summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_mipmap_tree.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_mipmap_tree.c101
1 files changed, 51 insertions, 50 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index 4f5101a312..01e9d4add3 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -28,6 +28,7 @@
#include "intel_context.h"
#include "intel_mipmap_tree.h"
#include "intel_regions.h"
+#include "intel_tex_layout.h"
#include "intel_chipset.h"
#ifndef I915
#include "brw_state.h"
@@ -36,6 +37,7 @@
#define FILE_DEBUG_FLAG DEBUG_MIPTREE
+
static GLenum
target_to_target(GLenum target)
{
@@ -52,6 +54,7 @@ target_to_target(GLenum target)
}
}
+
static struct intel_mipmap_tree *
intel_miptree_create_internal(struct intel_context *intel,
GLenum target,
@@ -101,6 +104,7 @@ intel_miptree_create_internal(struct intel_context *intel,
return mt;
}
+
struct intel_mipmap_tree *
intel_miptree_create(struct intel_context *intel,
GLenum target,
@@ -153,6 +157,7 @@ intel_miptree_create(struct intel_context *intel,
return mt;
}
+
struct intel_mipmap_tree *
intel_miptree_create_for_region(struct intel_context *intel,
GLenum target,
@@ -190,7 +195,8 @@ intel_miptree_create_for_region(struct intel_context *intel,
intel_region_reference(&mt->region, region);
return mt;
- }
+}
+
/**
* intel_miptree_pitch_align:
@@ -204,7 +210,6 @@ intel_miptree_create_for_region(struct intel_context *intel,
* 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,
@@ -250,6 +255,7 @@ int intel_miptree_pitch_align (struct intel_context *intel,
return pitch;
}
+
void
intel_miptree_reference(struct intel_mipmap_tree **dst,
struct intel_mipmap_tree *src)
@@ -259,6 +265,7 @@ intel_miptree_reference(struct intel_mipmap_tree **dst,
DBG("%s %p refcount now %d\n", __FUNCTION__, src, src->refcount);
}
+
void
intel_miptree_release(struct intel_context *intel,
struct intel_mipmap_tree **mt)
@@ -297,9 +304,8 @@ intel_miptree_release(struct intel_context *intel,
}
-
-
-/* Can the image be pulled into a unified mipmap tree. This mirrors
+/**
+ * Can the image be pulled into a unified mipmap tree? This mirrors
* the completeness test in a lot of ways.
*
* Not sure whether I want to pass gl_texture_image here.
@@ -386,6 +392,7 @@ intel_miptree_set_image_offset_ex(struct intel_mipmap_tree *mt,
__FUNCTION__, level, img, x, y, mt->level[level].image_offset[img]);
}
+
void
intel_miptree_set_image_offset(struct intel_mipmap_tree *mt,
GLuint level, GLuint img,
@@ -395,35 +402,27 @@ intel_miptree_set_image_offset(struct intel_mipmap_tree *mt,
}
-/* Although we use the image_offset[] array to store relative offsets
- * to cube faces, Mesa doesn't know anything about this and expects
- * each cube face to be treated as a separate image.
- *
- * These functions present that view to mesa:
+/**
+ * Return offset to the start of a 2D slice of a texture (a mipmap level,
+ * cube face, 3D Z slice).
+ * \param mt the texture object/miptree
+ * \param face cube map face in [0,5] or zero for non-cube textures
+ * \param level mipmap level
+ * \param zslice Z slice of a 3D texture, or zero for non-3D textures
*/
-const GLuint *
-intel_miptree_depth_offsets(struct intel_mipmap_tree *mt, GLuint level)
-{
- static const GLuint zero = 0;
-
- if (mt->target != GL_TEXTURE_3D || mt->level[level].nr_images == 1)
- return &zero;
- else
- return mt->level[level].image_offset;
-}
-
-
GLuint
-intel_miptree_image_offset(struct intel_mipmap_tree *mt,
- GLuint face, GLuint level)
+intel_miptree_image_offset(const struct intel_mipmap_tree *mt,
+ GLuint face, GLuint level, GLuint zslice)
{
+ GLuint offset = mt->level[level].level_offset;
+
if (mt->target == GL_TEXTURE_CUBE_MAP_ARB)
- return (mt->level[level].level_offset +
- mt->level[level].image_offset[face]);
- else
- return mt->level[level].level_offset;
-}
+ offset += mt->level[level].image_offset[face];
+ else if (mt->target == GL_TEXTURE_3D)
+ offset += mt->level[level].image_offset[zslice];
+ return offset;
+}
/**
@@ -459,9 +458,10 @@ intel_miptree_image_map(struct intel_context * intel,
}
return (intel_region_map(intel, mt->region) +
- intel_miptree_image_offset(mt, face, level));
+ intel_miptree_image_offset(mt, face, level, 0));
}
+
void
intel_miptree_image_unmap(struct intel_context *intel,
struct intel_mipmap_tree *mt)
@@ -471,8 +471,8 @@ intel_miptree_image_unmap(struct intel_context *intel,
}
-
-/* Upload data for a particular image.
+/**
+ * Upload data for a particular image.
*/
void
intel_miptree_image_data(struct intel_context *intel,
@@ -483,20 +483,20 @@ intel_miptree_image_data(struct intel_context *intel,
GLuint src_row_pitch,
GLuint src_image_pitch)
{
- GLuint depth = dst->level[level].depth;
- GLuint dst_offset = intel_miptree_image_offset(dst, face, level);
- const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level);
+ const GLuint depth = dst->level[level].depth;
GLuint i;
- GLuint height = 0;
DBG("%s: %d/%d\n", __FUNCTION__, face, level);
for (i = 0; i < depth; i++) {
- height = dst->level[level].height;
- if(dst->compressed)
+ GLuint dst_offset = intel_miptree_image_offset(dst, face, level, i);
+ GLuint height = dst->level[level].height;
+
+ if (dst->compressed)
height = (height + 3) / 4;
+
intel_region_data(intel,
dst->region,
- dst_offset + dst_depth_offset[i], /* dst_offset */
+ dst_offset,
0, 0, /* dstx, dsty */
src,
src_row_pitch,
@@ -507,8 +507,9 @@ intel_miptree_image_data(struct intel_context *intel,
}
}
-extern void intel_get_texture_alignment_unit(GLenum, GLuint *, GLuint *);
-/* Copy mipmap image between trees
+
+/**
+ * Copy mipmap image between trees
*/
void
intel_miptree_image_copy(struct intel_context *intel,
@@ -519,26 +520,26 @@ intel_miptree_image_copy(struct intel_context *intel,
GLuint width = src->level[level].width;
GLuint height = src->level[level].height;
GLuint depth = src->level[level].depth;
- GLuint dst_offset = intel_miptree_image_offset(dst, face, level);
- GLuint src_offset = intel_miptree_image_offset(src, face, level);
- const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level);
- const GLuint *src_depth_offset = intel_miptree_depth_offsets(src, level);
GLuint i;
GLboolean success;
if (dst->compressed) {
GLuint align_w, align_h;
- intel_get_texture_alignment_unit(dst->internal_format, &align_w, &align_h);
+ intel_get_texture_alignment_unit(dst->internal_format,
+ &align_w, &align_h);
height = (height + 3) / 4;
width = ALIGN(width, align_w);
}
for (i = 0; i < depth; i++) {
+ GLuint dst_offset = intel_miptree_image_offset(dst, face, level, i);
+ GLuint src_offset = intel_miptree_image_offset(src, face, level, i);
+
success = intel_region_copy(intel,
- dst->region, dst_offset + dst_depth_offset[i],
+ dst->region, dst_offset,
0, 0,
- src->region, src_offset + src_depth_offset[i],
+ src->region, src_offset,
0, 0, width, height, GL_COPY);
if (!success) {
GLubyte *src_ptr, *dst_ptr;
@@ -546,11 +547,11 @@ 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_offset + dst_depth_offset[i],
+ _mesa_copy_rect(dst_ptr + dst_offset,
dst->cpp,
dst->pitch,
0, 0, width, height,
- src_ptr + src_offset + src_depth_offset[i],
+ src_ptr + src_offset,
src->pitch,
0, 0);
intel_region_unmap(intel, src->region);
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-12 15:49:22 +0000