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bug 903481 - step 2 - [WebGL 2.0] transform feedback: add symbols in GLContext - r=jgilbert

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This commit is contained in:
Guillaume Abadie 2013-08-20 11:36:20 -04:00
parent 2e13b97e43
commit 4f2b0458e0
4 changed files with 195 additions and 0 deletions
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89
gfx/gl/GLContext.cpp
View File

@ -654,6 +654,95 @@ GLContext::InitWithPrefix(const char *prefix, bool trygl)
}
}
if (IsExtensionSupported(XXX_transform_feedback)) {
SymLoadStruct transformFeedbackSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fBindBufferBase,
{ "BindBufferBase",
"BindBufferBaseEXT",
"BindBufferBaseNV",
nullptr
}
},
{ (PRFuncPtr*) &mSymbols.fBindBufferRange,
{ "BindBufferRange",
"BindBufferRangeEXT",
"BindBufferRangeNV",
nullptr
}
},
{ (PRFuncPtr*) &mSymbols.fBeginTransformFeedback,
{ "BeginTransformFeedback",
"BeginTransformFeedbackEXT",
"BeginTransformFeedbackNV",
nullptr
}
},
{ (PRFuncPtr*) &mSymbols.fEndTransformFeedback,
{ "EndTransformFeedback",
"EndTransformFeedbackEXT",
"EndTransformFeedbackNV",
nullptr
}
},
{ (PRFuncPtr*) &mSymbols.fTransformFeedbackVaryings,
{ "TransformFeedbackVaryings",
"TransformFeedbackVaryingsEXT",
"TransformFeedbackVaryingsNV",
nullptr
}
},
{ (PRFuncPtr*) &mSymbols.fGetTransformFeedbackVarying,
{ "GetTransformFeedbackVarying",
"GetTransformFeedbackVaryingEXT",
"GetTransformFeedbackVaryingNV",
nullptr
}
},
{ (PRFuncPtr*) &mSymbols.fGetIntegeri_v,
{ "GetIntegeri_v",
"GetIntegerIndexedvEXT",
"GetIntegerIndexedvNV",
nullptr
}
},
{ nullptr, { nullptr } },
};
if (!LoadSymbols(transformFeedbackSymbols, trygl, prefix)) {
NS_ERROR("GL supports transform feedback without supplying its functions.");
MarkExtensionGroupUnsupported(XXX_transform_feedback);
MarkExtensionGroupUnsupported(XXX_bind_buffer_offset);
mSymbols.fBindBufferBase = nullptr;
mSymbols.fBindBufferRange = nullptr;
mSymbols.fBeginTransformFeedback = nullptr;
mSymbols.fEndTransformFeedback = nullptr;
mSymbols.fTransformFeedbackVaryings = nullptr;
mSymbols.fGetTransformFeedbackVarying = nullptr;
mSymbols.fGetIntegeri_v = nullptr;
}
}
if (IsExtensionSupported(XXX_bind_buffer_offset)) {
SymLoadStruct bindBufferOffsetSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fBindBufferOffset,
{ "BindBufferOffset",
"BindBufferOffsetEXT",
"BindBufferOffsetNV",
nullptr
}
},
{ nullptr, { nullptr } },
};
if (!LoadSymbols(bindBufferOffsetSymbols, trygl, prefix)) {
NS_ERROR("GL supports BindBufferOffset without supplying its function.");
MarkExtensionGroupUnsupported(XXX_bind_buffer_offset);
mSymbols.fBindBufferOffset = nullptr;
}
}
if (IsExtensionSupported(XXX_query_objects)) {
SymLoadStruct queryObjectsSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fBeginQuery, { "BeginQuery", "BeginQueryEXT", nullptr } },

73
gfx/gl/GLContext.h
View File

@ -474,6 +474,7 @@ public:
* This enum should be sorted by name.
*/
enum GLExtensionGroup {
XXX_bind_buffer_offset,
XXX_depth_texture,
XXX_draw_buffers,
XXX_draw_instanced,
@ -2034,6 +2035,18 @@ public:
}
// -----------------------------------------------------------------------------
// 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:
@ -2187,6 +2200,66 @@ public:
}
// -----------------------------------------------------------------------------
// 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:

10
gfx/gl/GLContextExtensionGroupQueries.cpp
View File

@ -27,6 +27,16 @@ struct ExtensionGroupInfo
};
static const ExtensionGroupInfo sExtensionGroupInfoArr[] = {
{
"XXX_bind_buffer_offset",
0, // OpenGL version
0, // OpenGL ES version
{
GLContext::EXT_transform_feedback,
GLContext::NV_transform_feedback,
GLContext::Extensions_End
}
},
{
"XXX_depth_texture",
200, // OpenGL version

23
gfx/gl/GLContextSymbols.h
View File

@ -419,6 +419,29 @@ struct GLContextSymbols
// ARB_instanced_array
typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBDIVISOR) (GLuint index, GLuint divisor);
PFNGLVERTEXATTRIBDIVISOR fVertexAttribDivisor;
// EXT_transform_feedback / OpenGL (ES) 3.0
typedef void (GLAPIENTRY * PFNGLBINDBUFFERBASE) (GLenum target, GLuint index, GLuint buffer);
PFNGLBINDBUFFERBASE fBindBufferBase;
typedef void (GLAPIENTRY * PFNGLBINDBUFFERRANGE) (GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size);
PFNGLBINDBUFFERRANGE fBindBufferRange;
typedef void (GLAPIENTRY * PFNGLBEGINTRANSFORMFEEDBACK) (GLenum primitiveMode);
PFNGLBEGINTRANSFORMFEEDBACK fBeginTransformFeedback;
typedef void (GLAPIENTRY * PFNGLENDTRANSFORMFEEDBACK) (void);
PFNGLENDTRANSFORMFEEDBACK fEndTransformFeedback;
typedef void (GLAPIENTRY * PFNGLTRANSFORMFEEDBACKVARYINGS) (GLuint program, GLsizei count, const GLchar* const* varyings, GLenum bufferMode);
PFNGLTRANSFORMFEEDBACKVARYINGS fTransformFeedbackVaryings;
typedef void (GLAPIENTRY * PFNGLGETTRANSFORMFEEDBACKVARYING) (GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLsizei* size, GLenum* type, GLchar* name);
PFNGLGETTRANSFORMFEEDBACKVARYING fGetTransformFeedbackVarying;
typedef void (GLAPIENTRY * PFNGLGETINTEGERI_V) (GLenum param, GLuint index, GLint* values);
PFNGLGETINTEGERI_V fGetIntegeri_v;
// EXT_transform_feedback only
typedef void (GLAPIENTRY * PFNGLBINDBUFFEROFFSET) (GLenum target, GLuint index, GLuint buffer, GLintptr offset);
PFNGLBINDBUFFEROFFSET fBindBufferOffset;
};
}