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Unified Diff: src/gpu/gl/GrGLCreateNullInterface.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/GrGLCreateNullInterface.cpp
diff --git a/src/gpu/gl/GrGLCreateNullInterface.cpp b/src/gpu/gl/GrGLCreateNullInterface.cpp
index dd48bd8f0f87939ad6d9310a26debe33801f2a3b..ccaab598b87db5733b4117087e0bb6704d99dd88 100644
--- a/src/gpu/gl/GrGLCreateNullInterface.cpp
+++ b/src/gpu/gl/GrGLCreateNullInterface.cpp
@@ -7,12 +7,9 @@
#include "gl/GrGLInterface.h"
-#include "GrGLDefines.h"
+#include "GrGLTestInterface.h"
+#include "SkMutex.h"
#include "SkTDArray.h"
-#include "GrGLNoOpInterface.h"
-#include "SkTLS.h"
-
-// TODO: Delete this file after chrome starts using SkNullGLContext.
// added to suppress 'no previous prototype' warning and because this code is duplicated in
// SkNullGLContext.cpp
@@ -20,10 +17,7 @@ namespace {
class BufferObj {
public:
-
-
- BufferObj(GrGLuint id) : fID(id), fDataPtr(nullptr), fSize(0), fMapped(false) {
- }
+ BufferObj(GrGLuint id) : fID(id), fDataPtr(nullptr), fSize(0), fMapped(false) {}
~BufferObj() { delete[] fDataPtr; }
void allocate(GrGLsizeiptr size, const GrGLchar* dataPtr) {
@@ -53,8 +47,6 @@ private:
// This class maintains a sparsely populated array of buffer pointers.
class BufferManager {
public:
-
-
BufferManager() : fFreeListHead(kFreeListEnd) {}
~BufferManager() {
@@ -114,383 +106,509 @@ private:
SkTDArray<BufferObj*> fBuffers;
};
-/**
- * The global-to-thread state object for the null interface. All null interfaces on the
- * same thread currently share one of these. This means two null contexts on the same thread
- * can interfere with each other. It may make sense to more integrate this into SkNullGLContext
- * and use it's makeCurrent mechanism.
- */
-struct ThreadContext {
+/** Null interface implementation */
+class NullInterface : public GrGLTestInterface {
public:
-
+ NullInterface()
+ : fCurrArrayBuffer(0)
+ , fCurrElementArrayBuffer(0)
+ , fCurrPixelPackBuffer(0)
+ , fCurrPixelUnpackBuffer(0)
+ , fCurrShaderID(0)
+ , fCurrGenericID(0)
+ , fCurrUniformLocation(0) {
+ this->init(kGL_GrGLStandard);
+ }
+
+ GrGLenum checkFramebufferStatus(GrGLenum target) override {
+ return GR_GL_FRAMEBUFFER_COMPLETE;
+ }
+
+ GrGLvoid genBuffers(GrGLsizei n, GrGLuint* ids) override {
+ for (int i = 0; i < n; ++i) {
+ BufferObj* buffer = fBufferManager.create();
+ ids[i] = buffer->id();
+ }
+ }
+
+ GrGLvoid bufferData(GrGLenum target, GrGLsizeiptr size, const GrGLvoid* data,
+ GrGLenum usage) override {
+ GrGLuint id = 0;
+
+ switch (target) {
+ case GR_GL_ARRAY_BUFFER:
+ id = fCurrArrayBuffer;
+ break;
+ case GR_GL_ELEMENT_ARRAY_BUFFER:
+ id = fCurrElementArrayBuffer;
+ break;
+ case GR_GL_PIXEL_PACK_BUFFER:
+ id = fCurrPixelPackBuffer;
+ break;
+ case GR_GL_PIXEL_UNPACK_BUFFER:
+ id = fCurrPixelUnpackBuffer;
+ break;
+ default:
+ SkFAIL("Unexpected target to nullGLBufferData");
+ break;
+ }
+
+ if (id > 0) {
+ BufferObj* buffer = fBufferManager.lookUp(id);
+ buffer->allocate(size, (const GrGLchar*) data);
+ }
+ }
+
+ GrGLuint createProgram() override {
+ return ++fCurrProgramID;
+ }
+
+ GrGLuint createShader(GrGLenum type) override {
+ return ++fCurrShaderID;
+ }
+
+ GrGLvoid bindBuffer(GrGLenum target, GrGLuint buffer) override {
+ switch (target) {
+ case GR_GL_ARRAY_BUFFER:
+ fCurrArrayBuffer = buffer;
+ break;
+ case GR_GL_ELEMENT_ARRAY_BUFFER:
+ fCurrElementArrayBuffer = buffer;
+ break;
+ case GR_GL_PIXEL_PACK_BUFFER:
+ fCurrPixelPackBuffer = buffer;
+ break;
+ case GR_GL_PIXEL_UNPACK_BUFFER:
+ fCurrPixelUnpackBuffer = buffer;
+ break;
+ }
+ }
+
+ // deleting a bound buffer has the side effect of binding 0
+ GrGLvoid deleteBuffers(GrGLsizei n, const GrGLuint* ids) override {
+ for (int i = 0; i < n; ++i) {
+ if (ids[i] == fCurrArrayBuffer) {
+ fCurrArrayBuffer = 0;
+ }
+ if (ids[i] == fCurrElementArrayBuffer) {
+ fCurrElementArrayBuffer = 0;
+ }
+ if (ids[i] == fCurrPixelPackBuffer) {
+ fCurrPixelPackBuffer = 0;
+ }
+ if (ids[i] == fCurrPixelUnpackBuffer) {
+ fCurrPixelUnpackBuffer = 0;
+ }
+
+ BufferObj* buffer = fBufferManager.lookUp(ids[i]);
+ fBufferManager.free(buffer);
+ }
+ }
+
+ GrGLvoid genFramebuffers(GrGLsizei n, GrGLuint *framebuffers) override {
+ this->genGenericIds(n, framebuffers);
+ }
+
+ GrGLvoid genQueries(GrGLsizei n, GrGLuint *ids) override { this->genGenericIds(n, ids); }
+
+ GrGLvoid genRenderbuffers(GrGLsizei n, GrGLuint *renderbuffers) override {
+ this->genGenericIds(n, renderbuffers);
+ }
+
+ GrGLvoid genTextures(GrGLsizei n, GrGLuint *textures) override {
+ this->genGenericIds(n, textures);
+ }
+
+ GrGLvoid genVertexArrays(GrGLsizei n, GrGLuint *arrays) override {
+ this->genGenericIds(n, arrays);
+ }
+
+ GrGLenum getError() override { return GR_GL_NO_ERROR; }
+
+ GrGLvoid getIntegerv(GrGLenum pname, GrGLint* params) override {
+ // TODO: remove from Ganesh the #defines for gets we don't use.
+ // We would like to minimize gets overall due to performance issues
+ switch (pname) {
+ case GR_GL_CONTEXT_PROFILE_MASK:
+ *params = GR_GL_CONTEXT_COMPATIBILITY_PROFILE_BIT;
+ break;
+ case GR_GL_STENCIL_BITS:
+ *params = 8;
+ break;
+ case GR_GL_SAMPLES:
+ *params = 1;
+ break;
+ case GR_GL_FRAMEBUFFER_BINDING:
+ *params = 0;
+ break;
+ case GR_GL_VIEWPORT:
+ params[0] = 0;
+ params[1] = 0;
+ params[2] = 800;
+ params[3] = 600;
+ break;
+ case GR_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
+ case GR_GL_MAX_GEOMETRY_TEXTURE_IMAGE_UNITS:
+ case GR_GL_MAX_TEXTURE_IMAGE_UNITS:
+ case GR_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
+ *params = 8;
+ break;
+ case GR_GL_MAX_TEXTURE_COORDS:
+ *params = 8;
+ break;
+ case GR_GL_MAX_VERTEX_UNIFORM_VECTORS:
+ *params = kDefaultMaxVertexUniformVectors;
+ break;
+ case GR_GL_MAX_FRAGMENT_UNIFORM_VECTORS:
+ *params = kDefaultMaxFragmentUniformVectors;
+ break;
+ case GR_GL_MAX_FRAGMENT_UNIFORM_COMPONENTS:
+ *params = 16 * 4;
+ break;
+ case GR_GL_NUM_COMPRESSED_TEXTURE_FORMATS:
+ *params = 0;
+ break;
+ case GR_GL_COMPRESSED_TEXTURE_FORMATS:
+ break;
+ case GR_GL_MAX_TEXTURE_SIZE:
+ *params = 8192;
+ break;
+ case GR_GL_MAX_RENDERBUFFER_SIZE:
+ *params = 8192;
+ break;
+ case GR_GL_MAX_SAMPLES:
+ *params = 32;
+ break;
+ case GR_GL_MAX_VERTEX_ATTRIBS:
+ *params = kDefaultMaxVertexAttribs;
+ break;
+ case GR_GL_MAX_VARYING_VECTORS:
+ *params = kDefaultMaxVaryingVectors;
+ break;
+ case GR_GL_NUM_EXTENSIONS: {
+ GrGLint i = 0;
+ while (kExtensions[i++]);
+ *params = i;
+ break;
+ }
+ default:
+ SkFAIL("Unexpected pname to GetIntegerv");
+ }
+ }
+
+ GrGLvoid getProgramiv(GrGLuint program, GrGLenum pname, GrGLint* params) override {
+ this->getShaderOrProgramiv(program, pname, params);
+ }
+
+ GrGLvoid getProgramInfoLog(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length,
+ char* infolog) override {
+ this->getInfoLog(program, bufsize, length, infolog);
+ }
+
+ GrGLvoid getMultisamplefv(GrGLenum pname, GrGLuint index, GrGLfloat* val) override {
+ val[0] = val[1] = 0.5f;
+ }
+
+ GrGLvoid getQueryiv(GrGLenum GLtarget, GrGLenum pname, GrGLint *params) override {
+ switch (pname) {
+ case GR_GL_CURRENT_QUERY:
+ *params = 0;
+ break;
+ case GR_GL_QUERY_COUNTER_BITS:
+ *params = 32;
+ break;
+ default:
+ SkFAIL("Unexpected pname passed GetQueryiv.");
+ }
+ }
+
+ GrGLvoid getQueryObjecti64v(GrGLuint id, GrGLenum pname, GrGLint64 *params) override {
+ queryResult(id, pname, params);
+ }
+
+ GrGLvoid getQueryObjectiv(GrGLuint id, GrGLenum pname, GrGLint *params) override {
+ queryResult(id, pname, params);
+ }
+
+ GrGLvoid getQueryObjectui64v(GrGLuint id, GrGLenum pname, GrGLuint64 *params) override {
+ queryResult(id, pname, params);
+ }
+
+ GrGLvoid getQueryObjectuiv(GrGLuint id, GrGLenum pname, GrGLuint *params) override {
+ queryResult(id, pname, params);
+ }
+ GrGLvoid getShaderiv(GrGLuint shader, GrGLenum pname, GrGLint* params) override {
+ this->getShaderOrProgramiv(shader, pname, params);
+ }
+
+ GrGLvoid getShaderInfoLog(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* length,
+ char* infolog) override {
+ this->getInfoLog(shader, bufsize, length, infolog);
+ }
+
+ const GrGLubyte* getString(GrGLenum name) override {
+ switch (name) {
+ case GR_GL_EXTENSIONS:
+ return CombinedExtensionString();
+ case GR_GL_VERSION:
+ return (const GrGLubyte*)"4.0 Debug GL";
+ case GR_GL_SHADING_LANGUAGE_VERSION:
+ return (const GrGLubyte*)"4.20.8 Debug GLSL";
+ case GR_GL_VENDOR:
+ return (const GrGLubyte*)"Debug Vendor";
+ case GR_GL_RENDERER:
+ return (const GrGLubyte*)"The Debug (Non-)Renderer";
+ default:
+ SkFAIL("Unexpected name passed to GetString");
+ return nullptr;
+ }
+ }
+
+ const GrGLubyte* getStringi(GrGLenum name, GrGLuint i) override {
+ switch (name) {
+ case GR_GL_EXTENSIONS: {
+ GrGLint count;
+ this->getIntegerv(GR_GL_NUM_EXTENSIONS, &count);
+ if ((GrGLint)i <= count) {
+ return (const GrGLubyte*) kExtensions[i];
+ } else {
+ return nullptr;
+ }
+ }
+ default:
+ SkFAIL("Unexpected name passed to GetStringi");
+ return nullptr;
+ }
+ }
+
+ GrGLvoid getTexLevelParameteriv(GrGLenum target, GrGLint level, GrGLenum pname,
+ GrGLint* params) override {
+ // we used to use this to query stuff about externally created textures,
+ // now we just require clients to tell us everything about the texture.
+ SkFAIL("Should never query texture parameters.");
+ }
+
+ GrGLint getUniformLocation(GrGLuint program, const char* name) override {
+ return ++fCurrUniformLocation;
+ }
+
+ GrGLvoid* mapBufferRange(GrGLenum target, GrGLintptr offset, GrGLsizeiptr length,
+ GrGLbitfield access) override {
+ GrGLuint id = 0;
+ switch (target) {
+ case GR_GL_ARRAY_BUFFER:
+ id = fCurrArrayBuffer;
+ break;
+ case GR_GL_ELEMENT_ARRAY_BUFFER:
+ id = fCurrElementArrayBuffer;
+ break;
+ case GR_GL_PIXEL_PACK_BUFFER:
+ id = fCurrPixelPackBuffer;
+ break;
+ case GR_GL_PIXEL_UNPACK_BUFFER:
+ id = fCurrPixelUnpackBuffer;
+ break;
+ }
+
+ if (id > 0) {
+ // We just ignore the offset and length here.
+ BufferObj* buffer = fBufferManager.lookUp(id);
+ SkASSERT(!buffer->mapped());
+ buffer->setMapped(true);
+ return buffer->dataPtr();
+ }
+ return nullptr;
+ }
+
+ GrGLvoid* mapBuffer(GrGLenum target, GrGLenum access) override {
+ GrGLuint id = 0;
+ switch (target) {
+ case GR_GL_ARRAY_BUFFER:
+ id = fCurrArrayBuffer;
+ break;
+ case GR_GL_ELEMENT_ARRAY_BUFFER:
+ id = fCurrElementArrayBuffer;
+ break;
+ case GR_GL_PIXEL_PACK_BUFFER:
+ id = fCurrPixelPackBuffer;
+ break;
+ case GR_GL_PIXEL_UNPACK_BUFFER:
+ id = fCurrPixelUnpackBuffer;
+ break;
+ }
+
+ if (id > 0) {
+ BufferObj* buffer = fBufferManager.lookUp(id);
+ SkASSERT(!buffer->mapped());
+ buffer->setMapped(true);
+ return buffer->dataPtr();
+ }
+
+ SkASSERT(false);
+ return nullptr; // no buffer bound to target
+ }
+
+ GrGLboolean unmapBuffer(GrGLenum target) override {
+ GrGLuint id = 0;
+ switch (target) {
+ case GR_GL_ARRAY_BUFFER:
+ id = fCurrArrayBuffer;
+ break;
+ case GR_GL_ELEMENT_ARRAY_BUFFER:
+ id = fCurrElementArrayBuffer;
+ break;
+ case GR_GL_PIXEL_PACK_BUFFER:
+ id = fCurrPixelPackBuffer;
+ break;
+ case GR_GL_PIXEL_UNPACK_BUFFER:
+ id = fCurrPixelUnpackBuffer;
+ break;
+ }
+ if (id > 0) {
+ BufferObj* buffer = fBufferManager.lookUp(id);
+ SkASSERT(buffer->mapped());
+ buffer->setMapped(false);
+ return GR_GL_TRUE;
+ }
+
+ GrAlwaysAssert(false);
+ return GR_GL_FALSE; // GR_GL_INVALID_OPERATION;
+ }
+
+ GrGLvoid getBufferParameteriv(GrGLenum target, GrGLenum pname, GrGLint* params) override {
+ switch (pname) {
+ case GR_GL_BUFFER_MAPPED: {
+ *params = GR_GL_FALSE;
+ GrGLuint id = 0;
+ switch (target) {
+ case GR_GL_ARRAY_BUFFER:
+ id = fCurrArrayBuffer;
+ break;
+ case GR_GL_ELEMENT_ARRAY_BUFFER:
+ id = fCurrElementArrayBuffer;
+ break;
+ case GR_GL_PIXEL_PACK_BUFFER:
+ id = fCurrPixelPackBuffer;
+ break;
+ case GR_GL_PIXEL_UNPACK_BUFFER:
+ id = fCurrPixelUnpackBuffer;
+ break;
+ }
+ if (id > 0) {
+ BufferObj* buffer = fBufferManager.lookUp(id);
+ if (buffer->mapped()) {
+ *params = GR_GL_TRUE;
+ }
+ }
+ break; }
+ default:
+ SkFAIL("Unexpected pname to GetBufferParamateriv");
+ break;
+ }
+ };
+
+private:
BufferManager fBufferManager;
GrGLuint fCurrArrayBuffer;
GrGLuint fCurrElementArrayBuffer;
+ GrGLuint fCurrPixelPackBuffer;
+ GrGLuint fCurrPixelUnpackBuffer;
GrGLuint fCurrProgramID;
GrGLuint fCurrShaderID;
+ GrGLuint fCurrGenericID;
+ GrGLuint fCurrUniformLocation;
- static ThreadContext* Get() {
- return reinterpret_cast<ThreadContext*>(SkTLS::Get(Create, Delete));
- }
+ // the OpenGLES 2.0 spec says this must be >= 128
+ static const GrGLint kDefaultMaxVertexUniformVectors = 128;
- ThreadContext()
- : fCurrArrayBuffer(0)
- , fCurrElementArrayBuffer(0)
- , fCurrProgramID(0)
- , fCurrShaderID(0) {}
+ // the OpenGLES 2.0 spec says this must be >=16
+ static const GrGLint kDefaultMaxFragmentUniformVectors = 16;
-private:
- static void* Create() { return new ThreadContext; }
- static void Delete(void* context) { delete reinterpret_cast<ThreadContext*>(context); }
-};
+ // the OpenGLES 2.0 spec says this must be >= 8
+ static const GrGLint kDefaultMaxVertexAttribs = 8;
-// Functions not declared in GrGLBogusInterface.h (not common with the Debug GL interface).
-
-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) {
- ThreadContext* ctx = ThreadContext::Get();
- for (int i = 0; i < n; ++i) {
- BufferObj* buffer = ctx->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) {
- ThreadContext* ctx = ThreadContext::Get();
- GrGLuint id = 0;
-
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = ctx->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = ctx->fCurrElementArrayBuffer;
- break;
- default:
- SkFAIL("Unexpected target to nullGLBufferData");
- break;
- }
-
- if (id > 0) {
- BufferObj* buffer = ctx->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 ++ThreadContext::Get()->fCurrProgramID;
-}
-
-GrGLuint GR_GL_FUNCTION_TYPE nullGLCreateShader(GrGLenum type) {
- return ++ThreadContext::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) {
- ThreadContext* ctx = ThreadContext::Get();
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- ctx->fCurrArrayBuffer = buffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- ctx->fCurrElementArrayBuffer = buffer;
- break;
- }
-}
-
-// deleting a bound buffer has the side effect of binding 0
-GrGLvoid GR_GL_FUNCTION_TYPE nullGLDeleteBuffers(GrGLsizei n, const GrGLuint* ids) {
- ThreadContext* ctx = ThreadContext::Get();
- for (int i = 0; i < n; ++i) {
- if (ids[i] == ctx->fCurrArrayBuffer) {
- ctx->fCurrArrayBuffer = 0;
- }
- if (ids[i] == ctx->fCurrElementArrayBuffer) {
- ctx->fCurrElementArrayBuffer = 0;
- }
+ // the OpenGLES 2.0 spec says this must be >= 8
+ static const GrGLint kDefaultMaxVaryingVectors = 8;
- BufferObj* buffer = ctx->fBufferManager.lookUp(ids[i]);
- ctx->fBufferManager.free(buffer);
- }
-}
-
-GrGLvoid* GR_GL_FUNCTION_TYPE nullGLMapBufferRange(GrGLenum target, GrGLintptr offset,
- GrGLsizeiptr length, GrGLbitfield access) {
- ThreadContext* ctx = ThreadContext::Get();
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = ctx->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = ctx->fCurrElementArrayBuffer;
- break;
- }
-
- if (id > 0) {
- // We just ignore the offset and length here.
- BufferObj* buffer = ctx->fBufferManager.lookUp(id);
- SkASSERT(!buffer->mapped());
- buffer->setMapped(true);
- return buffer->dataPtr();
- }
- return nullptr;
-}
-
-GrGLvoid* GR_GL_FUNCTION_TYPE nullGLMapBuffer(GrGLenum target, GrGLenum access) {
- ThreadContext* ctx = ThreadContext::Get();
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = ctx->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = ctx->fCurrElementArrayBuffer;
- break;
- }
-
- if (id > 0) {
- BufferObj* buffer = ctx->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) {
- ThreadContext* ctx = ThreadContext::Get();
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = ctx->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = ctx->fCurrElementArrayBuffer;
- break;
- }
- if (id > 0) {
- BufferObj* buffer = ctx->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) {
- ThreadContext* ctx = ThreadContext::Get();
- switch (pname) {
- case GR_GL_BUFFER_MAPPED: {
- *params = GR_GL_FALSE;
- GrGLuint id = 0;
- switch (target) {
- case GR_GL_ARRAY_BUFFER:
- id = ctx->fCurrArrayBuffer;
- break;
- case GR_GL_ELEMENT_ARRAY_BUFFER:
- id = ctx->fCurrElementArrayBuffer;
- break;
- }
- if (id > 0) {
- BufferObj* buffer = ctx->fBufferManager.lookUp(id);
- if (buffer->mapped()) {
- *params = GR_GL_TRUE;
+ static const char* kExtensions[];
+
+ static const GrGLubyte* CombinedExtensionString() {
+ static SkString gExtString;
+ static SkMutex gMutex;
+ gMutex.acquire();
+ if (0 == gExtString.size()) {
+ int i = 0;
+ while (kExtensions[i]) {
+ if (i > 0) {
+ gExtString.append(" ");
}
+ gExtString.append(kExtensions[i]);
+ ++i;
}
- break; }
- default:
- SkFAIL("Unexpected pname to GetBufferParamateriv");
- break;
+ }
+ gMutex.release();
+ return (const GrGLubyte*) gExtString.c_str();
+ }
+
+ GrGLvoid genGenericIds(GrGLsizei n, GrGLuint* ids) {
+ for (int i = 0; i < n; ++i) {
+ ids[i] = ++fCurrGenericID;
+ }
+ }
+
+ GrGLvoid getInfoLog(GrGLuint object, GrGLsizei bufsize, GrGLsizei* length,
+ char* infolog) {
+ if (length) {
+ *length = 0;
+ }
+ if (bufsize > 0) {
+ *infolog = 0;
+ }
+ }
+
+ GrGLvoid getShaderOrProgramiv(GrGLuint object, GrGLenum pname, GrGLint* params) {
+ switch (pname) {
+ case GR_GL_LINK_STATUS: // fallthru
+ case GR_GL_COMPILE_STATUS:
+ *params = GR_GL_TRUE;
+ break;
+ case GR_GL_INFO_LOG_LENGTH:
+ *params = 0;
+ break;
+ // we don't expect any other pnames
+ default:
+ SkFAIL("Unexpected pname to GetProgramiv");
+ break;
+ }
+ }
+
+ template <typename T>
+ void queryResult(GrGLenum GLtarget, GrGLenum pname, T *params) {
+ switch (pname) {
+ case GR_GL_QUERY_RESULT_AVAILABLE:
+ *params = GR_GL_TRUE;
+ break;
+ case GR_GL_QUERY_RESULT:
+ *params = 0;
+ break;
+ default:
+ SkFAIL("Unexpected pname passed to GetQueryObject.");
+ break;
+ }
}
};
-} // end anonymous namespace
-
-const GrGLInterface* GrGLCreateNullInterface() {
- GrGLInterface* interface = new GrGLInterface;
-
- 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;
-}
+const char* NullInterface::kExtensions[] = {
+ "GL_ARB_framebuffer_object",
+ "GL_ARB_blend_func_extended",
+ "GL_ARB_timer_query",
+ "GL_ARB_draw_buffers",
+ "GL_ARB_occlusion_query",
+ "GL_EXT_stencil_wrap",
+ nullptr, // signifies the end of the array.
+};
+
+} // anonymous namespace
+
+const GrGLInterface* GrGLCreateNullInterface() { return new NullInterface; }
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