mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 07:13:20 +00:00
1023 lines
31 KiB
C++
1023 lines
31 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "WebGLExtensions.h"
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#include "GLContext.h"
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#include "mozilla/dom/WebGLRenderingContextBinding.h"
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#include "mozilla/StaticPrefs_webgl.h"
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#include "WebGLContext.h"
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namespace mozilla {
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WebGLExtensionBlendMinMax::WebGLExtensionBlendMinMax(WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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}
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bool WebGLExtensionBlendMinMax::IsSupported(const WebGLContext* webgl) {
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if (webgl->IsWebGL2()) return false;
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return webgl->GL()->IsSupported(gl::GLFeature::blend_minmax);
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}
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// -
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WebGLExtensionColorBufferFloat::WebGLExtensionColorBufferFloat(
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WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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SetRenderable(webgl::FormatRenderableState::Implicit(
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WebGLExtensionID::WEBGL_color_buffer_float));
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}
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void WebGLExtensionColorBufferFloat::SetRenderable(
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const webgl::FormatRenderableState state) {
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auto& fua = mContext->mFormatUsage;
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auto fnUpdateUsage = [&](GLenum sizedFormat,
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webgl::EffectiveFormat effFormat) {
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auto usage = fua->EditUsage(effFormat);
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usage->SetRenderable(state);
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fua->AllowRBFormat(sizedFormat, usage);
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};
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#define FOO(x) fnUpdateUsage(LOCAL_GL_##x, webgl::EffectiveFormat::x)
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// The extension doesn't actually add RGB32F; only RGBA32F.
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FOO(RGBA32F);
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#undef FOO
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}
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void WebGLExtensionColorBufferFloat::OnSetExplicit() {
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SetRenderable(webgl::FormatRenderableState::Explicit());
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}
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bool WebGLExtensionColorBufferFloat::IsSupported(const WebGLContext* webgl) {
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if (webgl->IsWebGL2()) return false;
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const auto& gl = webgl->gl;
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return gl->IsSupported(gl::GLFeature::renderbuffer_color_float) &&
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gl->IsSupported(gl::GLFeature::frag_color_float);
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}
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// -
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WebGLExtensionColorBufferHalfFloat::WebGLExtensionColorBufferHalfFloat(
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WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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SetRenderable(webgl::FormatRenderableState::Implicit(
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WebGLExtensionID::EXT_color_buffer_half_float));
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}
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void WebGLExtensionColorBufferHalfFloat::SetRenderable(
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const webgl::FormatRenderableState state) {
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auto& fua = mContext->mFormatUsage;
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auto fnUpdateUsage = [&](GLenum sizedFormat, webgl::EffectiveFormat effFormat,
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const bool renderable) {
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auto usage = fua->EditUsage(effFormat);
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if (renderable) {
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usage->SetRenderable(state);
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}
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fua->AllowRBFormat(sizedFormat, usage, renderable);
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};
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#define FOO(x, y) fnUpdateUsage(LOCAL_GL_##x, webgl::EffectiveFormat::x, y)
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FOO(RGBA16F, true);
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FOO(RGB16F, false); // It's not required, thus not portable. (Also there's a
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// wicked driver bug on Mac+Intel)
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#undef FOO
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}
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void WebGLExtensionColorBufferHalfFloat::OnSetExplicit() {
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SetRenderable(webgl::FormatRenderableState::Explicit());
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}
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bool WebGLExtensionColorBufferHalfFloat::IsSupported(
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const WebGLContext* webgl) {
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if (webgl->IsWebGL2()) return false;
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const auto& gl = webgl->gl;
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return gl->IsSupported(gl::GLFeature::renderbuffer_color_half_float) &&
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gl->IsSupported(gl::GLFeature::frag_color_float);
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}
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// -
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WebGLExtensionCompressedTextureASTC::WebGLExtensionCompressedTextureASTC(
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WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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RefPtr<WebGLContext> webgl_ = webgl; // Bug 1201275
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const auto fnAdd = [&webgl_](GLenum sizedFormat,
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webgl::EffectiveFormat effFormat) {
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auto& fua = webgl_->mFormatUsage;
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_4x4_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_5x4_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_5x5_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_6x5_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_6x6_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x5_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x6_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_8x8_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x5_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x6_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x8_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_10x10_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_12x10_KHR));
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fnAdd(FOO(COMPRESSED_RGBA_ASTC_12x12_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR));
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR));
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#undef FOO
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}
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bool WebGLExtensionCompressedTextureASTC::IsSupported(
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const WebGLContext* webgl) {
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gl::GLContext* gl = webgl->GL();
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return gl->IsExtensionSupported(
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gl::GLContext::KHR_texture_compression_astc_ldr);
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}
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// -
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WebGLExtensionCompressedTextureBPTC::WebGLExtensionCompressedTextureBPTC(
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WebGLContext* const webgl)
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: WebGLExtensionBase(webgl) {
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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auto& fua = webgl->mFormatUsage;
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const auto fnAdd = [&](const GLenum sizedFormat,
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const webgl::EffectiveFormat effFormat) {
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define _(X) LOCAL_GL_##X, webgl::EffectiveFormat::X
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fnAdd(_(COMPRESSED_RGBA_BPTC_UNORM));
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fnAdd(_(COMPRESSED_SRGB_ALPHA_BPTC_UNORM));
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fnAdd(_(COMPRESSED_RGB_BPTC_SIGNED_FLOAT));
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fnAdd(_(COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT));
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#undef _
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}
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bool WebGLExtensionCompressedTextureBPTC::IsSupported(
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const WebGLContext* const webgl) {
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return webgl->gl->IsSupported(gl::GLFeature::texture_compression_bptc);
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}
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// -
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WebGLExtensionCompressedTextureES3::WebGLExtensionCompressedTextureES3(
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WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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// GLES 3.0.4, p147, table 3.19
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// GLES 3.0.4, p286+, $C.1 "ETC Compressed Texture Image Formats"
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// Note that all compressed texture formats are filterable:
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// GLES 3.0.4 p161:
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// "[A] texture is complete unless any of the following conditions hold true:
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// [...]
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// * The effective internal format specified for the texture arrays is a
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// sized internal color format that is not texture-filterable (see table
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// 3.13) and [the mag filter requires filtering]."
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// Compressed formats are not sized internal color formats, and indeed they
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// are not listed in table 3.13.
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RefPtr<WebGLContext> webgl_ = webgl; // Bug 1201275
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const auto fnAdd = [&webgl_](GLenum sizedFormat,
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webgl::EffectiveFormat effFormat) {
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auto& fua = webgl_->mFormatUsage;
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
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fnAdd(FOO(COMPRESSED_R11_EAC));
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fnAdd(FOO(COMPRESSED_SIGNED_R11_EAC));
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fnAdd(FOO(COMPRESSED_RG11_EAC));
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fnAdd(FOO(COMPRESSED_SIGNED_RG11_EAC));
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fnAdd(FOO(COMPRESSED_RGB8_ETC2));
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fnAdd(FOO(COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2));
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fnAdd(FOO(COMPRESSED_RGBA8_ETC2_EAC));
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// sRGB support is manadatory in GL 4.3 and GL ES 3.0, which are the only
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// versions to support ETC2.
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fnAdd(FOO(COMPRESSED_SRGB8_ALPHA8_ETC2_EAC));
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fnAdd(FOO(COMPRESSED_SRGB8_ETC2));
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fnAdd(FOO(COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2));
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#undef FOO
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}
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// -
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WebGLExtensionCompressedTextureETC1::WebGLExtensionCompressedTextureETC1(
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WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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RefPtr<WebGLContext> webgl_ = webgl; // Bug 1201275
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const auto fnAdd = [&webgl_](GLenum sizedFormat,
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webgl::EffectiveFormat effFormat) {
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auto& fua = webgl_->mFormatUsage;
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
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fnAdd(FOO(ETC1_RGB8_OES));
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#undef FOO
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}
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// -
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WebGLExtensionCompressedTexturePVRTC::WebGLExtensionCompressedTexturePVRTC(
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WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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RefPtr<WebGLContext> webgl_ = webgl; // Bug 1201275
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const auto fnAdd = [&webgl_](GLenum sizedFormat,
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webgl::EffectiveFormat effFormat) {
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auto& fua = webgl_->mFormatUsage;
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
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fnAdd(FOO(COMPRESSED_RGB_PVRTC_4BPPV1));
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fnAdd(FOO(COMPRESSED_RGB_PVRTC_2BPPV1));
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fnAdd(FOO(COMPRESSED_RGBA_PVRTC_4BPPV1));
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fnAdd(FOO(COMPRESSED_RGBA_PVRTC_2BPPV1));
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#undef FOO
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}
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// -
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WebGLExtensionCompressedTextureRGTC::WebGLExtensionCompressedTextureRGTC(
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WebGLContext* const webgl)
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: WebGLExtensionBase(webgl) {
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MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
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auto& fua = webgl->mFormatUsage;
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const auto fnAdd = [&](const GLenum sizedFormat,
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const webgl::EffectiveFormat effFormat) {
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define _(X) LOCAL_GL_##X, webgl::EffectiveFormat::X
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fnAdd(_(COMPRESSED_RED_RGTC1));
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fnAdd(_(COMPRESSED_SIGNED_RED_RGTC1));
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fnAdd(_(COMPRESSED_RG_RGTC2));
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fnAdd(_(COMPRESSED_SIGNED_RG_RGTC2));
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#undef _
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}
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bool WebGLExtensionCompressedTextureRGTC::IsSupported(
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const WebGLContext* const webgl) {
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return webgl->gl->IsSupported(gl::GLFeature::texture_compression_rgtc);
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}
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// -
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WebGLExtensionCompressedTextureS3TC::WebGLExtensionCompressedTextureS3TC(
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WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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RefPtr<WebGLContext> webgl_ = webgl; // Bug 1201275
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const auto fnAdd = [&webgl_](GLenum sizedFormat,
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webgl::EffectiveFormat effFormat) {
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auto& fua = webgl_->mFormatUsage;
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
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fnAdd(FOO(COMPRESSED_RGB_S3TC_DXT1_EXT));
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fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT1_EXT));
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fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT3_EXT));
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fnAdd(FOO(COMPRESSED_RGBA_S3TC_DXT5_EXT));
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#undef FOO
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}
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bool WebGLExtensionCompressedTextureS3TC::IsSupported(
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const WebGLContext* webgl) {
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gl::GLContext* gl = webgl->GL();
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if (gl->IsExtensionSupported(gl::GLContext::EXT_texture_compression_s3tc))
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return true;
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return gl->IsExtensionSupported(
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gl::GLContext::EXT_texture_compression_dxt1) &&
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gl->IsExtensionSupported(
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gl::GLContext::ANGLE_texture_compression_dxt3) &&
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gl->IsExtensionSupported(
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gl::GLContext::ANGLE_texture_compression_dxt5);
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}
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// -
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WebGLExtensionCompressedTextureS3TC_SRGB::
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WebGLExtensionCompressedTextureS3TC_SRGB(WebGLContext* webgl)
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: WebGLExtensionBase(webgl) {
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RefPtr<WebGLContext> webgl_ = webgl; // Bug 1201275
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const auto fnAdd = [&webgl_](GLenum sizedFormat,
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webgl::EffectiveFormat effFormat) {
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auto& fua = webgl_->mFormatUsage;
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auto usage = fua->EditUsage(effFormat);
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usage->isFilterable = true;
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fua->AllowSizedTexFormat(sizedFormat, usage);
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};
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#define FOO(x) LOCAL_GL_##x, webgl::EffectiveFormat::x
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fnAdd(FOO(COMPRESSED_SRGB_S3TC_DXT1_EXT));
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fnAdd(FOO(COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT));
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fnAdd(FOO(COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT));
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fnAdd(FOO(COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT));
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#undef FOO
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}
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bool WebGLExtensionCompressedTextureS3TC_SRGB::IsSupported(
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const WebGLContext* webgl) {
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gl::GLContext* gl = webgl->GL();
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if (gl->IsGLES())
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return gl->IsExtensionSupported(
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gl::GLContext::EXT_texture_compression_s3tc_srgb);
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// Desktop GL is more complicated: It's EXT_texture_sRGB, when
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// EXT_texture_compression_s3tc is supported, that enables srgb+s3tc.
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return gl->IsExtensionSupported(gl::GLContext::EXT_texture_sRGB) &&
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gl->IsExtensionSupported(gl::GLContext::EXT_texture_compression_s3tc);
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}
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// -
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WebGLExtensionDepthTexture::WebGLExtensionDepthTexture(
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WebGLContext* const webgl)
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: WebGLExtensionBase(webgl) {
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auto& fua = webgl->mFormatUsage;
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const auto fnAdd = [&fua](webgl::EffectiveFormat effFormat,
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GLenum unpackFormat, GLenum unpackType) {
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auto usage = fua->EditUsage(effFormat);
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MOZ_ASSERT(usage->isFilterable);
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MOZ_ASSERT(usage->IsRenderable());
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const webgl::PackingInfo pi = {unpackFormat, unpackType};
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const webgl::DriverUnpackInfo dui = {unpackFormat, unpackFormat,
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unpackType};
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fua->AddTexUnpack(usage, pi, dui);
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fua->AllowUnsizedTexFormat(pi, usage);
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};
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fnAdd(webgl::EffectiveFormat::DEPTH_COMPONENT16, LOCAL_GL_DEPTH_COMPONENT,
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LOCAL_GL_UNSIGNED_SHORT);
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fnAdd(webgl::EffectiveFormat::DEPTH_COMPONENT24, LOCAL_GL_DEPTH_COMPONENT,
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LOCAL_GL_UNSIGNED_INT);
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fnAdd(webgl::EffectiveFormat::DEPTH24_STENCIL8, LOCAL_GL_DEPTH_STENCIL,
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LOCAL_GL_UNSIGNED_INT_24_8);
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}
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bool WebGLExtensionDepthTexture::IsSupported(const WebGLContext* const webgl) {
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if (webgl->IsWebGL2()) return false;
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// WEBGL_depth_texture supports DEPTH_STENCIL textures
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const auto& gl = webgl->gl;
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if (!gl->IsSupported(gl::GLFeature::packed_depth_stencil)) return false;
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return gl->IsSupported(gl::GLFeature::depth_texture) ||
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gl->IsExtensionSupported(gl::GLContext::ANGLE_depth_texture);
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}
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// -
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WebGLExtensionDisjointTimerQuery::WebGLExtensionDisjointTimerQuery(
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WebGLContext* webgl)
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|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionDisjointTimerQuery::IsSupported(
|
|
const WebGLContext* const webgl) {
|
|
if (!StaticPrefs::webgl_enable_privileged_extensions()) return false;
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
return gl->IsSupported(gl::GLFeature::query_objects) &&
|
|
gl->IsSupported(gl::GLFeature::get_query_object_i64v) &&
|
|
gl->IsSupported(
|
|
gl::GLFeature::query_counter); // provides GL_TIMESTAMP
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionDrawBuffers::WebGLExtensionDrawBuffers(WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionDrawBuffers::IsSupported(const WebGLContext* webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
if (gl->IsGLES() && gl->Version() >= 300) {
|
|
// ANGLE's shader translator can't translate ESSL1 exts to ESSL3. (bug
|
|
// 1524804)
|
|
return false;
|
|
}
|
|
return gl->IsSupported(gl::GLFeature::draw_buffers);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionExplicitPresent::WebGLExtensionExplicitPresent(
|
|
WebGLContext* const webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
if (!IsSupported(webgl)) {
|
|
NS_WARNING(
|
|
"Constructing WebGLExtensionExplicitPresent but IsSupported() is "
|
|
"false!");
|
|
// This was previously an assert, but it seems like we get races against
|
|
// StaticPrefs changes/initialization?
|
|
}
|
|
}
|
|
|
|
bool WebGLExtensionExplicitPresent::IsSupported(
|
|
const WebGLContext* const webgl) {
|
|
return StaticPrefs::webgl_enable_draft_extensions();
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionEXTColorBufferFloat::WebGLExtensionEXTColorBufferFloat(
|
|
WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
|
|
auto& fua = webgl->mFormatUsage;
|
|
|
|
auto fnUpdateUsage = [&fua](GLenum sizedFormat,
|
|
webgl::EffectiveFormat effFormat) {
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->SetRenderable();
|
|
fua->AllowRBFormat(sizedFormat, usage);
|
|
};
|
|
|
|
#define FOO(x) fnUpdateUsage(LOCAL_GL_##x, webgl::EffectiveFormat::x)
|
|
|
|
FOO(R16F);
|
|
FOO(RG16F);
|
|
FOO(RGBA16F);
|
|
|
|
FOO(R32F);
|
|
FOO(RG32F);
|
|
FOO(RGBA32F);
|
|
|
|
FOO(R11F_G11F_B10F);
|
|
|
|
#undef FOO
|
|
}
|
|
|
|
/*static*/
|
|
bool WebGLExtensionEXTColorBufferFloat::IsSupported(const WebGLContext* webgl) {
|
|
if (!webgl->IsWebGL2()) return false;
|
|
|
|
const gl::GLContext* gl = webgl->GL();
|
|
return gl->IsSupported(gl::GLFeature::EXT_color_buffer_float);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionFBORenderMipmap::WebGLExtensionFBORenderMipmap(
|
|
WebGLContext* const webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionFBORenderMipmap::IsSupported(
|
|
const WebGLContext* const webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
const auto& gl = webgl->gl;
|
|
if (!gl->IsGLES()) return true;
|
|
if (gl->Version() >= 300) return true;
|
|
return gl->IsExtensionSupported(gl::GLContext::OES_fbo_render_mipmap);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionFloatBlend::WebGLExtensionFloatBlend(WebGLContext* const webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionFloatBlend::IsSupported(const WebGLContext* const webgl) {
|
|
if (!WebGLExtensionColorBufferFloat::IsSupported(webgl) &&
|
|
!WebGLExtensionEXTColorBufferFloat::IsSupported(webgl))
|
|
return false;
|
|
|
|
const auto& gl = webgl->gl;
|
|
if (!gl->IsGLES() && gl->Version() >= 300) return true;
|
|
if (gl->IsGLES() && gl->Version() >= 320) return true;
|
|
return gl->IsExtensionSupported(gl::GLContext::EXT_float_blend);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionFragDepth::WebGLExtensionFragDepth(WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionFragDepth::IsSupported(const WebGLContext* webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
if (gl->IsGLES() && gl->Version() >= 300) {
|
|
// ANGLE's shader translator can't translate ESSL1 exts to ESSL3. (bug
|
|
// 1524804)
|
|
return false;
|
|
}
|
|
return gl->IsSupported(gl::GLFeature::frag_depth);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionInstancedArrays::WebGLExtensionInstancedArrays(
|
|
WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionInstancedArrays::IsSupported(const WebGLContext* webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
return gl->IsSupported(gl::GLFeature::draw_instanced) &&
|
|
gl->IsSupported(gl::GLFeature::instanced_arrays);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionMultiview::WebGLExtensionMultiview(WebGLContext* const webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionMultiview::IsSupported(const WebGLContext* const webgl) {
|
|
if (!webgl->IsWebGL2()) return false;
|
|
|
|
const auto& gl = webgl->gl;
|
|
return gl->IsSupported(gl::GLFeature::multiview);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionShaderTextureLod::WebGLExtensionShaderTextureLod(
|
|
WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
bool WebGLExtensionShaderTextureLod::IsSupported(const WebGLContext* webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
if (gl->IsGLES() && gl->Version() >= 300) {
|
|
// ANGLE's shader translator doesn't yet translate
|
|
// WebGL1+EXT_shader_texture_lod to ES3. (Bug 1491221)
|
|
return false;
|
|
}
|
|
return gl->IsSupported(gl::GLFeature::shader_texture_lod);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionSRGB::WebGLExtensionSRGB(WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
if (!gl->IsGLES()) {
|
|
// Desktop OpenGL requires the following to be enabled in order to
|
|
// support sRGB operations on framebuffers.
|
|
gl->fEnable(LOCAL_GL_FRAMEBUFFER_SRGB_EXT);
|
|
}
|
|
|
|
auto& fua = webgl->mFormatUsage;
|
|
|
|
RefPtr<gl::GLContext> gl_ = gl; // Bug 1201275
|
|
const auto fnAdd = [&fua, &gl_](webgl::EffectiveFormat effFormat,
|
|
GLenum format, GLenum desktopUnpackFormat) {
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->isFilterable = true;
|
|
|
|
webgl::DriverUnpackInfo dui = {format, format, LOCAL_GL_UNSIGNED_BYTE};
|
|
const auto pi = dui.ToPacking();
|
|
|
|
if (!gl_->IsGLES()) dui.unpackFormat = desktopUnpackFormat;
|
|
|
|
fua->AddTexUnpack(usage, pi, dui);
|
|
|
|
fua->AllowUnsizedTexFormat(pi, usage);
|
|
};
|
|
|
|
fnAdd(webgl::EffectiveFormat::SRGB8, LOCAL_GL_SRGB, LOCAL_GL_RGB);
|
|
fnAdd(webgl::EffectiveFormat::SRGB8_ALPHA8, LOCAL_GL_SRGB_ALPHA,
|
|
LOCAL_GL_RGBA);
|
|
|
|
auto usage = fua->EditUsage(webgl::EffectiveFormat::SRGB8_ALPHA8);
|
|
usage->SetRenderable();
|
|
fua->AllowRBFormat(LOCAL_GL_SRGB8_ALPHA8, usage);
|
|
}
|
|
|
|
bool WebGLExtensionSRGB::IsSupported(const WebGLContext* const webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
return webgl->gl->IsSupported(gl::GLFeature::sRGB);
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionTextureFloat::WebGLExtensionTextureFloat(WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl));
|
|
|
|
auto& fua = webgl->mFormatUsage;
|
|
gl::GLContext* gl = webgl->GL();
|
|
|
|
webgl::PackingInfo pi;
|
|
webgl::DriverUnpackInfo dui;
|
|
const GLint* swizzle = nullptr;
|
|
|
|
const auto fnAdd = [&](webgl::EffectiveFormat effFormat) {
|
|
MOZ_ASSERT_IF(swizzle, gl->IsSupported(gl::GLFeature::texture_swizzle));
|
|
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->textureSwizzleRGBA = swizzle;
|
|
fua->AddTexUnpack(usage, pi, dui);
|
|
|
|
fua->AllowUnsizedTexFormat(pi, usage);
|
|
};
|
|
|
|
bool useSizedFormats = true;
|
|
const bool hasSizedLegacyFormats = gl->IsCompatibilityProfile();
|
|
if (gl->IsGLES() && gl->Version() < 300) {
|
|
useSizedFormats = false;
|
|
}
|
|
|
|
////////////////
|
|
|
|
pi = {LOCAL_GL_RGBA, LOCAL_GL_FLOAT};
|
|
dui = {pi.format, pi.format, pi.type};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats || gl->IsExtensionSupported(
|
|
gl::GLContext::CHROMIUM_color_buffer_float_rgba)) {
|
|
// ANGLE only exposes renderable RGBA32F via
|
|
// CHROMIUM_color_buffer_float_rgba, which uses sized formats.
|
|
dui.internalFormat = LOCAL_GL_RGBA32F;
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::RGBA32F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_RGB, LOCAL_GL_FLOAT};
|
|
dui = {pi.format, pi.format, pi.type};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
dui.internalFormat = LOCAL_GL_RGB32F;
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::RGB32F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_LUMINANCE, LOCAL_GL_FLOAT};
|
|
dui = {pi.format, pi.format, pi.type};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
if (hasSizedLegacyFormats) {
|
|
dui.internalFormat = LOCAL_GL_LUMINANCE32F_ARB;
|
|
} else {
|
|
dui.internalFormat = LOCAL_GL_R32F;
|
|
dui.unpackFormat = LOCAL_GL_RED;
|
|
swizzle = webgl::FormatUsageInfo::kLuminanceSwizzleRGBA;
|
|
}
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::Luminance32F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_ALPHA, LOCAL_GL_FLOAT};
|
|
dui = {pi.format, pi.format, pi.type};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
if (hasSizedLegacyFormats) {
|
|
dui.internalFormat = LOCAL_GL_ALPHA32F_ARB;
|
|
} else {
|
|
dui.internalFormat = LOCAL_GL_R32F;
|
|
dui.unpackFormat = LOCAL_GL_RED;
|
|
swizzle = webgl::FormatUsageInfo::kAlphaSwizzleRGBA;
|
|
}
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::Alpha32F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_LUMINANCE_ALPHA, LOCAL_GL_FLOAT};
|
|
dui = {pi.format, pi.format, pi.type};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
if (hasSizedLegacyFormats) {
|
|
dui.internalFormat = LOCAL_GL_LUMINANCE_ALPHA32F_ARB;
|
|
} else {
|
|
dui.internalFormat = LOCAL_GL_RG32F;
|
|
dui.unpackFormat = LOCAL_GL_RG;
|
|
swizzle = webgl::FormatUsageInfo::kLumAlphaSwizzleRGBA;
|
|
}
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::Luminance32FAlpha32F);
|
|
}
|
|
|
|
bool WebGLExtensionTextureFloat::IsSupported(const WebGLContext* webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
if (!gl->IsSupported(gl::GLFeature::texture_float)) return false;
|
|
|
|
const bool needsSwizzle = gl->IsCoreProfile();
|
|
const bool hasSwizzle = gl->IsSupported(gl::GLFeature::texture_swizzle);
|
|
if (needsSwizzle && !hasSwizzle) return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionTextureFloatLinear::WebGLExtensionTextureFloatLinear(
|
|
WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
auto& fua = webgl->mFormatUsage;
|
|
|
|
fua->EditUsage(webgl::EffectiveFormat::RGBA32F)->isFilterable = true;
|
|
fua->EditUsage(webgl::EffectiveFormat::RGB32F)->isFilterable = true;
|
|
|
|
if (webgl->IsWebGL2()) {
|
|
fua->EditUsage(webgl::EffectiveFormat::R32F)->isFilterable = true;
|
|
fua->EditUsage(webgl::EffectiveFormat::RG32F)->isFilterable = true;
|
|
} else {
|
|
fua->EditUsage(webgl::EffectiveFormat::Luminance32FAlpha32F)->isFilterable =
|
|
true;
|
|
fua->EditUsage(webgl::EffectiveFormat::Luminance32F)->isFilterable = true;
|
|
fua->EditUsage(webgl::EffectiveFormat::Alpha32F)->isFilterable = true;
|
|
}
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionTextureHalfFloat::WebGLExtensionTextureHalfFloat(
|
|
WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
auto& fua = webgl->mFormatUsage;
|
|
gl::GLContext* gl = webgl->GL();
|
|
|
|
webgl::PackingInfo pi;
|
|
webgl::DriverUnpackInfo dui;
|
|
const GLint* swizzle = nullptr;
|
|
|
|
const auto fnAdd = [&](webgl::EffectiveFormat effFormat) {
|
|
MOZ_ASSERT_IF(swizzle, gl->IsSupported(gl::GLFeature::texture_swizzle));
|
|
|
|
auto usage = fua->EditUsage(effFormat);
|
|
usage->textureSwizzleRGBA = swizzle;
|
|
fua->AddTexUnpack(usage, pi, dui);
|
|
|
|
fua->AllowUnsizedTexFormat(pi, usage);
|
|
};
|
|
|
|
bool useSizedFormats = true;
|
|
const bool hasSizedLegacyFormats = gl->IsCompatibilityProfile();
|
|
if (gl->IsGLES() && gl->Version() < 300) {
|
|
useSizedFormats = false;
|
|
}
|
|
|
|
GLenum driverUnpackType = LOCAL_GL_HALF_FLOAT;
|
|
if (!gl->IsSupported(gl::GLFeature::texture_half_float)) {
|
|
MOZ_ASSERT(gl->IsExtensionSupported(gl::GLContext::OES_texture_half_float));
|
|
driverUnpackType = LOCAL_GL_HALF_FLOAT_OES;
|
|
}
|
|
|
|
////////////////
|
|
|
|
pi = {LOCAL_GL_RGBA, LOCAL_GL_HALF_FLOAT_OES};
|
|
dui = {pi.format, pi.format, driverUnpackType};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
dui.internalFormat = LOCAL_GL_RGBA16F;
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::RGBA16F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_RGB, LOCAL_GL_HALF_FLOAT_OES};
|
|
dui = {pi.format, pi.format, driverUnpackType};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
dui.internalFormat = LOCAL_GL_RGB16F;
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::RGB16F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_LUMINANCE, LOCAL_GL_HALF_FLOAT_OES};
|
|
dui = {pi.format, pi.format, driverUnpackType};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
if (hasSizedLegacyFormats) {
|
|
dui.internalFormat = LOCAL_GL_LUMINANCE16F_ARB;
|
|
} else {
|
|
dui.internalFormat = LOCAL_GL_R16F;
|
|
dui.unpackFormat = LOCAL_GL_RED;
|
|
swizzle = webgl::FormatUsageInfo::kLuminanceSwizzleRGBA;
|
|
}
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::Luminance16F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_ALPHA, LOCAL_GL_HALF_FLOAT_OES};
|
|
dui = {pi.format, pi.format, driverUnpackType};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
if (hasSizedLegacyFormats) {
|
|
dui.internalFormat = LOCAL_GL_ALPHA16F_ARB;
|
|
} else {
|
|
dui.internalFormat = LOCAL_GL_R16F;
|
|
dui.unpackFormat = LOCAL_GL_RED;
|
|
swizzle = webgl::FormatUsageInfo::kAlphaSwizzleRGBA;
|
|
}
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::Alpha16F);
|
|
|
|
//////
|
|
|
|
pi = {LOCAL_GL_LUMINANCE_ALPHA, LOCAL_GL_HALF_FLOAT_OES};
|
|
dui = {pi.format, pi.format, driverUnpackType};
|
|
swizzle = nullptr;
|
|
if (useSizedFormats) {
|
|
if (hasSizedLegacyFormats) {
|
|
dui.internalFormat = LOCAL_GL_LUMINANCE_ALPHA16F_ARB;
|
|
} else {
|
|
dui.internalFormat = LOCAL_GL_RG16F;
|
|
dui.unpackFormat = LOCAL_GL_RG;
|
|
swizzle = webgl::FormatUsageInfo::kLumAlphaSwizzleRGBA;
|
|
}
|
|
}
|
|
fnAdd(webgl::EffectiveFormat::Luminance16FAlpha16F);
|
|
}
|
|
|
|
bool WebGLExtensionTextureHalfFloat::IsSupported(const WebGLContext* webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
|
|
gl::GLContext* gl = webgl->GL();
|
|
if (!gl->IsSupported(gl::GLFeature::texture_half_float) &&
|
|
!gl->IsExtensionSupported(gl::GLContext::OES_texture_half_float)) {
|
|
return false;
|
|
}
|
|
|
|
const bool needsSwizzle = gl->IsCoreProfile();
|
|
const bool hasSwizzle = gl->IsSupported(gl::GLFeature::texture_swizzle);
|
|
if (needsSwizzle && !hasSwizzle) return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
// -
|
|
|
|
WebGLExtensionTextureHalfFloatLinear::WebGLExtensionTextureHalfFloatLinear(
|
|
WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(!webgl->IsWebGL2());
|
|
auto& fua = webgl->mFormatUsage;
|
|
|
|
fua->EditUsage(webgl::EffectiveFormat::RGBA16F)->isFilterable = true;
|
|
fua->EditUsage(webgl::EffectiveFormat::RGB16F)->isFilterable = true;
|
|
fua->EditUsage(webgl::EffectiveFormat::Luminance16FAlpha16F)->isFilterable =
|
|
true;
|
|
fua->EditUsage(webgl::EffectiveFormat::Luminance16F)->isFilterable = true;
|
|
fua->EditUsage(webgl::EffectiveFormat::Alpha16F)->isFilterable = true;
|
|
}
|
|
|
|
// -
|
|
|
|
bool WebGLExtensionTextureNorm16::IsSupported(const WebGLContext* const webgl) {
|
|
if (!StaticPrefs::webgl_enable_draft_extensions()) return false;
|
|
if (!webgl->IsWebGL2()) return false;
|
|
|
|
const auto& gl = webgl->gl;
|
|
|
|
// ANGLE's support is broken in our checkout.
|
|
if (gl->IsANGLE()) return false;
|
|
|
|
return gl->IsSupported(gl::GLFeature::texture_norm16);
|
|
}
|
|
|
|
WebGLExtensionTextureNorm16::WebGLExtensionTextureNorm16(WebGLContext* webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
if (!IsSupported(webgl)) {
|
|
NS_WARNING(
|
|
"Constructing WebGLExtensionTextureNorm16 but IsSupported() is "
|
|
"false!");
|
|
// This was previously an assert, but it seems like we get races against
|
|
// StaticPrefs changes/initialization?
|
|
}
|
|
|
|
auto& fua = *webgl->mFormatUsage;
|
|
|
|
const auto fnAdd = [&](webgl::EffectiveFormat effFormat,
|
|
const bool renderable, const webgl::PackingInfo& pi) {
|
|
auto& usage = *fua.EditUsage(effFormat);
|
|
const auto& format = *usage.format;
|
|
|
|
const auto dui =
|
|
webgl::DriverUnpackInfo{format.sizedFormat, pi.format, pi.type};
|
|
fua.AddTexUnpack(&usage, pi, dui);
|
|
|
|
fua.AllowSizedTexFormat(format.sizedFormat, &usage);
|
|
fua.AllowUnsizedTexFormat(pi, &usage);
|
|
|
|
if (renderable) {
|
|
usage.SetRenderable();
|
|
fua.AllowRBFormat(format.sizedFormat, &usage);
|
|
}
|
|
};
|
|
|
|
fnAdd(webgl::EffectiveFormat::R16, true,
|
|
{LOCAL_GL_RED, LOCAL_GL_UNSIGNED_SHORT});
|
|
fnAdd(webgl::EffectiveFormat::RG16, true,
|
|
{LOCAL_GL_RG, LOCAL_GL_UNSIGNED_SHORT});
|
|
fnAdd(webgl::EffectiveFormat::RGB16, false,
|
|
{LOCAL_GL_RGB, LOCAL_GL_UNSIGNED_SHORT});
|
|
fnAdd(webgl::EffectiveFormat::RGBA16, true,
|
|
{LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_SHORT});
|
|
|
|
fnAdd(webgl::EffectiveFormat::R16_SNORM, false,
|
|
{LOCAL_GL_RED, LOCAL_GL_SHORT});
|
|
fnAdd(webgl::EffectiveFormat::RG16_SNORM, false,
|
|
{LOCAL_GL_RG, LOCAL_GL_SHORT});
|
|
fnAdd(webgl::EffectiveFormat::RGB16_SNORM, false,
|
|
{LOCAL_GL_RGB, LOCAL_GL_SHORT});
|
|
fnAdd(webgl::EffectiveFormat::RGBA16_SNORM, false,
|
|
{LOCAL_GL_RGBA, LOCAL_GL_SHORT});
|
|
}
|
|
|
|
} // namespace mozilla
|