gallivm,llvmpipe: handle TXF (texelFetch) instruction, including offsets

[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 ed4282937f88859aea7ffe416395e1c6a67a86ee..0bd5c4aa050d2151fdb669d4c6537be0bb687f1e 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.c
@@ -149,10 +149,12 @@ lp_llvm_texture_member(const struct lp_sampler_dynamic_state *base,
 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(base_ptr,   LP_JIT_TEXTURE_BASE, 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(mip_offsets, LP_JIT_TEXTURE_MIP_OFFSETS, 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)
@@ -174,11 +176,11 @@ static void
 lp_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base,
                                      struct gallivm_state *gallivm,
                                      struct lp_type type,
+                                     boolean is_fetch,
                                      unsigned unit,
-                                     unsigned num_coords,
                                      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)
@@ -188,7 +190,7 @@ lp_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base,
    assert(unit < PIPE_MAX_SAMPLERS);
    
    if (LP_PERF & PERF_NO_TEX) {
-      lp_build_sample_nop(gallivm, type, texel);
+      lp_build_sample_nop(gallivm, type, coords, texel);
       return;
    }
 
@@ -196,13 +198,39 @@ lp_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base,
                        &sampler->dynamic_state.static_state[unit],
                        &sampler->dynamic_state.base,
                        type,
+                       is_fetch,
                        unit,
-                       num_coords, coords,
-                       ddx, ddy,
+                       coords,
+                       offsets,
+                       derivs,
                        lod_bias, explicit_lod,
                        texel);
 }
 
+/**
+ * Fetch the texture size.
+ */
+static void
+lp_llvm_sampler_soa_emit_size_query(const struct lp_build_sampler_soa *base,
+                                    struct gallivm_state *gallivm,
+                                    struct lp_type type,
+                                    unsigned unit,
+                                    LLVMValueRef explicit_lod, /* optional */
+                                    LLVMValueRef *sizes_out)
+{
+   struct lp_llvm_sampler_soa *sampler = (struct lp_llvm_sampler_soa *)base;
+
+   assert(unit < PIPE_MAX_SAMPLERS);
+   
+   lp_build_size_query_soa(gallivm,
+                          &sampler->dynamic_state.static_state[unit],
+                          &sampler->dynamic_state.base,
+                           type,
+                          unit,
+                          explicit_lod,
+                          sizes_out);
+}
+
 
 struct lp_build_sampler_soa *
 lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
@@ -216,13 +244,16 @@ lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
 
    sampler->base.destroy = lp_llvm_sampler_soa_destroy;
    sampler->base.emit_fetch_texel = lp_llvm_sampler_soa_emit_fetch_texel;
+   sampler->base.emit_size_query = lp_llvm_sampler_soa_emit_size_query;
    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.base_ptr = lp_llvm_texture_base_ptr;
    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.mip_offsets = lp_llvm_texture_mip_offsets;
    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;