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Unified Diff: src/gpu/gl/SkNullGLContext.cpp

Issue 1814113002: Store null GL context's state in interface object (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: add overrides Created 4 years, 9 months ago
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Index: src/gpu/gl/SkNullGLContext.cpp
diff --git a/src/gpu/gl/SkNullGLContext.cpp b/src/gpu/gl/SkNullGLContext.cpp
index c6e01c341cd3a316db97b8109db6953b8e0499b2..95b0e5ef47d93aa358116c4ea7ffbad7925b5b14 100644
--- a/src/gpu/gl/SkNullGLContext.cpp
+++ b/src/gpu/gl/SkNullGLContext.cpp
@@ -8,578 +8,6 @@
#include "gl/SkNullGLContext.h"
#include "gl/GrGLInterface.h"
-#include "GrGLDefines.h"
-#include "GrGLNoOpInterface.h"
-#include "SkTDArray.h"
-#include "SkTLS.h"
-
-static SkNullGLContext::ContextState* current_context();
-
-/////////////////////////////////////////////////////////////////////////////////////////////////
-
-class BufferObj {
-public:
-
-
- BufferObj(GrGLuint id) : fID(id), fDataPtr(nullptr), fSize(0), fMapped(false) {}
- ~BufferObj() { delete[] fDataPtr; }
-
- void allocate(GrGLsizeiptr size, const GrGLchar* dataPtr) {
- if (fDataPtr) {
- SkASSERT(0 != fSize);
- delete[] fDataPtr;
- }
-
- fSize = size;
- fDataPtr = new char[size];
- }
-
- GrGLuint id() const { return fID; }
- GrGLchar* dataPtr() { return fDataPtr; }
- GrGLsizeiptr size() const { return fSize; }
-
- void setMapped(bool mapped) { fMapped = mapped; }
- bool mapped() const { return fMapped; }
-
-private:
- GrGLuint fID;
- GrGLchar* fDataPtr;
- GrGLsizeiptr fSize; // size in bytes
- bool fMapped;
-};
-
-// This class maintains a sparsely populated array of buffer pointers.
-class BufferManager {
-public:
-
-
- BufferManager() : fFreeListHead(kFreeListEnd) {}
-
- ~BufferManager() {
- // nullptr out the entries that are really free list links rather than ptrs before deleting.
- intptr_t curr = fFreeListHead;
- while (kFreeListEnd != curr) {
- intptr_t next = reinterpret_cast<intptr_t>(fBuffers[SkToS32(curr)]);
- fBuffers[SkToS32(curr)] = nullptr;
- curr = next;
- }
-
- fBuffers.deleteAll();
- }
-
- BufferObj* lookUp(GrGLuint id) {
- BufferObj* buffer = fBuffers[id];
- SkASSERT(buffer && buffer->id() == id);
- return buffer;
- }
-
- BufferObj* create() {
- GrGLuint id;
- BufferObj* buffer;
-
- if (kFreeListEnd == fFreeListHead) {
- // no free slots - create a new one
- id = fBuffers.count();
- buffer = new BufferObj(id);
- *fBuffers.append() = buffer;
- } else {
- // grab the head of the free list and advance the head to the next free slot.
- id = static_cast<GrGLuint>(fFreeListHead);
- fFreeListHead = reinterpret_cast<intptr_t>(fBuffers[id]);
-
- buffer = new BufferObj(id);
- fBuffers[id] = buffer;
- }
-
- return buffer;
- }
-
- void free(BufferObj* buffer) {
- SkASSERT(fBuffers.count() > 0);
-
- GrGLuint id = buffer->id();
- delete buffer;
-
- fBuffers[id] = reinterpret_cast<BufferObj*>(fFreeListHead);
- fFreeListHead = id;
- }
-
-private:
- static const intptr_t kFreeListEnd = -1;
- // Index of the first entry of fBuffers in the free list. Free slots in fBuffers are indices to
- // the next free slot. The last free slot has a value of kFreeListEnd.
- intptr_t fFreeListHead;
- SkTDArray<BufferObj*> fBuffers;
-};
-
-/**
- * The state object for the null interface.
- */
-class SkNullGLContext::ContextState : public SkRefCnt {
-public:
-
-
- BufferManager fBufferManager;
- GrGLuint fCurrArrayBuffer;
- GrGLuint fCurrElementArrayBuffer;
- GrGLuint fCurrPixelPackBuffer;
- GrGLuint fCurrPixelUnpackBuffer;
- GrGLuint fCurrProgramID;
- GrGLuint fCurrShaderID;
-
-
- ContextState()
- : fCurrArrayBuffer(0)
- , fCurrElementArrayBuffer(0)
- , fCurrPixelPackBuffer(0)
- , fCurrPixelUnpackBuffer(0)
- , fCurrProgramID(0)
- , fCurrShaderID(0) {}
-
- static ContextState* Get() { return current_context(); }
-};
-
-typedef SkNullGLContext::ContextState State;
-
-// Functions not declared in GrGLBogusInterface.h (not common with the Debug GL interface).
-
-namespace { // added to suppress 'no previous prototype' warning
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLActiveTexture(GrGLenum texture) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLAttachShader(GrGLuint program, GrGLuint shader) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBeginQuery(GrGLenum target, GrGLuint id) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBindAttribLocation(GrGLuint program, GrGLuint index, const char* name) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBindTexture(GrGLenum target, GrGLuint texture) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBindVertexArray(GrGLuint id) {}
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLGenBuffers(GrGLsizei n, GrGLuint* ids) {
- State* state = State::Get();
- for (int i = 0; i < n; ++i) {
- BufferObj* buffer = state->fBufferManager.create();
- ids[i] = buffer->id();
- }
-}
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLGenerateMipmap(GrGLenum target) {}
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBufferData(GrGLenum target,
- GrGLsizeiptr size,
- const GrGLvoid* data,
- GrGLenum usage) {
- State* state = State::Get();
- GrGLuint id = 0;
-
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = state->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = state->fCurrElementArrayBuffer;
- break;
- case GR_GL_PIXEL_PACK_BUFFER:
- id = state->fCurrPixelPackBuffer;
- break;
- case GR_GL_PIXEL_UNPACK_BUFFER:
- id = state->fCurrPixelUnpackBuffer;
- break;
- default:
- SkFAIL("Unexpected target to nullGLBufferData");
- break;
- }
-
- if (id > 0) {
- BufferObj* buffer = state->fBufferManager.lookUp(id);
- buffer->allocate(size, (const GrGLchar*) data);
- }
-}
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLPixelStorei(GrGLenum pname, GrGLint param) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLReadPixels(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height, GrGLenum format, GrGLenum type, GrGLvoid* pixels) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLUseProgram(GrGLuint program) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLViewport(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBindFramebuffer(GrGLenum target, GrGLuint framebuffer) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBindRenderbuffer(GrGLenum target, GrGLuint renderbuffer) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLDeleteFramebuffers(GrGLsizei n, const GrGLuint *framebuffers) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLDeleteRenderbuffers(GrGLsizei n, const GrGLuint *renderbuffers) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLFramebufferRenderbuffer(GrGLenum target, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer) {}
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLFramebufferTexture2D(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level) {}
-
-GrGLuint GR_GL_FUNCTION_TYPE nullGLCreateProgram() {
- return ++State::Get()->fCurrProgramID;
-}
-
-GrGLuint GR_GL_FUNCTION_TYPE nullGLCreateShader(GrGLenum type) {
- return ++State::Get()->fCurrShaderID;
-}
-
-// same delete used for shaders and programs
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLDelete(GrGLuint program) {
-}
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLBindBuffer(GrGLenum target, GrGLuint buffer) {
- State* state = State::Get();
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- state->fCurrArrayBuffer = buffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- state->fCurrElementArrayBuffer = buffer;
- break;
- case GR_GL_PIXEL_PACK_BUFFER:
- state->fCurrPixelPackBuffer = buffer;
- break;
- case GR_GL_PIXEL_UNPACK_BUFFER:
- state->fCurrPixelUnpackBuffer = buffer;
- break;
- }
-}
-
-// deleting a bound buffer has the side effect of binding 0
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLDeleteBuffers(GrGLsizei n, const GrGLuint* ids) {
- State* state = State::Get();
- for (int i = 0; i < n; ++i) {
- if (ids[i] == state->fCurrArrayBuffer) {
- state->fCurrArrayBuffer = 0;
- }
- if (ids[i] == state->fCurrElementArrayBuffer) {
- state->fCurrElementArrayBuffer = 0;
- }
- if (ids[i] == state->fCurrPixelPackBuffer) {
- state->fCurrPixelPackBuffer = 0;
- }
- if (ids[i] == state->fCurrPixelUnpackBuffer) {
- state->fCurrPixelUnpackBuffer = 0;
- }
-
- BufferObj* buffer = state->fBufferManager.lookUp(ids[i]);
- state->fBufferManager.free(buffer);
- }
-}
-
-GrGLvoid* GR_GL_FUNCTION_TYPE nullGLMapBufferRange(GrGLenum target, GrGLintptr offset,
- GrGLsizeiptr length, GrGLbitfield access) {
- State* state = State::Get();
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = state->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = state->fCurrElementArrayBuffer;
- break;
- case GR_GL_PIXEL_PACK_BUFFER:
- id = state->fCurrPixelPackBuffer;
- break;
- case GR_GL_PIXEL_UNPACK_BUFFER:
- id = state->fCurrPixelUnpackBuffer;
- break;
- }
-
- if (id > 0) {
- // We just ignore the offset and length here.
- BufferObj* buffer = state->fBufferManager.lookUp(id);
- SkASSERT(!buffer->mapped());
- buffer->setMapped(true);
- return buffer->dataPtr();
- }
- return nullptr;
-}
-
-GrGLvoid* GR_GL_FUNCTION_TYPE nullGLMapBuffer(GrGLenum target, GrGLenum access) {
- State* state = State::Get();
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = state->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = state->fCurrElementArrayBuffer;
- break;
- case GR_GL_PIXEL_PACK_BUFFER:
- id = state->fCurrPixelPackBuffer;
- break;
- case GR_GL_PIXEL_UNPACK_BUFFER:
- id = state->fCurrPixelUnpackBuffer;
- break;
- }
-
- if (id > 0) {
- BufferObj* buffer = state->fBufferManager.lookUp(id);
- SkASSERT(!buffer->mapped());
- buffer->setMapped(true);
- return buffer->dataPtr();
- }
-
- SkASSERT(false);
- return nullptr; // no buffer bound to target
-}
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLFlushMappedBufferRange(GrGLenum target,
- GrGLintptr offset,
- GrGLsizeiptr length) {}
-
-
-GrGLboolean GR_GL_FUNCTION_TYPE nullGLUnmapBuffer(GrGLenum target) {
- State* state = State::Get();
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = state->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = state->fCurrElementArrayBuffer;
- break;
- case GR_GL_PIXEL_PACK_BUFFER:
- id = state->fCurrPixelPackBuffer;
- break;
- case GR_GL_PIXEL_UNPACK_BUFFER:
- id = state->fCurrPixelUnpackBuffer;
- break;
- }
- if (id > 0) {
- BufferObj* buffer = state->fBufferManager.lookUp(id);
- SkASSERT(buffer->mapped());
- buffer->setMapped(false);
- return GR_GL_TRUE;
- }
-
- GrAlwaysAssert(false);
- return GR_GL_FALSE; // GR_GL_INVALID_OPERATION;
-}
-
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLGetBufferParameteriv(GrGLenum target, GrGLenum pname, GrGLint* params) {
- State* state = State::Get();
- switch (pname) {
- case GR_GL_BUFFER_MAPPED: {
- *params = GR_GL_FALSE;
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = state->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = state->fCurrElementArrayBuffer;
- break;
- case GR_GL_PIXEL_PACK_BUFFER:
- id = state->fCurrPixelPackBuffer;
- break;
- case GR_GL_PIXEL_UNPACK_BUFFER:
- id = state->fCurrPixelUnpackBuffer;
- break;
- }
- if (id > 0) {
- BufferObj* buffer = state->fBufferManager.lookUp(id);
- if (buffer->mapped()) {
- *params = GR_GL_TRUE;
- }
- }
- break; }
- default:
- SkFAIL("Unexpected pname to GetBufferParamateriv");
- break;
- }
-};
-
-class NullInterface : public GrGLInterface {
-public:
- NullInterface(State* state) : fState(SkRef(state)) {}
- ~NullInterface() override {
- fState->unref();
- }
- State* fState;
-};
-
-} // end anonymous namespace
-
-static GrGLInterface* create_null_interface(State* state) {
- GrGLInterface* interface = new NullInterface(state);
-
- interface->fStandard = kGL_GrGLStandard;
-
- GrGLInterface::Functions* functions = &interface->fFunctions;
- functions->fActiveTexture = nullGLActiveTexture;
- functions->fAttachShader = nullGLAttachShader;
- functions->fBeginQuery = nullGLBeginQuery;
- functions->fBindAttribLocation = nullGLBindAttribLocation;
- functions->fBindBuffer = nullGLBindBuffer;
- functions->fBindFragDataLocation = noOpGLBindFragDataLocation;
- functions->fBindTexture = nullGLBindTexture;
- functions->fBindVertexArray = nullGLBindVertexArray;
- functions->fBlendColor = noOpGLBlendColor;
- functions->fBlendEquation = noOpGLBlendEquation;
- functions->fBlendFunc = noOpGLBlendFunc;
- functions->fBufferData = nullGLBufferData;
- functions->fBufferSubData = noOpGLBufferSubData;
- functions->fClear = noOpGLClear;
- functions->fClearColor = noOpGLClearColor;
- functions->fClearStencil = noOpGLClearStencil;
- functions->fColorMask = noOpGLColorMask;
- functions->fCompileShader = noOpGLCompileShader;
- functions->fCompressedTexImage2D = noOpGLCompressedTexImage2D;
- functions->fCompressedTexSubImage2D = noOpGLCompressedTexSubImage2D;
- functions->fCopyTexSubImage2D = noOpGLCopyTexSubImage2D;
- functions->fCreateProgram = nullGLCreateProgram;
- functions->fCreateShader = nullGLCreateShader;
- functions->fCullFace = noOpGLCullFace;
- functions->fDeleteBuffers = nullGLDeleteBuffers;
- functions->fDeleteProgram = nullGLDelete;
- functions->fDeleteQueries = noOpGLDeleteIds;
- functions->fDeleteShader = nullGLDelete;
- functions->fDeleteTextures = noOpGLDeleteIds;
- functions->fDeleteVertexArrays = noOpGLDeleteIds;
- functions->fDepthMask = noOpGLDepthMask;
- functions->fDisable = noOpGLDisable;
- functions->fDisableVertexAttribArray = noOpGLDisableVertexAttribArray;
- functions->fDrawArrays = noOpGLDrawArrays;
- functions->fDrawArraysInstanced = noOpGLDrawArraysInstanced;
- functions->fDrawBuffer = noOpGLDrawBuffer;
- functions->fDrawBuffers = noOpGLDrawBuffers;
- functions->fDrawElements = noOpGLDrawElements;
- functions->fDrawElementsInstanced = noOpGLDrawElementsInstanced;
- functions->fEnable = noOpGLEnable;
- functions->fEnableVertexAttribArray = noOpGLEnableVertexAttribArray;
- functions->fEndQuery = noOpGLEndQuery;
- functions->fFinish = noOpGLFinish;
- functions->fFlush = noOpGLFlush;
- functions->fFlushMappedBufferRange = nullGLFlushMappedBufferRange;
- functions->fFrontFace = noOpGLFrontFace;
- functions->fGenBuffers = nullGLGenBuffers;
- functions->fGenerateMipmap = nullGLGenerateMipmap;
- functions->fGenQueries = noOpGLGenIds;
- functions->fGenTextures = noOpGLGenIds;
- functions->fGenVertexArrays = noOpGLGenIds;
- functions->fGetBufferParameteriv = nullGLGetBufferParameteriv;
- functions->fGetError = noOpGLGetError;
- functions->fGetIntegerv = noOpGLGetIntegerv;
- functions->fGetMultisamplefv = noOpGLGetMultisamplefv;
- functions->fGetQueryObjecti64v = noOpGLGetQueryObjecti64v;
- functions->fGetQueryObjectiv = noOpGLGetQueryObjectiv;
- functions->fGetQueryObjectui64v = noOpGLGetQueryObjectui64v;
- functions->fGetQueryObjectuiv = noOpGLGetQueryObjectuiv;
- functions->fGetQueryiv = noOpGLGetQueryiv;
- functions->fGetProgramInfoLog = noOpGLGetInfoLog;
- functions->fGetProgramiv = noOpGLGetShaderOrProgramiv;
- functions->fGetShaderInfoLog = noOpGLGetInfoLog;
- functions->fGetShaderiv = noOpGLGetShaderOrProgramiv;
- functions->fGetString = noOpGLGetString;
- functions->fGetStringi = noOpGLGetStringi;
- functions->fGetTexLevelParameteriv = noOpGLGetTexLevelParameteriv;
- functions->fGetUniformLocation = noOpGLGetUniformLocation;
- functions->fInsertEventMarker = noOpGLInsertEventMarker;
- functions->fLineWidth = noOpGLLineWidth;
- functions->fLinkProgram = noOpGLLinkProgram;
- functions->fMapBuffer = nullGLMapBuffer;
- functions->fMapBufferRange = nullGLMapBufferRange;
- functions->fPixelStorei = nullGLPixelStorei;
- functions->fPopGroupMarker = noOpGLPopGroupMarker;
- functions->fPushGroupMarker = noOpGLPushGroupMarker;
- functions->fQueryCounter = noOpGLQueryCounter;
- functions->fReadBuffer = noOpGLReadBuffer;
- functions->fReadPixels = nullGLReadPixels;
- functions->fScissor = noOpGLScissor;
- functions->fShaderSource = noOpGLShaderSource;
- functions->fStencilFunc = noOpGLStencilFunc;
- functions->fStencilFuncSeparate = noOpGLStencilFuncSeparate;
- functions->fStencilMask = noOpGLStencilMask;
- functions->fStencilMaskSeparate = noOpGLStencilMaskSeparate;
- functions->fStencilOp = noOpGLStencilOp;
- functions->fStencilOpSeparate = noOpGLStencilOpSeparate;
- functions->fTexBuffer = noOpGLTexBuffer;
- functions->fTexImage2D = noOpGLTexImage2D;
- functions->fTexParameteri = noOpGLTexParameteri;
- functions->fTexParameteriv = noOpGLTexParameteriv;
- functions->fTexSubImage2D = noOpGLTexSubImage2D;
- functions->fTexStorage2D = noOpGLTexStorage2D;
- functions->fDiscardFramebuffer = noOpGLDiscardFramebuffer;
- functions->fUniform1f = noOpGLUniform1f;
- functions->fUniform1i = noOpGLUniform1i;
- functions->fUniform1fv = noOpGLUniform1fv;
- functions->fUniform1iv = noOpGLUniform1iv;
- functions->fUniform2f = noOpGLUniform2f;
- functions->fUniform2i = noOpGLUniform2i;
- functions->fUniform2fv = noOpGLUniform2fv;
- functions->fUniform2iv = noOpGLUniform2iv;
- functions->fUniform3f = noOpGLUniform3f;
- functions->fUniform3i = noOpGLUniform3i;
- functions->fUniform3fv = noOpGLUniform3fv;
- functions->fUniform3iv = noOpGLUniform3iv;
- functions->fUniform4f = noOpGLUniform4f;
- functions->fUniform4i = noOpGLUniform4i;
- functions->fUniform4fv = noOpGLUniform4fv;
- functions->fUniform4iv = noOpGLUniform4iv;
- functions->fUniformMatrix2fv = noOpGLUniformMatrix2fv;
- functions->fUniformMatrix3fv = noOpGLUniformMatrix3fv;
- functions->fUniformMatrix4fv = noOpGLUniformMatrix4fv;
- functions->fUnmapBuffer = nullGLUnmapBuffer;
- functions->fUseProgram = nullGLUseProgram;
- functions->fVertexAttrib1f = noOpGLVertexAttrib1f;
- functions->fVertexAttrib2fv = noOpGLVertexAttrib2fv;
- functions->fVertexAttrib3fv = noOpGLVertexAttrib3fv;
- functions->fVertexAttrib4fv = noOpGLVertexAttrib4fv;
- functions->fVertexAttribDivisor = noOpGLVertexAttribDivisor;
- functions->fVertexAttribIPointer = noOpGLVertexAttribIPointer;
- functions->fVertexAttribPointer = noOpGLVertexAttribPointer;
- functions->fViewport = nullGLViewport;
- functions->fBindFramebuffer = nullGLBindFramebuffer;
- functions->fBindRenderbuffer = nullGLBindRenderbuffer;
- functions->fCheckFramebufferStatus = noOpGLCheckFramebufferStatus;
- functions->fDeleteFramebuffers = nullGLDeleteFramebuffers;
- functions->fDeleteRenderbuffers = nullGLDeleteRenderbuffers;
- functions->fFramebufferRenderbuffer = nullGLFramebufferRenderbuffer;
- functions->fFramebufferTexture2D = nullGLFramebufferTexture2D;
- functions->fGenFramebuffers = noOpGLGenIds;
- functions->fGenRenderbuffers = noOpGLGenIds;
- functions->fGetFramebufferAttachmentParameteriv = noOpGLGetFramebufferAttachmentParameteriv;
- functions->fGetRenderbufferParameteriv = noOpGLGetRenderbufferParameteriv;
- functions->fRenderbufferStorage = noOpGLRenderbufferStorage;
- functions->fRenderbufferStorageMultisample = noOpGLRenderbufferStorageMultisample;
- functions->fBlitFramebuffer = noOpGLBlitFramebuffer;
- functions->fResolveMultisampleFramebuffer = noOpGLResolveMultisampleFramebuffer;
- functions->fMatrixLoadf = noOpGLMatrixLoadf;
- functions->fMatrixLoadIdentity = noOpGLMatrixLoadIdentity;
- functions->fBindFragDataLocationIndexed = noOpGLBindFragDataLocationIndexed;
-
- interface->fExtensions.init(kGL_GrGLStandard, functions->fGetString, functions->fGetStringi,
- functions->fGetIntegerv, nullptr, GR_EGL_NO_DISPLAY);
- return interface;
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-static void* create_tls() {
- State** current = new State*;
- *current = nullptr;
- return current;
-}
-
-static void delete_tls(void* ctx) {
- State** current = static_cast<State**>(ctx);
- if (*current) {
- (*current)->unref();
- }
- delete current;
-}
-
-static State* current_context() {
- return *static_cast<State**>(SkTLS::Get(create_tls, delete_tls));
-}
-
-static void set_current_context(State* state) {
- State** current = static_cast<State**>(SkTLS::Get(create_tls, delete_tls));
- if (*current) {
- (*current)->unref();
- }
- *current = state;
- if (state) {
- state->ref();
- }
-}
-
-#if GR_GL_PER_GL_FUNC_CALLBACK
-static void set_current_context_from_interface(const GrGLInterface* interface) {
- set_current_context(reinterpret_cast<State*>(interface->fCallbackData));
-}
-#endif
SkNullGLContext* SkNullGLContext::Create() {
SkNullGLContext* ctx = new SkNullGLContext;
@@ -591,18 +19,9 @@ SkNullGLContext* SkNullGLContext::Create() {
}
SkNullGLContext::SkNullGLContext() {
- fState = new ContextState;
- GrGLInterface* interface = create_null_interface(fState);
- this->init(interface);
-#if GR_GL_PER_GL_FUNC_CALLBACK
- interface->fCallback = set_current_context_from_interface;
- interface->fCallbackData = reinterpret_cast<GrGLInterfaceCallbackData>(fState);
-#endif
+ this->init(GrGLCreateNullInterface());
}
SkNullGLContext::~SkNullGLContext() {
this->teardown();
- fState->unref();
}
-
-void SkNullGLContext::onPlatformMakeCurrent() const { set_current_context(fState); }
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