Reverting revision 33120, which added vram monitoring. The method used had some problems (especially in the freeing function). I will research an alternative solution and submit it to the tracker.

3 files changed, 1 insertions, 43 deletions

diff --git a/source/blender/gpu/GPU_extensions.h b/source/blender/gpu/GPU_extensions.h
index a9b4b7a8544..96c68778201 100644
--- a/source/blender/gpu/GPU_extensions.h
+++ b/source/blender/gpu/GPU_extensions.h
@@ -104,10 +104,6 @@ int GPU_type_matches(GPUDeviceType device, GPUOSType os, GPUDriverType driver);
 	- if created with from_blender, will not free the texture
 */
 
-unsigned int GPU_texture_vram_usage(void);
-void GPU_texture_vram_add(unsigned int amount);
-void GPU_texture_vram_subtract(unsigned int amount);
-
 GPUTexture *GPU_texture_create_1D(int w, float *pixels);
 GPUTexture *GPU_texture_create_2D(int w, int h, float *pixels);
 GPUTexture *GPU_texture_create_3D(int w, int h, int depth, float *fpixels);
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index 2d15d3efae9..a93d8cbbb8e 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -540,13 +540,11 @@ int GPU_verify_image(Image *ima, ImageUser *iuser, int tftile, int compare, int
 
 	if (!(gpu_get_mipmap() && mipmap)) {
 		glTexImage2D(GL_TEXTURE_2D, 0,  GL_RGBA,  rectw, recth, 0, GL_RGBA, GL_UNSIGNED_BYTE, rect);
-		GPU_texture_vram_add(rectw*recth*4);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1));
 	}
 	else {
 		gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, rectw, recth, GL_RGBA, GL_UNSIGNED_BYTE, rect);
-		GPU_texture_vram_add((rectw*recth*4) + (rectw*recth*4)/3);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gpu_get_mipmap_filter(0));
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gpu_get_mipmap_filter(1));
 
@@ -819,8 +817,6 @@ void GPU_free_unused_buffers(void)
 
 void GPU_free_image(Image *ima)
 {
-	ImBuf *ibuf;
-
 	if(!BLI_thread_is_main()) {
 		gpu_queue_image_for_free(ima);
 		return;
@@ -831,13 +827,6 @@ void GPU_free_image(Image *ima)
 		glDeleteTextures(1, (GLuint *)&ima->bindcode);
 		ima->bindcode= 0;
 		ima->tpageflag &= ~IMA_MIPMAP_COMPLETE;
-
-		// Calculate how much vram was freed
-		ibuf = BKE_image_get_ibuf(ima, NULL);
-		if (!gpu_get_mipmap())
-			GPU_texture_vram_subtract(ibuf->x*ibuf->y*4);
-		else
-			GPU_texture_vram_subtract((ibuf->x*ibuf->y*4)+(ibuf->x*ibuf->y*4)/3);
 	}
 
 	/* free glsl image binding */
diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c
index 7f44d21f2b1..b3415efc447 100644
--- a/source/blender/gpu/intern/gpu_extensions.c
+++ b/source/blender/gpu/intern/gpu_extensions.c
@@ -66,12 +66,11 @@ static struct GPUGlobal {
 	GLuint currentfb;
 	int glslsupport;
 	int extdisabled;
-	unsigned int texturevram; // An approximation of how much vram is being used for textures
 	int colordepth;
 	GPUDeviceType device;
 	GPUOSType os;
 	GPUDriverType driver;
-} GG = {1, 0, 0, 0, 0};
+} GG = {1, 0, 0, 0};
 
 /* GPU Types */
 
@@ -186,21 +185,6 @@ int GPU_color_depth()
     return GG.colordepth;
 }
 
-unsigned int GPU_texture_vram_usage()
-{
-	return GG.texturevram;
-}
-
-void GPU_texture_vram_add(unsigned int amount)
-{
-	GG.texturevram += amount;
-}
-
-void GPU_texture_vram_subtract(unsigned int amount)
-{
-	GG.texturevram -= amount;
-}
-
 int GPU_print_error(char *str)
 {
 	GLenum errCode;
@@ -359,8 +343,6 @@ static GPUTexture *GPU_texture_create_nD(int w, int h, int n, float *fpixels, in
 	if (tex->target == GL_TEXTURE_1D) {
 		glTexImage1D(tex->target, 0, internalformat, tex->w, 0, format, type, 0);
 
-		GPU_texture_vram_add(tex->w*4);
-
 		if (fpixels) {
 			glTexSubImage1D(tex->target, 0, 0, w, format, type,
 				pixels? pixels: fpixels);
@@ -374,8 +356,6 @@ static GPUTexture *GPU_texture_create_nD(int w, int h, int n, float *fpixels, in
 		glTexImage2D(tex->target, 0, internalformat, tex->w, tex->h, 0,
 			format, type, 0);
 
-		GPU_texture_vram_add(tex->w*tex->h*4);
-
 		if (fpixels) {
 			glTexSubImage2D(tex->target, 0, 0, 0, w, h,
 				format, type, pixels? pixels: fpixels);
@@ -640,15 +620,8 @@ void GPU_texture_free(GPUTexture *tex)
 		if (tex->fb)
 			GPU_framebuffer_texture_detach(tex->fb, tex);
 		if (tex->bindcode && !tex->fromblender)
-		{
 			glDeleteTextures(1, &tex->bindcode);
 
-			if (tex->target == GL_TEXTURE_2D)
-				GPU_texture_vram_subtract(tex->w*tex->h*4);
-			else
-				GPU_texture_vram_subtract(tex->w*4);
-		}
-
 		MEM_freeN(tex);
 	}
 }