llvmpipe: Take the sampler view's first_level into account when sampling.

[mesa.git] / src / gallium / drivers / llvmpipe / lp_tex_sample.c

diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.c b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
index d3a9d39f6167375ead7bdd6cccb86e7353434176..ccc139603ee043e14b0d22e878924b0cac0db4cd 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
@@ -43,11 +43,13 @@
 #include "pipe/p_defines.h"
 #include "pipe/p_shader_tokens.h"
 #include "gallivm/lp_bld_debug.h"
+#include "gallivm/lp_bld_const.h"
 #include "gallivm/lp_bld_type.h"
 #include "gallivm/lp_bld_sample.h"
 #include "gallivm/lp_bld_tgsi.h"
 #include "lp_jit.h"
 #include "lp_tex_sample.h"
+#include "lp_debug.h"
 
 
 /**
@@ -87,8 +89,8 @@ struct lp_llvm_sampler_soa
  * @sa http://llvm.org/docs/GetElementPtr.html
  */
 static LLVMValueRef
-lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
-                       LLVMBuilderRef builder,
+lp_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
+                       struct gallivm_state *gallivm,
                        unsigned unit,
                        unsigned member_index,
                        const char *member_name,
@@ -96,6 +98,7 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
 {
    struct llvmpipe_sampler_dynamic_state *state =
       (struct llvmpipe_sampler_dynamic_state *)base;
+   LLVMBuilderRef builder = gallivm->builder;
    LLVMValueRef indices[4];
    LLVMValueRef ptr;
    LLVMValueRef res;
@@ -103,13 +106,13 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
    assert(unit < PIPE_MAX_SAMPLERS);
 
    /* context[0] */
-   indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0);
+   indices[0] = lp_build_const_int32(gallivm, 0);
    /* context[0].textures */
-   indices[1] = LLVMConstInt(LLVMInt32Type(), LP_JIT_CTX_TEXTURES, 0);
+   indices[1] = lp_build_const_int32(gallivm, LP_JIT_CTX_TEXTURES);
    /* context[0].textures[unit] */
-   indices[2] = LLVMConstInt(LLVMInt32Type(), unit, 0);
+   indices[2] = lp_build_const_int32(gallivm, unit);
    /* context[0].textures[unit].member */
-   indices[3] = LLVMConstInt(LLVMInt32Type(), member_index, 0);
+   indices[3] = lp_build_const_int32(gallivm, member_index);
 
    ptr = LLVMBuildGEP(builder, state->context_ptr, indices, Elements(indices), "");
 
@@ -135,21 +138,26 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
  */
 #define LP_LLVM_TEXTURE_MEMBER(_name, _index, _emit_load)  \
    static LLVMValueRef \
-   lp_llvm_texture_##_name( struct lp_sampler_dynamic_state *base, \
-                            LLVMBuilderRef builder, \
+   lp_llvm_texture_##_name( const struct lp_sampler_dynamic_state *base, \
+                            struct gallivm_state *gallivm, \
                             unsigned unit) \
    { \
-      return lp_llvm_texture_member(base, builder, unit, _index, #_name, _emit_load ); \
+      return lp_llvm_texture_member(base, gallivm, unit, _index, #_name, _emit_load ); \
    }
 
 
 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(first_level, LP_JIT_TEXTURE_FIRST_LEVEL, TRUE)
 LP_LLVM_TEXTURE_MEMBER(last_level, LP_JIT_TEXTURE_LAST_LEVEL, TRUE)
 LP_LLVM_TEXTURE_MEMBER(row_stride, LP_JIT_TEXTURE_ROW_STRIDE, FALSE)
 LP_LLVM_TEXTURE_MEMBER(img_stride, LP_JIT_TEXTURE_IMG_STRIDE, FALSE)
 LP_LLVM_TEXTURE_MEMBER(data_ptr,   LP_JIT_TEXTURE_DATA, FALSE)
+LP_LLVM_TEXTURE_MEMBER(min_lod,    LP_JIT_TEXTURE_MIN_LOD, TRUE)
+LP_LLVM_TEXTURE_MEMBER(max_lod,    LP_JIT_TEXTURE_MAX_LOD, TRUE)
+LP_LLVM_TEXTURE_MEMBER(lod_bias,   LP_JIT_TEXTURE_LOD_BIAS, TRUE)
+LP_LLVM_TEXTURE_MEMBER(border_color, LP_JIT_TEXTURE_BORDER_COLOR, FALSE)
 
 
 static void
@@ -164,8 +172,8 @@ lp_llvm_sampler_soa_destroy(struct lp_build_sampler_soa *sampler)
  * 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,
+lp_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base,
+                                     struct gallivm_state *gallivm,
                                      struct lp_type type,
                                      unsigned unit,
                                      unsigned num_coords,
@@ -179,8 +187,13 @@ lp_llvm_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *base,
    struct lp_llvm_sampler_soa *sampler = (struct lp_llvm_sampler_soa *)base;
 
    assert(unit < PIPE_MAX_SAMPLERS);
+   
+   if (LP_PERF & PERF_NO_TEX) {
+      lp_build_sample_nop(gallivm, type, texel);
+      return;
+   }
 
-   lp_build_sample_soa(builder,
+   lp_build_sample_soa(gallivm,
                        &sampler->dynamic_state.static_state[unit],
                        &sampler->dynamic_state.base,
                        type,
@@ -207,10 +220,16 @@ lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
    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.first_level = lp_llvm_texture_first_level;
    sampler->dynamic_state.base.last_level = lp_llvm_texture_last_level;
    sampler->dynamic_state.base.row_stride = lp_llvm_texture_row_stride;
    sampler->dynamic_state.base.img_stride = lp_llvm_texture_img_stride;
    sampler->dynamic_state.base.data_ptr = lp_llvm_texture_data_ptr;
+   sampler->dynamic_state.base.min_lod = lp_llvm_texture_min_lod;
+   sampler->dynamic_state.base.max_lod = lp_llvm_texture_max_lod;
+   sampler->dynamic_state.base.lod_bias = lp_llvm_texture_lod_bias;
+   sampler->dynamic_state.base.border_color = lp_llvm_texture_border_color;
+
    sampler->dynamic_state.static_state = static_state;
    sampler->dynamic_state.context_ptr = context_ptr;