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-rw-r--r--src/gallium/drivers/llvmpipe/lp_jit.c14
-rw-r--r--src/gallium/drivers/llvmpipe/lp_jit.h7
-rw-r--r--src/gallium/drivers/llvmpipe/lp_rast.c6
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.c19
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup.c16
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_vbuf.c129
-rw-r--r--src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c53
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.c41
-rw-r--r--src/gallium/drivers/llvmpipe/lp_texture.h8
9 files changed, 119 insertions, 174 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c
index b666ffc804..08c8f93794 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.c
+++ b/src/gallium/drivers/llvmpipe/lp_jit.c
@@ -51,12 +51,16 @@ lp_jit_init_globals(struct llvmpipe_screen *screen)
/* struct lp_jit_texture */
{
- LLVMTypeRef elem_types[4];
+ LLVMTypeRef elem_types[6];
elem_types[LP_JIT_TEXTURE_WIDTH] = LLVMInt32Type();
elem_types[LP_JIT_TEXTURE_HEIGHT] = LLVMInt32Type();
+ elem_types[LP_JIT_TEXTURE_DEPTH] = LLVMInt32Type();
+ elem_types[LP_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32Type();
elem_types[LP_JIT_TEXTURE_STRIDE] = LLVMInt32Type();
- elem_types[LP_JIT_TEXTURE_DATA] = LLVMPointerType(LLVMInt8Type(), 0);
+ elem_types[LP_JIT_TEXTURE_DATA] =
+ LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0),
+ LP_MAX_TEXTURE_2D_LEVELS);
texture_type = LLVMStructType(elem_types, Elements(elem_types), 0);
@@ -66,6 +70,12 @@ lp_jit_init_globals(struct llvmpipe_screen *screen)
LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
screen->target, texture_type,
LP_JIT_TEXTURE_HEIGHT);
+ LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, depth,
+ screen->target, texture_type,
+ LP_JIT_TEXTURE_DEPTH);
+ LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, last_level,
+ screen->target, texture_type,
+ LP_JIT_TEXTURE_LAST_LEVEL);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, stride,
screen->target, texture_type,
LP_JIT_TEXTURE_STRIDE);
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.h b/src/gallium/drivers/llvmpipe/lp_jit.h
index 8df3015d4b..5cc7a12c03 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.h
+++ b/src/gallium/drivers/llvmpipe/lp_jit.h
@@ -39,6 +39,7 @@
#include "gallivm/lp_bld_struct.h"
#include "pipe/p_state.h"
+#include "lp_texture.h"
struct llvmpipe_screen;
@@ -48,14 +49,18 @@ struct lp_jit_texture
{
uint32_t width;
uint32_t height;
+ uint32_t depth;
+ uint32_t last_level;
uint32_t stride;
- const void *data;
+ const void *data[LP_MAX_TEXTURE_2D_LEVELS];
};
enum {
LP_JIT_TEXTURE_WIDTH = 0,
LP_JIT_TEXTURE_HEIGHT,
+ LP_JIT_TEXTURE_DEPTH,
+ LP_JIT_TEXTURE_LAST_LEVEL,
LP_JIT_TEXTURE_STRIDE,
LP_JIT_TEXTURE_DATA
};
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c
index 0f83eea685..dd9a8e8856 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast.c
@@ -846,6 +846,12 @@ void lp_rast_destroy( struct lp_rasterizer *rast )
pipe_semaphore_signal(&rast->tasks[i].work_ready);
}
+ /* Wait for threads to terminate before cleaning up per-thread data */
+ for (i = 0; i < rast->num_threads; i++) {
+ pipe_thread_wait(rast->threads[i]);
+ }
+
+ /* Clean up per-thread data */
for (i = 0; i < rast->num_threads; i++) {
pipe_semaphore_destroy(&rast->tasks[i].work_ready);
pipe_semaphore_destroy(&rast->tasks[i].work_done);
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 6759e39e01..9bb3043320 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -108,11 +108,11 @@ llvmpipe_get_param(struct pipe_screen *screen, int param)
case PIPE_CAP_TEXTURE_SHADOW_MAP:
return 1;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
- return 13; /* max 4Kx4K */
+ return LP_MAX_TEXTURE_2D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
- return 9; /* max 256x256x256 */
+ return LP_MAX_TEXTURE_3D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
- return 13; /* max 4Kx4K */
+ return LP_MAX_TEXTURE_2D_LEVELS;
case PIPE_CAP_TGSI_CONT_SUPPORTED:
return 1;
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
@@ -239,18 +239,6 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
}
-static struct pipe_buffer *
-llvmpipe_surface_buffer_create(struct pipe_screen *screen,
- unsigned width, unsigned height,
- enum pipe_format format,
- unsigned tex_usage,
- unsigned usage,
- unsigned *stride)
-{
- /* This function should never be used */
- assert(0);
- return NULL;
-}
static void
@@ -310,7 +298,6 @@ llvmpipe_create_screen(struct sw_winsys *winsys)
screen->base.get_paramf = llvmpipe_get_paramf;
screen->base.is_format_supported = llvmpipe_is_format_supported;
- screen->base.surface_buffer_create = llvmpipe_surface_buffer_create;
screen->base.context_create = llvmpipe_create_context;
screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer;
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index fe60eb0437..fbe14924cb 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -469,20 +469,28 @@ lp_setup_set_sampler_textures( struct setup_context *setup,
jit_tex = &setup->fs.current.jit_context.textures[i];
jit_tex->width = tex->width0;
jit_tex->height = tex->height0;
+ jit_tex->depth = tex->depth0;
+ jit_tex->last_level = tex->last_level;
jit_tex->stride = lp_tex->stride[0];
- if(!lp_tex->dt) {
- jit_tex->data = lp_tex->data;
+ if (!lp_tex->dt) {
+ /* regular texture - setup array of mipmap level pointers */
+ int j;
+ for (j = 0; j < LP_MAX_TEXTURE_2D_LEVELS; j++) {
+ jit_tex->data[j] =
+ (ubyte *) lp_tex->data + lp_tex->level_offset[j];
+ }
}
else {
+ /* display target texture/surface */
/*
* XXX: Where should this be unmapped?
*/
struct llvmpipe_screen *screen = llvmpipe_screen(tex->screen);
struct sw_winsys *winsys = screen->winsys;
- jit_tex->data = winsys->displaytarget_map(winsys, lp_tex->dt,
+ jit_tex->data[0] = winsys->displaytarget_map(winsys, lp_tex->dt,
PIPE_BUFFER_USAGE_CPU_READ);
- assert(jit_tex->data);
+ assert(jit_tex->data[0]);
}
/* the scene references this texture */
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c b/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c
index 24291da91e..671e74465c 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_vbuf.c
@@ -231,57 +231,29 @@ lp_setup_draw(struct vbuf_render *vbr, const ushort *indices, uint nr)
break;
case PIPE_PRIM_QUADS:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
+ for (i = 3; i < nr; i += 4) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
}
break;
case PIPE_PRIM_QUAD_STRIP:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride));
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride),
- get_vert(vertex_buffer, indices[i-3], stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-2], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, indices[i-1], stride),
- get_vert(vertex_buffer, indices[i-3], stride),
- get_vert(vertex_buffer, indices[i-0], stride) );
- }
+ for (i = 3; i < nr; i += 2) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-2], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
+ setup->triangle( setup,
+ get_vert(vertex_buffer, indices[i-1], stride),
+ get_vert(vertex_buffer, indices[i-3], stride),
+ get_vert(vertex_buffer, indices[i-0], stride) );
}
break;
@@ -415,57 +387,28 @@ lp_setup_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
break;
case PIPE_PRIM_QUADS:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-3, stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 4) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
+ for (i = 3; i < nr; i += 4) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-0, stride) );
}
break;
case PIPE_PRIM_QUAD_STRIP:
- if (setup->flatshade_first) {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride) );
- setup->triangle( setup,
-
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride),
- get_vert(vertex_buffer, i-3, stride) );
- }
- }
- else {
- for (i = 3; i < nr; i += 2) {
- setup->triangle( setup,
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-2, stride),
- get_vert(vertex_buffer, i-0, stride) );
- setup->triangle( setup,
- get_vert(vertex_buffer, i-1, stride),
- get_vert(vertex_buffer, i-3, stride),
- get_vert(vertex_buffer, i-0, stride) );
- }
+ for (i = 3; i < nr; i += 2) {
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-2, stride),
+ get_vert(vertex_buffer, i-0, stride) );
+ setup->triangle( setup,
+ get_vert(vertex_buffer, i-1, stride),
+ get_vert(vertex_buffer, i-3, stride),
+ get_vert(vertex_buffer, i-0, stride) );
}
break;
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
index 2533275dc1..5a3cf37d6d 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
@@ -51,10 +51,11 @@
/**
- * This provides the bridge between the sampler state store in lp_jit_context
- * and lp_jit_texture and the sampler code generator. It provides the
- * texture layout information required by the texture sampler code generator
- * in terms of the state stored in lp_jit_context and lp_jit_texture in runtime.
+ * This provides the bridge between the sampler state store in
+ * lp_jit_context and lp_jit_texture and the sampler code
+ * generator. It provides the texture layout information required by
+ * the texture sampler code generator in terms of the state stored in
+ * lp_jit_context and lp_jit_texture in runtime.
*/
struct llvmpipe_sampler_dynamic_state
{
@@ -79,6 +80,9 @@ struct lp_llvm_sampler_soa
/**
* Fetch the specified member of the lp_jit_texture structure.
+ * \param emit_load if TRUE, emit the LLVM load instruction to actually
+ * fetch the field's value. Otherwise, just emit the
+ * GEP code to address the field.
*
* @sa http://llvm.org/docs/GetElementPtr.html
*/
@@ -87,9 +91,11 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
LLVMBuilderRef builder,
unsigned unit,
unsigned member_index,
- const char *member_name)
+ const char *member_name,
+ boolean emit_load)
{
- struct llvmpipe_sampler_dynamic_state *state = (struct llvmpipe_sampler_dynamic_state *)base;
+ struct llvmpipe_sampler_dynamic_state *state =
+ (struct llvmpipe_sampler_dynamic_state *)base;
LLVMValueRef indices[4];
LLVMValueRef ptr;
LLVMValueRef res;
@@ -107,7 +113,10 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
ptr = LLVMBuildGEP(builder, state->context_ptr, indices, Elements(indices), "");
- res = LLVMBuildLoad(builder, ptr, "");
+ if (emit_load)
+ res = LLVMBuildLoad(builder, ptr, "");
+ else
+ res = ptr;
lp_build_name(res, "context.texture%u.%s", unit, member_name);
@@ -116,26 +125,30 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
/**
- * Helper macro to instantiate the functions that generate the code to fetch
- * the members of lp_jit_texture to fulfill the sampler code generator requests.
+ * Helper macro to instantiate the functions that generate the code to
+ * fetch the members of lp_jit_texture to fulfill the sampler code
+ * generator requests.
*
- * This complexity is the price we have to pay to keep the texture sampler code
- * generator a reusable module without dependencies to llvmpipe internals.
+ * This complexity is the price we have to pay to keep the texture
+ * sampler code generator a reusable module without dependencies to
+ * llvmpipe internals.
*/
-#define LP_LLVM_TEXTURE_MEMBER(_name, _index) \
+#define LP_LLVM_TEXTURE_MEMBER(_name, _index, _emit_load) \
static LLVMValueRef \
lp_llvm_texture_##_name( struct lp_sampler_dynamic_state *base, \
LLVMBuilderRef builder, \
unsigned unit) \
{ \
- return lp_llvm_texture_member(base, builder, unit, _index, #_name ); \
+ return lp_llvm_texture_member(base, builder, unit, _index, #_name, _emit_load ); \
}
-LP_LLVM_TEXTURE_MEMBER(width, LP_JIT_TEXTURE_WIDTH)
-LP_LLVM_TEXTURE_MEMBER(height, LP_JIT_TEXTURE_HEIGHT)
-LP_LLVM_TEXTURE_MEMBER(stride, LP_JIT_TEXTURE_STRIDE)
-LP_LLVM_TEXTURE_MEMBER(data_ptr, LP_JIT_TEXTURE_DATA)
+LP_LLVM_TEXTURE_MEMBER(width, LP_JIT_TEXTURE_WIDTH, TRUE)
+LP_LLVM_TEXTURE_MEMBER(height, LP_JIT_TEXTURE_HEIGHT, TRUE)
+LP_LLVM_TEXTURE_MEMBER(depth, LP_JIT_TEXTURE_DEPTH, TRUE)
+LP_LLVM_TEXTURE_MEMBER(last_level, LP_JIT_TEXTURE_LAST_LEVEL, TRUE)
+LP_LLVM_TEXTURE_MEMBER(stride, LP_JIT_TEXTURE_STRIDE, TRUE)
+LP_LLVM_TEXTURE_MEMBER(data_ptr, LP_JIT_TEXTURE_DATA, FALSE)
static void
@@ -145,6 +158,10 @@ lp_llvm_sampler_soa_destroy(struct lp_build_sampler_soa *sampler)
}
+/**
+ * Fetch filtered values from texture.
+ * The 'texel' parameter returns four vectors corresponding to R, G, B, A.
+ */
static void
lp_llvm_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *base,
LLVMBuilderRef builder,
@@ -185,6 +202,8 @@ lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
sampler->base.emit_fetch_texel = lp_llvm_sampler_soa_emit_fetch_texel;
sampler->dynamic_state.base.width = lp_llvm_texture_width;
sampler->dynamic_state.base.height = lp_llvm_texture_height;
+ sampler->dynamic_state.base.depth = lp_llvm_texture_depth;
+ sampler->dynamic_state.base.last_level = lp_llvm_texture_last_level;
sampler->dynamic_state.base.stride = lp_llvm_texture_stride;
sampler->dynamic_state.base.data_ptr = lp_llvm_texture_data_ptr;
sampler->dynamic_state.static_state = static_state;
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.c b/src/gallium/drivers/llvmpipe/lp_texture.c
index ac3d62dc96..74b7b4ec5e 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.c
+++ b/src/gallium/drivers/llvmpipe/lp_texture.c
@@ -125,7 +125,8 @@ llvmpipe_texture_create(struct pipe_screen *_screen,
lpt->base.screen = &screen->base;
if (lpt->base.tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_PRIMARY)) {
+ PIPE_TEXTURE_USAGE_SCANOUT |
+ PIPE_TEXTURE_USAGE_SHARED)) {
if (!llvmpipe_displaytarget_layout(screen, lpt))
goto fail;
}
@@ -142,43 +143,6 @@ llvmpipe_texture_create(struct pipe_screen *_screen,
}
-static struct pipe_texture *
-llvmpipe_texture_blanket(struct pipe_screen * screen,
- const struct pipe_texture *base,
- const unsigned *stride,
- struct pipe_buffer *buffer)
-{
- /* FIXME */
-#if 0
- struct llvmpipe_texture *lpt;
- assert(screen);
-
- /* Only supports one type */
- if (base->target != PIPE_TEXTURE_2D ||
- base->last_level != 0 ||
- base->depth0 != 1) {
- return NULL;
- }
-
- lpt = CALLOC_STRUCT(llvmpipe_texture);
- if (!lpt)
- return NULL;
-
- lpt->base = *base;
- pipe_reference_init(&lpt->base.reference, 1);
- lpt->base.screen = screen;
- lpt->stride[0] = stride[0];
-
- pipe_buffer_reference(&lpt->buffer, buffer);
-
- return &lpt->base;
-#else
- debug_printf("llvmpipe_texture_blanket() not implemented!");
- return NULL;
-#endif
-}
-
-
static void
llvmpipe_texture_destroy(struct pipe_texture *pt)
{
@@ -408,7 +372,6 @@ void
llvmpipe_init_screen_texture_funcs(struct pipe_screen *screen)
{
screen->texture_create = llvmpipe_texture_create;
- screen->texture_blanket = llvmpipe_texture_blanket;
screen->texture_destroy = llvmpipe_texture_destroy;
screen->get_tex_surface = llvmpipe_get_tex_surface;
diff --git a/src/gallium/drivers/llvmpipe/lp_texture.h b/src/gallium/drivers/llvmpipe/lp_texture.h
index 6a6d9f9222..b23f929b16 100644
--- a/src/gallium/drivers/llvmpipe/lp_texture.h
+++ b/src/gallium/drivers/llvmpipe/lp_texture.h
@@ -32,6 +32,10 @@
#include "pipe/p_state.h"
+#define LP_MAX_TEXTURE_2D_LEVELS 13 /* 4K x 4K for now */
+#define LP_MAX_TEXTURE_3D_LEVELS 10 /* 512 x 512 x 512 for now */
+
+
struct pipe_context;
struct pipe_screen;
struct llvmpipe_context;
@@ -43,8 +47,8 @@ struct llvmpipe_texture
{
struct pipe_texture base;
- unsigned long level_offset[PIPE_MAX_TEXTURE_LEVELS];
- unsigned stride[PIPE_MAX_TEXTURE_LEVELS];
+ unsigned long level_offset[LP_MAX_TEXTURE_2D_LEVELS];
+ unsigned stride[LP_MAX_TEXTURE_2D_LEVELS];
/**
* Display target, for textures with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET