZ_GL_ASSERT(mGL, mGL->fIsTexture(destTex));
|
|
|
|
// Start down the CopyTexSubImage path, not the DrawBlit path.
|
|
const ScopedFramebufferForTexture srcWrapper(mGL, srcTex, srcTarget);
|
|
const ScopedBindFramebuffer bindFB(mGL, srcWrapper.FB());
|
|
BlitFramebufferToTexture(destTex, srcSize, destSize, destTarget);
|
|
}
|
|
|
|
// -------------------------------------
|
|
|
|
bool GLBlitHelper::BlitImage(layers::GPUVideoImage* const srcImage,
|
|
const gfx::IntSize& destSize,
|
|
const OriginPos destOrigin) const {
|
|
const auto& data = srcImage->GetData();
|
|
if (!data) return false;
|
|
|
|
const auto& desc = data->SD();
|
|
|
|
MOZ_ASSERT(
|
|
desc.type() ==
|
|
layers::SurfaceDescriptorGPUVideo::TSurfaceDescriptorRemoteDecoder);
|
|
const auto& subdescUnion =
|
|
desc.get_SurfaceDescriptorRemoteDecoder().subdesc();
|
|
switch (subdescUnion.type()) {
|
|
#ifdef MOZ_WIDGET_GTK
|
|
case layers::RemoteDecoderVideoSubDescriptor::TSurfaceDescriptorDMABuf: {
|
|
const auto& subdesc = subdescUnion.get_SurfaceDescriptorDMABuf();
|
|
RefPtr<DMABufSurface> surface =
|
|
DMABufSurface::CreateDMABufSurface(subdesc);
|
|
return Blit(surface, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
#ifdef XP_WIN
|
|
case layers::RemoteDecoderVideoSubDescriptor::TSurfaceDescriptorD3D10: {
|
|
const auto& subdesc = subdescUnion.get_SurfaceDescriptorD3D10();
|
|
return BlitDescriptor(subdesc, destSize, destOrigin);
|
|
}
|
|
case layers::RemoteDecoderVideoSubDescriptor::TSurfaceDescriptorDXGIYCbCr: {
|
|
const auto& subdesc = subdescUnion.get_SurfaceDescriptorDXGIYCbCr();
|
|
return BlitDescriptor(subdesc, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
#ifdef XP_MACOSX
|
|
case layers::RemoteDecoderVideoSubDescriptor::
|
|
TSurfaceDescriptorMacIOSurface: {
|
|
const auto& subdesc = subdescUnion.get_SurfaceDescriptorMacIOSurface();
|
|
RefPtr<MacIOSurface> surface = MacIOSurface::LookupSurface(
|
|
subdesc.surfaceId(), !subdesc.isOpaque(), subdesc.yUVColorSpace());
|
|
MOZ_ASSERT(surface);
|
|
if (!surface) {
|
|
return false;
|
|
}
|
|
return BlitImage(surface, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
case layers::RemoteDecoderVideoSubDescriptor::Tnull_t:
|
|
// This GPUVideoImage isn't directly readable outside the GPU process.
|
|
// Abort.
|
|
return false;
|
|
default:
|
|
gfxCriticalError() << "Unhandled subdesc type: "
|
|
<< uint32_t(subdescUnion.type());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// -------------------------------------
|
|
#ifdef MOZ_WIDGET_GTK
|
|
bool GLBlitHelper::Blit(DMABufSurface* surface, const gfx::IntSize& destSize,
|
|
OriginPos destOrigin) const {
|
|
const auto& srcOrigin = OriginPos::BottomLeft;
|
|
|
|
DrawBlitProg::BaseArgs baseArgs;
|
|
baseArgs.yFlip = (destOrigin != srcOrigin);
|
|
baseArgs.destSize = destSize;
|
|
|
|
// TODO: The colorspace is known by the DMABUFSurface, why override it?
|
|
// See GetYUVColorSpace/GetFullRange()
|
|
DrawBlitProg::YUVArgs yuvArgs;
|
|
yuvArgs.colorSpaceForMatrix = Some(surface->GetYUVColorSpace());
|
|
|
|
const DrawBlitProg::YUVArgs* pYuvArgs = nullptr;
|
|
const auto planes = surface->GetTextureCount();
|
|
|
|
// -
|
|
// Ensure textures for all planes have been created.
|
|
|
|
const bool createTextures = [&]() {
|
|
for (int i = 0; i < planes; i++) {
|
|
if (!surface->GetTexture(i)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}();
|
|
|
|
bool didCreateTexture = false;
|
|
auto releaseTextures = mozilla::MakeScopeExit([&] {
|
|
if (didCreateTexture) {
|
|
surface->ReleaseTextures();
|
|
}
|
|
});
|
|
|
|
if (createTextures) {
|
|
for (int i = 0; i < planes; i++) {
|
|
if (surface->GetTexture(i)) {
|
|
continue;
|
|
}
|
|
if (!surface->CreateTexture(mGL, i)) {
|
|
LOGDMABUF(("GLBlitHelper::Blit(): Failed to create DMABuf textures."));
|
|
return false;
|
|
}
|
|
didCreateTexture = true;
|
|
}
|
|
}
|
|
|
|
// -
|
|
|
|
const GLenum texTarget = LOCAL_GL_TEXTURE_2D;
|
|
|
|
std::vector<uint8_t> texUnits;
|
|
for (uint8_t i = 0; i < planes; i++) {
|
|
texUnits.push_back(i);
|
|
}
|
|
const ScopedSaveMultiTex saveTex(mGL, texUnits, texTarget);
|
|
const auto pixelFormat = surface->GetSurfaceType();
|
|
|
|
const char* fragSample;
|
|
auto fragConvert = kFragConvert_None;
|
|
switch (pixelFormat) {
|
|
case DMABufSurface::SURFACE_RGBA:
|
|
fragSample = kFragSample_OnePlane;
|
|
break;
|
|
case DMABufSurface::SURFACE_NV12:
|
|
fragSample = kFragSample_TwoPlane;
|
|
pYuvArgs = &yuvArgs;
|
|
fragConvert = kFragConvert_ColorMatrix;
|
|
break;
|
|
case DMABufSurface::SURFACE_YUV420:
|
|
fragSample = kFragSample_ThreePlane;
|
|
pYuvArgs = &yuvArgs;
|
|
fragConvert = kFragConvert_ColorMatrix;
|
|
break;
|
|
default:
|
|
gfxCriticalError() << "Unexpected pixel format: " << pixelFormat;
|
|
return false;
|
|
}
|
|
|
|
for (const auto p : IntegerRange(planes)) {
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE0 + p);
|
|
mGL->fBindTexture(texTarget, surface->GetTexture(p));
|
|
mGL->TexParams_SetClampNoMips(texTarget);
|
|
}
|
|
|
|
// We support only NV12/YUV420 formats only with 1/2 texture scale.
|
|
// We don't set cliprect as DMABus textures are created without padding.
|
|
baseArgs.texMatrix0 = SubRectMat3(0, 0, 1, 1);
|
|
yuvArgs.texMatrix1 = SubRectMat3(0, 0, 1, 1);
|
|
|
|
const auto& prog =
|
|
GetDrawBlitProg({kFragHeader_Tex2D, {fragSample, fragConvert}});
|
|
prog->Draw(baseArgs, pYuvArgs);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GLBlitHelper::BlitImage(layers::DMABUFSurfaceImage* srcImage,
|
|
const gfx::IntSize& destSize,
|
|
OriginPos destOrigin) const {
|
|
DMABufSurface* surface = srcImage->GetSurface();
|
|
if (!surface) {
|
|
gfxCriticalError() << "Null DMABUFSurface for GLBlitHelper::BlitImage";
|
|
return false;
|
|
}
|
|
return Blit(surface, destSize, destOrigin);
|
|
}
|
|
#endif
|
|
|
|
// -
|
|
|
|
template <size_t N>
|
|
static void PushUnorm(uint32_t* const out, const float inVal) {
|
|
const uint32_t mask = (1 << N) - 1;
|
|
auto fval = inVal;
|
|
fval = std::max(0.0f, std::min(fval, 1.0f));
|
|
fval *= mask;
|
|
fval = roundf(fval);
|
|
auto ival = static_cast<uint32_t>(fval);
|
|
ival &= mask;
|
|
|
|
*out <<= N;
|
|
*out |= ival;
|
|
}
|
|
|
|
static uint32_t toRgb10A2(const color::vec4& val) {
|
|
// R in LSB
|
|
uint32_t ret = 0;
|
|
PushUnorm<2>(&ret, val.w());
|
|
PushUnorm<10>(&ret, val.z());
|
|
PushUnorm<10>(&ret, val.y());
|
|
PushUnorm<10>(&ret, val.x());
|
|
return ret;
|
|
}
|
|
|
|
std::shared_ptr<gl::Texture> GLBlitHelper::GetColorLutTex(
|
|
const ColorLutKey& key) const {
|
|
auto& weak = mColorLutTexMap[key];
|
|
auto strong = weak.lock();
|
|
if (!strong) {
|
|
auto& gl = *mGL;
|
|
strong = std::make_shared<gl::Texture>(gl);
|
|
weak = strong;
|
|
|
|
const auto ct = color::ColorspaceTransform::Create(key.src, key.dst);
|
|
|
|
// -
|
|
|
|
const auto minLutSize = color::ivec3{2};
|
|
const auto maxLutSize = color::ivec3{256};
|
|
auto lutSize = minLutSize;
|
|
if (ct.srcSpace.yuv) {
|
|
lutSize.x(int(StaticPrefs::gfx_blithelper_lut_size_ycbcr_y()));
|
|
lutSize.y(int(StaticPrefs::gfx_blithelper_lut_size_ycbcr_cb()));
|
|
lutSize.z(int(StaticPrefs::gfx_blithelper_lut_size_ycbcr_cr()));
|
|
} else {
|
|
lutSize.x(int(StaticPrefs::gfx_blithelper_lut_size_rgb_r()));
|
|
lutSize.y(int(StaticPrefs::gfx_blithelper_lut_size_rgb_g()));
|
|
lutSize.z(int(StaticPrefs::gfx_blithelper_lut_size_rgb_b()));
|
|
}
|
|
lutSize = max(minLutSize, min(lutSize, maxLutSize)); // Clamp
|
|
|
|
const auto lut = ct.ToLut3(lutSize);
|
|
const auto& size = lut.size;
|
|
|
|
// -
|
|
|
|
constexpr GLenum target = LOCAL_GL_TEXTURE_3D;
|
|
const auto bind = gl::ScopedBindTexture(&gl, strong->name, target);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_WRAP_R, LOCAL_GL_CLAMP_TO_EDGE);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
|
|
gl.fTexParameteri(target, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
|
|
|
|
bool useFloat16 = true;
|
|
if (useFloat16) {
|
|
// Use rgba16f, which we can thankfully upload as rgba32f
|
|
static_assert(sizeof(color::vec4) == sizeof(float) * 4);
|
|
std::vector<color::vec4> uploadData;
|
|
uploadData.reserve(lut.data.size());
|
|
for (const auto& src : lut.data) {
|
|
const auto dst = color::vec4{src, 1};
|
|
uploadData.push_back(dst);
|
|
}
|
|
|
|
gl.fTexStorage3D(target, 1, LOCAL_GL_RGBA16F, size.x(), size.y(),
|
|
size.z());
|
|
gl.fTexSubImage3D(target, 0, 0, 0, 0, size.x(), size.y(), size.z(),
|
|
LOCAL_GL_RGBA, LOCAL_GL_FLOAT, uploadData.data());
|
|
} else {
|
|
// Use Rgb10A2
|
|
std::vector<uint32_t> uploadData;
|
|
uploadData.reserve(lut.data.size());
|
|
for (const auto& src : lut.data) {
|
|
const auto dst = toRgb10A2({src, 1});
|
|
uploadData.push_back(dst);
|
|
}
|
|
|
|
gl.fTexStorage3D(target, 1, LOCAL_GL_RGB10_A2, size.x(), size.y(),
|
|
size.z());
|
|
gl.fTexSubImage3D(target, 0, 0, 0, 0, size.x(), size.y(), size.z(),
|
|
LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV,
|
|
uploadData.data());
|
|
}
|
|
}
|
|
return strong;
|
|
}
|
|
|
|
} // namespace gl
|
|
} // namespace mozilla
|