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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "GLBlitHelper.h"
#include "GLContext.h"
#include "GLScreenBuffer.h"
#include "GPUVideoImage.h"
#include "HeapCopyOfStackArray.h"
#include "ImageContainer.h"
#include "ScopedGLHelpers.h"
#include "gfxUtils.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/Preferences.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/gfx/Matrix.h"
#include "mozilla/layers/ImageDataSerializer.h"
#include "mozilla/layers/LayersSurfaces.h"
#ifdef MOZ_WIDGET_ANDROID
# include "AndroidSurfaceTexture.h"
# include "GLLibraryEGL.h"
#endif
#ifdef XP_MACOSX
# include "GLContextCGL.h"
# include "MacIOSurfaceImage.h"
#endif
#ifdef XP_WIN
# include "mozilla/layers/D3D11ShareHandleImage.h"
# include "mozilla/layers/D3D11TextureIMFSampleImage.h"
# include "mozilla/layers/D3D11YCbCrImage.h"
#endif
#ifdef MOZ_WAYLAND
# include "mozilla/layers/DMABUFSurfaceImage.h"
# include "mozilla/widget/DMABufSurface.h"
#endif
using mozilla::layers::PlanarYCbCrData;
using mozilla::layers::PlanarYCbCrImage;
namespace mozilla {
namespace gl {
// --
const char* const kFragHeader_Tex2D =
"\
#define SAMPLER sampler2D \n\
#if __VERSION__ >= 130 \n\
#define TEXTURE texture \n\
#else \n\
#define TEXTURE texture2D \n\
#endif \n\
";
const char* const kFragHeader_Tex2DRect =
"\
#define SAMPLER sampler2DRect \n\
#if __VERSION__ >= 130 \n\
#define TEXTURE texture \n\
#else \n\
#define TEXTURE texture2DRect \n\
#endif \n\
";
const char* const kFragHeader_TexExt =
"\
#extension GL_OES_EGL_image_external : require \n\
#if __VERSION__ >= 130 \n\
#define TEXTURE texture \n\
#else \n\
#define TEXTURE texture2D \n\
#endif \n\
#define SAMPLER samplerExternalOES \n\
";
const char* const kFragBody_RGBA =
"\
VARYING vec2 vTexCoord0; \n\
uniform SAMPLER uTex0; \n\
\n\
void main(void) \n\
{ \n\
FRAG_COLOR = TEXTURE(uTex0, vTexCoord0); \n\
} \n\
";
const char* const kFragBody_BGRA =
"\
VARYING vec2 vTexCoord0; \n\
uniform SAMPLER uTex0; \n\
\n\
void main(void) \n\
{ \n\
FRAG_COLOR = TEXTURE(uTex0, vTexCoord0).bgra; \n\
} \n\
";
const char* const kFragBody_CrYCb =
"\
VARYING vec2 vTexCoord0; \n\
uniform SAMPLER uTex0; \n\
uniform MAT4X3 uColorMatrix; \n\
\n\
void main(void) \n\
{ \n\
vec4 yuv = vec4(TEXTURE(uTex0, vTexCoord0).gbr, \n\
1.0); \n\
FRAG_COLOR = vec4((uColorMatrix * yuv).rgb, 1.0); \n\
} \n\
";
const char* const kFragBody_NV12 =
"\
VARYING vec2 vTexCoord0; \n\
VARYING vec2 vTexCoord1; \n\
uniform SAMPLER uTex0; \n\
uniform SAMPLER uTex1; \n\
uniform MAT4X3 uColorMatrix; \n\
\n\
void main(void) \n\
{ \n\
vec4 yuv = vec4(TEXTURE(uTex0, vTexCoord0).x, \n\
TEXTURE(uTex1, vTexCoord1).xy, \n\
1.0); \n\
FRAG_COLOR = vec4((uColorMatrix * yuv).rgb, 1.0); \n\
} \n\
";
const char* const kFragBody_PlanarYUV =
"\
VARYING vec2 vTexCoord0; \n\
VARYING vec2 vTexCoord1; \n\
uniform SAMPLER uTex0; \n\
uniform SAMPLER uTex1; \n\
uniform SAMPLER uTex2; \n\
uniform MAT4X3 uColorMatrix; \n\
\n\
void main(void) \n\
{ \n\
vec4 yuv = vec4(TEXTURE(uTex0, vTexCoord0).x, \n\
TEXTURE(uTex1, vTexCoord1).x, \n\
TEXTURE(uTex2, vTexCoord1).x, \n\
1.0); \n\
FRAG_COLOR = vec4((uColorMatrix * yuv).rgb, 1.0); \n\
} \n\
";
// --
template <uint8_t N>
/*static*/ Mat<N> Mat<N>::Zero() {
Mat<N> ret;
for (auto& x : ret.m) {
x = 0.0f;
}
return ret;
}
template <uint8_t N>
/*static*/ Mat<N> Mat<N>::I() {
auto ret = Mat<N>::Zero();
for (uint8_t i = 0; i < N; i++) {
ret.at(i, i) = 1.0f;
}
return ret;
}
template <uint8_t N>
Mat<N> Mat<N>::operator*(const Mat<N>& r) const {
Mat<N> ret;
for (uint8_t x = 0; x < N; x++) {
for (uint8_t y = 0; y < N; y++) {
float sum = 0.0f;
for (uint8_t i = 0; i < N; i++) {
sum += at(i, y) * r.at(x, i);
}
ret.at(x, y) = sum;
}
}
return ret;
}
Mat3 SubRectMat3(const float x, const float y, const float w, const float h) {
auto ret = Mat3::Zero();
ret.at(0, 0) = w;
ret.at(1, 1) = h;
ret.at(2, 0) = x;
ret.at(2, 1) = y;
ret.at(2, 2) = 1.0f;
return ret;
}
Mat3 SubRectMat3(const gfx::IntRect& subrect, const gfx::IntSize& size) {
return SubRectMat3(float(subrect.X()) / size.width,
float(subrect.Y()) / size.height,
float(subrect.Width()) / size.width,
float(subrect.Height()) / size.height);
}
Mat3 SubRectMat3(const gfx::IntRect& bigSubrect, const gfx::IntSize& smallSize,
const gfx::IntSize& divisors) {
const float x = float(bigSubrect.X()) / divisors.width;
const float y = float(bigSubrect.Y()) / divisors.height;
const float w = float(bigSubrect.Width()) / divisors.width;
const float h = float(bigSubrect.Height()) / divisors.height;
return SubRectMat3(x / smallSize.width, y / smallSize.height,
w / smallSize.width, h / smallSize.height);
}
// --
ScopedSaveMultiTex::ScopedSaveMultiTex(GLContext* const gl,
const uint8_t texCount,
const GLenum texTarget)
: mGL(*gl),
mTexCount(texCount),
mTexTarget(texTarget),
mOldTexUnit(mGL.GetIntAs<GLenum>(LOCAL_GL_ACTIVE_TEXTURE)) {
GLenum texBinding;
switch (mTexTarget) {
case LOCAL_GL_TEXTURE_2D:
texBinding = LOCAL_GL_TEXTURE_BINDING_2D;
break;
case LOCAL_GL_TEXTURE_RECTANGLE:
texBinding = LOCAL_GL_TEXTURE_BINDING_RECTANGLE;
break;
case LOCAL_GL_TEXTURE_EXTERNAL:
texBinding = LOCAL_GL_TEXTURE_BINDING_EXTERNAL;
break;
default:
gfxCriticalError() << "Unhandled texTarget: " << texTarget;
}
for (uint8_t i = 0; i < mTexCount; i++) {
mGL.fActiveTexture(LOCAL_GL_TEXTURE0 + i);
if (mGL.IsSupported(GLFeature::sampler_objects)) {
mOldTexSampler[i] = mGL.GetIntAs<GLuint>(LOCAL_GL_SAMPLER_BINDING);
mGL.fBindSampler(i, 0);
}
mOldTex[i] = mGL.GetIntAs<GLuint>(texBinding);
}
}
ScopedSaveMultiTex::~ScopedSaveMultiTex() {
for (uint8_t i = 0; i < mTexCount; i++) {
mGL.fActiveTexture(LOCAL_GL_TEXTURE0 + i);
if (mGL.IsSupported(GLFeature::sampler_objects)) {
mGL.fBindSampler(i, mOldTexSampler[i]);
}
mGL.fBindTexture(mTexTarget, mOldTex[i]);
}
mGL.fActiveTexture(mOldTexUnit);
}
// --
class ScopedBindArrayBuffer final {
public:
GLContext& mGL;
const GLuint mOldVBO;
ScopedBindArrayBuffer(GLContext* const gl, const GLuint vbo)
: mGL(*gl), mOldVBO(mGL.GetIntAs<GLuint>(LOCAL_GL_ARRAY_BUFFER_BINDING)) {
mGL.fBindBuffer(LOCAL_GL_ARRAY_BUFFER, vbo);
}
~ScopedBindArrayBuffer() { mGL.fBindBuffer(LOCAL_GL_ARRAY_BUFFER, mOldVBO); }
};
// --
class ScopedShader final {
GLContext& mGL;
const GLuint mName;
public:
ScopedShader(GLContext* const gl, const GLenum shaderType)
: mGL(*gl), mName(mGL.fCreateShader(shaderType)) {}
~ScopedShader() { mGL.fDeleteShader(mName); }
operator GLuint() const { return mName; }
};
// --
class SaveRestoreCurrentProgram final {
GLContext& mGL;
const GLuint mOld;
public:
explicit SaveRestoreCurrentProgram(GLContext* const gl)
: mGL(*gl), mOld(mGL.GetIntAs<GLuint>(LOCAL_GL_CURRENT_PROGRAM)) {}
~SaveRestoreCurrentProgram() { mGL.fUseProgram(mOld); }
};
// --
class ScopedDrawBlitState final {
GLContext& mGL;
const bool blend;
const bool cullFace;
const bool depthTest;
const bool dither;
const bool polyOffsFill;
const bool sampleAToC;
const bool sampleCover;
const bool scissor;
const bool stencil;
Maybe<bool> rasterizerDiscard;
realGLboolean colorMask[4];
GLint viewport[4];
public:
ScopedDrawBlitState(GLContext* const gl, const gfx::IntSize& destSize)
: mGL(*gl),
blend(mGL.PushEnabled(LOCAL_GL_BLEND, false)),
cullFace(mGL.PushEnabled(LOCAL_GL_CULL_FACE, false)),
depthTest(mGL.PushEnabled(LOCAL_GL_DEPTH_TEST, false)),
dither(mGL.PushEnabled(LOCAL_GL_DITHER, true)),
polyOffsFill(mGL.PushEnabled(LOCAL_GL_POLYGON_OFFSET_FILL, false)),
sampleAToC(mGL.PushEnabled(LOCAL_GL_SAMPLE_ALPHA_TO_COVERAGE, false)),
sampleCover(mGL.PushEnabled(LOCAL_GL_SAMPLE_COVERAGE, false)),
scissor(mGL.PushEnabled(LOCAL_GL_SCISSOR_TEST, false)),
stencil(mGL.PushEnabled(LOCAL_GL_STENCIL_TEST, false)) {
if (mGL.IsSupported(GLFeature::transform_feedback2)) {
// Technically transform_feedback2 requires transform_feedback, which
// actually adds RASTERIZER_DISCARD.
rasterizerDiscard =
Some(mGL.PushEnabled(LOCAL_GL_RASTERIZER_DISCARD, false));
}
mGL.fGetBooleanv(LOCAL_GL_COLOR_WRITEMASK, colorMask);
if (mGL.IsSupported(GLFeature::draw_buffers_indexed)) {
mGL.fColorMaski(0, true, true, true, true);
} else {
mGL.fColorMask(true, true, true, true);
}
mGL.fGetIntegerv(LOCAL_GL_VIEWPORT, viewport);
MOZ_ASSERT(destSize.width && destSize.height);
mGL.fViewport(0, 0, destSize.width, destSize.height);
}
~ScopedDrawBlitState() {
mGL.SetEnabled(LOCAL_GL_BLEND, blend);
mGL.SetEnabled(LOCAL_GL_CULL_FACE, cullFace);
mGL.SetEnabled(LOCAL_GL_DEPTH_TEST, depthTest);
mGL.SetEnabled(LOCAL_GL_DITHER, dither);
mGL.SetEnabled(LOCAL_GL_POLYGON_OFFSET_FILL, polyOffsFill);
mGL.SetEnabled(LOCAL_GL_SAMPLE_ALPHA_TO_COVERAGE, sampleAToC);
mGL.SetEnabled(LOCAL_GL_SAMPLE_COVERAGE, sampleCover);
mGL.SetEnabled(LOCAL_GL_SCISSOR_TEST, scissor);
mGL.SetEnabled(LOCAL_GL_STENCIL_TEST, stencil);
if (rasterizerDiscard) {
mGL.SetEnabled(LOCAL_GL_RASTERIZER_DISCARD, rasterizerDiscard.value());
}
if (mGL.IsSupported(GLFeature::draw_buffers_indexed)) {
mGL.fColorMaski(0, colorMask[0], colorMask[1], colorMask[2],
colorMask[3]);
} else {
mGL.fColorMask(colorMask[0], colorMask[1], colorMask[2], colorMask[3]);
}
mGL.fViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
}
};
// --
DrawBlitProg::DrawBlitProg(const GLBlitHelper* const parent, const GLuint prog)
: mParent(*parent),
mProg(prog),
mLoc_uDestMatrix(mParent.mGL->fGetUniformLocation(mProg, "uDestMatrix")),
mLoc_uTexMatrix0(mParent.mGL->fGetUniformLocation(mProg, "uTexMatrix0")),
mLoc_uTexMatrix1(mParent.mGL->fGetUniformLocation(mProg, "uTexMatrix1")),
mLoc_uColorMatrix(
mParent.mGL->fGetUniformLocation(mProg, "uColorMatrix")) {
const auto& gl = mParent.mGL;
MOZ_GL_ASSERT(gl, mLoc_uDestMatrix != -1);
MOZ_GL_ASSERT(gl, mLoc_uTexMatrix0 != -1);
if (mLoc_uColorMatrix != -1) {
MOZ_GL_ASSERT(gl, mLoc_uTexMatrix1 != -1);
int32_t numActiveUniforms = 0;
gl->fGetProgramiv(mProg, LOCAL_GL_ACTIVE_UNIFORMS, &numActiveUniforms);
const size_t kMaxNameSize = 32;
char name[kMaxNameSize] = {0};
GLint size = 0;
GLenum type = 0;
for (int32_t i = 0; i < numActiveUniforms; i++) {
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);
MOZ_ASSERT(bool(argsYUV) == (mLoc_uColorMatrix != -1));
if (argsYUV) {
gl->fUniformMatrix3fv(mLoc_uTexMatrix1, 1, false, argsYUV->texMatrix1.m);
const auto& colorMatrix =
gfxUtils::YuvToRgbMatrix4x4ColumnMajor(argsYUV->colorSpace);
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_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);
vaa0Buffer = bindVBO.mOldVBO;
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();
// Always use 100 on ES 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 this is a lot easier and is not harmful to other usages.
if (mGL->IsGLES()) {
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 char kFragHeader_Global[] =
"\
#ifdef GL_ES \n\
#ifdef GL_FRAGMENT_PRECISION_HIGH \n\
precision highp float; \n\
#else \n\
precision mediump float; \n\
#endif \n\
#endif \n\
\n\
#if __VERSION__ >= 130 \n\
#define VARYING in \n\
#define FRAG_COLOR oFragColor \n\
out vec4 FRAG_COLOR; \n\
#else \n\
#define VARYING varying \n\
#define FRAG_COLOR gl_FragColor \n\
#endif \n\
\n\
#if __VERSION__ >= 120 \n\
#define MAT4X3 mat4x3 \n\
#else \n\
#define MAT4X3 mat4 \n\
#endif \n\
";
const ScopedShader fs(mGL, LOCAL_GL_FRAGMENT_SHADER);
const char* const parts[] = {mDrawBlitProg_VersionLine.get(), key.fragHeader,
kFragHeader_Global, key.fragBody};
mGL->fShaderSource(fs, ArrayLength(parts), parts, nullptr);
mGL->fCompileShader(fs);
const auto prog = mGL->fCreateProgram();
mGL->fAttachShader(prog, mDrawBlitProg_VertShader);
mGL->fAttachShader(prog, fs);
mGL->fBindAttribLocation(prog, 0, "aPosition");
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) break;
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;
gfxCriticalError() << "DrawBlitProg link failed:\n"
<< "progLog: " << progLog.get() << "\n"
<< "vsLog: " << vsLog.get() << "\n"
<< "fsLog: " << fsLog.get() << "\n";
MOZ_CRASH();
}
// -----------------------------------------------------------------------------
#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
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
#else
case ImageFormat::D3D11_SHARE_HANDLE_TEXTURE:
case ImageFormat::D3D11_TEXTURE_IMF_SAMPLE:
case ImageFormat::D3D11_YCBCR_IMAGE:
case ImageFormat::D3D9_RGB32_TEXTURE:
MOZ_ASSERT(false);
return false;
#endif
case ImageFormat::DMABUF:
#ifdef MOZ_WAYLAND
return BlitImage(static_cast<layers::DMABUFSurfaceImage*>(srcImage),
destSize, destOrigin);
#else
return false;
#endif
case ImageFormat::CAIRO_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 bool yFlip = (srcOrigin != destOrigin);
const auto& prog = GetDrawBlitProg({kFragHeader_TexExt, kFragBody_RGBA});
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, kFragBody_PlanarYUV});
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, 3, 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), 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.colorSpace = 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;
const char* const fragHeader = kFragHeader_Tex2DRect;
const ScopedSaveMultiTex saveTex(mGL, planes, 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* fragBody;
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:
fragBody = kFragBody_RGBA;
break;
case kCVPixelFormatType_422YpCbCr8:
case kCVPixelFormatType_422YpCbCr8_yuvs:
fragBody = kFragBody_CrYCb;
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
fragBody = kFragBody_CrYCb;
pYuvArgs = &yuvArgs;
break;
}
break;
case 2:
fragBody = kFragBody_NV12;
pYuvArgs = &yuvArgs;
break;
case 3:
fragBody = kFragBody_PlanarYUV;
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({fragHeader, fragBody});
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 char* fragBody = srcIsBGRA ? kFragBody_BGRA : kFragBody_RGBA;
const auto& prog = GetDrawBlitProg({fragHeader, fragBody});
const ScopedSaveMultiTex saveTex(mGL, 1, srcTarget);
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()) {
case layers::RemoteDecoderVideoSubDescriptor::TSurfaceDescriptorDMABuf: {
// TODO.
return false;
}
#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_WAYLAND
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.colorSpace = surface->GetYUVColorSpace();
const DrawBlitProg::YUVArgs* pYuvArgs = nullptr;
const auto planes = surface->GetTextureCount();
const GLenum texTarget = LOCAL_GL_TEXTURE_2D;
const ScopedSaveMultiTex saveTex(mGL, planes, texTarget);
const auto pixelFormat = surface->GetSurfaceType();
const char* fragBody;
switch (pixelFormat) {
case DMABufSurface::SURFACE_RGBA:
fragBody = kFragBody_RGBA;
break;
case DMABufSurface::SURFACE_NV12:
fragBody = kFragBody_NV12;
pYuvArgs = &yuvArgs;
break;
case DMABufSurface::SURFACE_YUV420:
fragBody = kFragBody_PlanarYUV;
pYuvArgs = &yuvArgs;
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, fragBody});
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
} // namespace gl
} // namespace mozilla