diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_tex.c')
l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_tex.c | 193 |
1 files changed, 1 insertions, 192 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_tex.c b/src/mesa/drivers/dri/i915/intel_tex.c index b08dee4..d77ce74 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_tex.c +++ b/src/mesa/drivers/dri/i915/intel_tex.c @@ -1,192 +1 @@ -#include "texobj.h" -#include "intel_context.h" -#include "intel_mipmap_tree.h" -#include "intel_tex.h" - -#define FILE_DEBUG_FLAG DEBUG_TEXTURE - -static GLboolean -intelIsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj) -{ -#if 0 - struct intel_context *intel = intel_context(ctx); - struct intel_texture_object *intelObj = intel_texture_object(texObj); - - return - intelObj->mt && - intelObj->mt->region && - intel_is_region_resident(intel, intelObj->mt->region); -#endif - return 1; -} - - - -static struct gl_texture_image * -intelNewTextureImage(GLcontext * ctx) -{ - DBG("%s\n", __FUNCTION__); - (void) ctx; - return (struct gl_texture_image *) CALLOC_STRUCT(intel_texture_image); -} - - -static struct gl_texture_object * -intelNewTextureObject(GLcontext * ctx, GLuint name, GLenum target) -{ - struct intel_texture_object *obj = CALLOC_STRUCT(intel_texture_object); - - DBG("%s\n", __FUNCTION__); - _mesa_initialize_texture_object(&obj->base, name, target); - - return &obj->base; -} - -static void -intelDeleteTextureObject(GLcontext *ctx, - struct gl_texture_object *texObj) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_texture_object *intelObj = intel_texture_object(texObj); - - if (intelObj->mt) - intel_miptree_release(intel, &intelObj->mt); - - _mesa_delete_texture_object(ctx, texObj); -} - - -static void -intelFreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_texture_image *intelImage = intel_texture_image(texImage); - - DBG("%s\n", __FUNCTION__); - - if (intelImage->mt) { - intel_miptree_release(intel, &intelImage->mt); - } - - if (texImage->Data) { - free(texImage->Data); - texImage->Data = NULL; - } -} - - -/* The system memcpy (at least on ubuntu 5.10) has problems copying - * to agp (writecombined) memory from a source which isn't 64-byte - * aligned - there is a 4x performance falloff. - * - * The x86 __memcpy is immune to this but is slightly slower - * (10%-ish) than the system memcpy. - * - * The sse_memcpy seems to have a slight cliff at 64/32 bytes, but - * isn't much faster than x86_memcpy for agp copies. - * - * TODO: switch dynamically. - */ -static void * -do_memcpy(void *dest, const void *src, size_t n) -{ - if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) { - return __memcpy(dest, src, n); - } - else - return memcpy(dest, src, n); -} - - -#if DO_DEBUG - -#ifndef __x86_64__ -static unsigned -fastrdtsc(void) -{ - unsigned eax; - __asm__ volatile ("\t" - "pushl %%ebx\n\t" - "cpuid\n\t" ".byte 0x0f, 0x31\n\t" - "popl %%ebx\n":"=a" (eax) - :"0"(0) - :"ecx", "edx", "cc"); - - return eax; -} -#else -static unsigned -fastrdtsc(void) -{ - unsigned eax; - __asm__ volatile ("\t" "cpuid\n\t" ".byte 0x0f, 0x31\n\t":"=a" (eax) - :"0"(0) - :"ecx", "edx", "ebx", "cc"); - - return eax; -} -#endif - -static unsigned -time_diff(unsigned t, unsigned t2) -{ - return ((t < t2) ? t2 - t : 0xFFFFFFFFU - (t - t2 - 1)); -} - - -static void * -timed_memcpy(void *dest, const void *src, size_t n) -{ - void *ret; - unsigned t1, t2; - double rate; - - if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) - _mesa_printf("Warning - non-aligned texture copy!\n"); - - t1 = fastrdtsc(); - ret = do_memcpy(dest, src, n); - t2 = fastrdtsc(); - - rate = time_diff(t1, t2); - rate /= (double) n; - _mesa_printf("timed_memcpy: %u %u --> %f clocks/byte\n", t1, t2, rate); - return ret; -} -#endif /* DO_DEBUG */ - - -void -intelInitTextureFuncs(struct dd_function_table *functions) -{ - functions->ChooseTextureFormat = intelChooseTextureFormat; - functions->TexImage1D = intelTexImage1D; - functions->TexImage2D = intelTexImage2D; - functions->TexImage3D = intelTexImage3D; - functions->TexSubImage1D = intelTexSubImage1D; - functions->TexSubImage2D = intelTexSubImage2D; - functions->TexSubImage3D = intelTexSubImage3D; - functions->CopyTexImage1D = intelCopyTexImage1D; - functions->CopyTexImage2D = intelCopyTexImage2D; - functions->CopyTexSubImage1D = intelCopyTexSubImage1D; - functions->CopyTexSubImage2D = intelCopyTexSubImage2D; - functions->GetTexImage = intelGetTexImage; - - /* compressed texture functions */ - functions->CompressedTexImage2D = intelCompressedTexImage2D; - functions->GetCompressedTexImage = intelGetCompressedTexImage; - - functions->NewTextureObject = intelNewTextureObject; - functions->NewTextureImage = intelNewTextureImage; - functions->DeleteTexture = intelDeleteTextureObject; - functions->FreeTexImageData = intelFreeTextureImageData; - functions->UpdateTexturePalette = 0; - functions->IsTextureResident = intelIsTextureResident; - -#if DO_DEBUG - if (INTEL_DEBUG & DEBUG_BUFMGR) - functions->TextureMemCpy = timed_memcpy; - else -#endif - functions->TextureMemCpy = do_memcpy; -} +../intel/intel_tex.c
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