gallium: Add a new clip_halfz rasterizer state.
[mesa.git] / src / gallium / auxiliary / draw / draw_llvm_sample.c
index e9811010db07e0d1a124f17a574aab9400d8c680..e51e01101f6f7f19b73bf8674912589b9f59684b 100644 (file)
@@ -32,6 +32,7 @@
 
 #include "pipe/p_defines.h"
 #include "pipe/p_shader_tokens.h"
+#include "gallivm/lp_bld_const.h"
 #include "gallivm/lp_bld_debug.h"
 #include "gallivm/lp_bld_type.h"
 #include "gallivm/lp_bld_sample.h"
@@ -57,7 +58,7 @@ struct draw_llvm_sampler_dynamic_state
 {
    struct lp_sampler_dynamic_state base;
 
-   const struct lp_sampler_static_state *static_state;
+   const struct draw_sampler_static_state *static_state;
 
    LLVMValueRef context_ptr;
 };
@@ -84,28 +85,29 @@ struct draw_llvm_sampler_soa
  */
 static LLVMValueRef
 draw_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
-                         LLVMBuilderRef builder,
-                         unsigned unit,
+                         struct gallivm_state *gallivm,
+                         unsigned texture_unit,
                          unsigned member_index,
                          const char *member_name,
                          boolean emit_load)
 {
+   LLVMBuilderRef builder = gallivm->builder;
    struct draw_llvm_sampler_dynamic_state *state =
       (struct draw_llvm_sampler_dynamic_state *)base;
    LLVMValueRef indices[4];
    LLVMValueRef ptr;
    LLVMValueRef res;
 
-   debug_assert(unit < PIPE_MAX_VERTEX_SAMPLERS);
+   debug_assert(texture_unit < PIPE_MAX_SHADER_SAMPLER_VIEWS);
 
    /* context[0] */
-   indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0);
+   indices[0] = lp_build_const_int32(gallivm, 0);
    /* context[0].textures */
-   indices[1] = LLVMConstInt(LLVMInt32Type(), DRAW_JIT_CTX_TEXTURES, 0);
+   indices[1] = lp_build_const_int32(gallivm, DRAW_JIT_CTX_TEXTURES);
    /* context[0].textures[unit] */
-   indices[2] = LLVMConstInt(LLVMInt32Type(), unit, 0);
+   indices[2] = lp_build_const_int32(gallivm, texture_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), "");
 
@@ -114,7 +116,54 @@ draw_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
    else
       res = ptr;
 
-   lp_build_name(res, "context.texture%u.%s", unit, member_name);
+   lp_build_name(res, "context.texture%u.%s", texture_unit, member_name);
+
+   return res;
+}
+
+
+/**
+ * Fetch the specified member of the lp_jit_sampler 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
+ */
+static LLVMValueRef
+draw_llvm_sampler_member(const struct lp_sampler_dynamic_state *base,
+                         struct gallivm_state *gallivm,
+                         unsigned sampler_unit,
+                         unsigned member_index,
+                         const char *member_name,
+                         boolean emit_load)
+{
+   LLVMBuilderRef builder = gallivm->builder;
+   struct draw_llvm_sampler_dynamic_state *state =
+      (struct draw_llvm_sampler_dynamic_state *)base;
+   LLVMValueRef indices[4];
+   LLVMValueRef ptr;
+   LLVMValueRef res;
+
+   debug_assert(sampler_unit < PIPE_MAX_SAMPLERS);
+
+   /* context[0] */
+   indices[0] = lp_build_const_int32(gallivm, 0);
+   /* context[0].samplers */
+   indices[1] = lp_build_const_int32(gallivm, DRAW_JIT_CTX_SAMPLERS);
+   /* context[0].samplers[unit] */
+   indices[2] = lp_build_const_int32(gallivm, sampler_unit);
+   /* context[0].samplers[unit].member */
+   indices[3] = lp_build_const_int32(gallivm, member_index);
+
+   ptr = LLVMBuildGEP(builder, state->context_ptr, indices, Elements(indices), "");
+
+   if (emit_load)
+      res = LLVMBuildLoad(builder, ptr, "");
+   else
+      res = ptr;
+
+   lp_build_name(res, "context.sampler%u.%s", sampler_unit, member_name);
 
    return res;
 }
@@ -132,20 +181,38 @@ draw_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
 #define DRAW_LLVM_TEXTURE_MEMBER(_name, _index, _emit_load)  \
    static LLVMValueRef \
    draw_llvm_texture_##_name( const struct lp_sampler_dynamic_state *base, \
-                              LLVMBuilderRef builder,                   \
-                              unsigned unit)                            \
+                              struct gallivm_state *gallivm,               \
+                              unsigned texture_unit)                       \
    { \
-      return draw_llvm_texture_member(base, builder, unit, _index, #_name, _emit_load ); \
+      return draw_llvm_texture_member(base, gallivm, texture_unit, _index, #_name, _emit_load ); \
    }
 
 
 DRAW_LLVM_TEXTURE_MEMBER(width,      DRAW_JIT_TEXTURE_WIDTH, TRUE)
 DRAW_LLVM_TEXTURE_MEMBER(height,     DRAW_JIT_TEXTURE_HEIGHT, TRUE)
 DRAW_LLVM_TEXTURE_MEMBER(depth,      DRAW_JIT_TEXTURE_DEPTH, TRUE)
+DRAW_LLVM_TEXTURE_MEMBER(first_level,DRAW_JIT_TEXTURE_FIRST_LEVEL, TRUE)
 DRAW_LLVM_TEXTURE_MEMBER(last_level, DRAW_JIT_TEXTURE_LAST_LEVEL, TRUE)
+DRAW_LLVM_TEXTURE_MEMBER(base_ptr,   DRAW_JIT_TEXTURE_BASE, TRUE)
 DRAW_LLVM_TEXTURE_MEMBER(row_stride, DRAW_JIT_TEXTURE_ROW_STRIDE, FALSE)
 DRAW_LLVM_TEXTURE_MEMBER(img_stride, DRAW_JIT_TEXTURE_IMG_STRIDE, FALSE)
-DRAW_LLVM_TEXTURE_MEMBER(data_ptr,   DRAW_JIT_TEXTURE_DATA, FALSE)
+DRAW_LLVM_TEXTURE_MEMBER(mip_offsets, DRAW_JIT_TEXTURE_MIP_OFFSETS, FALSE)
+
+
+#define DRAW_LLVM_SAMPLER_MEMBER(_name, _index, _emit_load)  \
+   static LLVMValueRef \
+   draw_llvm_sampler_##_name( const struct lp_sampler_dynamic_state *base, \
+                              struct gallivm_state *gallivm,               \
+                              unsigned sampler_unit)                       \
+   { \
+      return draw_llvm_sampler_member(base, gallivm, sampler_unit, _index, #_name, _emit_load ); \
+   }
+
+
+DRAW_LLVM_SAMPLER_MEMBER(min_lod,    DRAW_JIT_SAMPLER_MIN_LOD, TRUE)
+DRAW_LLVM_SAMPLER_MEMBER(max_lod,    DRAW_JIT_SAMPLER_MAX_LOD, TRUE)
+DRAW_LLVM_SAMPLER_MEMBER(lod_bias,   DRAW_JIT_SAMPLER_LOD_BIAS, TRUE)
+DRAW_LLVM_SAMPLER_MEMBER(border_color, DRAW_JIT_SAMPLER_BORDER_COLOR, FALSE)
 
 
 static void
@@ -161,35 +228,67 @@ draw_llvm_sampler_soa_destroy(struct lp_build_sampler_soa *sampler)
  */
 static void
 draw_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base,
-                                       LLVMBuilderRef builder,
+                                       struct gallivm_state *gallivm,
                                        struct lp_type type,
-                                       unsigned unit,
-                                       unsigned num_coords,
+                                       boolean is_fetch,
+                                       unsigned texture_index,
+                                       unsigned sampler_index,
                                        const LLVMValueRef *coords,
-                                       const LLVMValueRef *ddx,
-                                       const LLVMValueRef *ddy,
+                                       const LLVMValueRef *offsets,
+                                       const struct lp_derivatives *derivs,
                                        LLVMValueRef lod_bias, /* optional */
                                        LLVMValueRef explicit_lod, /* optional */
                                        LLVMValueRef *texel)
 {
    struct draw_llvm_sampler_soa *sampler = (struct draw_llvm_sampler_soa *)base;
 
-   assert(unit < PIPE_MAX_VERTEX_SAMPLERS);
+   assert(texture_index < PIPE_MAX_SHADER_SAMPLER_VIEWS);
+   assert(sampler_index < PIPE_MAX_SAMPLERS);
 
-   lp_build_sample_soa(builder,
-                       &sampler->dynamic_state.static_state[unit],
+   lp_build_sample_soa(gallivm,
+                       &sampler->dynamic_state.static_state[texture_index].texture_state,
+                       &sampler->dynamic_state.static_state[sampler_index].sampler_state,
                        &sampler->dynamic_state.base,
                        type,
-                       unit,
-                       num_coords, coords,
-                       ddx, ddy,
+                       is_fetch,
+                       texture_index,
+                       sampler_index,
+                       coords,
+                       offsets,
+                       derivs,
                        lod_bias, explicit_lod,
                        texel);
 }
 
 
+/**
+ * Fetch the texture size.
+ */
+static void
+draw_llvm_sampler_soa_emit_size_query(const struct lp_build_sampler_soa *base,
+                                      struct gallivm_state *gallivm,
+                                      struct lp_type type,
+                                      unsigned texture_unit,
+                                      boolean need_nr_mips,
+                                      LLVMValueRef explicit_lod, /* optional */
+                                      LLVMValueRef *sizes_out)
+{
+   struct draw_llvm_sampler_soa *sampler = (struct draw_llvm_sampler_soa *)base;
+
+   assert(texture_unit < PIPE_MAX_SHADER_SAMPLER_VIEWS);
+
+   lp_build_size_query_soa(gallivm,
+                           &sampler->dynamic_state.static_state[texture_unit].texture_state,
+                           &sampler->dynamic_state.base,
+                           type,
+                           texture_unit,
+                           need_nr_mips,
+                           explicit_lod,
+                           sizes_out);
+}
+
 struct lp_build_sampler_soa *
-draw_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
+draw_llvm_sampler_soa_create(const struct draw_sampler_static_state *static_state,
                              LLVMValueRef context_ptr)
 {
    struct draw_llvm_sampler_soa *sampler;
@@ -200,13 +299,20 @@ draw_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
 
    sampler->base.destroy = draw_llvm_sampler_soa_destroy;
    sampler->base.emit_fetch_texel = draw_llvm_sampler_soa_emit_fetch_texel;
+   sampler->base.emit_size_query = draw_llvm_sampler_soa_emit_size_query;
    sampler->dynamic_state.base.width = draw_llvm_texture_width;
    sampler->dynamic_state.base.height = draw_llvm_texture_height;
    sampler->dynamic_state.base.depth = draw_llvm_texture_depth;
+   sampler->dynamic_state.base.first_level = draw_llvm_texture_first_level;
    sampler->dynamic_state.base.last_level = draw_llvm_texture_last_level;
    sampler->dynamic_state.base.row_stride = draw_llvm_texture_row_stride;
    sampler->dynamic_state.base.img_stride = draw_llvm_texture_img_stride;
-   sampler->dynamic_state.base.data_ptr = draw_llvm_texture_data_ptr;
+   sampler->dynamic_state.base.base_ptr = draw_llvm_texture_base_ptr;
+   sampler->dynamic_state.base.mip_offsets = draw_llvm_texture_mip_offsets;
+   sampler->dynamic_state.base.min_lod = draw_llvm_sampler_min_lod;
+   sampler->dynamic_state.base.max_lod = draw_llvm_sampler_max_lod;
+   sampler->dynamic_state.base.lod_bias = draw_llvm_sampler_lod_bias;
+   sampler->dynamic_state.base.border_color = draw_llvm_sampler_border_color;
    sampler->dynamic_state.static_state = static_state;
    sampler->dynamic_state.context_ptr = context_ptr;