wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity
fb2d6dc1a4
gecko/gfx/gl/GLContext.h
Ryan VanderMeulen fb2d6dc1a4 Backed out 6 changesets (bug 913985) for suspicion of causing intermittent Android crashes on a CLOSED TREE. 
Backed out changeset de21920d2b8e (bug 913985)
Backed out changeset f0f5497d65bb (bug 913985)
Backed out changeset 1e16ca4ad801 (bug 913985)
Backed out changeset 9c069a0820ea (bug 913985)
Backed out changeset 274df3abc991 (bug 913985)
Backed out changeset 05fe8b17516a (bug 913985)

--HG--
rename : build/annotationProcessors/AnnotationInfo.java => build/annotationProcessors/MethodWithAnnotationInfo.java
rename : build/annotationProcessors/utils/AlphabeticAnnotatableEntityComparator.java => build/annotationProcessors/utils/AlphabeticMethodComparator.java
rename : build/annotationProcessors/utils/GeneratableElementIterator.java => build/annotationProcessors/utils/GeneratableEntryPointIterator.java
rename : mobile/android/base/mozglue/generatorannotations/WrapElementForJNI.java => mobile/android/base/mozglue/GeneratableAndroidBridgeTarget.java
rename : mobile/android/base/mozglue/generatorannotations/OptionalGeneratedParameter.java => mobile/android/base/mozglue/OptionalGeneratedParameter.java
2013-09-27 17:02:09 -04:00

3676 lines
112 KiB
C++
Raw Blame History

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 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/. */
#ifndef GLCONTEXT_H_
#define GLCONTEXT_H_
#include <stdio.h>
#include <stdint.h>
#include <ctype.h>
#include <map>
#include <bitset>
#ifdef DEBUG
#include <string.h>
#endif
#ifdef WIN32
#include <windows.h>
#endif
#ifdef GetClassName
#undef GetClassName
#endif
#include "GLDefs.h"
#include "GLLibraryLoader.h"
#include "gfxImageSurface.h"
#include "gfx3DMatrix.h"
#include "nsISupportsImpl.h"
#include "plstr.h"
#include "nsDataHashtable.h"
#include "nsHashKeys.h"
#include "nsAutoPtr.h"
#include "GLContextTypes.h"
#include "GLTextureImage.h"
#include "SurfaceTypes.h"
#include "GLScreenBuffer.h"
#include "GLContextSymbols.h"
#include "mozilla/GenericRefCounted.h"
class nsIntRegion;
class nsIRunnable;
class nsIThread;
namespace android {
class GraphicBuffer;
}
namespace mozilla {
namespace gfx {
class SharedSurface;
class SourceSurface;
class DataSourceSurface;
struct SurfaceCaps;
}
namespace gl {
class GLContext;
class GLLibraryEGL;
class GLScreenBuffer;
class TextureGarbageBin;
}
namespace layers {
class ColorTextureLayerProgram;
class LayerManagerOGL;
}
}
namespace mozilla {
namespace gl {
/** GLFeature::Enum
* We don't use typed enum to keep the implicit integer conversion.
* This enum should be sorted by name.
*/
namespace GLFeature {
enum Enum {
bind_buffer_offset,
blend_minmax,
depth_texture,
draw_buffers,
draw_instanced,
element_index_uint,
ES2_compatibility,
ES3_compatibility,
framebuffer_blit,
framebuffer_multisample,
framebuffer_object,
get_query_object_iv,
instanced_arrays,
instanced_non_arrays,
occlusion_query,
occlusion_query_boolean,
occlusion_query2,
packed_depth_stencil,
query_objects,
robustness,
standard_derivatives,
texture_float,
texture_float_linear,
texture_non_power_of_two,
transform_feedback,
vertex_array_object,
EnumMax
};
}
MOZ_BEGIN_ENUM_CLASS(ContextProfile, uint8_t)
Unknown = 0,
OpenGL, // only for IsAtLeast's <profile> parameter
OpenGLCore,
OpenGLCompatibility,
OpenGLES
MOZ_END_ENUM_CLASS(ContextProfile)
class GLContext
: public GLLibraryLoader
, public GenericAtomicRefCounted
{
// -----------------------------------------------------------------------------
// basic enums
public:
enum {
VendorIntel,
VendorNVIDIA,
VendorATI,
VendorQualcomm,
VendorImagination,
VendorNouveau,
VendorOther
};
enum {
RendererAdreno200,
RendererAdreno205,
RendererAdrenoTM205,
RendererAdrenoTM320,
RendererSGX530,
RendererSGX540,
RendererTegra,
RendererAndroidEmulator,
RendererOther
};
// -----------------------------------------------------------------------------
// basic getters
public:
/**
* Returns true if the context is using ANGLE. This should only be overridden
* for an ANGLE implementation.
*/
virtual bool IsANGLE() {
return false;
}
/**
* Return true if we are running on a OpenGL core profile context
*/
inline bool IsCoreProfile() const {
MOZ_ASSERT(mProfile != ContextProfile::Unknown, "unknown context profile");
return mProfile == ContextProfile::OpenGLCore;
}
/**
* Return true if we are running on a OpenGL compatibility profile context
* (legacy profile 2.1 on Max OS X)
*/
inline bool IsCompatibilityProfile() const {
MOZ_ASSERT(mProfile != ContextProfile::Unknown, "unknown context profile");
return mProfile == ContextProfile::OpenGLCompatibility;
}
/**
* Return true if the context is a true OpenGL ES context or an ANGLE context
*/
inline bool IsGLES() const {
MOZ_ASSERT(mProfile != ContextProfile::Unknown, "unknown context profile");
return mProfile == ContextProfile::OpenGLES;
}
static const char* GetProfileName(ContextProfile profile)
{
switch (profile)
{
case ContextProfile::OpenGL:
return "OpenGL";
case ContextProfile::OpenGLCore:
return "OpenGL Core";
case ContextProfile::OpenGLCompatibility:
return "OpenGL Compatibility";
case ContextProfile::OpenGLES:
return "OpenGL ES";
default:
break;
}
MOZ_ASSERT(profile != ContextProfile::Unknown, "unknown context profile");
return "OpenGL unknown profile";
}
/**
* Return true if we are running on a OpenGL core profile context
*/
const char* ProfileString() const {
return GetProfileName(mProfile);
}
/**
* Return true if the context is compatible with given parameters
*
* IsAtLeast(ContextProfile::OpenGL, N) is exactly same as
* IsAtLeast(ContextProfile::OpenGLCore, N) || IsAtLeast(ContextProfile::OpenGLCompatibility, N)
*/
inline bool IsAtLeast(ContextProfile profile, unsigned int version) const
{
MOZ_ASSERT(profile != ContextProfile::Unknown, "IsAtLeast: bad <profile> parameter");
MOZ_ASSERT(mProfile != ContextProfile::Unknown, "unknown context profile");
MOZ_ASSERT(mVersion != 0, "unknown context version");
if (version > mVersion) {
return false;
}
if (profile == ContextProfile::OpenGL) {
return profile == ContextProfile::OpenGLCore ||
profile == ContextProfile::OpenGLCompatibility;
}
return profile == mProfile;
}
/**
* Return the version of the context.
* Example :
* If this a OpenGL 2.1, that will return 210
*/
inline unsigned int Version() const {
return mVersion;
}
const char* VersionString() const {
return mVersionString.get();
}
int Vendor() const {
return mVendor;
}
int Renderer() const {
return mRenderer;
}
bool IsContextLost() const {
return mContextLost;
}
/**
* If this context is double-buffered, returns TRUE.
*/
virtual bool IsDoubleBuffered() {
return false;
}
virtual GLContextType GetContextType() {
return ContextTypeUnknown;
}
virtual bool IsCurrent() = 0;
/**
* If this context is the GLES2 API, returns TRUE.
* This means that various GLES2 restrictions might be in effect (modulo
* extensions).
*/
inline bool IsGLES2() const {
return IsAtLeast(ContextProfile::OpenGLES, 200);
}
protected:
bool mInitialized;
bool mIsOffscreen;
bool mIsGlobalSharedContext;
bool mContextLost;
/**
* mVersion store the OpenGL's version, multiplied by 100. For example, if
* the context is an OpenGL 2.1 context, mVersion value will be 210.
*/
unsigned int mVersion;
nsCString mVersionString;
ContextProfile mProfile;
int32_t mVendor;
int32_t mRenderer;
inline void SetProfileVersion(ContextProfile profile, unsigned int version) {
MOZ_ASSERT(!mInitialized, "SetProfileVersion can only be called before initialization!");
MOZ_ASSERT(profile != ContextProfile::Unknown && profile != ContextProfile::OpenGL, "Invalid `profile` for SetProfileVersion");
MOZ_ASSERT(version >= 100, "Invalid `version` for SetProfileVersion");
mVersion = version;
mProfile = profile;
}
// -----------------------------------------------------------------------------
// Extensions management
/**
* This mechanism is designed to know if an extension is supported. In the long
* term, we would like to only use the extension group queries XXX_* to have
* full compatibility with context version and profiles (especialy the core that
* officialy don't bring any extensions).
*/
public:
/**
* Known GL extensions that can be queried by
* IsExtensionSupported. The results of this are cached, and as
* such it's safe to use this even in performance critical code.
* If you add to this array, remember to add to the string names
* in GLContext.cpp.
*/
enum GLExtensions {
EXT_framebuffer_object,
ARB_framebuffer_object,
ARB_texture_rectangle,
EXT_bgra,
EXT_texture_format_BGRA8888,
OES_depth24,
OES_depth32,
OES_stencil8,
OES_texture_npot,
ARB_depth_texture,
OES_depth_texture,
OES_packed_depth_stencil,
IMG_read_format,
EXT_read_format_bgra,
APPLE_client_storage,
ARB_texture_non_power_of_two,
ARB_pixel_buffer_object,
ARB_ES2_compatibility,
ARB_ES3_compatibility,
OES_texture_float,
OES_texture_float_linear,
ARB_texture_float,
EXT_unpack_subimage,
OES_standard_derivatives,
EXT_texture_filter_anisotropic,
EXT_texture_compression_s3tc,
EXT_texture_compression_dxt1,
ANGLE_texture_compression_dxt3,
ANGLE_texture_compression_dxt5,
AMD_compressed_ATC_texture,
IMG_texture_compression_pvrtc,
EXT_framebuffer_blit,
ANGLE_framebuffer_blit,
EXT_framebuffer_multisample,
ANGLE_framebuffer_multisample,
OES_rgb8_rgba8,
ARB_robustness,
EXT_robustness,
ARB_sync,
OES_EGL_image,
OES_EGL_sync,
OES_EGL_image_external,
EXT_packed_depth_stencil,
OES_element_index_uint,
OES_vertex_array_object,
ARB_vertex_array_object,
APPLE_vertex_array_object,
ARB_draw_buffers,
EXT_draw_buffers,
EXT_gpu_shader4,
EXT_blend_minmax,
ARB_draw_instanced,
EXT_draw_instanced,
NV_draw_instanced,
ARB_instanced_arrays,
NV_instanced_arrays,
ANGLE_instanced_arrays,
EXT_occlusion_query_boolean,
ARB_occlusion_query2,
EXT_transform_feedback,
NV_transform_feedback,
Extensions_Max,
Extensions_End
};
bool IsExtensionSupported(GLExtensions aKnownExtension) const {
return mAvailableExtensions[aKnownExtension];
}
void MarkExtensionUnsupported(GLExtensions aKnownExtension) {
mAvailableExtensions[aKnownExtension] = 0;
}
void MarkExtensionSupported(GLExtensions aKnownExtension) {
mAvailableExtensions[aKnownExtension] = 1;
}
public:
template<size_t N>
static void InitializeExtensionsBitSet(std::bitset<N>& extensionsBitset, const char* extStr, const char** extList, bool verbose = false)
{
char* exts = strdup(extStr);
if (verbose)
printf_stderr("Extensions: %s\n", exts);
char* cur = exts;
bool done = false;
while (!done) {
char* space = strchr(cur, ' ');
if (space) {
*space = '\0';
} else {
done = true;
}
for (int i = 0; extList[i]; ++i) {
if (PL_strcasecmp(cur, extList[i]) == 0) {
if (verbose)
printf_stderr("Found extension %s\n", cur);
extensionsBitset[i] = true;
}
}
cur = space + 1;
}
free(exts);
}
protected:
std::bitset<Extensions_Max> mAvailableExtensions;
// -----------------------------------------------------------------------------
// Feature queries
/*
* This mecahnism introduces a new way to check if a OpenGL feature is
* supported, regardless of whether it is supported by an extension or natively
* by the context version/profile
*/
public:
bool IsSupported(GLFeature::Enum feature) const {
return mAvailableFeatures[feature];
}
static const char* GetFeatureName(GLFeature::Enum feature);
private:
std::bitset<GLFeature::EnumMax> mAvailableFeatures;
/**
* Init features regarding OpenGL extension and context version and profile
*/
void InitFeatures();
/**
* Mark the feature and associated extensions as unsupported
*/
void MarkUnsupported(GLFeature::Enum feature);
// -----------------------------------------------------------------------------
// Robustness handling
public:
bool HasRobustness() {
return mHasRobustness;
}
/**
* The derived class is expected to provide information on whether or not it
* supports robustness.
*/
virtual bool SupportsRobustness() = 0;
private:
bool mHasRobustness;
// -----------------------------------------------------------------------------
// Error handling
public:
static const char* GLErrorToString(GLenum aError)
{
switch (aError) {
case LOCAL_GL_INVALID_ENUM:
return "GL_INVALID_ENUM";
case LOCAL_GL_INVALID_VALUE:
return "GL_INVALID_VALUE";
case LOCAL_GL_INVALID_OPERATION:
return "GL_INVALID_OPERATION";
case LOCAL_GL_STACK_OVERFLOW:
return "GL_STACK_OVERFLOW";
case LOCAL_GL_STACK_UNDERFLOW:
return "GL_STACK_UNDERFLOW";
case LOCAL_GL_OUT_OF_MEMORY:
return "GL_OUT_OF_MEMORY";
case LOCAL_GL_TABLE_TOO_LARGE:
return "GL_TABLE_TOO_LARGE";
case LOCAL_GL_INVALID_FRAMEBUFFER_OPERATION:
return "GL_INVALID_FRAMEBUFFER_OPERATION";
default:
return "";
}
}
/** \returns the first GL error, and guarantees that all GL error flags are cleared,
* i.e. that a subsequent GetError call will return NO_ERROR
*/
GLenum GetAndClearError()
{
// the first error is what we want to return
GLenum error = fGetError();
if (error) {
// clear all pending errors
while(fGetError()) {}
}
return error;
}
/*** In GL debug mode, we completely override glGetError ***/
GLenum fGetError()
{
#ifdef DEBUG
// debug mode ends up eating the error in AFTER_GL_CALL
if (DebugMode()) {
GLenum err = mGLError;
mGLError = LOCAL_GL_NO_ERROR;
return err;
}
#endif // DEBUG
return mSymbols.fGetError();
}
#ifdef DEBUG
private:
GLenum mGLError;
#endif // DEBUG
// -----------------------------------------------------------------------------
// MOZ_GL_DEBUG implementation
private:
#undef BEFORE_GL_CALL
#undef AFTER_GL_CALL
#ifdef DEBUG
#ifndef MOZ_FUNCTION_NAME
# ifdef __GNUC__
# define MOZ_FUNCTION_NAME __PRETTY_FUNCTION__
# elif defined(_MSC_VER)
# define MOZ_FUNCTION_NAME __FUNCTION__
# else
# define MOZ_FUNCTION_NAME __func__ // defined in C99, supported in various C++ compilers. Just raw function name.
# endif
#endif
void BeforeGLCall(const char* glFunction)
{
MOZ_ASSERT(IsCurrent());
if (DebugMode()) {
GLContext *currentGLContext = nullptr;
currentGLContext = (GLContext*)PR_GetThreadPrivate(sCurrentGLContextTLS);
if (DebugMode() & DebugTrace)
printf_stderr("[gl:%p] > %s\n", this, glFunction);
if (this != currentGLContext) {
printf_stderr("Fatal: %s called on non-current context %p. "
"The current context for this thread is %p.\n",
glFunction, this, currentGLContext);
NS_ABORT();
}
}
}
void AfterGLCall(const char* glFunction)
{
if (DebugMode()) {
// calling fFinish() immediately after every GL call makes sure that if this GL command crashes,
// the stack trace will actually point to it. Otherwise, OpenGL being an asynchronous API, stack traces
// tend to be meaningless
mSymbols.fFinish();
mGLError = mSymbols.fGetError();
if (DebugMode() & DebugTrace)
printf_stderr("[gl:%p] < %s [0x%04x]\n", this, glFunction, mGLError);
if (mGLError != LOCAL_GL_NO_ERROR) {
printf_stderr("GL ERROR: %s generated GL error %s(0x%04x)\n",
glFunction,
GLErrorToString(mGLError),
mGLError);
if (DebugMode() & DebugAbortOnError)
NS_ABORT();
}
}
}
GLContext *TrackingContext()
{
GLContext *tip = this;
while (tip->mSharedContext)
tip = tip->mSharedContext;
return tip;
}
#define BEFORE_GL_CALL \
do { \
BeforeGLCall(MOZ_FUNCTION_NAME); \
} while (0)
#define AFTER_GL_CALL \
do { \
AfterGLCall(MOZ_FUNCTION_NAME); \
} while (0)
#define TRACKING_CONTEXT(a) \
do { \
TrackingContext()->a; \
} while (0)
#else // ifdef DEBUG
#define BEFORE_GL_CALL do { } while (0)
#define AFTER_GL_CALL do { } while (0)
#define TRACKING_CONTEXT(a) do {} while (0)
#endif // ifdef DEBUG
#define ASSERT_SYMBOL_PRESENT(func) \
do {\
MOZ_ASSERT(strstr(MOZ_FUNCTION_NAME, #func) != nullptr, "Mismatched symbol check.");\
if (MOZ_UNLIKELY(!mSymbols.func)) {\
printf_stderr("RUNTIME ASSERT: Uninitialized GL function: %s\n", #func);\
MOZ_CRASH();\
}\
} while (0)
// Do whatever setup is necessary to draw to our offscreen FBO, if it's
// bound.
void BeforeGLDrawCall() {
}
// Do whatever tear-down is necessary after drawing to our offscreen FBO,
// if it's bound.
void AfterGLDrawCall()
{
if (mScreen)
mScreen->AfterDrawCall();
}
// Do whatever setup is necessary to read from our offscreen FBO, if it's
// bound.
void BeforeGLReadCall()
{
if (mScreen)
mScreen->BeforeReadCall();
}
// Do whatever tear-down is necessary after reading from our offscreen FBO,
// if it's bound.
void AfterGLReadCall() {
}
// -----------------------------------------------------------------------------
// GL official entry points
public:
void fActiveTexture(GLenum texture) {
BEFORE_GL_CALL;
mSymbols.fActiveTexture(texture);
AFTER_GL_CALL;
}
void fAttachShader(GLuint program, GLuint shader) {
BEFORE_GL_CALL;
mSymbols.fAttachShader(program, shader);
AFTER_GL_CALL;
}
void fBeginQuery(GLenum target, GLuint id) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fBeginQuery);
mSymbols.fBeginQuery(target, id);
AFTER_GL_CALL;
}
void fBindAttribLocation(GLuint program, GLuint index, const GLchar* name) {
BEFORE_GL_CALL;
mSymbols.fBindAttribLocation(program, index, name);
AFTER_GL_CALL;
}
void fBindBuffer(GLenum target, GLuint buffer) {
BEFORE_GL_CALL;
mSymbols.fBindBuffer(target, buffer);
AFTER_GL_CALL;
}
void fBindFramebuffer(GLenum target, GLuint framebuffer) {
if (!mScreen) {
raw_fBindFramebuffer(target, framebuffer);
return;
}
switch (target) {
case LOCAL_GL_DRAW_FRAMEBUFFER_EXT:
mScreen->BindDrawFB(framebuffer);
return;
case LOCAL_GL_READ_FRAMEBUFFER_EXT:
mScreen->BindReadFB(framebuffer);
return;
case LOCAL_GL_FRAMEBUFFER:
mScreen->BindFB(framebuffer);
return;
default:
// Nothing we care about, likely an error.
break;
}
raw_fBindFramebuffer(target, framebuffer);
}
void fBindTexture(GLenum target, GLuint texture) {
BEFORE_GL_CALL;
mSymbols.fBindTexture(target, texture);
AFTER_GL_CALL;
}
void fBlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
BEFORE_GL_CALL;
mSymbols.fBlendColor(red, green, blue, alpha);
AFTER_GL_CALL;
}
void fBlendEquation(GLenum mode) {
BEFORE_GL_CALL;
mSymbols.fBlendEquation(mode);
AFTER_GL_CALL;
}
void fBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) {
BEFORE_GL_CALL;
mSymbols.fBlendEquationSeparate(modeRGB, modeAlpha);
AFTER_GL_CALL;
}
void fBlendFunc(GLenum sfactor, GLenum dfactor) {
BEFORE_GL_CALL;
mSymbols.fBlendFunc(sfactor, dfactor);
AFTER_GL_CALL;
}
void fBlendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha) {
BEFORE_GL_CALL;
mSymbols.fBlendFuncSeparate(sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha);
AFTER_GL_CALL;
}
private:
void raw_fBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage) {
BEFORE_GL_CALL;
mSymbols.fBufferData(target, size, data, usage);
AFTER_GL_CALL;
}
public:
void fBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage) {
raw_fBufferData(target, size, data, usage);
// bug 744888
if (WorkAroundDriverBugs() &&
!data &&
Vendor() == VendorNVIDIA)
{
char c = 0;
fBufferSubData(target, size-1, 1, &c);
}
}
void fBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data) {
BEFORE_GL_CALL;
mSymbols.fBufferSubData(target, offset, size, data);
AFTER_GL_CALL;
}
private:
void raw_fClear(GLbitfield mask) {
BEFORE_GL_CALL;
mSymbols.fClear(mask);
AFTER_GL_CALL;
}
public:
void fClear(GLbitfield mask) {
BeforeGLDrawCall();
raw_fClear(mask);
AfterGLDrawCall();
}
void fClearColor(GLclampf r, GLclampf g, GLclampf b, GLclampf a) {
BEFORE_GL_CALL;
mSymbols.fClearColor(r, g, b, a);
AFTER_GL_CALL;
}
void fClearStencil(GLint s) {
BEFORE_GL_CALL;
mSymbols.fClearStencil(s);
AFTER_GL_CALL;
}
void fColorMask(realGLboolean red, realGLboolean green, realGLboolean blue, realGLboolean alpha) {
BEFORE_GL_CALL;
mSymbols.fColorMask(red, green, blue, alpha);
AFTER_GL_CALL;
}
void fCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid *pixels) {
BEFORE_GL_CALL;
mSymbols.fCompressedTexImage2D(target, level, internalformat, width, height, border, imageSize, pixels);
AFTER_GL_CALL;
}
void fCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid *pixels) {
BEFORE_GL_CALL;
mSymbols.fCompressedTexSubImage2D(target, level, xoffset, yoffset, width, height, format, imageSize, pixels);
AFTER_GL_CALL;
}
void fCopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) {
y = FixYValue(y, height);
if (!IsTextureSizeSafeToPassToDriver(target, width, height)) {
// pass wrong values to cause the GL to generate GL_INVALID_VALUE.
// See bug 737182 and the comment in IsTextureSizeSafeToPassToDriver.
level = -1;
width = -1;
height = -1;
border = -1;
}
BeforeGLReadCall();
raw_fCopyTexImage2D(target, level, internalformat,
x, y, width, height, border);
AfterGLReadCall();
}
void fCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) {
y = FixYValue(y, height);
BeforeGLReadCall();
raw_fCopyTexSubImage2D(target, level, xoffset, yoffset,
x, y, width, height);
AfterGLReadCall();
}
void fCullFace(GLenum mode) {
BEFORE_GL_CALL;
mSymbols.fCullFace(mode);
AFTER_GL_CALL;
}
void fDetachShader(GLuint program, GLuint shader) {
BEFORE_GL_CALL;
mSymbols.fDetachShader(program, shader);
AFTER_GL_CALL;
}
void fDepthFunc(GLenum func) {
BEFORE_GL_CALL;
mSymbols.fDepthFunc(func);
AFTER_GL_CALL;
}
void fDepthMask(realGLboolean flag) {
BEFORE_GL_CALL;
mSymbols.fDepthMask(flag);
AFTER_GL_CALL;
}
void fDisable(GLenum capability) {
BEFORE_GL_CALL;
mSymbols.fDisable(capability);
AFTER_GL_CALL;
}
void fDisableVertexAttribArray(GLuint index) {
BEFORE_GL_CALL;
mSymbols.fDisableVertexAttribArray(index);
AFTER_GL_CALL;
}
void fDrawBuffer(GLenum mode) {
BEFORE_GL_CALL;
mSymbols.fDrawBuffer(mode);
AFTER_GL_CALL;
}
private:
void raw_fDrawArrays(GLenum mode, GLint first, GLsizei count) {
BEFORE_GL_CALL;
mSymbols.fDrawArrays(mode, first, count);
AFTER_GL_CALL;
}
void raw_fDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) {
BEFORE_GL_CALL;
mSymbols.fDrawElements(mode, count, type, indices);
AFTER_GL_CALL;
}
public:
void fDrawArrays(GLenum mode, GLint first, GLsizei count) {
BeforeGLDrawCall();
raw_fDrawArrays(mode, first, count);
AfterGLDrawCall();
}
void fDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices) {
BeforeGLDrawCall();
raw_fDrawElements(mode, count, type, indices);
AfterGLDrawCall();
}
void fEnable(GLenum capability) {
BEFORE_GL_CALL;
mSymbols.fEnable(capability);
AFTER_GL_CALL;
}
void fEnableVertexAttribArray(GLuint index) {
BEFORE_GL_CALL;
mSymbols.fEnableVertexAttribArray(index);
AFTER_GL_CALL;
}
void fEndQuery(GLenum target) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fEndQuery);
mSymbols.fEndQuery(target);
AFTER_GL_CALL;
}
void fFinish() {
BEFORE_GL_CALL;
mSymbols.fFinish();
AFTER_GL_CALL;
}
void fFlush() {
BEFORE_GL_CALL;
mSymbols.fFlush();
AFTER_GL_CALL;
}
void fFrontFace(GLenum face) {
BEFORE_GL_CALL;
mSymbols.fFrontFace(face);
AFTER_GL_CALL;
}
void fGetActiveAttrib(GLuint program, GLuint index, GLsizei maxLength, GLsizei* length, GLint* size, GLenum* type, GLchar* name) {
BEFORE_GL_CALL;
mSymbols.fGetActiveAttrib(program, index, maxLength, length, size, type, name);
AFTER_GL_CALL;
}
void fGetActiveUniform(GLuint program, GLuint index, GLsizei maxLength, GLsizei* length, GLint* size, GLenum* type, GLchar* name) {
BEFORE_GL_CALL;
mSymbols.fGetActiveUniform(program, index, maxLength, length, size, type, name);
AFTER_GL_CALL;
}
void fGetAttachedShaders(GLuint program, GLsizei maxCount, GLsizei* count, GLuint* shaders) {
BEFORE_GL_CALL;
mSymbols.fGetAttachedShaders(program, maxCount, count, shaders);
AFTER_GL_CALL;
}
GLint fGetAttribLocation (GLuint program, const GLchar* name) {
BEFORE_GL_CALL;
GLint retval = mSymbols.fGetAttribLocation(program, name);
AFTER_GL_CALL;
return retval;
}
private:
void raw_fGetIntegerv(GLenum pname, GLint *params) {
BEFORE_GL_CALL;
mSymbols.fGetIntegerv(pname, params);
AFTER_GL_CALL;
}
public:
void fGetIntegerv(GLenum pname, GLint *params) {
switch (pname)
{
// LOCAL_GL_FRAMEBUFFER_BINDING is equal to
// LOCAL_GL_DRAW_FRAMEBUFFER_BINDING_EXT,
// so we don't need two cases.
case LOCAL_GL_DRAW_FRAMEBUFFER_BINDING_EXT:
if (mScreen) {
*params = mScreen->GetDrawFB();
} else {
raw_fGetIntegerv(pname, params);
}
break;
case LOCAL_GL_READ_FRAMEBUFFER_BINDING_EXT:
if (mScreen) {
*params = mScreen->GetReadFB();
} else {
raw_fGetIntegerv(pname, params);
}
break;
case LOCAL_GL_MAX_TEXTURE_SIZE:
MOZ_ASSERT(mMaxTextureSize>0);
*params = mMaxTextureSize;
break;
case LOCAL_GL_MAX_CUBE_MAP_TEXTURE_SIZE:
MOZ_ASSERT(mMaxCubeMapTextureSize>0);
*params = mMaxCubeMapTextureSize;
break;
case LOCAL_GL_MAX_RENDERBUFFER_SIZE:
MOZ_ASSERT(mMaxRenderbufferSize>0);
*params = mMaxRenderbufferSize;
break;
default:
raw_fGetIntegerv(pname, params);
break;
}
}
void GetUIntegerv(GLenum pname, GLuint *params) {
fGetIntegerv(pname, reinterpret_cast<GLint*>(params));
}
void fGetFloatv(GLenum pname, GLfloat *params) {
BEFORE_GL_CALL;
mSymbols.fGetFloatv(pname, params);
AFTER_GL_CALL;
}
void fGetBooleanv(GLenum pname, realGLboolean *params) {
BEFORE_GL_CALL;
mSymbols.fGetBooleanv(pname, params);
AFTER_GL_CALL;
}
void fGetBufferParameteriv(GLenum target, GLenum pname, GLint* params) {
BEFORE_GL_CALL;
mSymbols.fGetBufferParameteriv(target, pname, params);
AFTER_GL_CALL;
}
void fGenerateMipmap(GLenum target) {
BEFORE_GL_CALL;
mSymbols.fGenerateMipmap(target);
AFTER_GL_CALL;
}
void fGetProgramiv(GLuint program, GLenum pname, GLint* param) {
BEFORE_GL_CALL;
mSymbols.fGetProgramiv(program, pname, param);
AFTER_GL_CALL;
}
void fGetProgramInfoLog(GLuint program, GLsizei bufSize, GLsizei* length, GLchar* infoLog) {
BEFORE_GL_CALL;
mSymbols.fGetProgramInfoLog(program, bufSize, length, infoLog);
AFTER_GL_CALL;
}
void fTexParameteri(GLenum target, GLenum pname, GLint param) {
BEFORE_GL_CALL;
mSymbols.fTexParameteri(target, pname, param);
AFTER_GL_CALL;
}
void fTexParameteriv(GLenum target, GLenum pname, GLint* params) {
BEFORE_GL_CALL;
mSymbols.fTexParameteriv(target, pname, params);
AFTER_GL_CALL;
}
void fTexParameterf(GLenum target, GLenum pname, GLfloat param) {
BEFORE_GL_CALL;
mSymbols.fTexParameterf(target, pname, param);
AFTER_GL_CALL;
}
const GLubyte* fGetString(GLenum name) {
BEFORE_GL_CALL;
const GLubyte *result = mSymbols.fGetString(name);
AFTER_GL_CALL;
return result;
}
void fGetTexImage(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *img) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetTexImage);
mSymbols.fGetTexImage(target, level, format, type, img);
AFTER_GL_CALL;
}
void fGetTexLevelParameteriv(GLenum target, GLint level, GLenum pname, GLint *params)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetTexLevelParameteriv);
mSymbols.fGetTexLevelParameteriv(target, level, pname, params);
AFTER_GL_CALL;
}
void fGetTexParameterfv(GLenum target, GLenum pname, const GLfloat *params) {
BEFORE_GL_CALL;
mSymbols.fGetTexParameterfv(target, pname, params);
AFTER_GL_CALL;
}
void fGetTexParameteriv(GLenum target, GLenum pname, const GLint *params) {
BEFORE_GL_CALL;
mSymbols.fGetTexParameteriv(target, pname, params);
AFTER_GL_CALL;
}
void fGetUniformfv(GLuint program, GLint location, GLfloat* params) {
BEFORE_GL_CALL;
mSymbols.fGetUniformfv(program, location, params);
AFTER_GL_CALL;
}
void fGetUniformiv(GLuint program, GLint location, GLint* params) {
BEFORE_GL_CALL;
mSymbols.fGetUniformiv(program, location, params);
AFTER_GL_CALL;
}
GLint fGetUniformLocation (GLint programObj, const GLchar* name) {
BEFORE_GL_CALL;
GLint retval = mSymbols.fGetUniformLocation(programObj, name);
AFTER_GL_CALL;
return retval;
}
void fGetVertexAttribfv(GLuint index, GLenum pname, GLfloat* retval) {
BEFORE_GL_CALL;
mSymbols.fGetVertexAttribfv(index, pname, retval);
AFTER_GL_CALL;
}
void fGetVertexAttribiv(GLuint index, GLenum pname, GLint* retval) {
BEFORE_GL_CALL;
mSymbols.fGetVertexAttribiv(index, pname, retval);
AFTER_GL_CALL;
}
void fGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** retval) {
BEFORE_GL_CALL;
mSymbols.fGetVertexAttribPointerv(index, pname, retval);
AFTER_GL_CALL;
}
void fHint(GLenum target, GLenum mode) {
BEFORE_GL_CALL;
mSymbols.fHint(target, mode);
AFTER_GL_CALL;
}
realGLboolean fIsBuffer(GLuint buffer) {
BEFORE_GL_CALL;
realGLboolean retval = mSymbols.fIsBuffer(buffer);
AFTER_GL_CALL;
return retval;
}
realGLboolean fIsEnabled(GLenum capability) {
BEFORE_GL_CALL;
realGLboolean retval = mSymbols.fIsEnabled(capability);
AFTER_GL_CALL;
return retval;
}
realGLboolean fIsProgram(GLuint program) {
BEFORE_GL_CALL;
realGLboolean retval = mSymbols.fIsProgram(program);
AFTER_GL_CALL;
return retval;
}
realGLboolean fIsShader(GLuint shader) {
BEFORE_GL_CALL;
realGLboolean retval = mSymbols.fIsShader(shader);
AFTER_GL_CALL;
return retval;
}
realGLboolean fIsTexture(GLuint texture) {
BEFORE_GL_CALL;
realGLboolean retval = mSymbols.fIsTexture(texture);
AFTER_GL_CALL;
return retval;
}
void fLineWidth(GLfloat width) {
BEFORE_GL_CALL;
mSymbols.fLineWidth(width);
AFTER_GL_CALL;
}
void fLinkProgram(GLuint program) {
BEFORE_GL_CALL;
mSymbols.fLinkProgram(program);
AFTER_GL_CALL;
}
void fPixelStorei(GLenum pname, GLint param) {
BEFORE_GL_CALL;
mSymbols.fPixelStorei(pname, param);
AFTER_GL_CALL;
}
void fPointParameterf(GLenum pname, GLfloat param) {
BEFORE_GL_CALL;
mSymbols.fPointParameterf(pname, param);
AFTER_GL_CALL;
}
void fPolygonOffset(GLfloat factor, GLfloat bias) {
BEFORE_GL_CALL;
mSymbols.fPolygonOffset(factor, bias);
AFTER_GL_CALL;
}
void fReadBuffer(GLenum mode) {
BEFORE_GL_CALL;
mSymbols.fReadBuffer(mode);
AFTER_GL_CALL;
}
private:
void raw_fReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels) {
BEFORE_GL_CALL;
mSymbols.fReadPixels(x, FixYValue(y, height), width, height, format, type, pixels);
AFTER_GL_CALL;
}
public:
void fReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels) {
y = FixYValue(y, height);
BeforeGLReadCall();
bool didReadPixels = false;
if (mScreen) {
didReadPixels = mScreen->ReadPixels(x, y, width, height, format, type, pixels);
}
if (!didReadPixels) {
raw_fReadPixels(x, y, width, height, format, type, pixels);
}
AfterGLReadCall();
}
public:
void fSampleCoverage(GLclampf value, realGLboolean invert) {
BEFORE_GL_CALL;
mSymbols.fSampleCoverage(value, invert);
AFTER_GL_CALL;
}
private:
void raw_fScissor(GLint x, GLint y, GLsizei width, GLsizei height) {
BEFORE_GL_CALL;
mSymbols.fScissor(x, y, width, height);
AFTER_GL_CALL;
}
public:
void fStencilFunc(GLenum func, GLint ref, GLuint mask) {
BEFORE_GL_CALL;
mSymbols.fStencilFunc(func, ref, mask);
AFTER_GL_CALL;
}
void fStencilFuncSeparate(GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask) {
BEFORE_GL_CALL;
mSymbols.fStencilFuncSeparate(frontfunc, backfunc, ref, mask);
AFTER_GL_CALL;
}
void fStencilMask(GLuint mask) {
BEFORE_GL_CALL;
mSymbols.fStencilMask(mask);
AFTER_GL_CALL;
}
void fStencilMaskSeparate(GLenum face, GLuint mask) {
BEFORE_GL_CALL;
mSymbols.fStencilMaskSeparate(face, mask);
AFTER_GL_CALL;
}
void fStencilOp(GLenum fail, GLenum zfail, GLenum zpass) {
BEFORE_GL_CALL;
mSymbols.fStencilOp(fail, zfail, zpass);
AFTER_GL_CALL;
}
void fStencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass) {
BEFORE_GL_CALL;
mSymbols.fStencilOpSeparate(face, sfail, dpfail, dppass);
AFTER_GL_CALL;
}
private:
void raw_fTexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels) {
BEFORE_GL_CALL;
mSymbols.fTexImage2D(target, level, internalformat, width, height, border, format, type, pixels);
AFTER_GL_CALL;
}
public:
void fTexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels) {
if (!IsTextureSizeSafeToPassToDriver(target, width, height)) {
// pass wrong values to cause the GL to generate GL_INVALID_VALUE.
// See bug 737182 and the comment in IsTextureSizeSafeToPassToDriver.
level = -1;
width = -1;
height = -1;
border = -1;
}
raw_fTexImage2D(target, level, internalformat, width, height, border, format, type, pixels);
}
void fTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels) {
BEFORE_GL_CALL;
mSymbols.fTexSubImage2D(target, level, xoffset, yoffset, width, height, format, type, pixels);
AFTER_GL_CALL;
}
void fUniform1f(GLint location, GLfloat v0) {
BEFORE_GL_CALL;
mSymbols.fUniform1f(location, v0);
AFTER_GL_CALL;
}
void fUniform1fv(GLint location, GLsizei count, const GLfloat* value) {
BEFORE_GL_CALL;
mSymbols.fUniform1fv(location, count, value);
AFTER_GL_CALL;
}
void fUniform1i(GLint location, GLint v0) {
BEFORE_GL_CALL;
mSymbols.fUniform1i(location, v0);
AFTER_GL_CALL;
}
void fUniform1iv(GLint location, GLsizei count, const GLint* value) {
BEFORE_GL_CALL;
mSymbols.fUniform1iv(location, count, value);
AFTER_GL_CALL;
}
void fUniform2f(GLint location, GLfloat v0, GLfloat v1) {
BEFORE_GL_CALL;
mSymbols.fUniform2f(location, v0, v1);
AFTER_GL_CALL;
}
void fUniform2fv(GLint location, GLsizei count, const GLfloat* value) {
BEFORE_GL_CALL;
mSymbols.fUniform2fv(location, count, value);
AFTER_GL_CALL;
}
void fUniform2i(GLint location, GLint v0, GLint v1) {
BEFORE_GL_CALL;
mSymbols.fUniform2i(location, v0, v1);
AFTER_GL_CALL;
}
void fUniform2iv(GLint location, GLsizei count, const GLint* value) {
BEFORE_GL_CALL;
mSymbols.fUniform2iv(location, count, value);
AFTER_GL_CALL;
}
void fUniform3f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2) {
BEFORE_GL_CALL;
mSymbols.fUniform3f(location, v0, v1, v2);
AFTER_GL_CALL;
}
void fUniform3fv(GLint location, GLsizei count, const GLfloat* value) {
BEFORE_GL_CALL;
mSymbols.fUniform3fv(location, count, value);
AFTER_GL_CALL;
}
void fUniform3i(GLint location, GLint v0, GLint v1, GLint v2) {
BEFORE_GL_CALL;
mSymbols.fUniform3i(location, v0, v1, v2);
AFTER_GL_CALL;
}
void fUniform3iv(GLint location, GLsizei count, const GLint* value) {
BEFORE_GL_CALL;
mSymbols.fUniform3iv(location, count, value);
AFTER_GL_CALL;
}
void fUniform4f(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3) {
BEFORE_GL_CALL;
mSymbols.fUniform4f(location, v0, v1, v2, v3);
AFTER_GL_CALL;
}
void fUniform4fv(GLint location, GLsizei count, const GLfloat* value) {
BEFORE_GL_CALL;
mSymbols.fUniform4fv(location, count, value);
AFTER_GL_CALL;
}
void fUniform4i(GLint location, GLint v0, GLint v1, GLint v2, GLint v3) {
BEFORE_GL_CALL;
mSymbols.fUniform4i(location, v0, v1, v2, v3);
AFTER_GL_CALL;
}
void fUniform4iv(GLint location, GLsizei count, const GLint* value) {
BEFORE_GL_CALL;
mSymbols.fUniform4iv(location, count, value);
AFTER_GL_CALL;
}
void fUniformMatrix2fv(GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value) {
BEFORE_GL_CALL;
mSymbols.fUniformMatrix2fv(location, count, transpose, value);
AFTER_GL_CALL;
}
void fUniformMatrix3fv(GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value) {
BEFORE_GL_CALL;
mSymbols.fUniformMatrix3fv(location, count, transpose, value);
AFTER_GL_CALL;
}
void fUniformMatrix4fv(GLint location, GLsizei count, realGLboolean transpose, const GLfloat* value) {
BEFORE_GL_CALL;
mSymbols.fUniformMatrix4fv(location, count, transpose, value);
AFTER_GL_CALL;
}
void fUseProgram(GLuint program) {
BEFORE_GL_CALL;
mSymbols.fUseProgram(program);
AFTER_GL_CALL;
}
void fValidateProgram(GLuint program) {
BEFORE_GL_CALL;
mSymbols.fValidateProgram(program);
AFTER_GL_CALL;
}
void fVertexAttribPointer(GLuint index, GLint size, GLenum type, realGLboolean normalized, GLsizei stride, const GLvoid* pointer) {
BEFORE_GL_CALL;
mSymbols.fVertexAttribPointer(index, size, type, normalized, stride, pointer);
AFTER_GL_CALL;
}
void fVertexAttrib1f(GLuint index, GLfloat x) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib1f(index, x);
AFTER_GL_CALL;
}
void fVertexAttrib2f(GLuint index, GLfloat x, GLfloat y) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib2f(index, x, y);
AFTER_GL_CALL;
}
void fVertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib3f(index, x, y, z);
AFTER_GL_CALL;
}
void fVertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib4f(index, x, y, z, w);
AFTER_GL_CALL;
}
void fVertexAttrib1fv(GLuint index, const GLfloat* v) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib1fv(index, v);
AFTER_GL_CALL;
}
void fVertexAttrib2fv(GLuint index, const GLfloat* v) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib2fv(index, v);
AFTER_GL_CALL;
}
void fVertexAttrib3fv(GLuint index, const GLfloat* v) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib3fv(index, v);
AFTER_GL_CALL;
}
void fVertexAttrib4fv(GLuint index, const GLfloat* v) {
BEFORE_GL_CALL;
mSymbols.fVertexAttrib4fv(index, v);
AFTER_GL_CALL;
}
void fCompileShader(GLuint shader) {
BEFORE_GL_CALL;
mSymbols.fCompileShader(shader);
AFTER_GL_CALL;
}
private:
void raw_fCopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) {
BEFORE_GL_CALL;
mSymbols.fCopyTexImage2D(target, level, internalformat, x, y, width, height, border);
AFTER_GL_CALL;
}
void raw_fCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) {
BEFORE_GL_CALL;
mSymbols.fCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
AFTER_GL_CALL;
}
public:
void fGetShaderiv(GLuint shader, GLenum pname, GLint* param) {
BEFORE_GL_CALL;
mSymbols.fGetShaderiv(shader, pname, param);
AFTER_GL_CALL;
}
void fGetShaderInfoLog(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog) {
BEFORE_GL_CALL;
mSymbols.fGetShaderInfoLog(shader, bufSize, length, infoLog);
AFTER_GL_CALL;
}
private:
void raw_fGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) {
MOZ_ASSERT(IsGLES2());
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetShaderPrecisionFormat);
mSymbols.fGetShaderPrecisionFormat(shadertype, precisiontype, range, precision);
AFTER_GL_CALL;
}
public:
void fGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) {
if (IsGLES2()) {
raw_fGetShaderPrecisionFormat(shadertype, precisiontype, range, precision);
} else {
// Fall back to automatic values because almost all desktop hardware supports the OpenGL standard precisions.
GetShaderPrecisionFormatNonES2(shadertype, precisiontype, range, precision);
}
}
void fGetShaderSource(GLint obj, GLsizei maxLength, GLsizei* length, GLchar* source) {
BEFORE_GL_CALL;
mSymbols.fGetShaderSource(obj, maxLength, length, source);
AFTER_GL_CALL;
}
void fShaderSource(GLuint shader, GLsizei count, const GLchar** strings, const GLint* lengths) {
BEFORE_GL_CALL;
mSymbols.fShaderSource(shader, count, strings, lengths);
AFTER_GL_CALL;
}
private:
void raw_fBindFramebuffer(GLenum target, GLuint framebuffer) {
BEFORE_GL_CALL;
mSymbols.fBindFramebuffer(target, framebuffer);
AFTER_GL_CALL;
}
public:
void fBindRenderbuffer(GLenum target, GLuint renderbuffer) {
BEFORE_GL_CALL;
mSymbols.fBindRenderbuffer(target, renderbuffer);
AFTER_GL_CALL;
}
GLenum fCheckFramebufferStatus(GLenum target) {
BEFORE_GL_CALL;
GLenum retval = mSymbols.fCheckFramebufferStatus(target);
AFTER_GL_CALL;
return retval;
}
void fFramebufferRenderbuffer(GLenum target, GLenum attachmentPoint, GLenum renderbufferTarget, GLuint renderbuffer) {
BEFORE_GL_CALL;
mSymbols.fFramebufferRenderbuffer(target, attachmentPoint, renderbufferTarget, renderbuffer);
AFTER_GL_CALL;
}
void fFramebufferTexture2D(GLenum target, GLenum attachmentPoint, GLenum textureTarget, GLuint texture, GLint level) {
BEFORE_GL_CALL;
mSymbols.fFramebufferTexture2D(target, attachmentPoint, textureTarget, texture, level);
AFTER_GL_CALL;
}
void fGetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* value) {
BEFORE_GL_CALL;
mSymbols.fGetFramebufferAttachmentParameteriv(target, attachment, pname, value);
AFTER_GL_CALL;
}
void fGetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* value) {
BEFORE_GL_CALL;
mSymbols.fGetRenderbufferParameteriv(target, pname, value);
AFTER_GL_CALL;
}
realGLboolean fIsFramebuffer (GLuint framebuffer) {
BEFORE_GL_CALL;
realGLboolean retval = mSymbols.fIsFramebuffer(framebuffer);
AFTER_GL_CALL;
return retval;
}
public:
realGLboolean fIsRenderbuffer (GLuint renderbuffer) {
BEFORE_GL_CALL;
realGLboolean retval = mSymbols.fIsRenderbuffer(renderbuffer);
AFTER_GL_CALL;
return retval;
}
void fRenderbufferStorage(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height) {
BEFORE_GL_CALL;
mSymbols.fRenderbufferStorage(target, internalFormat, width, height);
AFTER_GL_CALL;
}
private:
void raw_fDepthRange(GLclampf a, GLclampf b) {
MOZ_ASSERT(!IsGLES2());
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fDepthRange);
mSymbols.fDepthRange(a, b);
AFTER_GL_CALL;
}
void raw_fDepthRangef(GLclampf a, GLclampf b) {
MOZ_ASSERT(IsGLES2());
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fDepthRangef);
mSymbols.fDepthRangef(a, b);
AFTER_GL_CALL;
}
void raw_fClearDepth(GLclampf v) {
MOZ_ASSERT(!IsGLES2());
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fClearDepth);
mSymbols.fClearDepth(v);
AFTER_GL_CALL;
}
void raw_fClearDepthf(GLclampf v) {
MOZ_ASSERT(IsGLES2());
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fClearDepthf);
mSymbols.fClearDepthf(v);
AFTER_GL_CALL;
}
public:
void fDepthRange(GLclampf a, GLclampf b) {
if (IsGLES2()) {
raw_fDepthRangef(a, b);
} else {
raw_fDepthRange(a, b);
}
}
void fClearDepth(GLclampf v) {
if (IsGLES2()) {
raw_fClearDepthf(v);
} else {
raw_fClearDepth(v);
}
}
void* fMapBuffer(GLenum target, GLenum access) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fMapBuffer);
void *ret = mSymbols.fMapBuffer(target, access);
AFTER_GL_CALL;
return ret;
}
realGLboolean fUnmapBuffer(GLenum target) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fUnmapBuffer);
realGLboolean ret = mSymbols.fUnmapBuffer(target);
AFTER_GL_CALL;
return ret;
}
private:
GLuint GLAPIENTRY raw_fCreateProgram() {
BEFORE_GL_CALL;
GLuint ret = mSymbols.fCreateProgram();
AFTER_GL_CALL;
return ret;
}
GLuint GLAPIENTRY raw_fCreateShader(GLenum t) {
BEFORE_GL_CALL;
GLuint ret = mSymbols.fCreateShader(t);
AFTER_GL_CALL;
return ret;
}
void GLAPIENTRY raw_fGenBuffers(GLsizei n, GLuint* names) {
BEFORE_GL_CALL;
mSymbols.fGenBuffers(n, names);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fGenFramebuffers(GLsizei n, GLuint* names) {
BEFORE_GL_CALL;
mSymbols.fGenFramebuffers(n, names);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fGenRenderbuffers(GLsizei n, GLuint* names) {
BEFORE_GL_CALL;
mSymbols.fGenRenderbuffers(n, names);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fGenTextures(GLsizei n, GLuint* names) {
BEFORE_GL_CALL;
mSymbols.fGenTextures(n, names);
AFTER_GL_CALL;
}
public:
GLuint fCreateProgram() {
GLuint ret = raw_fCreateProgram();
TRACKING_CONTEXT(CreatedProgram(this, ret));
return ret;
}
GLuint fCreateShader(GLenum t) {
GLuint ret = raw_fCreateShader(t);
TRACKING_CONTEXT(CreatedShader(this, ret));
return ret;
}
void fGenBuffers(GLsizei n, GLuint* names) {
raw_fGenBuffers(n, names);
TRACKING_CONTEXT(CreatedBuffers(this, n, names));
}
void fGenFramebuffers(GLsizei n, GLuint* names) {
raw_fGenFramebuffers(n, names);
TRACKING_CONTEXT(CreatedFramebuffers(this, n, names));
}
void fGenRenderbuffers(GLsizei n, GLuint* names) {
raw_fGenRenderbuffers(n, names);
TRACKING_CONTEXT(CreatedRenderbuffers(this, n, names));
}
void fGenTextures(GLsizei n, GLuint* names) {
raw_fGenTextures(n, names);
TRACKING_CONTEXT(CreatedTextures(this, n, names));
}
private:
void GLAPIENTRY raw_fDeleteProgram(GLuint program) {
BEFORE_GL_CALL;
mSymbols.fDeleteProgram(program);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fDeleteShader(GLuint shader) {
BEFORE_GL_CALL;
mSymbols.fDeleteShader(shader);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fDeleteBuffers(GLsizei n, GLuint *names) {
BEFORE_GL_CALL;
mSymbols.fDeleteBuffers(n, names);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fDeleteFramebuffers(GLsizei n, GLuint *names) {
BEFORE_GL_CALL;
mSymbols.fDeleteFramebuffers(n, names);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fDeleteRenderbuffers(GLsizei n, GLuint *names) {
BEFORE_GL_CALL;
mSymbols.fDeleteRenderbuffers(n, names);
AFTER_GL_CALL;
}
void GLAPIENTRY raw_fDeleteTextures(GLsizei n, GLuint *names) {
BEFORE_GL_CALL;
mSymbols.fDeleteTextures(n, names);
AFTER_GL_CALL;
}
public:
void fDeleteProgram(GLuint program) {
raw_fDeleteProgram(program);
TRACKING_CONTEXT(DeletedProgram(this, program));
}
void fDeleteShader(GLuint shader) {
raw_fDeleteShader(shader);
TRACKING_CONTEXT(DeletedShader(this, shader));
}
void fDeleteBuffers(GLsizei n, GLuint *names) {
raw_fDeleteBuffers(n, names);
TRACKING_CONTEXT(DeletedBuffers(this, n, names));
}
void fDeleteFramebuffers(GLsizei n, GLuint *names) {
if (mScreen) {
// Notify mScreen which framebuffers we're deleting.
// Otherwise, we will get framebuffer binding mispredictions.
for (int i = 0; i < n; i++) {
mScreen->DeletingFB(names[i]);
}
}
if (n == 1 && *names == 0) {
// Deleting framebuffer 0 causes hangs on the DROID. See bug 623228.
} else {
raw_fDeleteFramebuffers(n, names);
}
TRACKING_CONTEXT(DeletedFramebuffers(this, n, names));
}
void fDeleteRenderbuffers(GLsizei n, GLuint *names) {
raw_fDeleteRenderbuffers(n, names);
TRACKING_CONTEXT(DeletedRenderbuffers(this, n, names));
}
void fDeleteTextures(GLsizei n, GLuint *names) {
raw_fDeleteTextures(n, names);
TRACKING_CONTEXT(DeletedTextures(this, n, names));
}
GLenum GLAPIENTRY fGetGraphicsResetStatus() {
MOZ_ASSERT(mHasRobustness);
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetGraphicsResetStatus);
GLenum ret = mSymbols.fGetGraphicsResetStatus();
AFTER_GL_CALL;
return ret;
}
// -----------------------------------------------------------------------------
// Extension ARB_sync (GL)
public:
GLsync GLAPIENTRY fFenceSync(GLenum condition, GLbitfield flags) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fFenceSync);
GLsync ret = mSymbols.fFenceSync(condition, flags);
AFTER_GL_CALL;
return ret;
}
realGLboolean GLAPIENTRY fIsSync(GLsync sync) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fIsSync);
realGLboolean ret = mSymbols.fIsSync(sync);
AFTER_GL_CALL;
return ret;
}
void GLAPIENTRY fDeleteSync(GLsync sync) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fDeleteSync);
mSymbols.fDeleteSync(sync);
AFTER_GL_CALL;
}
GLenum GLAPIENTRY fClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fClientWaitSync);
GLenum ret = mSymbols.fClientWaitSync(sync, flags, timeout);
AFTER_GL_CALL;
return ret;
}
void GLAPIENTRY fWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fWaitSync);
mSymbols.fWaitSync(sync, flags, timeout);
AFTER_GL_CALL;
}
void GLAPIENTRY fGetInteger64v(GLenum pname, GLint64 *params) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetInteger64v);
mSymbols.fGetInteger64v(pname, params);
AFTER_GL_CALL;
}
void GLAPIENTRY fGetSynciv(GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length, GLint *values) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetSynciv);
mSymbols.fGetSynciv(sync, pname, bufSize, length, values);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Extension OES_EGL_image (GLES)
public:
void fEGLImageTargetTexture2D(GLenum target, GLeglImage image) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fEGLImageTargetTexture2D);
mSymbols.fEGLImageTargetTexture2D(target, image);
AFTER_GL_CALL;
}
void fEGLImageTargetRenderbufferStorage(GLenum target, GLeglImage image)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fEGLImageTargetRenderbufferStorage);
mSymbols.fEGLImageTargetRenderbufferStorage(target, image);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_bind_buffer_offset
public:
void fBindBufferOffset(GLenum target, GLuint index, GLuint buffer, GLintptr offset)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fBindBufferOffset);
mSymbols.fBindBufferOffset(target, index, buffer, offset);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_draw_buffers
public:
void fDrawBuffers(GLsizei n, const GLenum* bufs) {
BEFORE_GL_CALL;
mSymbols.fDrawBuffers(n, bufs);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_draw_instanced
public:
void fDrawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei primcount)
{
BeforeGLDrawCall();
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fDrawArraysInstanced);
mSymbols.fDrawArraysInstanced(mode, first, count, primcount);
AFTER_GL_CALL;
AfterGLDrawCall();
}
void fDrawElementsInstanced(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices, GLsizei primcount)
{
BeforeGLDrawCall();
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fDrawElementsInstanced);
mSymbols.fDrawElementsInstanced(mode, count, type, indices, primcount);
AFTER_GL_CALL;
AfterGLDrawCall();
}
// -----------------------------------------------------------------------------
// Package XXX_framebuffer_blit
public:
// Draw/Read
void fBlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter) {
BeforeGLDrawCall();
BeforeGLReadCall();
raw_fBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
AfterGLReadCall();
AfterGLDrawCall();
}
private:
void raw_fBlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fBlitFramebuffer);
mSymbols.fBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_framebuffer_multisample
public:
void fRenderbufferStorageMultisample(GLenum target, GLsizei samples, GLenum internalFormat, GLsizei width, GLsizei height) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fRenderbufferStorageMultisample);
mSymbols.fRenderbufferStorageMultisample(target, samples, internalFormat, width, height);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_instanced_arrays
public:
void fVertexAttribDivisor(GLuint index, GLuint divisor)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fVertexAttribDivisor);
mSymbols.fVertexAttribDivisor(index, divisor);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_query_objects
/**
* XXX_query_objects:
* - provide all followed entry points
*
* XXX_occlusion_query2:
* - depends on XXX_query_objects
* - provide ANY_SAMPLES_PASSED
*
* XXX_occlusion_query_boolean:
* - depends on XXX_occlusion_query2
* - provide ANY_SAMPLES_PASSED_CONSERVATIVE
*/
public:
void fDeleteQueries(GLsizei n, const GLuint* names) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fDeleteQueries);
mSymbols.fDeleteQueries(n, names);
AFTER_GL_CALL;
TRACKING_CONTEXT(DeletedQueries(this, n, names));
}
void fGenQueries(GLsizei n, GLuint* names) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGenQueries);
mSymbols.fGenQueries(n, names);
AFTER_GL_CALL;
TRACKING_CONTEXT(CreatedQueries(this, n, names));
}
void fGetQueryiv(GLenum target, GLenum pname, GLint* params) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetQueryiv);
mSymbols.fGetQueryiv(target, pname, params);
AFTER_GL_CALL;
}
void fGetQueryObjectuiv(GLuint id, GLenum pname, GLuint* params) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetQueryObjectuiv);
mSymbols.fGetQueryObjectuiv(id, pname, params);
AFTER_GL_CALL;
}
realGLboolean fIsQuery(GLuint query) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fIsQuery);
realGLboolean retval = mSymbols.fIsQuery(query);
AFTER_GL_CALL;
return retval;
}
// -----------------------------------------------------------------------------
// Package XXX_get_query_object_iv
/**
* XXX_get_query_object_iv:
* - depends on XXX_query_objects
* - provide the followed entry point
*
* XXX_occlusion_query:
* - depends on XXX_get_query_object_iv
* - provide LOCAL_GL_SAMPLES_PASSED
*/
public:
void fGetQueryObjectiv(GLuint id, GLenum pname, GLint* params) {
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetQueryObjectiv);
mSymbols.fGetQueryObjectiv(id, pname, params);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_transform_feedback
public:
void fBindBufferBase(GLenum target, GLuint index, GLuint buffer)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fBindBufferBase);
mSymbols.fBindBufferBase(target, index, buffer);
AFTER_GL_CALL;
}
void fBindBufferRange(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fBindBufferRange);
mSymbols.fBindBufferRange(target, index, buffer, offset, size);
AFTER_GL_CALL;
}
void fBeginTransformFeedback(GLenum primitiveMode)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fBeginTransformFeedback);
mSymbols.fBeginTransformFeedback(primitiveMode);
AFTER_GL_CALL;
}
void fEndTransformFeedback()
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fEndTransformFeedback);
mSymbols.fEndTransformFeedback();
AFTER_GL_CALL;
}
void fTransformFeedbackVaryings(GLuint program, GLsizei count, const GLchar* const* varyings, GLenum bufferMode)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fTransformFeedbackVaryings);
mSymbols.fTransformFeedbackVaryings(program, count, varyings, bufferMode);
AFTER_GL_CALL;
}
void fGetTransformFeedbackVarying(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLsizei* size, GLenum* type, GLchar* name)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetTransformFeedbackVarying);
mSymbols.fGetTransformFeedbackVarying(program, index, bufSize, length, size, type, name);
AFTER_GL_CALL;
}
void fGetIntegeri_v(GLenum param, GLuint index, GLint* values)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGetIntegeri_v);
mSymbols.fGetIntegeri_v(param, index, values);
AFTER_GL_CALL;
}
// -----------------------------------------------------------------------------
// Package XXX_vertex_array_object
public:
void GLAPIENTRY fBindVertexArray(GLuint array)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fBindVertexArray);
mSymbols.fBindVertexArray(array);
AFTER_GL_CALL;
}
void GLAPIENTRY fDeleteVertexArrays(GLsizei n, const GLuint *arrays)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fDeleteVertexArrays);
mSymbols.fDeleteVertexArrays(n, arrays);
AFTER_GL_CALL;
}
void GLAPIENTRY fGenVertexArrays(GLsizei n, GLuint *arrays)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fGenVertexArrays);
mSymbols.fGenVertexArrays(n, arrays);
AFTER_GL_CALL;
}
realGLboolean GLAPIENTRY fIsVertexArray(GLuint array)
{
BEFORE_GL_CALL;
ASSERT_SYMBOL_PRESENT(fIsVertexArray);
realGLboolean ret = mSymbols.fIsVertexArray(array);
AFTER_GL_CALL;
return ret;
}
// -----------------------------------------------------------------------------
// Constructor
public:
typedef struct gfx::SurfaceCaps SurfaceCaps;
protected:
GLContext(const SurfaceCaps& caps,
GLContext* sharedContext = nullptr,
bool isOffscreen = false);
// -----------------------------------------------------------------------------
// Destructor
public:
virtual ~GLContext();
// -----------------------------------------------------------------------------
// Everything that isn't standard GL APIs
protected:
typedef class gfx::SharedSurface SharedSurface;
typedef gfx::SharedSurfaceType SharedSurfaceType;
typedef gfxImageFormat ImageFormat;
typedef gfx::SurfaceFormat SurfaceFormat;
public:
virtual bool MakeCurrentImpl(bool aForce = false) = 0;
#ifdef DEBUG
static void StaticInit() {
PR_NewThreadPrivateIndex(&sCurrentGLContextTLS, nullptr);
}
#endif
bool MakeCurrent(bool aForce = false) {
#ifdef DEBUG
PR_SetThreadPrivate(sCurrentGLContextTLS, this);
// XXX this assertion is disabled because it's triggering on Mac;
// we need to figure out why and reenable it.
#if 0
// IsOwningThreadCurrent is a bit of a misnomer;
// the "owning thread" is the creation thread,
// and the only thread that can own this. We don't
// support contexts used on multiple threads.
NS_ASSERTION(IsOwningThreadCurrent(),
"MakeCurrent() called on different thread than this context was created on!");
#endif
#endif
return MakeCurrentImpl(aForce);
}
virtual bool SetupLookupFunction() = 0;
virtual void ReleaseSurface() {}
void *GetUserData(void *aKey) {
void *result = nullptr;
mUserData.Get(aKey, &result);
return result;
}
void SetUserData(void *aKey, void *aValue) {
mUserData.Put(aKey, aValue);
}
// Mark this context as destroyed. This will nullptr out all
// the GL function pointers!
void MarkDestroyed();
bool IsDestroyed() {
// MarkDestroyed will mark all these as null.
return mSymbols.fUseProgram == nullptr;
}
enum NativeDataType {
NativeGLContext,
NativeImageSurface,
NativeThebesSurface,
NativeDataTypeMax
};
virtual void *GetNativeData(NativeDataType aType) { return nullptr; }
GLContext *GetSharedContext() { return mSharedContext; }
bool IsGlobalSharedContext() { return mIsGlobalSharedContext; }
void SetIsGlobalSharedContext(bool aIsOne) { mIsGlobalSharedContext = aIsOne; }
/**
* Returns true if the thread on which this context was created is the currently
* executing thread.
*/
bool IsOwningThreadCurrent();
void DispatchToOwningThread(nsIRunnable *event);
virtual EGLContext GetEGLContext() { return nullptr; }
virtual GLLibraryEGL* GetLibraryEGL() { return nullptr; }
virtual void MakeCurrent_EGLSurface(void* surf) {
MOZ_CRASH("Must be called against a GLContextEGL.");
}
bool CanUploadSubTextures();
static void PlatformStartup();
protected:
static bool sPowerOfTwoForced;
static bool sPowerOfTwoPrefCached;
static void CacheCanUploadNPOT();
public:
bool CanUploadNonPowerOfTwo();
bool WantsSmallTiles();
/**
* If this context wraps a double-buffered target, swap the back
* and front buffers. It should be assumed that after a swap, the
* contents of the new back buffer are undefined.
*/
virtual bool SwapBuffers() { return false; }
/**
* Defines a two-dimensional texture image for context target surface
*/
virtual bool BindTexImage() { return false; }
/*
* Releases a color buffer that is being used as a texture
*/
virtual bool ReleaseTexImage() { return false; }
/**
* Applies aFilter to the texture currently bound to GL_TEXTURE_2D.
*/
void ApplyFilterToBoundTexture(gfxPattern::GraphicsFilter aFilter);
/**
* Applies aFilter to the texture currently bound to aTarget.
*/
void ApplyFilterToBoundTexture(GLuint aTarget,
gfxPattern::GraphicsFilter aFilter);
virtual bool BindExternalBuffer(GLuint texture, void* buffer) { return false; }
virtual bool UnbindExternalBuffer(GLuint texture) { return false; }
#ifdef MOZ_WIDGET_GONK
virtual EGLImage CreateEGLImageForNativeBuffer(void* buffer) = 0;
virtual void DestroyEGLImage(EGLImage image) = 0;
virtual EGLImage GetNullEGLImage() = 0;
#endif
virtual already_AddRefed<TextureImage>
CreateDirectTextureImage(android::GraphicBuffer* aBuffer, GLenum aWrapMode)
{ return nullptr; }
// Before reads from offscreen texture
void GuaranteeResolve();
protected:
GLuint mTexBlit_Buffer;
GLuint mTexBlit_VertShader;
GLuint mTex2DBlit_FragShader;
GLuint mTex2DRectBlit_FragShader;
GLuint mTex2DBlit_Program;
GLuint mTex2DRectBlit_Program;
bool mTexBlit_UseDrawNotCopy;
bool UseTexQuadProgram(GLenum target = LOCAL_GL_TEXTURE_2D,
const gfxIntSize& srcSize = gfxIntSize());
bool InitTexQuadProgram(GLenum target = LOCAL_GL_TEXTURE_2D);
void DeleteTexBlitProgram();
public:
// If you don't have |srcFormats| for the 2nd definition,
// then you'll need the framebuffer_blit extensions to use
// the first BlitFramebufferToFramebuffer.
void BlitFramebufferToFramebuffer(GLuint srcFB, GLuint destFB,
const gfxIntSize& srcSize,
const gfxIntSize& destSize);
void BlitFramebufferToFramebuffer(GLuint srcFB, GLuint destFB,
const gfxIntSize& srcSize,
const gfxIntSize& destSize,
const GLFormats& srcFormats);
void BlitTextureToFramebuffer(GLuint srcTex, GLuint destFB,
const gfxIntSize& srcSize,
const gfxIntSize& destSize,
GLenum srcTarget = LOCAL_GL_TEXTURE_2D);
void BlitFramebufferToTexture(GLuint srcFB, GLuint destTex,
const gfxIntSize& srcSize,
const gfxIntSize& destSize,
GLenum destTarget = LOCAL_GL_TEXTURE_2D);
void BlitTextureToTexture(GLuint srcTex, GLuint destTex,
const gfxIntSize& srcSize,
const gfxIntSize& destSize,
GLenum srcTarget = LOCAL_GL_TEXTURE_2D,
GLenum destTarget = LOCAL_GL_TEXTURE_2D);
/*
* Resize the current offscreen buffer. Returns true on success.
* If it returns false, the context should be treated as unusable
* and should be recreated. After the resize, the viewport is not
* changed; glViewport should be called as appropriate.
*
* Only valid if IsOffscreen() returns true.
*/
virtual bool ResizeOffscreen(const gfxIntSize& size) {
return ResizeScreenBuffer(size);
}
/*
* Return size of this offscreen context.
*
* Only valid if IsOffscreen() returns true.
*/
const gfxIntSize& OffscreenSize() const;
/*
* Create a new shared GLContext content handle, using the passed buffer as a source.
* Must be released by ReleaseSharedHandle. UpdateSharedHandle will have no effect
* on handles created with this method, as the caller owns the source (the passed buffer)
* and is responsible for updating it accordingly.
*/
virtual SharedTextureHandle CreateSharedHandle(SharedTextureShareType shareType,
void* buffer,
SharedTextureBufferType bufferType)
{ return 0; }
/**
* Publish GLContext content to intermediate buffer attached to shared handle.
* Shared handle content is ready to be used after call returns, and no need extra Flush/Finish are required.
* GLContext must be current before this call
*/
virtual void UpdateSharedHandle(SharedTextureShareType shareType,
SharedTextureHandle sharedHandle)
{ }
/**
* - It is better to call ReleaseSharedHandle before original GLContext destroyed,
* otherwise warning will be thrown on attempt to destroy Texture associated with SharedHandle, depends on backend implementation.
* - It does not require to be called on context where it was created,
* because SharedHandle suppose to keep Context reference internally,
* or don't require specific context at all, for example IPC SharedHandle.
* - Not recommended to call this between AttachSharedHandle and Draw Target call.
* if it is really required for some special backend, then DetachSharedHandle API must be added with related implementation.
* - It is recommended to stop any possible access to SharedHandle (Attachments, pending GL calls) before calling Release,
* otherwise some artifacts might appear or even crash if API backend implementation does not expect that.
* SharedHandle (currently EGLImage) does not require GLContext because it is EGL call, and can be destroyed
* at any time, unless EGLImage have siblings (which are not expected with current API).
*/
virtual void ReleaseSharedHandle(SharedTextureShareType shareType,
SharedTextureHandle sharedHandle)
{ }
typedef struct {
GLenum mTarget;
SurfaceFormat mTextureFormat;
gfx3DMatrix mTextureTransform;
} SharedHandleDetails;
/**
* Returns information necessary for rendering a shared handle.
* These values change depending on what sharing mechanism is in use
*/
virtual bool GetSharedHandleDetails(SharedTextureShareType shareType,
SharedTextureHandle sharedHandle,
SharedHandleDetails& details)
{ return false; }
/**
* Attach Shared GL Handle to GL_TEXTURE_2D target
* GLContext must be current before this call
*/
virtual bool AttachSharedHandle(SharedTextureShareType shareType,
SharedTextureHandle sharedHandle)
{ return false; }
/**
* Detach Shared GL Handle from GL_TEXTURE_2D target
*/
virtual void DetachSharedHandle(SharedTextureShareType shareType,
SharedTextureHandle sharedHandle)
{ }
void BindFB(GLuint fb) {
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, fb);
MOZ_ASSERT(!fb || fIsFramebuffer(fb));
}
void BindDrawFB(GLuint fb) {
fBindFramebuffer(LOCAL_GL_DRAW_FRAMEBUFFER_EXT, fb);
}
void BindReadFB(GLuint fb) {
fBindFramebuffer(LOCAL_GL_READ_FRAMEBUFFER_EXT, fb);
}
GLuint GetDrawFB() {
if (mScreen)
return mScreen->GetDrawFB();
GLuint ret = 0;
GetUIntegerv(LOCAL_GL_DRAW_FRAMEBUFFER_BINDING_EXT, &ret);
return ret;
}
GLuint GetReadFB() {
if (mScreen)
return mScreen->GetReadFB();
GLenum bindEnum = IsSupported(GLFeature::framebuffer_blit)
? LOCAL_GL_READ_FRAMEBUFFER_BINDING_EXT
: LOCAL_GL_FRAMEBUFFER_BINDING;
GLuint ret = 0;
GetUIntegerv(bindEnum, &ret);
return ret;
}
GLuint GetFB() {
if (mScreen) {
// This has a very important extra assert that checks that we're
// not accidentally ignoring a situation where the draw and read
// FBs differ.
return mScreen->GetFB();
}
GLuint ret = 0;
GetUIntegerv(LOCAL_GL_FRAMEBUFFER_BINDING, &ret);
return ret;
}
private:
void GetShaderPrecisionFormatNonES2(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) {
switch (precisiontype) {
case LOCAL_GL_LOW_FLOAT:
case LOCAL_GL_MEDIUM_FLOAT:
case LOCAL_GL_HIGH_FLOAT:
// Assume IEEE 754 precision
range[0] = 127;
range[1] = 127;
*precision = 23;
break;
case LOCAL_GL_LOW_INT:
case LOCAL_GL_MEDIUM_INT:
case LOCAL_GL_HIGH_INT:
// Some (most) hardware only supports single-precision floating-point numbers,
// which can accurately represent integers up to +/-16777216
range[0] = 24;
range[1] = 24;
*precision = 0;
break;
}
}
public:
void ForceDirtyScreen();
void CleanDirtyScreen();
virtual bool TextureImageSupportsGetBackingSurface() {
return false;
}
virtual GLenum GetPreferredARGB32Format() { return LOCAL_GL_RGBA; }
virtual bool RenewSurface() { return false; }
/**
* Return a valid, allocated TextureImage of |aSize| with
* |aContentType|. If |aContentType| is COLOR, |aImageFormat| can be used
* to hint at the preferred RGB format, however it is not necessarily
* respected. The TextureImage's texture is configured to use
* |aWrapMode| (usually GL_CLAMP_TO_EDGE or GL_REPEAT) and by
* default, GL_LINEAR filtering. Specify
* |aFlags=UseNearestFilter| for GL_NEAREST filtering. Specify
* |aFlags=NeedsYFlip| if the image is flipped. Return
* nullptr if creating the TextureImage fails.
*
* The returned TextureImage may only be used with this GLContext.
* Attempting to use the returned TextureImage after this
* GLContext is destroyed will result in undefined (and likely
* crashy) behavior.
*/
virtual already_AddRefed<TextureImage>
CreateTextureImage(const nsIntSize& aSize,
TextureImage::ContentType aContentType,
GLenum aWrapMode,
TextureImage::Flags aFlags = TextureImage::NoFlags,
TextureImage::ImageFormat aImageFormat = gfxImageFormatUnknown);
/**
* In EGL we want to use Tiled Texture Images, which we return
* from CreateTextureImage above.
* Inside TiledTextureImage we need to create actual images and to
* prevent infinite recursion we need to differentiate the two
* functions.
**/
virtual already_AddRefed<TextureImage>
TileGenFunc(const nsIntSize& aSize,
TextureImage::ContentType aContentType,
TextureImage::Flags aFlags = TextureImage::NoFlags,
TextureImage::ImageFormat aImageFormat = gfxImageFormatUnknown)
{
return nullptr;
}
/**
* Read the image data contained in aTexture, and return it as an ImageSurface.
* If GL_RGBA is given as the format, a gfxImageFormatARGB32 surface is returned.
* Not implemented yet:
* If GL_RGB is given as the format, a gfxImageFormatRGB24 surface is returned.
* If GL_LUMINANCE is given as the format, a gfxImageFormatA8 surface is returned.
*
* THIS IS EXPENSIVE. It is ridiculously expensive. Only do this
* if you absolutely positively must, and never in any performance
* critical path.
*/
already_AddRefed<gfxImageSurface> ReadTextureImage(GLuint aTexture,
const gfxIntSize& aSize,
GLenum aTextureFormat,
bool aYInvert = false);
already_AddRefed<gfxImageSurface> GetTexImage(GLuint aTexture, bool aYInvert, SurfaceFormat aFormat);
/**
* Call ReadPixels into an existing gfxImageSurface.
* The image surface must be using image format RGBA32 or RGB24,
* and must have stride == width*4.
* Note that neither ReadPixelsIntoImageSurface nor
* ReadScreenIntoImageSurface call dest->Flush/MarkDirty.
*/
void ReadPixelsIntoImageSurface(gfxImageSurface* dest);
// Similar to ReadPixelsIntoImageSurface, but pulls from the screen
// instead of the currently bound framebuffer.
void ReadScreenIntoImageSurface(gfxImageSurface* dest);
TemporaryRef<gfx::SourceSurface> ReadPixelsToSourceSurface(const gfx::IntSize &aSize);
/**
* Copy a rectangle from one TextureImage into another. The
* source and destination are given in integer coordinates, and
* will be converted to texture coordinates.
*
* For the source texture, the wrap modes DO apply -- it's valid
* to use REPEAT or PAD and expect appropriate behaviour if the source
* rectangle extends beyond its bounds.
*
* For the destination texture, the wrap modes DO NOT apply -- the
* destination will be clipped by the bounds of the texture.
*
* Note: calling this function will cause the following OpenGL state
* to be changed:
*
* - current program
* - framebuffer binding
* - viewport
* - blend state (will be enabled at end)
* - scissor state (will be enabled at end)
* - vertex attrib 0 and 1 (pointer and enable state [enable state will be disabled at exit])
* - array buffer binding (will be 0)
* - active texture (will be 0)
* - texture 0 binding
*/
void BlitTextureImage(TextureImage *aSrc, const nsIntRect& aSrcRect,
TextureImage *aDst, const nsIntRect& aDstRect);
/**
* Creates a RGB/RGBA texture (or uses one provided) and uploads the surface
* contents to it within aSrcRect.
*
* aSrcRect.x/y will be uploaded to 0/0 in the texture, and the size
* of the texture with be aSrcRect.width/height.
*
* If an existing texture is passed through aTexture, it is assumed it
* has already been initialised with glTexImage2D (or this function),
* and that its size is equal to or greater than aSrcRect + aDstPoint.
* You can alternatively set the overwrite flag to true and have a new
* texture memory block allocated.
*
* The aDstPoint parameter is ignored if no texture was provided
* or aOverwrite is true.
*
* \param aData Image data to upload.
* \param aDstRegion Region of texture to upload to.
* \param aTexture Texture to use, or 0 to have one created for you.
* \param aOverwrite Over an existing texture with a new one.
* \param aSrcPoint Offset into aSrc where the region's bound's
* TopLeft() sits.
* \param aPixelBuffer Pass true to upload texture data with an
* offset from the base data (generally for pixel buffer objects),
* otherwise textures are upload with an absolute pointer to the data.
* \param aTextureUnit, the texture unit used temporarily to upload the
* surface. This testure may be overridden, clients should not rely on
* the contents of this texture after this call or even on this
* texture unit being active.
* \return Surface format of this texture.
*/
SurfaceFormat UploadImageDataToTexture(unsigned char* aData,
int32_t aStride,
gfxImageFormat aFormat,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite = false,
bool aPixelBuffer = false,
GLenum aTextureUnit = LOCAL_GL_TEXTURE0,
GLenum aTextureTarget = LOCAL_GL_TEXTURE_2D);
/**
* Convenience wrapper around UploadImageDataToTexture for gfxASurfaces.
*/
SurfaceFormat UploadSurfaceToTexture(gfxASurface *aSurface,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite = false,
const nsIntPoint& aSrcPoint = nsIntPoint(0, 0),
bool aPixelBuffer = false,
GLenum aTextureUnit = LOCAL_GL_TEXTURE0,
GLenum aTextureTarget = LOCAL_GL_TEXTURE_2D);
/**
* Same as above, for DataSourceSurfaces.
*/
SurfaceFormat UploadSurfaceToTexture(gfx::DataSourceSurface *aSurface,
const nsIntRegion& aDstRegion,
GLuint& aTexture,
bool aOverwrite = false,
const nsIntPoint& aSrcPoint = nsIntPoint(0, 0),
bool aPixelBuffer = false,
GLenum aTextureUnit = LOCAL_GL_TEXTURE0,
GLenum aTextureTarget = LOCAL_GL_TEXTURE_2D);
void TexImage2D(GLenum target, GLint level, GLint internalformat,
GLsizei width, GLsizei height, GLsizei stride,
GLint pixelsize, GLint border, GLenum format,
GLenum type, const GLvoid *pixels);
void TexSubImage2D(GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height, GLsizei stride,
GLint pixelsize, GLenum format,
GLenum type, const GLvoid* pixels);
/**
* Uses the Khronos GL_EXT_unpack_subimage extension, working around
* quirks in the Tegra implementation of this extension.
*/
void TexSubImage2DWithUnpackSubimageGLES(GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLsizei stride, GLint pixelsize,
GLenum format, GLenum type,
const GLvoid* pixels);
void TexSubImage2DWithoutUnpackSubimage(GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLsizei stride, GLint pixelsize,
GLenum format, GLenum type,
const GLvoid* pixels);
/** Helper for DecomposeIntoNoRepeatTriangles
*/
struct RectTriangles {
RectTriangles() { }
// Always pass texture coordinates upright. If you want to flip the
// texture coordinates emitted to the tex_coords array, set flip_y to
// true.
void addRect(GLfloat x0, GLfloat y0, GLfloat x1, GLfloat y1,
GLfloat tx0, GLfloat ty0, GLfloat tx1, GLfloat ty1,
bool flip_y = false);
/**
* these return a float pointer to the start of each array respectively.
* Use it for glVertexAttribPointer calls.
* We can return nullptr if we choose to use Vertex Buffer Objects here.
*/
float* vertexPointer() {
return &vertexCoords[0].x;
}
float* texCoordPointer() {
return &texCoords[0].u;
}
unsigned int elements() {
return vertexCoords.Length();
}
typedef struct { GLfloat x,y; } vert_coord;
typedef struct { GLfloat u,v; } tex_coord;
private:
// default is 4 rectangles, each made up of 2 triangles (3 coord vertices each)
nsAutoTArray<vert_coord, 6> vertexCoords;
nsAutoTArray<tex_coord, 6> texCoords;
};
/**
* Decompose drawing the possibly-wrapped aTexCoordRect rectangle
* of a texture of aTexSize into one or more rectangles (represented
* as 2 triangles) and associated tex coordinates, such that
* we don't have to use the REPEAT wrap mode. If aFlipY is true, the
* texture coordinates will be specified vertically flipped.
*
* The resulting triangle vertex coordinates will be in the space of
* (0.0, 0.0) to (1.0, 1.0) -- transform the coordinates appropriately
* if you need a different space.
*
* The resulting vertex coordinates should be drawn using GL_TRIANGLES,
* and rects.numRects * 3 * 6
*/
static void DecomposeIntoNoRepeatTriangles(const nsIntRect& aTexCoordRect,
const nsIntSize& aTexSize,
RectTriangles& aRects,
bool aFlipY = false);
// Shared code for GL extensions and GLX extensions.
static bool ListHasExtension(const GLubyte *extensions,
const char *extension);
GLint GetMaxTextureImageSize() { return mMaxTextureImageSize; }
void SetFlipped(bool aFlipped) { mFlipped = aFlipped; }
public:
/**
* Context reset constants.
* These are used to determine who is guilty when a context reset
* happens.
*/
enum ContextResetARB {
CONTEXT_NO_ERROR = 0,
CONTEXT_GUILTY_CONTEXT_RESET_ARB = 0x8253,
CONTEXT_INNOCENT_CONTEXT_RESET_ARB = 0x8254,
CONTEXT_UNKNOWN_CONTEXT_RESET_ARB = 0x8255
};
public:
std::map<GLuint, SharedSurface_GL*> mFBOMapping;
enum {
DebugEnabled = 1 << 0,
DebugTrace = 1 << 1,
DebugAbortOnError = 1 << 2
};
static uint32_t sDebugMode;
static uint32_t DebugMode() {
#ifdef DEBUG
return sDebugMode;
#else
return 0;
#endif
}
protected:
nsRefPtr<GLContext> mSharedContext;
// The thread on which this context was created.
nsCOMPtr<nsIThread> mOwningThread;
GLContextSymbols mSymbols;
#ifdef DEBUG
// GLDebugMode will check that we don't send call
// to a GLContext that isn't current on the current
// thread.
// Store the current context when binding to thread local
// storage to support DebugMode on an arbitrary thread.
static unsigned sCurrentGLContextTLS;
#endif
bool mFlipped;
// lazy-initialized things
GLuint mBlitProgram, mBlitFramebuffer;
void UseBlitProgram();
void SetBlitFramebufferForDestTexture(GLuint aTexture);
public:
// Assumes shares are created by all sharing with the same global context.
bool SharesWith(const GLContext* other) const {
MOZ_ASSERT(!this->mSharedContext || !this->mSharedContext->mSharedContext);
MOZ_ASSERT(!other->mSharedContext || !other->mSharedContext->mSharedContext);
MOZ_ASSERT(!this->mSharedContext ||
!other->mSharedContext ||
this->mSharedContext == other->mSharedContext);
const GLContext* thisShared = this->mSharedContext ? this->mSharedContext
: this;
const GLContext* otherShared = other->mSharedContext ? other->mSharedContext
: other;
return thisShared == otherShared;
}
bool InitOffscreen(const gfxIntSize& size, const SurfaceCaps& caps) {
if (!CreateScreenBuffer(size, caps))
return false;
MakeCurrent();
fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, 0);
fScissor(0, 0, size.width, size.height);
fViewport(0, 0, size.width, size.height);
mCaps = mScreen->Caps();
if (mCaps.any)
DetermineCaps();
UpdateGLFormats(mCaps);
UpdatePixelFormat();
return true;
}
protected:
// Note that it does -not- clear the resized buffers.
bool CreateScreenBuffer(const gfxIntSize& size, const SurfaceCaps& caps) {
if (!IsOffscreenSizeAllowed(size))
return false;
SurfaceCaps tryCaps = caps;
if (tryCaps.antialias) {
// AA path
if (CreateScreenBufferImpl(size, tryCaps))
return true;
NS_WARNING("CreateScreenBuffer failed to initialize an AA context! Falling back to no AA...");
tryCaps.antialias = false;
}
MOZ_ASSERT(!tryCaps.antialias);
if (CreateScreenBufferImpl(size, tryCaps))
return true;
NS_WARNING("CreateScreenBuffer failed to initialize non-AA context!");
return false;
}
bool CreateScreenBufferImpl(const gfxIntSize& size,
const SurfaceCaps& caps);
public:
bool ResizeScreenBuffer(const gfxIntSize& size);
protected:
SurfaceCaps mCaps;
nsAutoPtr<GLFormats> mGLFormats;
nsAutoPtr<PixelBufferFormat> mPixelFormat;
public:
void DetermineCaps();
const SurfaceCaps& Caps() const {
return mCaps;
}
// Only varies based on bpp16 and alpha.
GLFormats ChooseGLFormats(const SurfaceCaps& caps) const;
void UpdateGLFormats(const SurfaceCaps& caps) {
mGLFormats = new GLFormats(ChooseGLFormats(caps));
}
const GLFormats& GetGLFormats() const {
MOZ_ASSERT(mGLFormats);
return *mGLFormats;
}
PixelBufferFormat QueryPixelFormat();
void UpdatePixelFormat();
const PixelBufferFormat& GetPixelFormat() const {
MOZ_ASSERT(mPixelFormat);
return *mPixelFormat;
}
GLuint CreateTextureForOffscreen(const GLFormats& formats,
const gfxIntSize& size);
GLuint CreateTexture(GLenum internalFormat,
GLenum format, GLenum type,
const gfxIntSize& size);
GLuint CreateRenderbuffer(GLenum format,
GLsizei samples,
const gfxIntSize& size);
bool IsFramebufferComplete(GLuint fb, GLenum* status = nullptr);
// Pass null to an RB arg to disable its creation.
void CreateRenderbuffersForOffscreen(const GLFormats& formats,
const gfxIntSize& size,
bool multisample,
GLuint* colorMSRB,
GLuint* depthRB,
GLuint* stencilRB);
// Does not check completeness.
void AttachBuffersToFB(GLuint colorTex, GLuint colorRB,
GLuint depthRB, GLuint stencilRB,
GLuint fb, GLenum target = LOCAL_GL_TEXTURE_2D);
// Passing null is fine if the value you'd get is 0.
bool AssembleOffscreenFBs(const GLuint colorMSRB,
const GLuint depthRB,
const GLuint stencilRB,
const GLuint texture,
GLuint* drawFB,
GLuint* readFB);
protected:
friend class GLScreenBuffer;
GLScreenBuffer* mScreen;
void DestroyScreenBuffer();
SharedSurface* mLockedSurface;
public:
void LockSurface(SharedSurface* surf) {
MOZ_ASSERT(!mLockedSurface);
mLockedSurface = surf;
}
void UnlockSurface(SharedSurface* surf) {
MOZ_ASSERT(mLockedSurface == surf);
mLockedSurface = nullptr;
}
SharedSurface* GetLockedSurface() const {
return mLockedSurface;
}
bool IsOffscreen() const {
return mScreen;
}
GLScreenBuffer* Screen() const {
return mScreen;
}
bool PublishFrame();
SharedSurface* RequestFrame();
/* Clear to transparent black, with 0 depth and stencil,
* while preserving current ClearColor etc. values.
* Useful for resizing offscreen buffers.
*/
void ClearSafely();
bool WorkAroundDriverBugs() const { return mWorkAroundDriverBugs; }
protected:
nsRefPtr<TextureGarbageBin> mTexGarbageBin;
public:
TextureGarbageBin* TexGarbageBin() {
MOZ_ASSERT(mTexGarbageBin);
return mTexGarbageBin;
}
void EmptyTexGarbageBin();
protected:
nsDataHashtable<nsPtrHashKey<void>, void*> mUserData;
bool InitWithPrefix(const char *prefix, bool trygl);
void InitExtensions();
bool IsOffscreenSizeAllowed(const gfxIntSize& aSize) const;
nsTArray<nsIntRect> mViewportStack;
nsTArray<nsIntRect> mScissorStack;
GLint mMaxTextureSize;
GLint mMaxCubeMapTextureSize;
GLint mMaxTextureImageSize;
GLint mMaxRenderbufferSize;
GLsizei mMaxSamples;
bool mNeedsTextureSizeChecks;
bool mWorkAroundDriverBugs;
bool IsTextureSizeSafeToPassToDriver(GLenum target, GLsizei width, GLsizei height) const {
if (mNeedsTextureSizeChecks) {
// some drivers incorrectly handle some large texture sizes that are below the
// max texture size that they report. So we check ourselves against our own values
// (mMax[CubeMap]TextureSize).
// see bug 737182 for Mac Intel 2D textures
// see bug 684882 for Mac Intel cube map textures
// see bug 814716 for Mesa Nouveau
GLsizei maxSize = target == LOCAL_GL_TEXTURE_CUBE_MAP ||
(target >= LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
target <= LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z)
? mMaxCubeMapTextureSize
: mMaxTextureSize;
return width <= maxSize && height <= maxSize;
}
return true;
}
/*** Scissor functions ***/
protected:
GLint FixYValue(GLint y, GLint height)
{
MOZ_ASSERT( !(mIsOffscreen && mFlipped) );
return mFlipped ? ViewportRect().height - (height + y) : y;
}
public:
void fScissor(GLint x, GLint y, GLsizei width, GLsizei height) {
ScissorRect().SetRect(x, y, width, height);
// GL's coordinate system is flipped compared to the one we use in
// OGL Layers (in the Y axis), so we may need to flip our rectangle.
y = FixYValue(y, height);
raw_fScissor(x, y, width, height);
}
nsIntRect& ScissorRect() {
return mScissorStack[mScissorStack.Length()-1];
}
void PushScissorRect() {
nsIntRect copy(ScissorRect());
mScissorStack.AppendElement(copy);
}
void PushScissorRect(const nsIntRect& aRect) {
mScissorStack.AppendElement(aRect);
fScissor(aRect.x, aRect.y, aRect.width, aRect.height);
}
void PopScissorRect() {
if (mScissorStack.Length() < 2) {
NS_WARNING("PopScissorRect with Length < 2!");
return;
}
nsIntRect thisRect = ScissorRect();
mScissorStack.TruncateLength(mScissorStack.Length() - 1);
if (!thisRect.IsEqualInterior(ScissorRect())) {
fScissor(ScissorRect().x, ScissorRect().y,
ScissorRect().width, ScissorRect().height);
}
}
/*** Viewport functions ***/
private:
// only does the glViewport call, no ViewportRect business
void raw_fViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
BEFORE_GL_CALL;
// XXX: Flipping should really happen using the destination height, but
// we use viewport instead and assume viewport size matches the
// destination. If we ever try use partial viewports for layers we need
// to fix this, and remove the assertion.
NS_ASSERTION(!mFlipped || (x == 0 && y == 0), "TODO: Need to flip the viewport rect");
mSymbols.fViewport(x, y, width, height);
AFTER_GL_CALL;
}
public:
void fViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
ViewportRect().SetRect(x, y, width, height);
raw_fViewport(x, y, width, height);
}
nsIntRect& ViewportRect() {
return mViewportStack[mViewportStack.Length()-1];
}
void PushViewportRect() {
nsIntRect copy(ViewportRect());
mViewportStack.AppendElement(copy);
}
void PushViewportRect(const nsIntRect& aRect) {
mViewportStack.AppendElement(aRect);
raw_fViewport(aRect.x, aRect.y, aRect.width, aRect.height);
}
void PopViewportRect() {
if (mViewportStack.Length() < 2) {
NS_WARNING("PopViewportRect with Length < 2!");
return;
}
nsIntRect thisRect = ViewportRect();
mViewportStack.TruncateLength(mViewportStack.Length() - 1);
if (!thisRect.IsEqualInterior(ViewportRect())) {
raw_fViewport(ViewportRect().x, ViewportRect().y,
ViewportRect().width, ViewportRect().height);
}
}
#undef ASSERT_SYMBOL_PRESENT
#ifdef DEBUG
void CreatedProgram(GLContext *aOrigin, GLuint aName);
void CreatedShader(GLContext *aOrigin, GLuint aName);
void CreatedBuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void CreatedQueries(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void CreatedTextures(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void CreatedFramebuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void CreatedRenderbuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void DeletedProgram(GLContext *aOrigin, GLuint aName);
void DeletedShader(GLContext *aOrigin, GLuint aName);
void DeletedBuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void DeletedQueries(GLContext *aOrigin, GLsizei aCount, const GLuint *aNames);
void DeletedTextures(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void DeletedFramebuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void DeletedRenderbuffers(GLContext *aOrigin, GLsizei aCount, GLuint *aNames);
void SharedContextDestroyed(GLContext *aChild);
void ReportOutstandingNames();
struct NamedResource {
NamedResource()
: origin(nullptr), name(0), originDeleted(false)
{ }
NamedResource(GLContext *aOrigin, GLuint aName)
: origin(aOrigin), name(aName), originDeleted(false)
{ }
GLContext *origin;
GLuint name;
bool originDeleted;
// for sorting
bool operator<(const NamedResource& aOther) const {
if (intptr_t(origin) < intptr_t(aOther.origin))
return true;
if (name < aOther.name)
return true;
return false;
}
bool operator==(const NamedResource& aOther) const {
return origin == aOther.origin &&
name == aOther.name &&
originDeleted == aOther.originDeleted;
}
};
nsTArray<NamedResource> mTrackedPrograms;
nsTArray<NamedResource> mTrackedShaders;
nsTArray<NamedResource> mTrackedTextures;
nsTArray<NamedResource> mTrackedFramebuffers;
nsTArray<NamedResource> mTrackedRenderbuffers;
nsTArray<NamedResource> mTrackedBuffers;
nsTArray<NamedResource> mTrackedQueries;
#endif
};
bool DoesStringMatch(const char* aString, const char *aWantedString);
//RAII via CRTP!
template <class Derived>
struct ScopedGLWrapper
{
private:
bool mIsUnwrapped;
protected:
GLContext* const mGL;
ScopedGLWrapper(GLContext* gl)
: mIsUnwrapped(false)
, mGL(gl)
{
MOZ_ASSERT(&ScopedGLWrapper<Derived>::Unwrap == &Derived::Unwrap);
MOZ_ASSERT(&Derived::UnwrapImpl);
MOZ_ASSERT(mGL->IsCurrent());
}
virtual ~ScopedGLWrapper() {
if (!mIsUnwrapped)
Unwrap();
}
public:
void Unwrap() {
MOZ_ASSERT(!mIsUnwrapped);
Derived* derived = static_cast<Derived*>(this);
derived->UnwrapImpl();
mIsUnwrapped = true;
}
};
// Wraps glEnable/Disable.
struct ScopedGLState
: public ScopedGLWrapper<ScopedGLState>
{
friend struct ScopedGLWrapper<ScopedGLState>;
protected:
const GLenum mCapability;
bool mOldState;
public:
// Use |newState = true| to enable, |false| to disable.
ScopedGLState(GLContext* gl, GLenum capability, bool newState)
: ScopedGLWrapper<ScopedGLState>(gl)
, mCapability(capability)
{
mOldState = mGL->fIsEnabled(mCapability);
// Early out if we're already in the right state.
if (newState == mOldState)
return;
if (newState)
mGL->fEnable(mCapability);
else
mGL->fDisable(mCapability);
}
protected:
void UnwrapImpl() {
if (mOldState)
mGL->fEnable(mCapability);
else
mGL->fDisable(mCapability);
}
};
// Saves and restores with GetUserBoundFB and BindUserFB.
struct ScopedBindFramebuffer
: public ScopedGLWrapper<ScopedBindFramebuffer>
{
friend struct ScopedGLWrapper<ScopedBindFramebuffer>;
protected:
GLuint mOldFB;
private:
void Init() {
mOldFB = mGL->GetFB();
}
public:
explicit ScopedBindFramebuffer(GLContext* gl)
: ScopedGLWrapper<ScopedBindFramebuffer>(gl)
{
Init();
}
ScopedBindFramebuffer(GLContext* gl, GLuint newFB)
: ScopedGLWrapper<ScopedBindFramebuffer>(gl)
{
Init();
mGL->BindFB(newFB);
}
protected:
void UnwrapImpl() {
// Check that we're not falling out of scope after
// the current context changed.
MOZ_ASSERT(mGL->IsCurrent());
mGL->BindFB(mOldFB);
}
};
struct ScopedBindTextureUnit
: public ScopedGLWrapper<ScopedBindTextureUnit>
{
friend struct ScopedGLWrapper<ScopedBindTextureUnit>;
protected:
GLenum mOldTexUnit;
public:
ScopedBindTextureUnit(GLContext* gl, GLenum texUnit)
: ScopedGLWrapper<ScopedBindTextureUnit>(gl)
{
MOZ_ASSERT(texUnit >= LOCAL_GL_TEXTURE0);
mGL->GetUIntegerv(LOCAL_GL_ACTIVE_TEXTURE, &mOldTexUnit);
mGL->fActiveTexture(texUnit);
}
protected:
void UnwrapImpl() {
// Check that we're not falling out of scope after
// the current context changed.
MOZ_ASSERT(mGL->IsCurrent());
mGL->fActiveTexture(mOldTexUnit);
}
};
struct ScopedTexture
: public ScopedGLWrapper<ScopedTexture>
{
friend struct ScopedGLWrapper<ScopedTexture>;
protected:
GLuint mTexture;
public:
ScopedTexture(GLContext* gl)
: ScopedGLWrapper<ScopedTexture>(gl)
{
mGL->fGenTextures(1, &mTexture);
}
GLuint Texture() { return mTexture; }
protected:
void UnwrapImpl() {
// Check that we're not falling out of scope after
// the current context changed.
MOZ_ASSERT(mGL->IsCurrent());
mGL->fDeleteTextures(1, &mTexture);
}
};
struct ScopedBindTexture
: public ScopedGLWrapper<ScopedBindTexture>
{
friend struct ScopedGLWrapper<ScopedBindTexture>;
protected:
GLuint mOldTex;
GLenum mTarget;
private:
void Init(GLenum target) {
MOZ_ASSERT(target == LOCAL_GL_TEXTURE_2D ||
target == LOCAL_GL_TEXTURE_RECTANGLE_ARB);
mTarget = target;
mOldTex = 0;
GLenum bindingTarget = (target == LOCAL_GL_TEXTURE_2D) ?
LOCAL_GL_TEXTURE_BINDING_2D :
LOCAL_GL_TEXTURE_BINDING_RECTANGLE_ARB;
mGL->GetUIntegerv(bindingTarget, &mOldTex);
}
public:
ScopedBindTexture(GLContext* gl, GLuint newTex, GLenum target = LOCAL_GL_TEXTURE_2D)
: ScopedGLWrapper<ScopedBindTexture>(gl)
{
Init(target);
mGL->fBindTexture(target, newTex);
}
protected:
void UnwrapImpl() {
// Check that we're not falling out of scope after
// the current context changed.
MOZ_ASSERT(mGL->IsCurrent());
mGL->fBindTexture(mTarget, mOldTex);
}
};
struct ScopedBindRenderbuffer
: public ScopedGLWrapper<ScopedBindRenderbuffer>
{
friend struct ScopedGLWrapper<ScopedBindRenderbuffer>;
protected:
GLuint mOldRB;
private:
void Init() {
mOldRB = 0;
mGL->GetUIntegerv(LOCAL_GL_RENDERBUFFER_BINDING, &mOldRB);
}
public:
explicit ScopedBindRenderbuffer(GLContext* gl)
: ScopedGLWrapper<ScopedBindRenderbuffer>(gl)
{
Init();
}
ScopedBindRenderbuffer(GLContext* gl, GLuint newRB)
: ScopedGLWrapper<ScopedBindRenderbuffer>(gl)
{
Init();
mGL->fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, newRB);
}
protected:
void UnwrapImpl() {
// Check that we're not falling out of scope after
// the current context changed.
MOZ_ASSERT(mGL->IsCurrent());
mGL->fBindRenderbuffer(LOCAL_GL_RENDERBUFFER, mOldRB);
}
};
struct ScopedFramebufferForTexture
: public ScopedGLWrapper<ScopedFramebufferForTexture>
{
friend struct ScopedGLWrapper<ScopedFramebufferForTexture>;
protected:
bool mComplete; // True if the framebuffer we create is complete.
GLuint mFB;
public:
ScopedFramebufferForTexture(GLContext* gl, GLuint texture,
GLenum target = LOCAL_GL_TEXTURE_2D)
: ScopedGLWrapper<ScopedFramebufferForTexture>(gl)
, mComplete(false)
, mFB(0)
{
mGL->fGenFramebuffers(1, &mFB);
ScopedBindFramebuffer autoFB(gl, mFB);
mGL->fFramebufferTexture2D(LOCAL_GL_FRAMEBUFFER,
LOCAL_GL_COLOR_ATTACHMENT0,
target,
texture,
0);
GLenum status = mGL->fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
if (status == LOCAL_GL_FRAMEBUFFER_COMPLETE) {
mComplete = true;
} else {
mGL->fDeleteFramebuffers(1, &mFB);
mFB = 0;
}
}
protected:
void UnwrapImpl() {
if (!mFB)
return;
mGL->fDeleteFramebuffers(1, &mFB);
mFB = 0;
}
public:
GLuint FB() const {
MOZ_ASSERT(IsComplete());
return mFB;
}
bool IsComplete() const {
return mComplete;
}
};
struct ScopedFramebufferForRenderbuffer
: public ScopedGLWrapper<ScopedFramebufferForRenderbuffer>
{
friend struct ScopedGLWrapper<ScopedFramebufferForRenderbuffer>;
protected:
bool mComplete; // True if the framebuffer we create is complete.
GLuint mFB;
public:
ScopedFramebufferForRenderbuffer(GLContext* gl, GLuint rb)
: ScopedGLWrapper<ScopedFramebufferForRenderbuffer>(gl)
, mComplete(false)
, mFB(0)
{
mGL->fGenFramebuffers(1, &mFB);
ScopedBindFramebuffer autoFB(gl, mFB);
mGL->fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
LOCAL_GL_COLOR_ATTACHMENT0,
LOCAL_GL_RENDERBUFFER,
rb);
GLenum status = mGL->fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
if (status == LOCAL_GL_FRAMEBUFFER_COMPLETE) {
mComplete = true;
} else {
mGL->fDeleteFramebuffers(1, &mFB);
mFB = 0;
}
}
protected:
void UnwrapImpl() {
if (!mFB)
return;
mGL->fDeleteFramebuffers(1, &mFB);
mFB = 0;
}
public:
GLuint FB() const {
return mFB;
}
bool IsComplete() const {
return mComplete;
}
};
} /* namespace gl */
} /* namespace mozilla */
#endif /* GLCONTEXT_H_ */
Reference in New Issue View Git Blame Copy Permalink