#include "swrast/swrast.h"
+#include "main/renderbuffer.h"
#include "main/texobj.h"
#include "main/teximage.h"
#include "main/mipmap.h"
#include "intel_context.h"
#include "intel_mipmap_tree.h"
#include "intel_tex.h"
+#include "intel_fbo.h"
#define FILE_DEBUG_FLAG DEBUG_TEXTURE
static struct gl_texture_image *
-intelNewTextureImage(GLcontext * ctx)
+intelNewTextureImage(struct gl_context * ctx)
{
DBG("%s\n", __FUNCTION__);
(void) ctx;
return (struct gl_texture_image *) CALLOC_STRUCT(intel_texture_image);
}
+static void
+intelDeleteTextureImage(struct gl_context * ctx, struct gl_texture_image *img)
+{
+ /* nothing special (yet) for intel_texture_image */
+ _mesa_delete_texture_image(ctx, img);
+}
+
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);
+ (void) ctx;
+
DBG("%s\n", __FUNCTION__);
+
+ if (obj == NULL)
+ return NULL;
+
_mesa_initialize_texture_object(&obj->base, name, target);
+ obj->needs_validate = true;
+
return &obj->base;
}
static void
-intelDeleteTextureObject(GLcontext *ctx,
+intelDeleteTextureObject(struct gl_context *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);
-
+ intel_miptree_release(&intelObj->mt);
_mesa_delete_texture_object(ctx, texObj);
}
-
-static void
-intelFreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage)
+static GLboolean
+intel_alloc_texture_image_buffer(struct gl_context *ctx,
+ struct gl_texture_image *image)
{
struct intel_context *intel = intel_context(ctx);
- struct intel_texture_image *intelImage = intel_texture_image(texImage);
+ struct intel_texture_image *intel_image = intel_texture_image(image);
+ struct gl_texture_object *texobj = image->TexObject;
+ struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
- DBG("%s\n", __FUNCTION__);
+ assert(image->Border == 0);
- if (intelImage->mt) {
- intel_miptree_release(intel, &intelImage->mt);
+ /* Quantize sample count */
+ if (image->NumSamples) {
+ image->NumSamples = intel_quantize_num_samples(intel->intelScreen, image->NumSamples);
+ if (!image->NumSamples)
+ return false;
}
- if (texImage->Data) {
- _mesa_free_texmemory(texImage->Data);
- texImage->Data = NULL;
+ /* Because the driver uses AllocTextureImageBuffer() internally, it may end
+ * up mismatched with FreeTextureImageBuffer(), but that is safe to call
+ * multiple times.
+ */
+ ctx->Driver.FreeTextureImageBuffer(ctx, image);
+
+ if (!_swrast_init_texture_image(image))
+ return false;
+
+ if (intel_texobj->mt &&
+ intel_miptree_match_image(intel_texobj->mt, image)) {
+ intel_miptree_reference(&intel_image->mt, intel_texobj->mt);
+ DBG("%s: alloc obj %p level %d %dx%dx%d using object's miptree %p\n",
+ __FUNCTION__, texobj, image->Level,
+ image->Width, image->Height, image->Depth, intel_texobj->mt);
+ } else {
+ intel_image->mt = intel_miptree_create_for_teximage(intel, intel_texobj,
+ intel_image,
+ false);
+
+ /* Even if the object currently has a mipmap tree associated
+ * with it, this one is a more likely candidate to represent the
+ * whole object since our level didn't fit what was there
+ * before, and any lower levels would fit into our miptree.
+ */
+ intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
+
+ DBG("%s: alloc obj %p level %d %dx%dx%d using new miptree %p\n",
+ __FUNCTION__, texobj, image->Level,
+ image->Width, image->Height, image->Depth, intel_image->mt);
}
-}
+ intel_texobj->needs_validate = true;
-/* 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 long) src) & 63) || (((unsigned long) dest) & 63)) {
- return __memcpy(dest, src, n);
- }
- else
- return memcpy(dest, src, n);
+ return true;
}
+static void
+intel_free_texture_image_buffer(struct gl_context * ctx,
+ struct gl_texture_image *texImage)
+{
+ struct intel_texture_image *intelImage = intel_texture_image(texImage);
-#if DO_DEBUG && !defined(__ia64__)
+ DBG("%s\n", __FUNCTION__);
-#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");
+ intel_miptree_release(&intelImage->mt);
- return eax;
+ _swrast_free_texture_image_buffer(ctx, texImage);
}
-#endif
-static unsigned
-time_diff(unsigned t, unsigned t2)
+/**
+ * Map texture memory/buffer into user space.
+ * Note: the region of interest parameters are ignored here.
+ * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT
+ * \param mapOut returns start of mapping of region of interest
+ * \param rowStrideOut returns row stride in bytes
+ */
+static void
+intel_map_texture_image(struct gl_context *ctx,
+ struct gl_texture_image *tex_image,
+ GLuint slice,
+ GLuint x, GLuint y, GLuint w, GLuint h,
+ GLbitfield mode,
+ GLubyte **map,
+ GLint *stride)
{
- return ((t < t2) ? t2 - t : 0xFFFFFFFFU - (t - t2 - 1));
-}
-
+ struct intel_context *intel = intel_context(ctx);
+ struct intel_texture_image *intel_image = intel_texture_image(tex_image);
+ struct intel_mipmap_tree *mt = intel_image->mt;
-static void *
-timed_memcpy(void *dest, const void *src, size_t n)
-{
- void *ret;
- unsigned t1, t2;
- double rate;
+ /* Our texture data is always stored in a miptree. */
+ assert(mt);
- if ((((unsigned) src) & 63) || (((unsigned) dest) & 63))
- printf("Warning - non-aligned texture copy!\n");
+ /* Check that our caller wasn't confused about how to map a 1D texture. */
+ assert(tex_image->TexObject->Target != GL_TEXTURE_1D_ARRAY ||
+ h == 1);
- t1 = fastrdtsc();
- ret = do_memcpy(dest, src, n);
- t2 = fastrdtsc();
+ /* intel_miptree_map operates on a unified "slice" number that references the
+ * cube face, since it's all just slices to the miptree code.
+ */
+ if (tex_image->TexObject->Target == GL_TEXTURE_CUBE_MAP)
+ slice = tex_image->Face;
- rate = time_diff(t1, t2);
- rate /= (double) n;
- printf("timed_memcpy: %u %u --> %f clocks/byte\n", t1, t2, rate);
- return ret;
+ intel_miptree_map(intel, mt, tex_image->Level, slice, x, y, w, h, mode,
+ (void **)map, stride);
}
-#endif /* DO_DEBUG */
-
-/**
- * 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
-intelGenerateMipmap(GLcontext *ctx, GLenum target,
- struct gl_texture_object *texObj)
+intel_unmap_texture_image(struct gl_context *ctx,
+ struct gl_texture_image *tex_image, GLuint slice)
{
- 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);
-
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr, "%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);
- }
-}
+ struct intel_context *intel = intel_context(ctx);
+ struct intel_texture_image *intel_image = intel_texture_image(tex_image);
+ struct intel_mipmap_tree *mt = intel_image->mt;
+ if (tex_image->TexObject->Target == GL_TEXTURE_CUBE_MAP)
+ slice = tex_image->Face;
+
+ intel_miptree_unmap(intel, mt, tex_image->Level, slice);
+}
void
intelInitTextureFuncs(struct dd_function_table *functions)
{
- functions->ChooseTextureFormat = intelChooseTextureFormat;
- functions->GenerateMipmap = intelGenerateMipmap;
-
functions->NewTextureObject = intelNewTextureObject;
functions->NewTextureImage = intelNewTextureImage;
+ functions->DeleteTextureImage = intelDeleteTextureImage;
functions->DeleteTexture = intelDeleteTextureObject;
- functions->FreeTexImageData = intelFreeTextureImageData;
- functions->UpdateTexturePalette = 0;
-
-#if DO_DEBUG && !defined(__ia64__)
- if (INTEL_DEBUG & DEBUG_BUFMGR)
- functions->TextureMemCpy = timed_memcpy;
- else
-#endif
- functions->TextureMemCpy = do_memcpy;
+ functions->AllocTextureImageBuffer = intel_alloc_texture_image_buffer;
+ functions->FreeTextureImageBuffer = intel_free_texture_image_buffer;
+ functions->MapTextureImage = intel_map_texture_image;
+ functions->UnmapTextureImage = intel_unmap_texture_image;
}
projects / mesa.git / blobdiff