mt->total_width = dim * 2;
mt->total_height = dim * 4;
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
intel_miptree_set_level_info(mt, level, 6,
0, 0,
lvlWidth, lvlHeight,
GLuint y = initial_offsets[face][1] * dim;
GLuint d = dim;
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
intel_miptree_set_image_offset(mt, level, face, x, y);
if (d == 0)
- printf("cube mipmap %d/%d (%d) is 0x0\n",
- face, level, mt->levels);
+ printf("cube mipmap %d/%d (%d..%d) is 0x0\n",
+ face, level, mt->first_level, mt->last_level);
d >>= 1;
x += step_offsets[face][0] * d;
mt->total_width = mt->width0;
/* XXX: hardware expects/requires 9 levels at minimum. */
- for (level = 0; level < MAX2(9, mt->levels); level++) {
+ for (level = mt->first_level; level <= MAX2(8, mt->last_level); level++) {
intel_miptree_set_level_info(mt, level, depth, 0, mt->total_height,
width, height, depth);
/* Fixup depth image_offsets: */
depth = mt->depth0;
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
GLuint i;
for (i = 0; i < depth; i++) {
intel_miptree_set_image_offset(mt, level, i,
mt->total_width = mt->width0;
mt->total_height = 0;
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
intel_miptree_set_level_info(mt, level, 1,
0, mt->total_height,
width, height, 1);
mt->total_height = 4;
/* Set all the levels to effectively occupy the whole rectangular region. */
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
intel_miptree_set_level_info(mt, level, 6,
0, 0,
lvlWidth, lvlHeight, 1);
if (dim == 4 && face >= 4) {
y = mt->total_height - 4;
x = (face - 4) * 8;
- } else if (dim < 4 && face > 0) {
+ } else if (dim < 4 && (face > 0 || mt->first_level > 0)) {
y = mt->total_height - 4;
x = face * 8;
}
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
intel_miptree_set_image_offset(mt, level, face, x, y);
d >>= 1;
pack_x_pitch = mt->total_width;
pack_x_nr = 1;
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
GLint x = 0;
GLint y = 0;
GLint q, j;
i945_miptree_layout_2d(intel, mt, tiling, 6);
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level; level <= mt->last_level; level++) {
for (q = 0; q < 6; q++) {
intel_miptree_set_image_offset(mt, level, q, 0, q * qpitch);
}
pack_x_pitch = width;
pack_x_nr = 1;
- for (level = 0; level < mt->levels; level++) {
+ for (level = mt->first_level ; level <= mt->last_level ; level++) {
GLuint nr_images = mt->target == GL_TEXTURE_3D ? depth : 6;
GLint x = 0;
GLint y = 0;
struct wm_sampler_entry {
GLenum tex_target;
GLenum wrap_r, wrap_s, wrap_t;
- uint32_t base_level;
float maxlod, minlod;
float lod_bias;
float max_aniso;
sampler->ss0.lod_preclamp = 1; /* OpenGL mode */
sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */
- sampler->ss0.base_level = U_FIXED(key->base_level, 1);
+ /* Set BaseMipLevel, MaxLOD, MinLOD:
+ *
+ * XXX: I don't think that using firstLevel, lastLevel works,
+ * because we always setup the surface state as if firstLevel ==
+ * level zero. Probably have to subtract firstLevel from each of
+ * these:
+ */
+ sampler->ss0.base_level = U_FIXED(0, 1);
sampler->ss1.max_lod = U_FIXED(CLAMP(key->maxlod, 0, 13), 6);
sampler->ss1.min_lod = U_FIXED(CLAMP(key->minlod, 0, 13), 6);
entry->wrap_s = texObj->WrapS;
entry->wrap_t = texObj->WrapT;
- entry->base_level = texObj->BaseLevel;
entry->maxlod = texObj->MaxLod;
entry->minlod = texObj->MinLod;
entry->lod_bias = texUnit->LodBias + texObj->LodBias;
/* surf.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */
surf.ss1.base_addr = intelObj->mt->region->buffer->offset; /* reloc */
- /* mip_count is #levels - 1 */
surf.ss2.mip_count = intelObj->_MaxLevel - tObj->BaseLevel;
- surf.ss2.width = intelObj->mt->width0 - 1;
- surf.ss2.height = intelObj->mt->height0 - 1;
+ surf.ss2.width = firstImage->Width - 1;
+ surf.ss2.height = firstImage->Height - 1;
brw_set_surface_tiling(&surf, intelObj->mt->region->tiling);
surf.ss3.pitch = (intelObj->mt->region->pitch * intelObj->mt->cpp) - 1;
- surf.ss3.depth = intelObj->mt->depth0 - 1;
- surf.ss4.min_lod = tObj->BaseLevel;
+ surf.ss3.depth = firstImage->Depth - 1;
+ surf.ss4.min_lod = 0;
+
if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
surf.ss0.cube_pos_x = 1;
surf.ss0.cube_pos_y = 1;
intel_miptree_create_internal(struct intel_context *intel,
GLenum target,
GLenum internal_format,
- GLuint levels,
+ 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);
- DBG("%s target %s format %s levels %d <-- %p\n", __FUNCTION__,
+ DBG("%s target %s format %s level %d..%d <-- %p\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),
_mesa_lookup_enum_by_nr(internal_format),
- levels, mt);
+ first_level, last_level, mt);
mt->target = target_to_target(target);
mt->internal_format = internal_format;
- mt->levels = levels;
+ mt->first_level = first_level;
+ mt->last_level = last_level;
mt->width0 = width0;
mt->height0 = height0;
mt->depth0 = depth0;
GLenum target,
GLenum base_format,
GLenum internal_format,
- GLuint levels,
+ GLuint first_level,
+ GLuint last_level,
GLuint width0,
GLuint height0,
GLuint depth0, GLuint cpp, GLuint compress_byte,
}
mt = intel_miptree_create_internal(intel, target, internal_format,
- levels, width0,
+ first_level, last_level, width0,
height0, depth0, cpp, compress_byte,
tiling);
/*
struct intel_mipmap_tree *mt;
mt = intel_miptree_create_internal(intel, target, internal_format,
- 1,
+ 0, 0,
region->width, region->height, 1,
region->cpp, compress_byte,
I915_TILING_NONE);
GLenum target;
GLenum internal_format;
- GLuint levels;
+ GLuint first_level;
+ GLuint last_level;
GLuint width0, height0, depth0; /**< Level zero image dimensions */
GLuint cpp;
GLenum target,
GLenum base_format,
GLenum internal_format,
- GLuint levels,
+ GLuint first_level,
+ GLuint last_level,
GLuint width0,
GLuint height0,
GLuint depth0,
int intel_compressed_num_bytes(GLuint mesaFormat);
-struct intel_mipmap_tree *
-intel_miptree_create_for_teximage(struct intel_context *intel,
- struct intel_texture_object *intelObj,
- struct intel_texture_image *intelImage,
- GLboolean expect_accelerated_upload);
-
#endif
return log2;
}
-struct intel_mipmap_tree *
-intel_miptree_create_for_teximage(struct intel_context *intel,
- struct intel_texture_object *intelObj,
- struct intel_texture_image *intelImage,
- GLboolean expect_accelerated_upload)
+
+/* Otherwise, store it in memory if (Border != 0) or (any dimension ==
+ * 1).
+ *
+ * Otherwise, if max_level >= level >= min_level, create tree with
+ * space for textures from min_level down to max_level.
+ *
+ * Otherwise, create tree with space for textures from (level
+ * 0)..(1x1). Consider pruning this tree at a validation if the
+ * saving is worth it.
+ */
+static void
+guess_and_alloc_mipmap_tree(struct intel_context *intel,
+ struct intel_texture_object *intelObj,
+ struct intel_texture_image *intelImage,
+ GLboolean expect_accelerated_upload)
{
+ GLuint firstLevel;
GLuint lastLevel;
GLuint width = intelImage->base.Width;
GLuint height = intelImage->base.Height;
DBG("%s\n", __FUNCTION__);
if (intelImage->base.Border)
- return NULL;
+ return;
+
+ if (intelImage->level > intelObj->base.BaseLevel &&
+ (intelImage->base.Width == 1 ||
+ (intelObj->base.Target != GL_TEXTURE_1D &&
+ intelImage->base.Height == 1) ||
+ (intelObj->base.Target == GL_TEXTURE_3D &&
+ intelImage->base.Depth == 1)))
+ return;
+
+ /* If this image disrespects BaseLevel, allocate from level zero.
+ * Usually BaseLevel == 0, so it's unlikely to happen.
+ */
+ if (intelImage->level < intelObj->base.BaseLevel)
+ firstLevel = 0;
+ else
+ firstLevel = intelObj->base.BaseLevel;
+
/* Figure out image dimensions at start level.
*/
- for (i = intelImage->level; i > 0; i--) {
+ for (i = intelImage->level; i > firstLevel; i--) {
width <<= 1;
if (height != 1)
height <<= 1;
*/
if ((intelObj->base.MinFilter == GL_NEAREST ||
intelObj->base.MinFilter == GL_LINEAR) &&
- intelImage->level == 0) {
- lastLevel = 0;
+ intelImage->level == firstLevel &&
+ (intel->gen < 4 || firstLevel == 0)) {
+ lastLevel = firstLevel;
}
else {
- lastLevel = logbase2(MAX2(MAX2(width, height), depth));
+ lastLevel = firstLevel + logbase2(MAX2(MAX2(width, height), depth));
}
+ assert(!intelObj->mt);
if (_mesa_is_format_compressed(intelImage->base.TexFormat))
comp_byte = intel_compressed_num_bytes(intelImage->base.TexFormat);
texelBytes = _mesa_get_format_bytes(intelImage->base.TexFormat);
- return intel_miptree_create(intel,
- intelObj->base.Target,
- intelImage->base._BaseFormat,
- intelImage->base.InternalFormat,
- lastLevel + 1,
- width,
- height,
- depth,
- texelBytes,
- comp_byte,
- expect_accelerated_upload);
+ intelObj->mt = intel_miptree_create(intel,
+ intelObj->base.Target,
+ intelImage->base._BaseFormat,
+ intelImage->base.InternalFormat,
+ firstLevel,
+ lastLevel,
+ width,
+ height,
+ depth,
+ texelBytes,
+ comp_byte,
+ expect_accelerated_upload);
+
+ DBG("%s - success\n", __FUNCTION__);
}
texImage->Data = NULL;
}
- if (intelObj->mt && intel_miptree_match_image(intelObj->mt,
- &intelImage->base)) {
- intel_miptree_reference(&intelImage->mt, intelObj->mt);
- } else {
- intel_miptree_release(intel, &intelImage->mt);
- intelImage->mt = intel_miptree_create_for_teximage(intel, intelObj,
- intelImage,
- pixels == NULL);
- if (!intelImage->mt) {
+ if (!intelObj->mt) {
+ guess_and_alloc_mipmap_tree(intel, intelObj, intelImage, pixels == NULL);
+ if (!intelObj->mt) {
DBG("guess_and_alloc_mipmap_tree: failed\n");
}
+ }
+
+ assert(!intelImage->mt);
+
+ if (intelObj->mt &&
+ intel_miptree_match_image(intelObj->mt, &intelImage->base)) {
+
+ intel_miptree_reference(&intelImage->mt, intelObj->mt);
+ assert(intelImage->mt);
+ } else if (intelImage->base.Border == 0) {
+ int comp_byte = 0;
+ GLuint texelBytes = _mesa_get_format_bytes(intelImage->base.TexFormat);
+ GLenum baseFormat = _mesa_get_format_base_format(intelImage->base.TexFormat);
+ if (_mesa_is_format_compressed(intelImage->base.TexFormat)) {
+ comp_byte =
+ intel_compressed_num_bytes(intelImage->base.TexFormat);
+ }
- /* Speculatively set up the object with this miptree so that the
- * later levels can just load into the miptree we just made.
+ /* Didn't fit in the object miptree, but it's suitable for inclusion in
+ * a miptree, so create one just for our level and store it in the image.
+ * It'll get moved into the object miptree at validate time.
*/
- if (!intelObj->mt && intelImage->mt)
- intel_miptree_reference(&intelObj->mt, intelImage->mt);
+ intelImage->mt = intel_miptree_create(intel, target,
+ baseFormat,
+ internalFormat,
+ level, level,
+ width, height, depth,
+ texelBytes,
+ comp_byte, pixels == NULL);
+
}
/* PBO fastpaths:
* performance (in particular when intel_region_cow() is
* required).
*/
- if (intelImage->mt->levels == 1) {
+ if (intelObj->mt == intelImage->mt &&
+ intelObj->mt->first_level == level &&
+ intelObj->mt->last_level == level) {
+
if (try_pbo_zcopy(intel, intelImage, unpack,
internalFormat,
width, height, format, type, pixels)) {
* constraints of mipmap placement push the right edge of the
* 2nd mipmap out past the width of its parent.
*/
- if (mt->levels > 1) {
+ if (mt->first_level != mt->last_level) {
GLuint mip1_width;
if (mt->compressed) {
mt->total_height = 0;
- for (level = 0; level < mt->levels; level++) {
+ for ( level = mt->first_level ; level <= mt->last_level ; level++ ) {
GLuint img_height;
intel_miptree_set_level_info(mt, level, nr_images, x, y, width,
/* Layout_below: step right after second mipmap.
*/
- if (level == 1) {
+ if (level == mt->first_level + 1) {
x += ALIGN(width, align_w);
}
else {
*/
if (firstImage->mt &&
firstImage->mt != intelObj->mt &&
- firstImage->mt->levels >= intelObj->_MaxLevel) {
+ firstImage->mt->first_level <= tObj->BaseLevel &&
+ firstImage->mt->last_level >= intelObj->_MaxLevel) {
if (intelObj->mt)
intel_miptree_release(intel, &intelObj->mt);
if (intelObj->mt &&
(intelObj->mt->target != intelObj->base.Target ||
intelObj->mt->internal_format != firstImage->base.InternalFormat ||
- intelObj->mt->levels <= intelObj->_MaxLevel ||
- intelObj->mt->width0 != firstImage->mt->width0 ||
- intelObj->mt->height0 != firstImage->mt->height0 ||
- intelObj->mt->depth0 != firstImage->mt->depth0 ||
+ intelObj->mt->first_level != tObj->BaseLevel ||
+ intelObj->mt->last_level != intelObj->_MaxLevel ||
+ intelObj->mt->width0 != firstImage->base.Width ||
+ intelObj->mt->height0 != firstImage->base.Height ||
+ intelObj->mt->depth0 != firstImage->base.Depth ||
intelObj->mt->cpp != cpp ||
intelObj->mt->compressed != _mesa_is_format_compressed(firstImage->base.TexFormat))) {
intel_miptree_release(intel, &intelObj->mt);
/* May need to create a new tree:
*/
if (!intelObj->mt) {
- intelObj->mt = intel_miptree_create_for_teximage(intel, intelObj,
- firstImage,
- GL_TRUE);
+ intelObj->mt = intel_miptree_create(intel,
+ intelObj->base.Target,
+ firstImage->base._BaseFormat,
+ firstImage->base.InternalFormat,
+ tObj->BaseLevel,
+ intelObj->_MaxLevel,
+ firstImage->base.Width,
+ firstImage->base.Height,
+ firstImage->base.Depth,
+ cpp,
+ comp_byte,
+ GL_TRUE);
}
/* Pull in any images not in the object's tree: