Differential D643 Diff 2142 source/blender/gpu/intern/gpu_extensions.c

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	*/	*/


	#include "GL/glew.h"	#include "GPU_glew.h"

	#include "DNA_image_types.h"	#include "DNA_image_types.h"

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	/* GPU Extensions */	/* GPU Extensions */

	static int gpu_extensions_init = 0;

	void GPU_extensions_disable(void)	void GPU_extensions_disable(void)
	{	{
	GG.extdisabled = 1;	GG.extdisabled = 1;
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	return GG.maxtexsize;	return GG.maxtexsize;
	}	}

	void GPU_extensions_init(void)	void gpu_extensions_init(void)
	{	{
	GLint r, g, b;	GLint r, g, b;
	const char vendor, renderer;	const char vendor, renderer;

	/* can't avoid calling this multiple times, see wm_window_add_ghostwindow */
	if (gpu_extensions_init) return;
	gpu_extensions_init= 1;

	glewInit();
	GPU_codegen_init();

	/* glewIsSupported("GL_VERSION_2_0") */	/* glewIsSupported("GL_VERSION_2_0") */

	if (GLEW_ARB_multitexture)	if (GLEW_ARB_multitexture)
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	GPU_simple_shaders_init();	GPU_simple_shaders_init();
	}	}

	void GPU_extensions_exit(void)	void gpu_extensions_exit(void)
	{	{
	gpu_extensions_init = 0;
	GPU_codegen_exit();
	GPU_simple_shaders_exit();	GPU_simple_shaders_exit();
	GPU_invalid_tex_free();	GPU_invalid_tex_free();
	}	}
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