#include "main/texobj.h"
#include "main/teximage.h"
#include "main/mipmap.h"
+#include "drivers/common/meta.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)
+intelNewTextureImage(struct gl_context * ctx)
{
DBG("%s\n", __FUNCTION__);
(void) ctx;
static struct gl_texture_object *
-intelNewTextureObject(GLcontext * ctx, GLuint name, GLenum target)
+intelNewTextureObject(struct gl_context * ctx, GLuint name, GLenum target)
{
struct intel_texture_object *obj = CALLOC_STRUCT(intel_texture_object);
}
static void
-intelDeleteTextureObject(GLcontext *ctx,
+intelDeleteTextureObject(struct gl_context *ctx,
struct gl_texture_object *texObj)
{
struct intel_context *intel = intel_context(ctx);
static void
-intelFreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage)
+intelFreeTextureImageData(struct gl_context * ctx, struct gl_texture_image *texImage)
{
struct intel_context *intel = intel_context(ctx);
struct intel_texture_image *intelImage = intel_texture_image(texImage);
}
}
-
-/* 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.
+/**
+ * Called via ctx->Driver.GenerateMipmap()
+ * This is basically a wrapper for _mesa_meta_GenerateMipmap() which checks
+ * if we'll be using software mipmap generation. In that case, we need to
+ * map/unmap the base level texture image.
*/
-static void *
-do_memcpy(void *dest, const void *src, size_t n)
+static void
+intelGenerateMipmap(struct gl_context *ctx, GLenum target,
+ struct gl_texture_object *texObj)
{
- if ((((unsigned long) src) & 63) || (((unsigned long) dest) & 63)) {
- return __memcpy(dest, src, n);
+ if (_mesa_meta_check_generate_mipmap_fallback(ctx, target, texObj)) {
+ /* sw path: need to map texture images */
+ struct intel_context *intel = intel_context(ctx);
+ struct intel_texture_object *intelObj = intel_texture_object(texObj);
+
+ fallback_debug("%s - fallback to swrast\n", __FUNCTION__);
+
+ intel_tex_map_level_images(intel, intelObj, texObj->BaseLevel);
+ _mesa_generate_mipmap(ctx, target, texObj);
+ intel_tex_unmap_level_images(intel, intelObj, texObj->BaseLevel);
+
+ {
+ GLuint nr_faces = (texObj->Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
+ GLuint face, i;
+ /* Update the level information in our private data in the new images,
+ * since it didn't get set as part of a normal TexImage path.
+ */
+ for (face = 0; face < nr_faces; face++) {
+ for (i = texObj->BaseLevel + 1; i < texObj->MaxLevel; i++) {
+ struct intel_texture_image *intelImage =
+ intel_texture_image(texObj->Image[face][i]);
+ if (!intelImage)
+ break;
+ intelImage->level = i;
+ intelImage->face = face;
+ /* Unreference the miptree to signal that the new Data is a
+ * bare pointer from mesa.
+ */
+ intel_miptree_release(intel, &intelImage->mt);
+ }
+ }
+ }
+ }
+ else {
+ _mesa_meta_GenerateMipmap(ctx, target, texObj);
}
- else
- return memcpy(dest, src, n);
-}
-
-
-#if DO_DEBUG && !defined(__ia64__)
-
-#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->GenerateMipmap = intel_generate_mipmap;
+ functions->GenerateMipmap = intelGenerateMipmap;
functions->NewTextureObject = intelNewTextureObject;
functions->NewTextureImage = intelNewTextureImage;
functions->DeleteTexture = intelDeleteTextureObject;
functions->FreeTexImageData = intelFreeTextureImageData;
- functions->UpdateTexturePalette = 0;
- functions->IsTextureResident = intelIsTextureResident;
-
-#if DO_DEBUG && !defined(__ia64__)
- if (INTEL_DEBUG & DEBUG_BUFMGR)
- functions->TextureMemCpy = timed_memcpy;
- else
-#endif
- functions->TextureMemCpy = do_memcpy;
}