diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_mipmap_tree.c')
-rw-r--r-- | src/mesa/drivers/dri/intel/intel_mipmap_tree.c | 84 |
1 files changed, 11 insertions, 73 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c index e02b188e35..e671355c38 100644 --- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c +++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c @@ -83,7 +83,6 @@ intel_miptree_create_internal(struct intel_context *intel, mt->cpp = compress_byte ? compress_byte : cpp; mt->compressed = compress_byte ? 1 : 0; mt->refcount = 1; - mt->pitch = 0; #ifdef I915 if (intel->is_945) @@ -136,7 +135,7 @@ intel_miptree_create(struct intel_context *intel, /* * pitch == 0 || height == 0 indicates the null texture */ - if (!mt || !mt->pitch || !mt->total_height) { + if (!mt || !mt->total_height) { free(mt); return NULL; } @@ -144,10 +143,9 @@ intel_miptree_create(struct intel_context *intel, mt->region = intel_region_alloc(intel, tiling, mt->cpp, - mt->pitch, + mt->total_width, mt->total_height, expect_accelerated_upload); - mt->pitch = mt->region->pitch; if (!mt->region) { free(mt); @@ -178,71 +176,11 @@ intel_miptree_create_for_region(struct intel_context *intel, if (!mt) return mt; - /* 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; - intel_region_reference(&mt->region, region); return mt; } - -/** - * intel_miptree_pitch_align: - * - * @intel: intel context pointer - * - * @mt: the miptree to compute pitch alignment for - * - * @pitch: the natural pitch value - * - * Given @pitch, compute a larger value which accounts for - * any necessary alignment required by the device - */ -int intel_miptree_pitch_align (struct intel_context *intel, - struct intel_mipmap_tree *mt, - uint32_t tiling, - int pitch) -{ -#ifdef I915 - GLcontext *ctx = &intel->ctx; -#endif - - if (!mt->compressed) { - int pitch_align; - - /* XXX: Align pitch to multiple of 64 bytes for now to allow - * render-to-texture to work in all cases. This should probably be - * replaced at some point by some scheme to only do this when really - * necessary. - */ - pitch_align = 64; - - if (tiling == I915_TILING_X) - pitch_align = 512; - else if (tiling == I915_TILING_Y) - pitch_align = 128; - - pitch = ALIGN(pitch * mt->cpp, pitch_align); - -#ifdef I915 - /* Do a little adjustment to linear allocations so that we avoid - * hitting the same channel of memory for 2 different pages when - * reading a 2x2 subspan or doing bilinear filtering. - */ - if (tiling == I915_TILING_NONE && !(pitch & 511) && - (pitch + pitch_align) < (1 << ctx->Const.MaxTextureLevels)) - pitch += pitch_align; -#endif - - pitch /= mt->cpp; - } - return pitch; -} - - void intel_miptree_reference(struct intel_mipmap_tree **dst, struct intel_mipmap_tree *src) @@ -414,7 +352,7 @@ intel_miptree_image_map(struct intel_context * intel, DBG("%s \n", __FUNCTION__); if (row_stride) - *row_stride = mt->pitch * mt->cpp; + *row_stride = mt->region->pitch * mt->cpp; if (mt->target == GL_TEXTURE_3D) { int i; @@ -423,7 +361,7 @@ intel_miptree_image_map(struct intel_context * intel, intel_miptree_get_image_offset(mt, level, face, i, &x, &y); - image_offsets[i] = x + y * mt->pitch; + image_offsets[i] = x + y * mt->region->pitch; } return intel_region_map(intel, mt->region); @@ -434,7 +372,7 @@ intel_miptree_image_map(struct intel_context * intel, image_offsets[0] = 0; return intel_region_map(intel, mt->region) + - (x + y * mt->pitch) * mt->cpp; + (x + y * mt->region->pitch) * mt->cpp; } } @@ -524,13 +462,13 @@ intel_miptree_image_copy(struct intel_context *intel, src_ptr = intel_region_map(intel, src->region); dst_ptr = intel_region_map(intel, dst->region); - _mesa_copy_rect(dst_ptr + dst->cpp * (dst_x + dst_y * dst->pitch), + _mesa_copy_rect(dst_ptr, dst->cpp, - dst->pitch, - 0, 0, width, height, - src_ptr + src->cpp * (src_x + src_y * src->pitch), - src->pitch, - 0, 0); + dst->region->pitch, + dst_x, dst_y, width, height, + src_ptr, + src->region->pitch, + src_x, src_y); intel_region_unmap(intel, src->region); intel_region_unmap(intel, dst->region); } |