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