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GL: implement EXT_buffer_storage. 

For some reason I didn't see that there's an ES variant of
ARB_buffer_storage since 2015 when implementing it in
75d238f50b.
pull/638/head
Vladimír Vondruš 2 years ago
parent
fadc15989c
commit
79191044df
15 changed files with 153 additions and 37 deletions
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  1. 3
      doc/changelog.dox
  2. 1
      doc/opengl-support.dox
  3. 13
      src/Magnum/GL/Buffer.cpp
  4. 68
      src/Magnum/GL/Buffer.h
  5. 3
      src/Magnum/GL/Context.cpp
  6. 23
      src/Magnum/GL/Extensions.h
  7. 2
      src/Magnum/GL/Implementation/BufferState.cpp
  8. 2
      src/Magnum/GL/Implementation/BufferState.h
  9. 22
      src/Magnum/GL/Test/BufferGLTest.cpp
  10. 1
      src/MagnumExternal/OpenGL/GLES3/extensions.txt
  11. 20
      src/MagnumExternal/OpenGL/GLES3/flextGL.h
  12. 3
      src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp
  13. 6
      src/MagnumExternal/OpenGL/GLES3/flextGLPlatformIOS.cpp
  14. 3
      src/MagnumExternal/OpenGL/GLES3/flextGLPlatformWindowsDesktop.cpp
  15. 20
      src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h

3
doc/changelog.dox
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@ -186,7 +186,8 @@ See also:
- Recognizing the @gl_extension{NV,geometry_shader_passthrough} extension
- Added a @ref GL::AbstractTexture::target() getter to simplify interaction
with raw GL code
- Exposed @gl_extension{ARB,buffer_storage} as
- Exposed the @gl_extension{ARB,buffer_storage} desktop and
@gl_extension{EXT,buffer_storage} ES extensions as
@ref GL::Buffer::setStorage() together with additions to
@ref GL::Buffer::MapFlag
- It's now possible to modify index offset via @ref GL::Mesh::setIndexOffset()

1
doc/opengl-support.dox
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@ -481,6 +481,7 @@ Extension | Status
@gl_extension{EXT,texture_norm16} | done
@gl_extension{EXT,texture_sRGB_R8} | done
@gl_extension{EXT,texture_sRGB_RG8} | done
@gl_extension{EXT,buffer_storage} | done
@gl_extension{EXT,blend_func_extended} | done
@gl_extension{EXT,polygon_offset_clamp} | |
@gl_extension{EXT,clip_cull_distance} | done

13
src/Magnum/GL/Buffer.cpp
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@ -345,7 +345,7 @@ Buffer& Buffer::bind(const Target target, const UnsignedInt index) {
}
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
Buffer& Buffer::setStorage(const Containers::ArrayView<const void> data, const StorageFlags flags) {
Context::current().state().buffer.storageImplementation(*this, data, flags);
return *this;
@ -488,11 +488,18 @@ void Buffer::copyImplementationDSA(Buffer& read, Buffer& write, const GLintptr r
#endif
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
void Buffer::storageImplementationDefault(Buffer& self, Containers::ArrayView<const void> data, StorageFlags flags) {
glBufferStorage(GLenum(self.bindSomewhereInternal(self._targetHint)), data.size(), data.data(), GLbitfield(flags));
#ifndef MAGNUM_TARGET_GLES
glBufferStorage
#else
glBufferStorageEXT
#endif
(GLenum(self.bindSomewhereInternal(self._targetHint)), data.size(), data.data(), GLbitfield(flags));
}
#endif
#ifndef MAGNUM_TARGET_GLES
void Buffer::storageImplementationDSA(Buffer& self, Containers::ArrayView<const void> data, const StorageFlags flags) {
glNamedBufferStorage(self._id, data.size(), data.data(), GLbitfield(flags));
}

68
src/Magnum/GL/Buffer.h
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@ -530,25 +530,35 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
Unsynchronized = GL_MAP_UNSYNCHRONIZED_BIT_EXT,
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
/**
* Allow reading from or writing to the buffer while it is mapped.
* @m_since_latest
* @requires_gl44 Extension @gl_extension{ARB,buffer_storage}
* @requires_gl Buffer storage is not available in OpenGL ES and
* WebGL, use @ref setData() instead.
* @requires_es_extension OpenGL ES 3.1 and extension
* @gl_extension{EXT,buffer_storage}
* @requires_gles Buffer storage is not available in WebGL, use
* @ref setData() instead.
*/
#ifndef MAGNUM_TARGET_GLES
Persistent = GL_MAP_PERSISTENT_BIT,
#else
Persistent = GL_MAP_PERSISTENT_BIT_EXT,
#endif
/**
* Shared access to buffer that's both mapped and used will be
* coherent.
* @m_since_latest
* @requires_gl44 Extension @gl_extension{ARB,buffer_storage}
* @requires_gl Buffer storage is not available in OpenGL ES and
* WebGL, use @ref setData() instead.
* @requires_es_extension OpenGL ES 3.1 and extension
* @gl_extension{EXT,buffer_storage}
* @requires_gles Buffer storage is not available in WebGL, use
* @ref setData() instead.
*/
#ifndef MAGNUM_TARGET_GLES
Coherent = GL_MAP_COHERENT_BIT
#else
Coherent = GL_MAP_COHERENT_BIT_EXT
#endif
#endif
};
@ -564,7 +574,7 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
typedef Containers::EnumSet<MapFlag> MapFlags;
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
/**
* @brief Buffer storage flag
* @m_since_latest
@ -572,8 +582,10 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
* @see @ref StorageFlags, @ref setStorage()
* @m_enum_values_as_keywords
* @requires_gl44 Extension @gl_extension{ARB,buffer_storage}
* @requires_gl Buffer storage is not available in OpenGL ES and WebGL,
* use @ref setData() instead.
* @requires_es_extension OpenGL ES 3.1 and extension
* @gl_extension{EXT,buffer_storage}
* @requires_gles Buffer storage is not available in WebGL, use
* @ref setData() instead.
*/
enum class StorageFlag: GLbitfield {
/** Allow the buffer to be mapped with @ref MapFlag::Read. */
@ -583,20 +595,36 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
MapWrite = GL_MAP_WRITE_BIT,
/** Allow the buffer to be mapped with @ref MapFlag::Persistent. */
#ifndef MAGNUM_TARGET_GLES
MapPersistent = GL_MAP_PERSISTENT_BIT,
#else
MapPersistent = GL_MAP_PERSISTENT_BIT_EXT,
#endif
/** Allow the buffer to be mapped with @ref MapFlag::Coherent. */
#ifndef MAGNUM_TARGET_GLES
MapCoherent = GL_MAP_COHERENT_BIT,
#else
MapCoherent = GL_MAP_COHERENT_BIT_EXT,
#endif
/**
* Allow the buffer to be updated with @ref setSubData(). Note that
* the buffer can still be updated through @ref copy() even without
* this flag present.
*/
#ifndef MAGNUM_TARGET_GLES
DynamicStorage = GL_DYNAMIC_STORAGE_BIT,
#else
DynamicStorage = GL_DYNAMIC_STORAGE_BIT_EXT,
#endif
/** Prefer to allocate the memory in client memory space. */
#ifndef MAGNUM_TARGET_GLES
ClientStorage = GL_CLIENT_STORAGE_BIT
#else
ClientStorage = GL_CLIENT_STORAGE_BIT_EXT
#endif
};
/**
@ -605,8 +633,10 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
*
* @see @ref setStorage()
* @requires_gl44 Extension @gl_extension{ARB,buffer_storage}
* @requires_gl Buffer storage is not available in OpenGL ES and WebGL,
* use @ref setData() instead.
* @requires_es_extension OpenGL ES 3.1 and extension
* @gl_extension{EXT,buffer_storage}
* @requires_gles Buffer storage is not available in WebGL, use
* @ref setData() instead.
*/
typedef Containers::EnumSet<StorageFlag> StorageFlags;
#endif
@ -1073,7 +1103,7 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
Buffer& bind(Target target, UnsignedInt index);
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
/**
* @brief Set storage
* @param data Data
@ -1087,8 +1117,10 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
* @fn_gl2_keyword{NamedBufferStorage,BufferStorage}, eventually
* @fn_gl{BindBuffer} and @fn_gl_keyword{BufferStorage}
* @requires_gl44 Extension @gl_extension{ARB,buffer_storage}
* @requires_gl Buffer storage is not available in OpenGL ES and WebGL,
* use @ref setData() instead.
* @requires_es_extension OpenGL ES 3.1 and extension
* @gl_extension{EXT,buffer_storage}
* @requires_gles Buffer storage is not available in WebGL, use
* @ref setData() instead.
*/
Buffer& setStorage(Containers::ArrayView<const void> data, StorageFlags flags);
@ -1380,8 +1412,10 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
void MAGNUM_GL_LOCAL createIfNotAlready();
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
static void MAGNUM_GL_LOCAL storageImplementationDefault(Buffer& self, Containers::ArrayView<const void> data, StorageFlags flags);
#endif
#ifndef MAGNUM_TARGET_GLES
static void MAGNUM_GL_LOCAL storageImplementationDSA(Buffer& self, Containers::ArrayView<const void> data, StorageFlags flags);
#endif
@ -1474,7 +1508,7 @@ class MAGNUM_GL_EXPORT Buffer: public AbstractObject {
CORRADE_ENUMSET_OPERATORS(Buffer::MapFlags)
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
CORRADE_ENUMSET_OPERATORS(Buffer::StorageFlags)
#endif

3
src/Magnum/GL/Context.cpp
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@ -380,6 +380,9 @@ constexpr Extension ExtensionList[]{
Extensions::ARM::shader_framebuffer_fetch{},
Extensions::ARM::shader_framebuffer_fetch_depth_stencil{},
Extensions::EXT::blend_func_extended{},
#ifndef MAGNUM_TARGET_GLES2
Extensions::EXT::buffer_storage{},
#endif
Extensions::EXT::clip_control{},
#ifndef MAGNUM_TARGET_GLES2
Extensions::EXT::clip_cull_distance{},

23
src/Magnum/GL/Extensions.h
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@ -513,20 +513,21 @@ namespace ANDROID {
_extension( 75,EXT,texture_norm16, GLES310, None) // #207
_extension( 76,EXT,texture_sRGB_R8, GLES300, None) // #221
_extension( 77,EXT,texture_sRGB_RG8, GLES300, None) // #223
_extension( 78,EXT,buffer_storage, GLES310, None) // #239
#endif
_extension( 78,EXT,blend_func_extended, GLES200, None) // #247
_extension( 79,EXT,polygon_offset_clamp, GLES200, None) // #252
_extension( 79,EXT,blend_func_extended, GLES200, None) // #247
_extension( 80,EXT,polygon_offset_clamp, GLES200, None) // #252
#ifndef MAGNUM_TARGET_GLES2
_extension( 80,EXT,clip_cull_distance, GLES300, None) // #257
_extension( 81,EXT,texture_compression_rgtc, GLES300, None) // #286
_extension( 82,EXT,texture_compression_bptc, GLES300, None) // #287
#endif
_extension( 83,EXT,texture_compression_s3tc_srgb, GLES200, None) // #289
_extension( 84,EXT,clip_control, GLES200, None) // #290
_extension( 85,EXT,texture_mirror_clamp_to_edge, GLES200, None) // #291
_extension( 86,EXT,depth_clamp, GLES200, None) // #309
_extension( 81,EXT,clip_cull_distance, GLES300, None) // #257
_extension( 82,EXT,texture_compression_rgtc, GLES300, None) // #286
_extension( 83,EXT,texture_compression_bptc, GLES300, None) // #287
#endif
_extension( 84,EXT,texture_compression_s3tc_srgb, GLES200, None) // #289
_extension( 85,EXT,clip_control, GLES200, None) // #290
_extension( 86,EXT,texture_mirror_clamp_to_edge, GLES200, None) // #291
_extension( 87,EXT,depth_clamp, GLES200, None) // #309
} namespace IMG {
_extension( 87,IMG,texture_compression_pvrtc, GLES200, None) // #54
_extension( 88,IMG,texture_compression_pvrtc, GLES200, None) // #54
} namespace KHR {
_extension( 89,KHR,texture_compression_astc_ldr,GLES200, GLES320) // #117
_extension( 90,KHR,texture_compression_astc_hdr,GLES200, None) // #117

2
src/Magnum/GL/Implementation/BufferState.cpp
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@ -121,7 +121,7 @@ BufferState::BufferState(Context& context, Containers::StaticArrayView<Implement
#ifndef MAGNUM_TARGET_GLES2
copyImplementation = &Buffer::copyImplementationDefault;
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
storageImplementation = &Buffer::storageImplementationDefault;
#endif
getParameterImplementation = &Buffer::getParameterImplementationDefault;

2
src/Magnum/GL/Implementation/BufferState.h
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@ -66,7 +66,7 @@ struct BufferState {
#endif
void(*createImplementation)(Buffer&);
void(*setTargetHintImplementation)(Buffer&, Buffer::TargetHint);
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
void(*storageImplementation)(Buffer&, Containers::ArrayView<const void>, Buffer::StorageFlags);
#endif
void(*getParameterImplementation)(Buffer&, GLenum, GLint*);

22
src/Magnum/GL/Test/BufferGLTest.cpp
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@ -62,7 +62,7 @@ struct BufferGLTest: OpenGLTester {
#endif
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
void storage();
void storagePreinitialized();
#endif
@ -129,7 +129,7 @@ BufferGLTest::BufferGLTest() {
#endif
addTests({
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
&BufferGLTest::storage,
&BufferGLTest::storagePreinitialized,
#endif
@ -407,10 +407,15 @@ void BufferGLTest::bindBaseRangeCreatesObject() {
#endif
#endif
#ifndef MAGNUM_TARGET_GLES
#if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL)
void BufferGLTest::storage() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current().isExtensionSupported<Extensions::ARB::buffer_storage>())
CORRADE_SKIP(Extensions::ARB::buffer_storage::string() << "is not supported.");
#else
if(!Context::current().isExtensionSupported<Extensions::EXT::buffer_storage>())
CORRADE_SKIP(Extensions::EXT::buffer_storage::string() << "is not supported.");
#endif
Buffer buffer;
@ -420,14 +425,22 @@ void BufferGLTest::storage() {
.setSubData(0, data);
MAGNUM_VERIFY_NO_GL_ERROR();
/** @todo How to verify the contents in ES? */
#ifndef MAGNUM_TARGET_GLES
CORRADE_COMPARE_AS(Containers::arrayCast<Int>(buffer.data()),
Containers::arrayView(data),
TestSuite::Compare::Container);
#endif
}
void BufferGLTest::storagePreinitialized() {
#ifndef MAGNUM_TARGET_GLES
if(!Context::current().isExtensionSupported<Extensions::ARB::buffer_storage>())
CORRADE_SKIP(Extensions::ARB::buffer_storage::string() << "is not supported.");
#else
if(!Context::current().isExtensionSupported<Extensions::EXT::buffer_storage>())
CORRADE_SKIP(Extensions::EXT::buffer_storage::string() << "is not supported.");
#endif
Buffer buffer;
@ -436,9 +449,12 @@ void BufferGLTest::storagePreinitialized() {
buffer.setStorage(data, Buffer::StorageFlag::MapRead|Buffer::StorageFlag::ClientStorage);
MAGNUM_VERIFY_NO_GL_ERROR();
/** @todo How to verify the contents in ES? */
#ifndef MAGNUM_TARGET_GLES
CORRADE_COMPARE_AS(Containers::arrayCast<Int>(buffer.data()),
Containers::arrayView(data),
TestSuite::Compare::Container);
#endif
}
#endif

1
src/MagnumExternal/OpenGL/GLES3/extensions.txt vendored
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@ -64,6 +64,7 @@ extension EXT_draw_elements_base_vertex optional
extension EXT_texture_norm16 optional
extension EXT_texture_sRGB_R8 optional
extension EXT_texture_sRGB_RG8 optional
extension EXT_buffer_storage optional
extension EXT_blend_func_extended optional
extension EXT_polygon_offset_clamp optional
extension EXT_clip_cull_distance optional

20
src/MagnumExternal/OpenGL/GLES3/flextGL.h vendored
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@ -1590,6 +1590,18 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
#define GL_SRG8_EXT 0x8FBE
/* GL_EXT_buffer_storage */
#define GL_MAP_READ_BIT 0x0001
#define GL_MAP_WRITE_BIT 0x0002
#define GL_MAP_PERSISTENT_BIT_EXT 0x0040
#define GL_MAP_COHERENT_BIT_EXT 0x0080
#define GL_DYNAMIC_STORAGE_BIT_EXT 0x0100
#define GL_CLIENT_STORAGE_BIT_EXT 0x0200
#define GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT_EXT 0x00004000
#define GL_BUFFER_IMMUTABLE_STORAGE_EXT 0x821F
#define GL_BUFFER_STORAGE_FLAGS_EXT 0x8220
/* GL_EXT_blend_func_extended */
#define GL_SRC1_COLOR_EXT 0x88F9
@ -2152,6 +2164,10 @@ struct FlextGL {
GLint(APIENTRY *GetFragDataIndexEXT)(GLuint, const GLchar *);
GLint(APIENTRY *GetProgramResourceLocationIndexEXT)(GLuint, GLenum, const GLchar *);
/* GL_EXT_buffer_storage */
void(APIENTRY *BufferStorageEXT)(GLenum, GLsizeiptr, const void *, GLbitfield);
/* GL_EXT_clip_control */
void(APIENTRY *ClipControlEXT)(GLenum, GLenum);
@ -2522,6 +2538,10 @@ extern FLEXTGL_EXPORT FlextGL flextGL;
#define glGetFragDataIndexEXT flextGL.GetFragDataIndexEXT
#define glGetProgramResourceLocationIndexEXT flextGL.GetProgramResourceLocationIndexEXT
/* GL_EXT_buffer_storage */
#define glBufferStorageEXT flextGL.BufferStorageEXT
/* GL_EXT_clip_control */
#define glClipControlEXT flextGL.ClipControlEXT

3
src/MagnumExternal/OpenGL/GLES3/flextGLPlatform.cpp vendored
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@ -173,6 +173,9 @@ void flextGLInit(Magnum::GL::Context&) {
flextGL.GetFragDataIndexEXT = reinterpret_cast<GLint(APIENTRY*)(GLuint, const GLchar *)>(loader.load("glGetFragDataIndexEXT"));
flextGL.GetProgramResourceLocationIndexEXT = reinterpret_cast<GLint(APIENTRY*)(GLuint, GLenum, const GLchar *)>(loader.load("glGetProgramResourceLocationIndexEXT"));
/* GL_EXT_buffer_storage */
flextGL.BufferStorageEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizeiptr, const void *, GLbitfield)>(loader.load("glBufferStorageEXT"));
/* GL_EXT_clip_control */
flextGL.ClipControlEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum)>(loader.load("glClipControlEXT"));

6
src/MagnumExternal/OpenGL/GLES3/flextGLPlatformIOS.cpp vendored
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@ -39,6 +39,7 @@
#undef glBindFragDataLocationIndexedEXT
#undef glGetFragDataIndexEXT
#undef glGetProgramResourceLocationIndexEXT
#undef glBufferStorageEXT
#undef glClipControlEXT
#undef glCopyImageSubDataEXT
#undef glGetObjectLabelEXT
@ -209,6 +210,11 @@ void flextGLInit(Magnum::GL::Context&) {
flextGL.GetProgramResourceLocationIndexEXT = reinterpret_cast<GLint(APIENTRY*)(GLuint, GLenum, const GLchar *)>(glGetProgramResourceLocationIndexEXT);
#endif
/* GL_EXT_buffer_storage */
#if GL_EXT_buffer_storage
flextGL.BufferStorageEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizeiptr, const void *, GLbitfield)>(glBufferStorageEXT);
#endif
/* GL_EXT_clip_control */
#if GL_EXT_clip_control
flextGL.ClipControlEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum)>(glClipControlEXT);

3
src/MagnumExternal/OpenGL/GLES3/flextGLPlatformWindowsDesktop.cpp vendored
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@ -375,6 +375,9 @@ void flextGLInit(Magnum::GL::Context&) {
flextGL.GetFragDataIndexEXT = reinterpret_cast<GLint(APIENTRY*)(GLuint, const GLchar *)>(loader.load("glGetFragDataIndexEXT"));
flextGL.GetProgramResourceLocationIndexEXT = reinterpret_cast<GLint(APIENTRY*)(GLuint, GLenum, const GLchar *)>(loader.load("glGetProgramResourceLocationIndexEXT"));
/* GL_EXT_buffer_storage */
flextGL.BufferStorageEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLsizeiptr, const void *, GLbitfield)>(loader.load("glBufferStorageEXT"));
/* GL_EXT_clip_control */
flextGL.ClipControlEXT = reinterpret_cast<void(APIENTRY*)(GLenum, GLenum)>(loader.load("glClipControlEXT"));

20
src/MagnumExternal/OpenGL/GLES3/flextGLWindowsDesktop.h vendored
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@ -1583,6 +1583,18 @@ typedef void (APIENTRY *GLDEBUGPROCKHR)(GLenum source,GLenum type,GLuint id,GLen
#define GL_SRG8_EXT 0x8FBE
/* GL_EXT_buffer_storage */
#define GL_MAP_READ_BIT 0x0001
#define GL_MAP_WRITE_BIT 0x0002
#define GL_MAP_PERSISTENT_BIT_EXT 0x0040
#define GL_MAP_COHERENT_BIT_EXT 0x0080
#define GL_DYNAMIC_STORAGE_BIT_EXT 0x0100
#define GL_CLIENT_STORAGE_BIT_EXT 0x0200
#define GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT_EXT 0x00004000
#define GL_BUFFER_IMMUTABLE_STORAGE_EXT 0x821F
#define GL_BUFFER_STORAGE_FLAGS_EXT 0x8220
/* GL_EXT_blend_func_extended */
#define GL_SRC1_COLOR_EXT 0x88F9
@ -2156,6 +2168,10 @@ struct FlextGL {
GLint(APIENTRY *GetFragDataIndexEXT)(GLuint, const GLchar *);
GLint(APIENTRY *GetProgramResourceLocationIndexEXT)(GLuint, GLenum, const GLchar *);
/* GL_EXT_buffer_storage */
void(APIENTRY *BufferStorageEXT)(GLenum, GLsizeiptr, const void *, GLbitfield);
/* GL_EXT_clip_control */
void(APIENTRY *ClipControlEXT)(GLenum, GLenum);
@ -2730,6 +2746,10 @@ extern FLEXTGL_EXPORT FlextGL flextGL;
#define glGetFragDataIndexEXT flextGL.GetFragDataIndexEXT
#define glGetProgramResourceLocationIndexEXT flextGL.GetProgramResourceLocationIndexEXT
/* GL_EXT_buffer_storage */
#define glBufferStorageEXT flextGL.BufferStorageEXT
/* GL_EXT_clip_control */
#define glClipControlEXT flextGL.ClipControlEXT

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