summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
diff options
context:
space:
mode:
authorMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
committerMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
commita3eb0f718e19653a2ad8e49396c904183be456f3 (patch)
tree0092574c469ea586a6cab8b8ebb7ac62b8221a2a /src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
parent491f384c3958067e6c4c994041f5d8d413b806bc (diff)
parent784cca9fa527de771754d76545970f78094b9adf (diff)
Merge branch 'master' into glsl-pp-rework-2
Conflicts: progs/perf/drawoverhead.c progs/perf/teximage.c progs/perf/vbo.c progs/perf/vertexrate.c src/mesa/shader/slang/library/slang_common_builtin_gc.h
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c')
-rw-r--r--src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c562
1 files changed, 380 insertions, 182 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
index 38db305e2a..a7f347202a 100644
--- a/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
+++ b/src/mesa/drivers/dri/radeon/radeon_mipmap_tree.c
@@ -1,4 +1,5 @@
/*
+ * Copyright (C) 2009 Maciej Cencora.
* Copyright (C) 2008 Nicolai Haehnle.
*
* All Rights Reserved.
@@ -32,51 +33,52 @@
#include "main/simple_list.h"
#include "main/texcompress.h"
-#include "main/texformat.h"
-
-static GLuint radeon_compressed_texture_size(GLcontext *ctx,
- GLsizei width, GLsizei height, GLsizei depth,
- GLuint mesaFormat)
+#include "main/teximage.h"
+#include "main/texobj.h"
+#include "radeon_texture.h"
+
+static unsigned get_aligned_compressed_row_stride(
+ gl_format format,
+ unsigned width,
+ unsigned minStride)
{
- GLuint size = _mesa_compressed_texture_size(ctx, width, height, depth, mesaFormat);
-
- if (mesaFormat == MESA_FORMAT_RGB_DXT1 ||
- mesaFormat == MESA_FORMAT_RGBA_DXT1) {
- if (width + 3 < 8) /* width one block */
- size = size * 4;
- else if (width + 3 < 16)
- size = size * 2;
- } else {
- /* DXT3/5, 16 bytes per block */
- // WARN_ONCE("DXT 3/5 suffers from multitexturing problems!\n");
- if (width + 3 < 8)
- size = size * 2;
+ const unsigned blockSize = _mesa_get_format_bytes(format);
+ unsigned blockWidth, blockHeight, numXBlocks;
+
+ _mesa_get_format_block_size(format, &blockWidth, &blockHeight);
+ numXBlocks = (width + blockWidth - 1) / blockWidth;
+
+ while (numXBlocks * blockSize < minStride)
+ {
+ ++numXBlocks;
}
- return size;
+ return numXBlocks * blockSize;
}
+static unsigned get_compressed_image_size(
+ gl_format format,
+ unsigned rowStride,
+ unsigned height)
+{
+ unsigned blockWidth, blockHeight;
+
+ _mesa_get_format_block_size(format, &blockWidth, &blockHeight);
-static int radeon_compressed_num_bytes(GLuint mesaFormat)
+ return rowStride * ((height + blockHeight - 1) / blockHeight);
+}
+
+static int find_next_power_of_two(GLuint value)
{
- int bytes = 0;
- switch(mesaFormat) {
-
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
- case MESA_FORMAT_RGB_DXT1:
- case MESA_FORMAT_RGBA_DXT1:
- bytes = 2;
- break;
-
- case MESA_FORMAT_RGBA_DXT3:
- case MESA_FORMAT_RGBA_DXT5:
- bytes = 4;
- default:
- break;
- }
-
- return bytes;
+ int i, tmp;
+
+ i = 0;
+ tmp = value - 1;
+ while (tmp) {
+ tmp >>= 1;
+ i++;
+ }
+ return (1 << i);
}
/**
@@ -91,28 +93,28 @@ static void compute_tex_image_offset(radeonContextPtr rmesa, radeon_mipmap_tree
{
radeon_mipmap_level *lvl = &mt->levels[level];
uint32_t row_align;
+ GLuint height;
+
+ height = find_next_power_of_two(lvl->height);
/* Find image size in bytes */
- if (mt->compressed) {
- /* TODO: Is this correct? Need test cases for compressed textures! */
- row_align = rmesa->texture_compressed_row_align - 1;
- lvl->rowstride = (lvl->width * mt->bpp + row_align) & ~row_align;
- lvl->size = radeon_compressed_texture_size(mt->radeon->glCtx,
- lvl->width, lvl->height, lvl->depth, mt->compressed);
+ if (_mesa_is_format_compressed(mt->mesaFormat)) {
+ lvl->rowstride = get_aligned_compressed_row_stride(mt->mesaFormat, lvl->width, rmesa->texture_compressed_row_align);
+ lvl->size = get_compressed_image_size(mt->mesaFormat, lvl->rowstride, height);
} else if (mt->target == GL_TEXTURE_RECTANGLE_NV) {
row_align = rmesa->texture_rect_row_align - 1;
- lvl->rowstride = (lvl->width * mt->bpp + row_align) & ~row_align;
- lvl->size = lvl->rowstride * lvl->height;
+ lvl->rowstride = (_mesa_format_row_stride(mt->mesaFormat, lvl->width) + row_align) & ~row_align;
+ lvl->size = lvl->rowstride * height;
} else if (mt->tilebits & RADEON_TXO_MICRO_TILE) {
/* tile pattern is 16 bytes x2. mipmaps stay 32 byte aligned,
* though the actual offset may be different (if texture is less than
* 32 bytes width) to the untiled case */
- lvl->rowstride = (lvl->width * mt->bpp * 2 + 31) & ~31;
- lvl->size = lvl->rowstride * ((lvl->height + 1) / 2) * lvl->depth;
+ lvl->rowstride = (_mesa_format_row_stride(mt->mesaFormat, lvl->width) * 2 + 31) & ~31;
+ lvl->size = lvl->rowstride * ((height + 1) / 2) * lvl->depth;
} else {
row_align = rmesa->texture_row_align - 1;
- lvl->rowstride = (lvl->width * mt->bpp + row_align) & ~row_align;
- lvl->size = lvl->rowstride * lvl->height * lvl->depth;
+ lvl->rowstride = (_mesa_format_row_stride(mt->mesaFormat, lvl->width) + row_align) & ~row_align;
+ lvl->size = lvl->rowstride * height * lvl->depth;
}
assert(lvl->size > 0);
@@ -124,7 +126,7 @@ static void compute_tex_image_offset(radeonContextPtr rmesa, radeon_mipmap_tree
if (RADEON_DEBUG & RADEON_TEXTURE)
fprintf(stderr,
"level %d, face %d: rs:%d %dx%d at %d\n",
- level, face, lvl->rowstride, lvl->width, lvl->height, lvl->faces[face].offset);
+ level, face, lvl->rowstride, lvl->width, height, lvl->faces[face].offset);
}
static GLuint minify(GLuint size, GLuint levels)
@@ -138,22 +140,19 @@ static GLuint minify(GLuint size, GLuint levels)
static void calculate_miptree_layout_r100(radeonContextPtr rmesa, radeon_mipmap_tree *mt)
{
- GLuint curOffset;
- GLuint numLevels;
- GLuint i;
- GLuint face;
+ GLuint curOffset, i, face, level;
- numLevels = mt->lastLevel - mt->firstLevel + 1;
- assert(numLevels <= rmesa->glCtx->Const.MaxTextureLevels);
+ assert(mt->numLevels <= rmesa->glCtx->Const.MaxTextureLevels);
curOffset = 0;
for(face = 0; face < mt->faces; face++) {
- for(i = 0; i < numLevels; i++) {
- mt->levels[i].width = minify(mt->width0, i);
- mt->levels[i].height = minify(mt->height0, i);
- mt->levels[i].depth = minify(mt->depth0, i);
- compute_tex_image_offset(rmesa, mt, face, i, &curOffset);
+ for(i = 0, level = mt->baseLevel; i < mt->numLevels; i++, level++) {
+ mt->levels[level].valid = 1;
+ mt->levels[level].width = minify(mt->width0, i);
+ mt->levels[level].height = minify(mt->height0, i);
+ mt->levels[level].depth = minify(mt->depth0, i);
+ compute_tex_image_offset(rmesa, mt, face, level, &curOffset);
}
}
@@ -163,23 +162,21 @@ static void calculate_miptree_layout_r100(radeonContextPtr rmesa, radeon_mipmap_
static void calculate_miptree_layout_r300(radeonContextPtr rmesa, radeon_mipmap_tree *mt)
{
- GLuint curOffset;
- GLuint numLevels;
- GLuint i;
+ GLuint curOffset, i, level;
- numLevels = mt->lastLevel - mt->firstLevel + 1;
- assert(numLevels <= rmesa->glCtx->Const.MaxTextureLevels);
+ assert(mt->numLevels <= rmesa->glCtx->Const.MaxTextureLevels);
curOffset = 0;
- for(i = 0; i < numLevels; i++) {
+ for(i = 0, level = mt->baseLevel; i < mt->numLevels; i++, level++) {
GLuint face;
- mt->levels[i].width = minify(mt->width0, i);
- mt->levels[i].height = minify(mt->height0, i);
- mt->levels[i].depth = minify(mt->depth0, i);
+ mt->levels[level].valid = 1;
+ mt->levels[level].width = minify(mt->width0, i);
+ mt->levels[level].height = minify(mt->height0, i);
+ mt->levels[level].depth = minify(mt->depth0, i);
for(face = 0; face < mt->faces; face++)
- compute_tex_image_offset(rmesa, mt, face, i, &curOffset);
+ compute_tex_image_offset(rmesa, mt, face, level, &curOffset);
}
/* Note the required size in memory */
@@ -189,27 +186,22 @@ static void calculate_miptree_layout_r300(radeonContextPtr rmesa, radeon_mipmap_
/**
* Create a new mipmap tree, calculate its layout and allocate memory.
*/
-radeon_mipmap_tree* radeon_miptree_create(radeonContextPtr rmesa, radeonTexObj *t,
- GLenum target, GLenum internal_format, GLuint firstLevel, GLuint lastLevel,
- GLuint width0, GLuint height0, GLuint depth0,
- GLuint bpp, GLuint tilebits, GLuint compressed)
+static radeon_mipmap_tree* radeon_miptree_create(radeonContextPtr rmesa,
+ GLenum target, gl_format mesaFormat, GLuint baseLevel, GLuint numLevels,
+ GLuint width0, GLuint height0, GLuint depth0, GLuint tilebits)
{
radeon_mipmap_tree *mt = CALLOC_STRUCT(_radeon_mipmap_tree);
- mt->radeon = rmesa;
- mt->internal_format = internal_format;
+ mt->mesaFormat = mesaFormat;
mt->refcount = 1;
- mt->t = t;
mt->target = target;
mt->faces = (target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
- mt->firstLevel = firstLevel;
- mt->lastLevel = lastLevel;
+ mt->baseLevel = baseLevel;
+ mt->numLevels = numLevels;
mt->width0 = width0;
mt->height0 = height0;
mt->depth0 = depth0;
- mt->bpp = compressed ? radeon_compressed_num_bytes(compressed) : bpp;
mt->tilebits = tilebits;
- mt->compressed = compressed;
if (rmesa->radeonScreen->chip_family >= CHIP_FAMILY_R300)
calculate_miptree_layout_r300(rmesa, mt);
@@ -224,53 +216,43 @@ radeon_mipmap_tree* radeon_miptree_create(radeonContextPtr rmesa, radeonTexObj *
return mt;
}
-void radeon_miptree_reference(radeon_mipmap_tree *mt)
+void radeon_miptree_reference(radeon_mipmap_tree *mt, radeon_mipmap_tree **ptr)
{
+ assert(!*ptr);
+
mt->refcount++;
assert(mt->refcount > 0);
+
+ *ptr = mt;
}
-void radeon_miptree_unreference(radeon_mipmap_tree *mt)
+void radeon_miptree_unreference(radeon_mipmap_tree **ptr)
{
+ radeon_mipmap_tree *mt = *ptr;
if (!mt)
return;
assert(mt->refcount > 0);
+
mt->refcount--;
if (!mt->refcount) {
radeon_bo_unref(mt->bo);
free(mt);
}
-}
+ *ptr = 0;
+}
/**
- * Calculate first and last mip levels for the given texture object,
- * where the dimensions are taken from the given texture image at
- * the given level.
- *
- * Note: level is the OpenGL level number, which is not necessarily the same
- * as the first level that is actually present.
- *
- * The base level image of the given texture face must be non-null,
- * or this will fail.
+ * Calculate min and max LOD for the given texture object.
+ * @param[in] tObj texture object whose LOD values to calculate
+ * @param[out] pminLod minimal LOD
+ * @param[out] pmaxLod maximal LOD
*/
-static void calculate_first_last_level(struct gl_texture_object *tObj,
- GLuint *pfirstLevel, GLuint *plastLevel,
- GLuint face, GLuint level)
+static void calculate_min_max_lod(struct gl_texture_object *tObj,
+ unsigned *pminLod, unsigned *pmaxLod)
{
- const struct gl_texture_image * const baseImage =
- tObj->Image[face][level];
-
- assert(baseImage);
-
- /* These must be signed values. MinLod and MaxLod can be negative numbers,
- * and having firstLevel and lastLevel as signed prevents the need for
- * extra sign checks.
- */
- int firstLevel;
- int lastLevel;
-
+ int minLod, maxLod;
/* Yes, this looks overly complicated, but it's all needed.
*/
switch (tObj->Target) {
@@ -281,32 +263,30 @@ static void calculate_first_last_level(struct gl_texture_object *tObj,
if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) {
/* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
*/
- firstLevel = lastLevel = tObj->BaseLevel;
+ minLod = maxLod = tObj->BaseLevel;
} else {
- firstLevel = tObj->BaseLevel + (GLint)(tObj->MinLod + 0.5);
- firstLevel = MAX2(firstLevel, tObj->BaseLevel);
- firstLevel = MIN2(firstLevel, level + baseImage->MaxLog2);
- lastLevel = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5);
- lastLevel = MAX2(lastLevel, tObj->BaseLevel);
- lastLevel = MIN2(lastLevel, level + baseImage->MaxLog2);
- lastLevel = MIN2(lastLevel, tObj->MaxLevel);
- lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */
+ minLod = tObj->BaseLevel + (GLint)(tObj->MinLod);
+ minLod = MAX2(minLod, tObj->BaseLevel);
+ minLod = MIN2(minLod, tObj->MaxLevel);
+ maxLod = tObj->BaseLevel + (GLint)(tObj->MaxLod + 0.5);
+ maxLod = MIN2(maxLod, tObj->MaxLevel);
+ maxLod = MIN2(maxLod, tObj->Image[0][minLod]->MaxLog2 + minLod);
+ maxLod = MAX2(maxLod, minLod); /* need at least one level */
}
break;
case GL_TEXTURE_RECTANGLE_NV:
case GL_TEXTURE_4D_SGIS:
- firstLevel = lastLevel = 0;
+ minLod = maxLod = 0;
break;
default:
return;
}
/* save these values */
- *pfirstLevel = firstLevel;
- *plastLevel = lastLevel;
+ *pminLod = minLod;
+ *pmaxLod = maxLod;
}
-
/**
* Checks whether the given miptree can hold the given texture image at the
* given face and level.
@@ -316,20 +296,15 @@ GLboolean radeon_miptree_matches_image(radeon_mipmap_tree *mt,
{
radeon_mipmap_level *lvl;
- if (face >= mt->faces || level < mt->firstLevel || level > mt->lastLevel)
+ if (face >= mt->faces)
return GL_FALSE;
- if (texImage->InternalFormat != mt->internal_format ||
- texImage->IsCompressed != mt->compressed)
+ if (texImage->TexFormat != mt->mesaFormat)
return GL_FALSE;
- if (!texImage->IsCompressed &&
- !mt->compressed &&
- texImage->TexFormat->TexelBytes != mt->bpp)
- return GL_FALSE;
-
- lvl = &mt->levels[level - mt->firstLevel];
- if (lvl->width != texImage->Width ||
+ lvl = &mt->levels[level];
+ if (!lvl->valid ||
+ lvl->width != texImage->Width ||
lvl->height != texImage->Height ||
lvl->depth != texImage->Depth)
return GL_FALSE;
@@ -337,59 +312,72 @@ GLboolean radeon_miptree_matches_image(radeon_mipmap_tree *mt,
return GL_TRUE;
}
-
/**
* Checks whether the given miptree has the right format to store the given texture object.
*/
-GLboolean radeon_miptree_matches_texture(radeon_mipmap_tree *mt, struct gl_texture_object *texObj)
+static GLboolean radeon_miptree_matches_texture(radeon_mipmap_tree *mt, struct gl_texture_object *texObj)
{
struct gl_texture_image *firstImage;
- GLuint compressed;
- GLuint numfaces = 1;
- GLuint firstLevel, lastLevel;
-
- calculate_first_last_level(texObj, &firstLevel, &lastLevel, 0, texObj->BaseLevel);
- if (texObj->Target == GL_TEXTURE_CUBE_MAP)
- numfaces = 6;
-
- firstImage = texObj->Image[0][firstLevel];
- compressed = firstImage->IsCompressed ? firstImage->TexFormat->MesaFormat : 0;
-
- return (mt->firstLevel == firstLevel &&
- mt->lastLevel == lastLevel &&
- mt->width0 == firstImage->Width &&
- mt->height0 == firstImage->Height &&
- mt->depth0 == firstImage->Depth &&
- mt->compressed == compressed &&
- (!mt->compressed ? (mt->bpp == firstImage->TexFormat->TexelBytes) : 1));
-}
+ unsigned numLevels;
+ radeon_mipmap_level *mtBaseLevel;
+
+ if (texObj->BaseLevel < mt->baseLevel)
+ return GL_FALSE;
+
+ mtBaseLevel = &mt->levels[texObj->BaseLevel - mt->baseLevel];
+ firstImage = texObj->Image[0][texObj->BaseLevel];
+ numLevels = MIN2(texObj->MaxLevel - texObj->BaseLevel + 1, firstImage->MaxLog2 + 1);
+
+ if (RADEON_DEBUG & RADEON_TEXTURE) {
+ fprintf(stderr, "Checking if miptree %p matches texObj %p\n", mt, texObj);
+ fprintf(stderr, "target %d vs %d\n", mt->target, texObj->Target);
+ fprintf(stderr, "format %d vs %d\n", mt->mesaFormat, firstImage->TexFormat);
+ fprintf(stderr, "numLevels %d vs %d\n", mt->numLevels, numLevels);
+ fprintf(stderr, "width0 %d vs %d\n", mtBaseLevel->width, firstImage->Width);
+ fprintf(stderr, "height0 %d vs %d\n", mtBaseLevel->height, firstImage->Height);
+ fprintf(stderr, "depth0 %d vs %d\n", mtBaseLevel->depth, firstImage->Depth);
+ if (mt->target == texObj->Target &&
+ mt->mesaFormat == firstImage->TexFormat &&
+ mt->numLevels >= numLevels &&
+ mtBaseLevel->width == firstImage->Width &&
+ mtBaseLevel->height == firstImage->Height &&
+ mtBaseLevel->depth == firstImage->Depth) {
+ fprintf(stderr, "MATCHED\n");
+ } else {
+ fprintf(stderr, "NOT MATCHED\n");
+ }
+ }
+ return (mt->target == texObj->Target &&
+ mt->mesaFormat == firstImage->TexFormat &&
+ mt->numLevels >= numLevels &&
+ mtBaseLevel->width == firstImage->Width &&
+ mtBaseLevel->height == firstImage->Height &&
+ mtBaseLevel->depth == firstImage->Depth);
+}
/**
- * Try to allocate a mipmap tree for the given texture that will fit the
- * given image in the given position.
+ * Try to allocate a mipmap tree for the given texture object.
+ * @param[in] rmesa radeon context
+ * @param[in] t radeon texture object
*/
-void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t,
- radeon_texture_image *image, GLuint face, GLuint level)
+void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t)
{
- GLuint compressed = image->base.IsCompressed ? image->base.TexFormat->MesaFormat : 0;
- GLuint numfaces = 1;
- GLuint firstLevel, lastLevel;
+ struct gl_texture_object *texObj = &t->base;
+ struct gl_texture_image *texImg = texObj->Image[0][texObj->BaseLevel];
+ GLuint numLevels;
assert(!t->mt);
- calculate_first_last_level(&t->base, &firstLevel, &lastLevel, face, level);
- if (t->base.Target == GL_TEXTURE_CUBE_MAP)
- numfaces = 6;
-
- if (level != firstLevel || face >= numfaces)
+ if (!texImg)
return;
- t->mt = radeon_miptree_create(rmesa, t, t->base.Target,
- image->base.InternalFormat,
- firstLevel, lastLevel,
- image->base.Width, image->base.Height, image->base.Depth,
- image->base.TexFormat->TexelBytes, t->tile_bits, compressed);
+ numLevels = MIN2(texObj->MaxLevel - texObj->BaseLevel + 1, texImg->MaxLog2 + 1);
+
+ t->mt = radeon_miptree_create(rmesa, t->base.Target,
+ texImg->TexFormat, texObj->BaseLevel,
+ numLevels, texImg->Width, texImg->Height,
+ texImg->Depth, t->tile_bits);
}
/* Although we use the image_offset[] array to store relative offsets
@@ -401,21 +389,231 @@ void radeon_try_alloc_miptree(radeonContextPtr rmesa, radeonTexObj *t,
void
radeon_miptree_depth_offsets(radeon_mipmap_tree *mt, GLuint level, GLuint *offsets)
{
- if (mt->target != GL_TEXTURE_3D || mt->faces == 1)
- offsets[0] = 0;
- else {
- int i;
- for (i = 0; i < 6; i++)
- offsets[i] = mt->levels[level].faces[i].offset;
- }
+ if (mt->target != GL_TEXTURE_3D || mt->faces == 1) {
+ offsets[0] = 0;
+ } else {
+ int i;
+ for (i = 0; i < 6; i++) {
+ offsets[i] = mt->levels[level].faces[i].offset;
+ }
+ }
}
GLuint
radeon_miptree_image_offset(radeon_mipmap_tree *mt,
GLuint face, GLuint level)
{
- if (mt->target == GL_TEXTURE_CUBE_MAP_ARB)
- return (mt->levels[level].faces[face].offset);
- else
- return mt->levels[level].faces[0].offset;
+ if (mt->target == GL_TEXTURE_CUBE_MAP_ARB)
+ return (mt->levels[level].faces[face].offset);
+ else
+ return mt->levels[level].faces[0].offset;
+}
+
+/**
+ * Ensure that the given image is stored in the given miptree from now on.
+ */
+static void migrate_image_to_miptree(radeon_mipmap_tree *mt,
+ radeon_texture_image *image,
+ int face, int level)
+{
+ radeon_mipmap_level *dstlvl = &mt->levels[level];
+ unsigned char *dest;
+
+ assert(image->mt != mt);
+ assert(dstlvl->valid);
+ assert(dstlvl->width == image->base.Width);
+ assert(dstlvl->height == image->base.Height);
+ assert(dstlvl->depth == image->base.Depth);
+
+ radeon_bo_map(mt->bo, GL_TRUE);
+ dest = mt->bo->ptr + dstlvl->faces[face].offset;
+
+ if (image->mt) {
+ /* Format etc. should match, so we really just need a memcpy().
+ * In fact, that memcpy() could be done by the hardware in many
+ * cases, provided that we have a proper memory manager.
+ */
+ assert(mt->mesaFormat == image->base.TexFormat);
+
+ radeon_mipmap_level *srclvl = &image->mt->levels[image->mtlevel];
+
+ /* TODO: bring back these assertions once the FBOs are fixed */
+#if 0
+ assert(image->mtlevel == level);
+ assert(srclvl->size == dstlvl->size);
+ assert(srclvl->rowstride == dstlvl->rowstride);
+#endif
+
+ radeon_bo_map(image->mt->bo, GL_FALSE);
+
+ memcpy(dest,
+ image->mt->bo->ptr + srclvl->faces[face].offset,
+ dstlvl->size);
+ radeon_bo_unmap(image->mt->bo);
+
+ radeon_miptree_unreference(&image->mt);
+ } else {
+ const uint32_t srcrowstride = _mesa_format_row_stride(image->base.TexFormat, image->base.Width);
+ uint32_t rows = image->base.Height * image->base.Depth;
+
+ if (_mesa_is_format_compressed(image->base.TexFormat)) {
+ uint32_t blockWidth, blockHeight;
+ _mesa_get_format_block_size(image->base.TexFormat, &blockWidth, &blockHeight);
+ rows = (rows + blockHeight - 1) / blockHeight;
+ }
+
+ copy_rows(dest, dstlvl->rowstride, image->base.Data, srcrowstride,
+ rows, srcrowstride);
+
+ _mesa_free_texmemory(image->base.Data);
+ image->base.Data = 0;
+ }
+
+ radeon_bo_unmap(mt->bo);
+
+ radeon_miptree_reference(mt, &image->mt);
+ image->mtface = face;
+ image->mtlevel = level;
+}
+
+/**
+ * Filter matching miptrees, and select one with the most of data.
+ * @param[in] texObj radeon texture object
+ * @param[in] firstLevel first texture level to check
+ * @param[in] lastLevel last texture level to check
+ */
+static radeon_mipmap_tree * get_biggest_matching_miptree(radeonTexObj *texObj,
+ unsigned firstLevel,
+ unsigned lastLevel)
+{
+ const unsigned numLevels = lastLevel - firstLevel + 1;
+ unsigned *mtSizes = calloc(numLevels, sizeof(unsigned));
+ radeon_mipmap_tree **mts = calloc(numLevels, sizeof(radeon_mipmap_tree *));
+ unsigned mtCount = 0;
+ unsigned maxMtIndex = 0;
+ radeon_mipmap_tree *tmp;
+
+ for (unsigned level = firstLevel; level <= lastLevel; ++level) {
+ radeon_texture_image *img = get_radeon_texture_image(texObj->base.Image[0][level]);
+ unsigned found = 0;
+ // TODO: why this hack??
+ if (!img)
+ break;
+
+ if (!img->mt)
+ continue;
+
+ for (int i = 0; i < mtCount; ++i) {
+ if (mts[i] == img->mt) {
+ found = 1;
+ mtSizes[i] += img->mt->levels[img->mtlevel].size;
+ break;
+ }
+ }
+
+ if (!found && radeon_miptree_matches_texture(img->mt, &texObj->base)) {
+ mtSizes[mtCount] = img->mt->levels[img->mtlevel].size;
+ mts[mtCount] = img->mt;
+ mtCount++;
+ }
+ }
+
+ if (mtCount == 0) {
+ return NULL;
+ }
+
+ for (int i = 1; i < mtCount; ++i) {
+ if (mtSizes[i] > mtSizes[maxMtIndex]) {
+ maxMtIndex = i;
+ }
+ }
+
+ tmp = mts[maxMtIndex];
+ free(mtSizes);
+ free(mts);
+
+ return tmp;
}
+
+/**
+ * Validate texture mipmap tree.
+ * If individual images are stored in different mipmap trees
+ * use the mipmap tree that has the most of the correct data.
+ */
+int radeon_validate_texture_miptree(GLcontext * ctx, struct gl_texture_object *texObj)
+{
+ radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
+ radeonTexObj *t = radeon_tex_obj(texObj);
+
+ if (t->validated || t->image_override) {
+ return GL_TRUE;
+ }
+
+ if (texObj->Image[0][texObj->BaseLevel]->Border > 0)
+ return GL_FALSE;
+
+ _mesa_test_texobj_completeness(rmesa->glCtx, texObj);
+ if (!texObj->_Complete) {
+ return GL_FALSE;
+ }
+
+ calculate_min_max_lod(&t->base, &t->minLod, &t->maxLod);
+
+ if (RADEON_DEBUG & RADEON_TEXTURE)
+ fprintf(stderr, "%s: Validating texture %p now, minLod = %d, maxLod = %d\n",
+ __FUNCTION__, texObj ,t->minLod, t->maxLod);
+
+ radeon_mipmap_tree *dst_miptree;
+ dst_miptree = get_biggest_matching_miptree(t, t->minLod, t->maxLod);
+
+ if (!dst_miptree) {
+ radeon_miptree_unreference(&t->mt);
+ radeon_try_alloc_miptree(rmesa, t);
+ dst_miptree = t->mt;
+ if (RADEON_DEBUG & RADEON_TEXTURE) {
+ fprintf(stderr, "%s: No matching miptree found, allocated new one %p\n", __FUNCTION__, t->mt);
+ }
+ } else if (RADEON_DEBUG & RADEON_TEXTURE) {
+ fprintf(stderr, "%s: Using miptree %p\n", __FUNCTION__, t->mt);
+ }
+
+ const unsigned faces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
+ unsigned face, level;
+ radeon_texture_image *img;
+ /* Validate only the levels that will actually be used during rendering */
+ for (face = 0; face < faces; ++face) {
+ for (level = t->minLod; level <= t->maxLod; ++level) {
+ img = get_radeon_texture_image(texObj->Image[face][level]);
+
+ if (RADEON_DEBUG & RADEON_TEXTURE) {
+ fprintf(stderr, "Checking image level %d, face %d, mt %p ... ", level, face, img->mt);
+ }
+
+ if (img->mt != dst_miptree) {
+ if (RADEON_DEBUG & RADEON_TEXTURE) {
+ fprintf(stderr, "MIGRATING\n");
+ }
+ struct radeon_bo *src_bo = (img->mt) ? img->mt->bo : img->bo;
+ if (src_bo && radeon_bo_is_referenced_by_cs(src_bo, rmesa->cmdbuf.cs)) {
+ radeon_firevertices(rmesa);
+ }
+ migrate_image_to_miptree(dst_miptree, img, face, level);
+ } else if (RADEON_DEBUG & RADEON_TEXTURE) {
+ fprintf(stderr, "OK\n");
+ }
+ }
+ }
+
+ t->validated = GL_TRUE;
+
+ return GL_TRUE;
+}
+
+uint32_t get_base_teximage_offset(radeonTexObj *texObj)
+{
+ if (!texObj->mt) {
+ return 0;
+ } else {
+ return radeon_miptree_image_offset(texObj->mt, 0, texObj->minLod);
+ }
+} \ No newline at end of file