Hi Robert,
After seen and changed the patch provide by Art Tevs on the
GL_EXT_gpu_shader4 extension.
I have remarked that the extension guard
#ifndef GL_EXT_gpu_shader4
don't do
#define GL_EXT_gpu_shader4
I go through the glext.h and I see that it is define with the extension
functions definition.
ex of the Nvidia glext.h:
#ifndef __glext_h_
#define __glext_h_
#ifdef __cplusplus
extern "C" {
#endif
/* blablabla */
... lot of define ...
#ifndef GL_EXT_gpu_shader4
#define GL_SAMPLER_1D_ARRAY_EXT 0x8DC0
#define ...
#endif
... lot of define ...
#ifndef GL_EXT_gpu_shader4
#define GL_EXT_gpu_shader4 1
#ifdef GL_GLEXT_PROTOTYPES
extern void APIENTRY glGetUniformuivEXT (GLuint program, GLint location,
GLuint *params);
extern void APIENTRY glBindFragDataLocationEXT (GLuint program, GLuint
color, const GLchar *name);
extern GLint APIENTRY glGetFragDataLocationEXT (GLuint program, const GLchar
*name);
extern void APIENTRY glUniform1uiEXT (GLint location, GLuint v0);
...
So, to keep OSG consistent, we need to add
#define GL_EXT... 1
after each
#ifndef GL_EXT...
concerned file are FragmentProgram, VertexProgram, GL2Extensions,
PointSprite,
Thought ?
David
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