}
}
-struct intel_mipmap_tree *
-intel_miptree_create(struct intel_context *intel,
- GLenum target,
- GLenum internal_format,
- GLuint first_level,
- GLuint last_level,
- GLuint width0,
- GLuint height0,
- GLuint depth0,
- GLuint cpp,
- GLuint compress_byte)
+static struct intel_mipmap_tree *
+intel_miptree_create_internal(struct intel_context *intel,
+ GLenum target,
+ GLenum internal_format,
+ GLuint first_level,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0, GLuint cpp, GLuint compress_byte)
{
GLboolean ok;
struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1);
ok = brw_miptree_layout(intel, mt);
#endif
- if (ok) {
- assert (mt->pitch);
-
- mt->region = intel_region_alloc(intel,
- mt->cpp, mt->pitch, mt->total_height);
+ if (!ok) {
+ free(mt);
+ return NULL;
}
+ return mt;
+}
+
+struct intel_mipmap_tree *
+intel_miptree_create(struct intel_context *intel,
+ GLenum target,
+ GLenum internal_format,
+ GLuint first_level,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0, GLuint cpp, GLuint compress_byte)
+{
+ struct intel_mipmap_tree *mt;
+
+ mt = intel_miptree_create_internal(intel, target, internal_format,
+ first_level, last_level, width0,
+ height0, depth0, cpp, compress_byte);
+ /*
+ * pitch == 0 indicates the null texture
+ */
+ if (!mt || !mt->pitch)
+ return NULL;
+
+ mt->region = intel_region_alloc(intel,
+ mt->cpp,
+ mt->pitch,
+ mt->total_height,
+ mt->pitch);
+
if (!mt->region) {
+ free(mt);
+ return NULL;
+ }
+
+ return mt;
+}
+
+struct intel_mipmap_tree *
+intel_miptree_create_for_region(struct intel_context *intel,
+ GLenum target,
+ GLenum internal_format,
+ GLuint first_level,
+ GLuint last_level,
+ struct intel_region *region,
+ GLuint depth0,
+ GLuint compress_byte)
+{
+ struct intel_mipmap_tree *mt;
+
+ mt = intel_miptree_create_internal(intel, target, internal_format,
+ first_level, last_level,
+ region->width, region->height, 1,
+ region->cpp, compress_byte);
+ if (!mt)
+ return mt;
+#if 0
+ if (mt->pitch != region->pitch) {
+ fprintf(stderr,
+ "region pitch (%d) doesn't match mipmap tree pitch (%d)\n",
+ region->pitch, mt->pitch);
free(mt);
return NULL;
}
+#else
+ /* The mipmap tree pitch is aligned to 64 bytes to make sure render
+ * to texture works, but we don't need that for texturing from a
+ * pixmap. Just override it here. */
+ mt->pitch = region->pitch;
+#endif
+
+ mt->region = region;
return mt;
-}
+ }
/**
* intel_miptree_pitch_align:
struct intel_mipmap_tree *mt,
int pitch)
{
+#ifdef I915
+ GLcontext *ctx = &intel->ctx;
+#endif
+
if (!mt->compressed) {
int pitch_align;
* of 1024 and sometimes 512 bytes - performance can drop by several
* times. Go to the next multiple of the required alignment for now.
*/
- if (!(pitch & 511))
+ if (!(pitch & 511) &&
+ (pitch + pitch_align) < (1 << ctx->Const.MaxTextureLevels))
pitch += pitch_align;
#endif
{
/* Images with borders are never pulled into mipmap trees.
*/
- if (image->Border)
+ if (image->Border ||
+ ((image->_BaseFormat == GL_DEPTH_COMPONENT) &&
+ ((image->TexObject->WrapS == GL_CLAMP_TO_BORDER) ||
+ (image->TexObject->WrapT == GL_CLAMP_TO_BORDER))))
return GL_FALSE;
if (image->InternalFormat != mt->internal_format ||
image->IsCompressed != mt->compressed)
return GL_FALSE;
+ if (!image->IsCompressed &&
+ !mt->compressed &&
+ image->TexFormat->TexelBytes != mt->cpp)
+ return GL_FALSE;
+
/* Test image dimensions against the base level image adjusted for
* minification. This will also catch images not present in the
* tree, changed targets, etc.
assert(img < mt->level[level].nr_images);
- mt->level[level].image_offset[img] = (x + y * mt->pitch);
+ mt->level[level].image_offset[img] = (x + y * mt->pitch) * mt->cpp;
DBG("%s level %d img %d pos %d,%d image_offset %x\n",
__FUNCTION__, level, img, x, y, mt->level[level].image_offset[img]);
{
if (mt->target == GL_TEXTURE_CUBE_MAP_ARB)
return (mt->level[level].level_offset +
- mt->level[level].image_offset[face] * mt->cpp);
+ mt->level[level].image_offset[face]);
else
return mt->level[level].level_offset;
}
* Map a teximage in a mipmap tree.
* \param row_stride returns row stride in bytes
* \param image_stride returns image stride in bytes (for 3D textures).
+ * \param image_offsets pointer to array of pixel offsets from the returned
+ * pointer to each depth image
* \return address of mapping
*/
GLubyte *
if (row_stride)
*row_stride = mt->pitch * mt->cpp;
- if (image_offsets)
- memcpy(image_offsets, mt->level[level].image_offset,
- mt->level[level].depth * sizeof(GLuint));
+ if (mt->target == GL_TEXTURE_3D) {
+ int i;
+
+ for (i = 0; i < mt->level[level].depth; i++)
+ image_offsets[i] = mt->level[level].image_offset[i] / mt->cpp;
+ } else {
+ assert(mt->level[level].depth == 1);
+ assert(mt->target == GL_TEXTURE_CUBE_MAP ||
+ mt->level[level].image_offset[0] == 0);
+ image_offsets[0] = 0;
+ }
return (intel_region_map(intel, mt->region) +
intel_miptree_image_offset(mt, face, level));
for (i = 0; i < depth; i++) {
height = dst->level[level].height;
if(dst->compressed)
- height /= 4;
+ height = (height + 3) / 4;
intel_region_data(intel,
dst->region,
- dst_offset + dst_depth_offset[i] * dst->cpp, /* dst_offset */
+ dst_offset + dst_depth_offset[i], /* dst_offset */
0, 0, /* dstx, dsty */
src,
src_row_pitch,
for (i = 0; i < depth; i++) {
intel_region_copy(intel,
- dst->region, dst_offset + dst_depth_offset[i] * dst->cpp,
+ dst->region, dst_offset + dst_depth_offset[i],
0,
0,
- src->region, src_offset + src_depth_offset[i] * src->cpp,
+ src->region, src_offset + src_depth_offset[i],
0, 0, width, height);
}
projects / mesa.git / blobdiff