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-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_depth.c19
-rw-r--r--src/gallium/drivers/llvmpipe/lp_bld_depth.h2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_rast.c8
-rw-r--r--src/gallium/drivers/llvmpipe/lp_scene.c2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_scene.h4
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.c121
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.h1
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.c24
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.h21
9 files changed, 158 insertions, 44 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_depth.c b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
index df6a6c41bbf..a8bd15f8751 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_depth.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_depth.c
@@ -525,6 +525,7 @@ lp_build_occlusion_count(struct gallivm_state *gallivm,
*
* \param type the data type of the fragment depth/stencil values
* \param format_desc description of the depth/stencil surface
+ * \param is_1d whether this resource has only one dimension
* \param loop_counter the current loop iteration
* \param depth_ptr pointer to the depth/stencil values of this 4x4 block
* \param depth_stride stride of the depth/stencil buffer
@@ -535,6 +536,7 @@ void
lp_build_depth_stencil_load_swizzled(struct gallivm_state *gallivm,
struct lp_type z_src_type,
const struct util_format_description *format_desc,
+ boolean is_1d,
LLVMValueRef depth_ptr,
LLVMValueRef depth_stride,
LLVMValueRef *z_fb,
@@ -592,9 +594,14 @@ lp_build_depth_stencil_load_swizzled(struct gallivm_state *gallivm,
zs_dst_ptr = LLVMBuildGEP(builder, depth_ptr, &depth_offset1, 1, "");
zs_dst_ptr = LLVMBuildBitCast(builder, zs_dst_ptr, load_ptr_type, "");
zs_dst1 = LLVMBuildLoad(builder, zs_dst_ptr, "");
- zs_dst_ptr = LLVMBuildGEP(builder, depth_ptr, &depth_offset2, 1, "");
- zs_dst_ptr = LLVMBuildBitCast(builder, zs_dst_ptr, load_ptr_type, "");
- zs_dst2 = LLVMBuildLoad(builder, zs_dst_ptr, "");
+ if (is_1d) {
+ zs_dst2 = lp_build_undef(gallivm, zs_load_type);
+ }
+ else {
+ zs_dst_ptr = LLVMBuildGEP(builder, depth_ptr, &depth_offset2, 1, "");
+ zs_dst_ptr = LLVMBuildBitCast(builder, zs_dst_ptr, load_ptr_type, "");
+ zs_dst2 = LLVMBuildLoad(builder, zs_dst_ptr, "");
+ }
*z_fb = LLVMBuildShuffleVector(builder, zs_dst1, zs_dst2,
LLVMConstVector(shuffles, zs_type.length), "");
@@ -648,6 +655,7 @@ lp_build_depth_stencil_load_swizzled(struct gallivm_state *gallivm,
*
* \param type the data type of the fragment depth/stencil values
* \param format_desc description of the depth/stencil surface
+ * \param is_1d whether this resource has only one dimension
* \param mask the alive/dead pixel mask for the quad (vector)
* \param z_fb z values read from fb (with padding)
* \param s_fb s values read from fb (with padding)
@@ -661,6 +669,7 @@ void
lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm,
struct lp_type z_src_type,
const struct util_format_description *format_desc,
+ boolean is_1d,
struct lp_build_mask_context *mask,
LLVMValueRef z_fb,
LLVMValueRef s_fb,
@@ -791,7 +800,9 @@ lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm,
}
LLVMBuildStore(builder, zs_dst1, zs_dst_ptr1);
- LLVMBuildStore(builder, zs_dst2, zs_dst_ptr2);
+ if (!is_1d) {
+ LLVMBuildStore(builder, zs_dst2, zs_dst_ptr2);
+ }
}
/**
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_depth.h b/src/gallium/drivers/llvmpipe/lp_bld_depth.h
index 2534dc309ce..d169c896711 100644
--- a/src/gallium/drivers/llvmpipe/lp_bld_depth.h
+++ b/src/gallium/drivers/llvmpipe/lp_bld_depth.h
@@ -74,6 +74,7 @@ void
lp_build_depth_stencil_load_swizzled(struct gallivm_state *gallivm,
struct lp_type z_src_type,
const struct util_format_description *format_desc,
+ boolean is_1d,
LLVMValueRef depth_ptr,
LLVMValueRef depth_stride,
LLVMValueRef *z_fb,
@@ -84,6 +85,7 @@ void
lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm,
struct lp_type z_src_type,
const struct util_format_description *format_desc,
+ boolean is_1d,
struct lp_build_mask_context *mask,
LLVMValueRef z_fb,
LLVMValueRef s_fb,
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c
index be5a286e3da..981dd712126 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast.c
@@ -95,10 +95,10 @@ lp_rast_tile_begin(struct lp_rasterizer_task *task,
task->bin = bin;
task->x = x * TILE_SIZE;
task->y = y * TILE_SIZE;
- task->width = TILE_SIZE + x * TILE_SIZE > task->scene->width_aligned ?
- task->scene->width_aligned - x * TILE_SIZE : TILE_SIZE;
- task->height = TILE_SIZE + y * TILE_SIZE > task->scene->height_aligned ?
- task->scene->height_aligned - y * TILE_SIZE : TILE_SIZE;
+ task->width = TILE_SIZE + x * TILE_SIZE > task->scene->fb.width ?
+ task->scene->fb.width - x * TILE_SIZE : TILE_SIZE;
+ task->height = TILE_SIZE + y * TILE_SIZE > task->scene->fb.height ?
+ task->scene->fb.height - y * TILE_SIZE : TILE_SIZE;
/* reset pointers to color and depth tile(s) */
memset(task->color_tiles, 0, sizeof(task->color_tiles));
diff --git a/src/gallium/drivers/llvmpipe/lp_scene.c b/src/gallium/drivers/llvmpipe/lp_scene.c
index 2dfc7ff9ce7..771ad085a12 100644
--- a/src/gallium/drivers/llvmpipe/lp_scene.c
+++ b/src/gallium/drivers/llvmpipe/lp_scene.c
@@ -505,8 +505,6 @@ void lp_scene_begin_binning( struct lp_scene *scene,
scene->tiles_x = align(fb->width, TILE_SIZE) / TILE_SIZE;
scene->tiles_y = align(fb->height, TILE_SIZE) / TILE_SIZE;
- scene->width_aligned = align(fb->width, LP_RASTER_BLOCK_SIZE);
- scene->height_aligned = align(fb->height, LP_RASTER_BLOCK_SIZE);
assert(scene->tiles_x <= TILES_X);
assert(scene->tiles_y <= TILES_Y);
diff --git a/src/gallium/drivers/llvmpipe/lp_scene.h b/src/gallium/drivers/llvmpipe/lp_scene.h
index bc6c448bc7f..fa5bbcaf013 100644
--- a/src/gallium/drivers/llvmpipe/lp_scene.h
+++ b/src/gallium/drivers/llvmpipe/lp_scene.h
@@ -144,10 +144,6 @@ struct lp_scene {
/** list of resources referenced by the scene commands */
struct resource_ref *resources;
- /** aligned scene width, height */
- unsigned width_aligned;
- unsigned height_aligned;
-
/** Total memory used by the scene (in bytes). This sums all the
* data blocks and counts all bins, state, resource references and
* other random allocations within the scene.
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index a7bd836918e..260d93ce98e 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -353,7 +353,7 @@ generate_fs_loop(struct gallivm_state *gallivm,
if (depth_mode & EARLY_DEPTH_TEST) {
lp_build_depth_stencil_load_swizzled(gallivm, type,
- zs_format_desc,
+ zs_format_desc, key->resource_1d,
depth_ptr, depth_stride,
&z_fb, &s_fb, loop_state.counter);
lp_build_depth_stencil_test(gallivm,
@@ -369,7 +369,8 @@ generate_fs_loop(struct gallivm_state *gallivm,
!simple_shader);
if (depth_mode & EARLY_DEPTH_WRITE) {
- lp_build_depth_stencil_write_swizzled(gallivm, type, zs_format_desc,
+ lp_build_depth_stencil_write_swizzled(gallivm, type,
+ zs_format_desc, key->resource_1d,
NULL, NULL, NULL, loop_state.counter,
depth_ptr, depth_stride,
z_value, s_value);
@@ -424,7 +425,7 @@ generate_fs_loop(struct gallivm_state *gallivm,
}
lp_build_depth_stencil_load_swizzled(gallivm, type,
- zs_format_desc,
+ zs_format_desc, key->resource_1d,
depth_ptr, depth_stride,
&z_fb, &s_fb, loop_state.counter);
@@ -441,7 +442,8 @@ generate_fs_loop(struct gallivm_state *gallivm,
!simple_shader);
/* Late Z write */
if (depth_mode & LATE_DEPTH_WRITE) {
- lp_build_depth_stencil_write_swizzled(gallivm, type, zs_format_desc,
+ lp_build_depth_stencil_write_swizzled(gallivm, type,
+ zs_format_desc, key->resource_1d,
NULL, NULL, NULL, loop_state.counter,
depth_ptr, depth_stride,
z_value, s_value);
@@ -454,7 +456,8 @@ generate_fs_loop(struct gallivm_state *gallivm,
* depth value, update from zs_value with the new mask value and
* write that out.
*/
- lp_build_depth_stencil_write_swizzled(gallivm, type, zs_format_desc,
+ lp_build_depth_stencil_write_swizzled(gallivm, type,
+ zs_format_desc, key->resource_1d,
&mask, z_fb, s_fb, loop_state.counter,
depth_ptr, depth_stride,
z_value, s_value);
@@ -508,6 +511,7 @@ generate_fs_loop(struct gallivm_state *gallivm,
*
* @param type fragment shader type (4x or 8x float)
* @param num_fs number of fs_src
+ * @param is_1d whether we're outputting to a 1d resource
* @param dst_channels number of output channels
* @param fs_src output from fragment shader
* @param dst pointer to store result
@@ -1345,6 +1349,7 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
LLVMValueRef blend_alpha;
LLVMValueRef i32_zero;
LLVMValueRef check_mask;
+ LLVMValueRef undef_src_val;
struct lp_build_mask_context mask_ctx;
struct lp_type mask_type;
@@ -1369,9 +1374,16 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
const boolean dual_source_blend = variant->key.blend.rt[0].blend_enable &&
util_blend_state_is_dual(&variant->key.blend, 0);
+ const boolean is_1d = variant->key.resource_1d;
+ unsigned num_fullblock_fs = is_1d ? 2 * num_fs : num_fs;
+
mask_type = lp_int32_vec4_type();
mask_type.length = fs_type.length;
+ for (i = num_fs; i < num_fullblock_fs; i++) {
+ fs_mask[i] = lp_build_zero(gallivm, mask_type);
+ }
+
/* Compute the alignment of the destination pointer in bytes */
#if 0
dst_alignment = (block_width * out_format_desc->block.bits + 7)/(out_format_desc->block.width * 8);
@@ -1388,7 +1400,7 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
if (do_branch) {
check_mask = LLVMConstNull(lp_build_int_vec_type(gallivm, mask_type));
- for (i = 0; i < num_fs; ++i) {
+ for (i = 0; i < num_fullblock_fs; ++i) {
check_mask = LLVMBuildOr(builder, check_mask, fs_mask[i], "");
}
@@ -1399,6 +1411,17 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
partial_mask |= !variant->opaque;
i32_zero = lp_build_const_int32(gallivm, 0);
+#if HAVE_LLVM < 0x0302
+ /*
+ * undef triggers a crash in LLVMBuildTrunc in convert_from_blend_type in some
+ * cases (seen with r10g10b10a2, 128bit wide vectors) (only used for 1d case).
+ */
+ undef_src_val = lp_build_zero(gallivm, fs_type);
+#else
+ undef_src_val = lp_build_undef(gallivm, fs_type);
+#endif
+
+
/* Get type from output format */
lp_blend_type_from_format_desc(out_format_desc, &row_type);
lp_mem_type_from_format_desc(out_format_desc, &dst_type);
@@ -1459,14 +1482,25 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
/*
* Load shader output
*/
- for (i = 0; i < num_fs; ++i) {
+ for (i = 0; i < num_fullblock_fs; ++i) {
/* Always load alpha for use in blending */
- LLVMValueRef alpha = LLVMBuildLoad(builder, fs_out_color[rt][alpha_channel][i], "");
+ LLVMValueRef alpha;
+ if (i < num_fs) {
+ alpha = LLVMBuildLoad(builder, fs_out_color[rt][alpha_channel][i], "");
+ }
+ else {
+ alpha = undef_src_val;
+ }
/* Load each channel */
for (j = 0; j < dst_channels; ++j) {
assert(swizzle[j] < 4);
- fs_src[i][j] = LLVMBuildLoad(builder, fs_out_color[rt][swizzle[j]][i], "");
+ if (i < num_fs) {
+ fs_src[i][j] = LLVMBuildLoad(builder, fs_out_color[rt][swizzle[j]][i], "");
+ }
+ else {
+ fs_src[i][j] = undef_src_val;
+ }
}
/* If 3 channels then pad to include alpha for 4 element transpose */
@@ -1492,12 +1526,23 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
}
if (dual_source_blend) {
/* same as above except different src/dst, skip masks and comments... */
- for (i = 0; i < num_fs; ++i) {
- LLVMValueRef alpha = LLVMBuildLoad(builder, fs_out_color[1][alpha_channel][i], "");
+ for (i = 0; i < num_fullblock_fs; ++i) {
+ LLVMValueRef alpha;
+ if (i < num_fs) {
+ alpha = LLVMBuildLoad(builder, fs_out_color[1][alpha_channel][i], "");
+ }
+ else {
+ alpha = undef_src_val;
+ }
for (j = 0; j < dst_channels; ++j) {
assert(swizzle[j] < 4);
- fs_src1[i][j] = LLVMBuildLoad(builder, fs_out_color[1][swizzle[j]][i], "");
+ if (i < num_fs) {
+ fs_src1[i][j] = LLVMBuildLoad(builder, fs_out_color[1][swizzle[j]][i], "");
+ }
+ else {
+ fs_src1[i][j] = undef_src_val;
+ }
}
if (dst_channels == 3 && !has_alpha) {
fs_src1[i][3] = alpha;
@@ -1518,7 +1563,7 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
*/
fs_type.floating = 0;
fs_type.sign = dst_type.sign;
- for (i = 0; i < num_fs; ++i) {
+ for (i = 0; i < num_fullblock_fs; ++i) {
for (j = 0; j < dst_channels; ++j) {
fs_src[i][j] = LLVMBuildBitCast(builder, fs_src[i][j],
lp_build_vec_type(gallivm, fs_type), "");
@@ -1533,16 +1578,16 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
/*
* Pixel twiddle from fragment shader order to memory order
*/
- src_count = generate_fs_twiddle(gallivm, fs_type, num_fs,
+ src_count = generate_fs_twiddle(gallivm, fs_type, num_fullblock_fs,
dst_channels, fs_src, src, pad_inline);
if (dual_source_blend) {
- generate_fs_twiddle(gallivm, fs_type, num_fs, dst_channels,
+ generate_fs_twiddle(gallivm, fs_type, num_fullblock_fs, dst_channels,
fs_src1, src1, pad_inline);
}
src_channels = dst_channels < 3 ? dst_channels : 4;
- if (src_count != num_fs * src_channels) {
- unsigned ds = src_count / (num_fs * src_channels);
+ if (src_count != num_fullblock_fs * src_channels) {
+ unsigned ds = src_count / (num_fullblock_fs * src_channels);
row_type.length /= ds;
fs_type.length = row_type.length;
}
@@ -1685,8 +1730,18 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
dst_type.length = block_width;
}
- load_unswizzled_block(gallivm, color_ptr, stride, block_width, block_height,
- dst, dst_type, dst_count, dst_alignment);
+ if (is_1d) {
+ load_unswizzled_block(gallivm, color_ptr, stride, block_width, 1,
+ dst, dst_type, dst_count / 4, dst_alignment);
+ for (i = dst_count / 4; i < dst_count; i++) {
+ dst[i] = lp_build_undef(gallivm, dst_type);
+ }
+
+ }
+ else {
+ load_unswizzled_block(gallivm, color_ptr, stride, block_width, block_height,
+ dst, dst_type, dst_count, dst_alignment);
+ }
/*
@@ -1761,8 +1816,14 @@ generate_unswizzled_blend(struct gallivm_state *gallivm,
/*
* Store blend result to memory
*/
- store_unswizzled_block(gallivm, color_ptr, stride, block_width, block_height,
- dst, dst_type, dst_count, dst_alignment);
+ if (is_1d) {
+ store_unswizzled_block(gallivm, color_ptr, stride, block_width, 1,
+ dst, dst_type, dst_count / 4, dst_alignment);
+ }
+ else {
+ store_unswizzled_block(gallivm, color_ptr, stride, block_width, block_height,
+ dst, dst_type, dst_count, dst_alignment);
+ }
if (do_branch) {
lp_build_mask_end(&mask_ctx);
@@ -1855,7 +1916,6 @@ generate_fragment(struct llvmpipe_context *lp,
fs_type.norm = FALSE; /* values are not limited to [0,1] or [-1,1] */
fs_type.width = 32; /* 32-bit float */
fs_type.length = MIN2(lp_native_vector_width / 32, 16); /* n*4 elements per vector */
- num_fs = 16 / fs_type.length; /* number of loops per 4x4 stamp */
memset(&blend_type, 0, sizeof blend_type);
blend_type.floating = FALSE; /* values are integers */
@@ -1944,6 +2004,11 @@ generate_fragment(struct llvmpipe_context *lp,
/* code generated texture sampling */
sampler = lp_llvm_sampler_soa_create(key->state, context_ptr);
+ num_fs = 16 / fs_type.length; /* number of loops per 4x4 stamp */
+ /* for 1d resources only run "upper half" of stamp */
+ if (key->resource_1d)
+ num_fs /= 2;
+
{
LLVMValueRef num_loop = lp_build_const_int32(gallivm, num_fs);
LLVMTypeRef mask_type = lp_build_int_vec_type(gallivm, fs_type);
@@ -2533,6 +2598,9 @@ make_variant_key(struct llvmpipe_context *lp,
key->zsbuf_format = zsbuf_format;
memcpy(&key->stencil, &lp->depth_stencil->stencil, sizeof key->stencil);
}
+ if (llvmpipe_resource_is_1d(lp->framebuffer.zsbuf->texture)) {
+ key->resource_1d = TRUE;
+ }
}
/* alpha test only applies if render buffer 0 is non-integer (or does not exist) */
@@ -2570,6 +2638,15 @@ make_variant_key(struct llvmpipe_context *lp,
key->cbuf_format[i] = format;
+ /*
+ * Figure out if this is a 1d resource. Note that OpenGL allows crazy
+ * mixing of 2d textures with height 1 and 1d textures, so make sure
+ * we pick 1d if any cbuf or zsbuf is 1d.
+ */
+ if (llvmpipe_resource_is_1d(lp->framebuffer.cbufs[0]->texture)) {
+ key->resource_1d = TRUE;
+ }
+
format_desc = util_format_description(format);
assert(format_desc->colorspace == UTIL_FORMAT_COLORSPACE_RGB ||
format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB);
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.h b/src/gallium/drivers/llvmpipe/lp_state_fs.h
index c8dc1c33cfe..33140901c18 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.h
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.h
@@ -75,6 +75,7 @@ struct lp_fragment_shader_variant_key
unsigned nr_sampler_views:8; /* actually derivable from just the shader */
unsigned flatshade:1;
unsigned occlusion_count:1;
+ unsigned resource_1d:1;
enum pipe_format zsbuf_format;
enum pipe_format cbuf_format[PIPE_MAX_COLOR_BUFS];
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index 22f952c8924..f1a1ed0960a 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -83,22 +83,30 @@ llvmpipe_texture_layout(struct llvmpipe_screen *screen,
/* Row stride and image stride */
{
- unsigned alignment, nblocksx, nblocksy, block_size;
+ unsigned align_x, align_y, nblocksx, nblocksy, block_size;
/* For non-compressed formats we need 4x4 pixel alignment
- * (for now). We also want cache line size in x direction,
+ * so we can read/write LP_RASTER_BLOCK_SIZE when rendering to them.
+ * We also want cache line size in x direction,
* otherwise same cache line could end up in multiple threads.
- * XXX this blows up 1d/1d array textures by a factor of 4.
+ * For explicit 1d resources however we reduce this to 4x1 and
+ * handle specially in render output code (as we need to do special
+ * handling there for buffers in any case).
*/
if (util_format_is_compressed(pt->format))
- alignment = 1;
- else
- alignment = LP_RASTER_BLOCK_SIZE;
+ align_x = align_y = 1;
+ else {
+ align_x = LP_RASTER_BLOCK_SIZE;
+ if (llvmpipe_resource_is_1d(&lpr->base))
+ align_y = 1;
+ else
+ align_y = LP_RASTER_BLOCK_SIZE;
+ }
nblocksx = util_format_get_nblocksx(pt->format,
- align(width, alignment));
+ align(width, align_x));
nblocksy = util_format_get_nblocksy(pt->format,
- align(height, alignment));
+ align(height, align_y));
block_size = util_format_get_blocksize(pt->format);
if (util_format_is_compressed(pt->format))
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.h b/src/gallium/drivers/llvmpipe/lp_texture.h
index faba6f21025..e73d44946d2 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.h
+++ b/src/gallium/drivers/llvmpipe/lp_texture.h
@@ -159,6 +159,27 @@ llvmpipe_resource_is_texture(const struct pipe_resource *resource)
}
+static INLINE boolean
+llvmpipe_resource_is_1d(const struct pipe_resource *resource)
+{
+ switch (resource->target) {
+ case PIPE_BUFFER:
+ case PIPE_TEXTURE_1D:
+ case PIPE_TEXTURE_1D_ARRAY:
+ return TRUE;
+ case PIPE_TEXTURE_2D:
+ case PIPE_TEXTURE_2D_ARRAY:
+ case PIPE_TEXTURE_RECT:
+ case PIPE_TEXTURE_3D:
+ case PIPE_TEXTURE_CUBE:
+ return FALSE;
+ default:
+ assert(0);
+ return FALSE;
+ }
+}
+
+
static INLINE unsigned
llvmpipe_resource_stride(struct pipe_resource *resource,
unsigned level)