GrGLuint SkANGLEGLContext::eglImageToExternalTexture(GrEGLImage image) const {
GrGLClearErr(this->gl());
if (!this->gl()->hasExtension("GL_OES_EGL_image_external")) {
return 0;
}
GrGLEGLImageTargetTexture2DProc glEGLImageTargetTexture2D =
(GrGLEGLImageTargetTexture2DProc)eglGetProcAddress("glEGLImageTargetTexture2DOES");
if (!glEGLImageTargetTexture2D) {
return 0;
}
GrGLuint texID;
GR_GL_CALL(this->gl(), GenTextures(1, &texID));
if (!texID) {
return 0;
}
GR_GL_CALL(this->gl(), BindTexture(GR_GL_TEXTURE_EXTERNAL, texID));
if (GR_GL_GET_ERROR(this->gl()) != GR_GL_NO_ERROR) {
GR_GL_CALL(this->gl(), DeleteTextures(1, &texID));
return 0;
}
glEGLImageTargetTexture2D(GR_GL_TEXTURE_EXTERNAL, image);
if (GR_GL_GET_ERROR(this->gl()) != GR_GL_NO_ERROR) {
GR_GL_CALL(this->gl(), DeleteTextures(1, &texID));
return 0;
}
return texID;
}
static void doDraw() {
if (NULL == gContext) {
gContext = make_context();
}
State* state = get_state();
SkBitmap viewport;
viewport.setConfig(SkBitmap::kARGB_8888_Config,
state->getWidth(), state->getHeight());
SkGpuCanvas canvas(gContext);
canvas.setBitmapDevice(viewport);
state->applyMatrix(&canvas);
drawIntoCanvas(state, &canvas);
GrGLCheckErr();
GrGLClearErr();
// gContext->checkError();
// gContext->clearError();
if (true) {
static const int FRAME_COUNT = 32;
static SkMSec gDuration;
static SkMSec gNow;
static int gFrameCounter;
if (++gFrameCounter == FRAME_COUNT) {
gFrameCounter = 0;
SkMSec now = SkTime::GetMSecs();
gDuration = now - gNow;
gNow = now;
}
int fps = (FRAME_COUNT * 1000) / gDuration;
SkString str;
str.printf("FPS=%3d MS=%3d", fps, gDuration / FRAME_COUNT);
SkGpuCanvas c(gContext);
c.setBitmapDevice(viewport);
SkPaint p;
p.setAntiAlias(true);
SkRect r = { 0, 0, 110, 16 };
p.setColor(SK_ColorWHITE);
c.drawRect(r, p);
p.setColor(SK_ColorBLACK);
c.drawText(str.c_str(), str.size(), 4, 12, p);
}
}
void GrGpuGLFixed::resetContext() {
INHERITED::resetContext();
GR_GL(Disable(GR_GL_TEXTURE_2D));
for (int s = 0; s < kNumStages; ++s) {
setTextureUnit(s);
GR_GL(EnableClientState(GR_GL_VERTEX_ARRAY));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_TEXTURE_ENV_MODE, GR_GL_COMBINE));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_COMBINE_RGB, GR_GL_MODULATE));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_SRC0_RGB, GR_GL_TEXTURE0+s));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_SRC1_RGB, GR_GL_PREVIOUS));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_OPERAND1_RGB, GR_GL_SRC_COLOR));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_COMBINE_ALPHA, GR_GL_MODULATE));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_SRC0_ALPHA, GR_GL_TEXTURE0+s));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_OPERAND0_ALPHA, GR_GL_SRC_ALPHA));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_SRC1_ALPHA, GR_GL_PREVIOUS));
GR_GL(TexEnvi(GR_GL_TEXTURE_ENV, GR_GL_OPERAND1_ALPHA, GR_GL_SRC_ALPHA));
// color oprand0 changes between GL_SRC_COLR and GL_SRC_ALPHA depending
// upon whether we have a (premultiplied) RGBA texture or just an ALPHA
// texture, e.g.:
//glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
fHWRGBOperand0[s] = (TextureEnvRGBOperands) -1;
}
fHWGeometryState.fVertexLayout = 0;
fHWGeometryState.fVertexOffset = ~0;
GR_GL(EnableClientState(GR_GL_VERTEX_ARRAY));
GR_GL(DisableClientState(GR_GL_TEXTURE_COORD_ARRAY));
GR_GL(ShadeModel(GR_GL_FLAT));
GR_GL(DisableClientState(GR_GL_COLOR_ARRAY));
GR_GL(PointSize(1.f));
GrGLClearErr();
fTextVerts = false;
fBaseVertex = 0xffffffff;
}
GrGLProgram* GrGLProgramBuilder::finalize() {
TRACE_EVENT0("skia", TRACE_FUNC);
// verify we can get a program id
GrGLuint programID;
GL_CALL_RET(programID, CreateProgram());
if (0 == programID) {
this->cleanupFragmentProcessors();
return nullptr;
}
if (this->gpu()->glCaps().programBinarySupport() &&
this->gpu()->getContext()->contextPriv().getPersistentCache()) {
GL_CALL(ProgramParameteri(programID, GR_GL_PROGRAM_BINARY_RETRIEVABLE_HINT, GR_GL_TRUE));
}
this->finalizeShaders();
// compile shaders and bind attributes / uniforms
const GrPrimitiveProcessor& primProc = this->primitiveProcessor();
SkSL::Program::Settings settings;
settings.fCaps = this->gpu()->glCaps().shaderCaps();
settings.fFlipY = this->pipeline().proxy()->origin() != kTopLeft_GrSurfaceOrigin;
settings.fSharpenTextures = this->gpu()->getContext()->contextPriv().sharpenMipmappedTextures();
SkSL::Program::Inputs inputs;
SkTDArray<GrGLuint> shadersToDelete;
bool cached = fGpu->glCaps().programBinarySupport() && nullptr != fCached.get();
if (cached) {
this->bindProgramResourceLocations(programID);
// cache hit, just hand the binary to GL
const uint8_t* bytes = fCached->bytes();
size_t offset = 0;
memcpy(&inputs, bytes + offset, sizeof(inputs));
offset += sizeof(inputs);
int binaryFormat;
memcpy(&binaryFormat, bytes + offset, sizeof(binaryFormat));
offset += sizeof(binaryFormat);
GrGLClearErr(this->gpu()->glInterface());
GR_GL_CALL_NOERRCHECK(this->gpu()->glInterface(),
ProgramBinary(programID, binaryFormat, (void*) (bytes + offset),
fCached->size() - offset));
if (GR_GL_GET_ERROR(this->gpu()->glInterface()) == GR_GL_NO_ERROR) {
if (inputs.fRTHeight) {
this->addRTHeightUniform(SKSL_RTHEIGHT_NAME);
}
cached = this->checkLinkStatus(programID);
} else {
cached = false;
}
}
if (!cached) {
// cache miss, compile shaders
if (fFS.fForceHighPrecision) {
settings.fForceHighPrecision = true;
}
SkSL::String glsl;
std::unique_ptr<SkSL::Program> fs = GrSkSLtoGLSL(gpu()->glContext(),
GR_GL_FRAGMENT_SHADER,
fFS.fCompilerStrings.begin(),
fFS.fCompilerStringLengths.begin(),
fFS.fCompilerStrings.count(),
settings,
&glsl);
inputs = fs->fInputs;
if (inputs.fRTHeight) {
this->addRTHeightUniform(SKSL_RTHEIGHT_NAME);
}
if (!this->compileAndAttachShaders(glsl.c_str(), glsl.size(), programID,
GR_GL_FRAGMENT_SHADER, &shadersToDelete, settings,
inputs)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
std::unique_ptr<SkSL::Program> vs = GrSkSLtoGLSL(gpu()->glContext(),
GR_GL_VERTEX_SHADER,
fVS.fCompilerStrings.begin(),
fVS.fCompilerStringLengths.begin(),
fVS.fCompilerStrings.count(),
settings,
&glsl);
if (!this->compileAndAttachShaders(glsl.c_str(), glsl.size(), programID,
GR_GL_VERTEX_SHADER, &shadersToDelete, settings,
inputs)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
// NVPR actually requires a vertex shader to compile
bool useNvpr = primProc.isPathRendering();
if (!useNvpr) {
int vaCount = primProc.numAttribs();
for (int i = 0; i < vaCount; i++) {
GL_CALL(BindAttribLocation(programID, i, primProc.getAttrib(i).fName));
}
}
if (primProc.willUseGeoShader()) {
std::unique_ptr<SkSL::Program> gs;
gs = GrSkSLtoGLSL(gpu()->glContext(),
GR_GL_GEOMETRY_SHADER,
fGS.fCompilerStrings.begin(),
fGS.fCompilerStringLengths.begin(),
fGS.fCompilerStrings.count(),
settings,
&glsl);
if (!this->compileAndAttachShaders(glsl.c_str(), glsl.size(), programID,
GR_GL_GEOMETRY_SHADER, &shadersToDelete, settings,
inputs)) {
this->cleanupProgram(programID, shadersToDelete);
return nullptr;
}
}
this->bindProgramResourceLocations(programID);
GL_CALL(LinkProgram(programID));
}
// Calling GetProgramiv is expensive in Chromium. Assume success in release builds.
bool checkLinked = kChromium_GrGLDriver != fGpu->ctxInfo().driver();
#ifdef SK_DEBUG
checkLinked = true;
#endif
if (checkLinked) {
if (!this->checkLinkStatus(programID)) {
SkDebugf("VS:\n");
GrGLPrintShader(fGpu->glContext(), GR_GL_VERTEX_SHADER, fVS.fCompilerStrings.begin(),
fVS.fCompilerStringLengths.begin(), fVS.fCompilerStrings.count(),
settings);
if (primProc.willUseGeoShader()) {
SkDebugf("\nGS:\n");
GrGLPrintShader(fGpu->glContext(), GR_GL_GEOMETRY_SHADER,
fGS.fCompilerStrings.begin(), fGS.fCompilerStringLengths.begin(),
fGS.fCompilerStrings.count(), settings);
}
SkDebugf("\nFS:\n");
GrGLPrintShader(fGpu->glContext(), GR_GL_FRAGMENT_SHADER, fFS.fCompilerStrings.begin(),
fFS.fCompilerStringLengths.begin(), fFS.fCompilerStrings.count(),
settings);
SkDEBUGFAIL("");
return nullptr;
}
}
this->resolveProgramResourceLocations(programID);
this->cleanupShaders(shadersToDelete);
if (!cached && this->gpu()->getContext()->contextPriv().getPersistentCache() &&
fGpu->glCaps().programBinarySupport()) {
GrGLsizei length = 0;
GL_CALL(GetProgramiv(programID, GL_PROGRAM_BINARY_LENGTH, &length));
if (length > 0) {
// store shader in cache
sk_sp<SkData> key = SkData::MakeWithoutCopy(desc()->asKey(), desc()->keyLength());
GrGLenum binaryFormat;
std::unique_ptr<char[]> binary(new char[length]);
GL_CALL(GetProgramBinary(programID, length, &length, &binaryFormat, binary.get()));
size_t dataLength = sizeof(inputs) + sizeof(binaryFormat) + length;
std::unique_ptr<uint8_t[]> data(new uint8_t[dataLength]);
size_t offset = 0;
memcpy(data.get() + offset, &inputs, sizeof(inputs));
offset += sizeof(inputs);
memcpy(data.get() + offset, &binaryFormat, sizeof(binaryFormat));
offset += sizeof(binaryFormat);
memcpy(data.get() + offset, binary.get(), length);
this->gpu()->getContext()->contextPriv().getPersistentCache()->store(
*key, *SkData::MakeWithoutCopy(data.get(), dataLength));
}
}
return this->createProgram(programID);
}
