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[client] egl: dynamically import glBufferStorageEXT

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On some implementations (e.g. llvmpipe), the function can only be queried via
eglGetProcAddress.
This commit is contained in:
Quantum 2021-08-18 22:55:23 -04:00 committed by Geoffrey McRae
parent 5a906131eb
commit 429620c48b
3 changed files with 7 additions and 1 deletions
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3
client/include/egl_dynprocs.h
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@ -37,6 +37,8 @@ typedef void (*DEBUGPROC_t)(GLenum source,
const GLchar *message, const void *userParam); const GLchar *message, const void *userParam);
typedef void (*glDebugMessageCallback_t)(DEBUGPROC_t callback, typedef void (*glDebugMessageCallback_t)(DEBUGPROC_t callback,
const void * userParam); const void * userParam);
typedef void (*glBufferStorageEXT_t)(GLenum target, GLsizeiptr size,
const void * data, GLbitfield flags);
struct EGLDynProcs struct EGLDynProcs
{ {
@ -47,6 +49,7 @@ struct EGLDynProcs
glEGLImageTargetTexture2DOES_t glEGLImageTargetTexture2DOES; glEGLImageTargetTexture2DOES_t glEGLImageTargetTexture2DOES;
glDebugMessageCallback_t glDebugMessageCallback; glDebugMessageCallback_t glDebugMessageCallback;
glDebugMessageCallback_t glDebugMessageCallbackKHR; glDebugMessageCallback_t glDebugMessageCallbackKHR;
glBufferStorageEXT_t glBufferStorageEXT;
}; };
extern struct EGLDynProcs g_egl_dynProcs; extern struct EGLDynProcs g_egl_dynProcs;

3
client/renderers/EGL/texture_util.c
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@ -26,6 +26,7 @@
#include <GLES2/gl2ext.h> #include <GLES2/gl2ext.h>
#include "egldebug.h" #include "egldebug.h"
#include "egl_dynprocs.h"
/** /**
* the following comes from drm_fourcc.h and is included here to avoid the * the following comes from drm_fourcc.h and is included here to avoid the
@ -108,7 +109,7 @@ bool egl_texUtilGenBuffers(const EGL_TexFormat * fmt, EGL_TexBuffer * buffers,
buffer->size = fmt->bufferSize; buffer->size = fmt->bufferSize;
glGenBuffers(1, &buffer->pbo); glGenBuffers(1, &buffer->pbo);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer->pbo); glBindBuffer(GL_PIXEL_UNPACK_BUFFER, buffer->pbo);
glBufferStorageEXT( g_egl_dynProcs.glBufferStorageEXT(
GL_PIXEL_UNPACK_BUFFER, GL_PIXEL_UNPACK_BUFFER,
fmt->bufferSize, fmt->bufferSize,
NULL, NULL,

2
client/src/egl_dynprocs.c
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@ -40,6 +40,8 @@ void egl_dynProcsInit(void)
eglGetProcAddress("glDebugMessageCallback"); eglGetProcAddress("glDebugMessageCallback");
g_egl_dynProcs.glDebugMessageCallbackKHR = (glDebugMessageCallback_t) g_egl_dynProcs.glDebugMessageCallbackKHR = (glDebugMessageCallback_t)
eglGetProcAddress("glDebugMessageCallbackKHR"); eglGetProcAddress("glDebugMessageCallbackKHR");
g_egl_dynProcs.glBufferStorageEXT = (glBufferStorageEXT_t)
eglGetProcAddress("glBufferStorageEXT");
}; };
#endif #endif