Differential D6837 Diff 21754 source/blender/gpu/intern/gpu_texture.c

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source/blender/gpu/intern/gpu_texture.c

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* The Original Code is Copyright (C) 2005 Blender Foundation.		* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.		* All rights reserved.
*/		*/

/** \file		/** \file
* \ingroup gpu		* \ingroup gpu
*/		*/

		#include <string.h>

#include "MEM_guardedalloc.h"		#include "MEM_guardedalloc.h"

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

#include "BLI_blenlib.h"		#include "BLI_blenlib.h"
#include "BLI_utildefines.h"		#include "BLI_utildefines.h"
#include "BLI_math_base.h"		#include "BLI_math_base.h"

▲ Show 20 Lines • Show All 1,398 Lines • ▼ Show 20 Lines	else {
glGetTexImage(tex->target, miplvl, data_format, data_type, buf);		glGetTexImage(tex->target, miplvl, data_format, data_type, buf);
}		}

glBindTexture(tex->target, 0);		glBindTexture(tex->target, 0);

return buf;		return buf;
}		}

		void GPU_texture_clear(GPUTexture tex, eGPUDataFormat gpu_data_format, const void color)
		{
		if (GLEW_ARB_clear_texture) {
		GLenum data_format = gpu_get_gl_dataformat(tex->format, &tex->format_flag);
		GLenum data_type = gpu_get_gl_datatype(gpu_data_format);
		glClearTexImage(tex->bindcode, 0, data_format, data_type, color);
		}
		else {
		size_t buffer_len = gpu_texture_memory_footprint_compute(tex);
		unsigned char *pixels = MEM_mallocN(buffer_len, __func__);
		if (color) {
		size_t bytesize = tex->bytesize;
		for (size_t byte = 0; byte < buffer_len; byte += bytesize) {
		memset(&pixels[byte], color, bytesize);
		}
		}
		else {
		memset(pixels, 0, buffer_len);
		}
		GPU_texture_update(tex, gpu_data_format, pixels);
		MEM_freeN(pixels);
		}
		}

void GPU_texture_update(GPUTexture tex, eGPUDataFormat data_format, const void pixels)		void GPU_texture_update(GPUTexture tex, eGPUDataFormat data_format, const void pixels)
{		{
GPU_texture_update_sub(tex, data_format, pixels, 0, 0, 0, tex->w, tex->h, tex->d);		GPU_texture_update_sub(tex, data_format, pixels, 0, 0, 0, tex->w, tex->h, tex->d);
}		}

void GPU_invalid_tex_init(void)		void GPU_invalid_tex_init(void)
{		{
memory_usage = 0;		memory_usage = 0;
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