struct lp_build_context;
+/**
+ * Helper struct holding all derivatives needed for sampling
+ */
+struct lp_derivatives
+{
+ LLVMValueRef ddx_ddy[2];
+};
+
+
/**
* Sampler static state.
*
unsigned compare_func:3;
unsigned normalized_coords:1;
unsigned min_max_lod_equal:1; /**< min_lod == max_lod ? */
+ unsigned lod_bias_non_zero:1;
+ unsigned apply_min_lod:1; /**< min_lod > 0 ? */
+ unsigned apply_max_lod:1; /**< max_lod < last_level ? */
+
+ /* Hacks */
+ unsigned force_nearest_s:1;
+ unsigned force_nearest_t:1;
};
/** Obtain the base texture width (returns int32) */
LLVMValueRef
(*width)( const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder,
+ struct gallivm_state *gallivm,
unsigned unit);
/** Obtain the base texture height (returns int32) */
LLVMValueRef
(*height)( const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder,
+ struct gallivm_state *gallivm,
unsigned unit);
/** Obtain the base texture depth (returns int32) */
LLVMValueRef
(*depth)( const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder,
+ struct gallivm_state *gallivm,
unsigned unit);
+ /** Obtain the first mipmap level (base level) (returns int32) */
+ LLVMValueRef
+ (*first_level)( const struct lp_sampler_dynamic_state *state,
+ struct gallivm_state *gallivm,
+ unsigned unit);
+
/** Obtain the number of mipmap levels minus one (returns int32) */
LLVMValueRef
(*last_level)( const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder,
+ struct gallivm_state *gallivm,
unsigned unit);
/** Obtain stride in bytes between image rows/blocks (returns int32) */
LLVMValueRef
(*row_stride)( const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder,
+ struct gallivm_state *gallivm,
unsigned unit);
/** Obtain stride in bytes between image slices (returns int32) */
LLVMValueRef
(*img_stride)( const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder,
+ struct gallivm_state *gallivm,
unsigned unit);
- /** Obtain pointer to array of pointers to mimpap levels */
+ /** Obtain pointer to base of texture */
LLVMValueRef
- (*data_ptr)( const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder,
+ (*base_ptr)( const struct lp_sampler_dynamic_state *state,
+ struct gallivm_state *gallivm,
unsigned unit);
+ /** Obtain pointer to array of mipmap offsets */
+ LLVMValueRef
+ (*mip_offsets)( const struct lp_sampler_dynamic_state *state,
+ struct gallivm_state *gallivm,
+ unsigned unit);
+
/** Obtain texture min lod (returns float) */
LLVMValueRef
(*min_lod)(const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder, unsigned unit);
+ struct gallivm_state *gallivm, unsigned unit);
/** Obtain texture max lod (returns float) */
LLVMValueRef
(*max_lod)(const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder, unsigned unit);
+ struct gallivm_state *gallivm, unsigned unit);
/** Obtain texture lod bias (returns float) */
LLVMValueRef
(*lod_bias)(const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder, unsigned unit);
+ struct gallivm_state *gallivm, unsigned unit);
/** Obtain texture border color (returns ptr to float[4]) */
LLVMValueRef
(*border_color)(const struct lp_sampler_dynamic_state *state,
- LLVMBuilderRef builder, unsigned unit);
+ struct gallivm_state *gallivm, unsigned unit);
};
*/
struct lp_build_sample_context
{
- LLVMBuilderRef builder;
+ struct gallivm_state *gallivm;
const struct lp_sampler_static_state *static_state;
const struct util_format_description *format_desc;
+ /* See texture_dims() */
+ unsigned dims;
+
+ /** SIMD vector width */
+ unsigned vector_width;
+
+ /** number of lod values (valid are 1, length/4, length) */
+ unsigned num_lods;
+
/** regular scalar float type */
struct lp_type float_type;
struct lp_build_context float_bld;
/** float vector type */
struct lp_build_context float_vec_bld;
- /** regular scalar float type */
+ /** regular scalar int type */
struct lp_type int_type;
struct lp_build_context int_bld;
struct lp_type coord_type;
struct lp_build_context coord_bld;
- /** Unsigned integer coordinates */
- struct lp_type uint_coord_type;
- struct lp_build_context uint_coord_bld;
-
/** Signed integer coordinates */
struct lp_type int_coord_type;
struct lp_build_context int_coord_bld;
+ /** Unsigned integer texture size */
+ struct lp_type int_size_in_type;
+ struct lp_build_context int_size_in_bld;
+
+ /** Float incoming texture size */
+ struct lp_type float_size_in_type;
+ struct lp_build_context float_size_in_bld;
+
+ /** Unsigned integer texture size (might be per quad) */
+ struct lp_type int_size_type;
+ struct lp_build_context int_size_bld;
+
+ /** Float texture size (might be per quad) */
+ struct lp_type float_size_type;
+ struct lp_build_context float_size_bld;
+
/** Output texels type and build context */
struct lp_type texel_type;
struct lp_build_context texel_bld;
+
+ /** Float per-quad type */
+ struct lp_type perquadf_type;
+ struct lp_build_context perquadf_bld;
+
+ /** Int per-quad type */
+ struct lp_type perquadi_type;
+ struct lp_build_context perquadi_bld;
+
+ /* Common dynamic state values */
+ LLVMValueRef row_stride_array;
+ LLVMValueRef img_stride_array;
+ LLVMValueRef base_ptr;
+ LLVMValueRef mip_offsets;
+
+ /** Integer vector with texture width, height, depth */
+ LLVMValueRef int_size;
};
lp_build_swizzle_soa_inplace(&bld->texel_bld, texel, swizzles);
}
-
-static INLINE int
+/*
+ * not really dimension as such, this indicates the amount of
+ * "normal" texture coords subject to minification, wrapping etc.
+ */
+static INLINE unsigned
texture_dims(enum pipe_texture_target tex)
{
switch (tex) {
case PIPE_TEXTURE_1D:
+ case PIPE_TEXTURE_1D_ARRAY:
+ case PIPE_BUFFER:
return 1;
case PIPE_TEXTURE_2D:
+ case PIPE_TEXTURE_2D_ARRAY:
case PIPE_TEXTURE_RECT:
case PIPE_TEXTURE_CUBE:
return 2;
const struct pipe_sampler_state *sampler);
-LLVMValueRef
+void
lp_build_lod_selector(struct lp_build_sample_context *bld,
unsigned unit,
- const LLVMValueRef ddx[4],
- const LLVMValueRef ddy[4],
+ const struct lp_derivatives *derivs,
LLVMValueRef lod_bias, /* optional */
LLVMValueRef explicit_lod, /* optional */
- LLVMValueRef width,
- LLVMValueRef height,
- LLVMValueRef depth);
+ unsigned mip_filter,
+ LLVMValueRef *out_lod_ipart,
+ LLVMValueRef *out_lod_fpart);
void
lp_build_nearest_mip_level(struct lp_build_sample_context *bld,
void
lp_build_linear_mip_levels(struct lp_build_sample_context *bld,
unsigned unit,
- LLVMValueRef lod,
+ LLVMValueRef lod_ipart,
+ LLVMValueRef *lod_fpart_inout,
LLVMValueRef *level0_out,
- LLVMValueRef *level1_out,
- LLVMValueRef *weight_out);
+ LLVMValueRef *level1_out);
LLVMValueRef
lp_build_get_mipmap_level(struct lp_build_sample_context *bld,
- LLVMValueRef data_array, LLVMValueRef level);
+ LLVMValueRef level);
+
LLVMValueRef
-lp_build_get_const_mipmap_level(struct lp_build_sample_context *bld,
- LLVMValueRef data_array, int level);
+lp_build_get_mip_offsets(struct lp_build_sample_context *bld,
+ LLVMValueRef level);
void
lp_build_mipmap_level_sizes(struct lp_build_sample_context *bld,
- unsigned dims,
- LLVMValueRef width_vec,
- LLVMValueRef height_vec,
- LLVMValueRef depth_vec,
- LLVMValueRef ilevel0,
- LLVMValueRef ilevel1,
- LLVMValueRef row_stride_array,
- LLVMValueRef img_stride_array,
- LLVMValueRef *width0_vec,
- LLVMValueRef *width1_vec,
- LLVMValueRef *height0_vec,
- LLVMValueRef *height1_vec,
- LLVMValueRef *depth0_vec,
- LLVMValueRef *depth1_vec,
- LLVMValueRef *row_stride0_vec,
- LLVMValueRef *row_stride1_vec,
- LLVMValueRef *img_stride0_vec,
- LLVMValueRef *img_stride1_vec);
+ LLVMValueRef ilevel,
+ LLVMValueRef *out_size_vec,
+ LLVMValueRef *row_stride_vec,
+ LLVMValueRef *img_stride_vec);
+
+
+void
+lp_build_extract_image_sizes(struct lp_build_sample_context *bld,
+ struct lp_build_context *size_bld,
+ struct lp_type coord_type,
+ LLVMValueRef size,
+ LLVMValueRef *out_width,
+ LLVMValueRef *out_height,
+ LLVMValueRef *out_depth);
+
+
+void
+lp_build_unnormalized_coords(struct lp_build_sample_context *bld,
+ LLVMValueRef flt_size,
+ LLVMValueRef *s,
+ LLVMValueRef *t,
+ LLVMValueRef *r);
void
void
-lp_build_sample_soa(LLVMBuilderRef builder,
+lp_build_sample_soa(struct gallivm_state *gallivm,
const struct lp_sampler_static_state *static_state,
struct lp_sampler_dynamic_state *dynamic_state,
struct lp_type fp_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,
LLVMValueRef explicit_lod,
LLVMValueRef texel_out[4]);
+
+void
+lp_build_coord_repeat_npot_linear(struct lp_build_sample_context *bld,
+ LLVMValueRef coord_f,
+ LLVMValueRef length_i,
+ LLVMValueRef length_f,
+ LLVMValueRef *coord0_i,
+ LLVMValueRef *weight_f);
+
+
void
-lp_build_sample_nop(struct lp_type type,
+lp_build_size_query_soa(struct gallivm_state *gallivm,
+ const struct lp_sampler_static_state *static_state,
+ struct lp_sampler_dynamic_state *dynamic_state,
+ struct lp_type int_type,
+ unsigned unit,
+ LLVMValueRef explicit_lod,
+ LLVMValueRef *sizes_out);
+
+void
+lp_build_sample_nop(struct gallivm_state *gallivm,
+ struct lp_type type,
+ const LLVMValueRef *coords,
LLVMValueRef texel_out[4]);
+LLVMValueRef
+lp_build_minify(struct lp_build_context *bld,
+ LLVMValueRef base_size,
+ LLVMValueRef level);
+
+
#endif /* LP_BLD_SAMPLE_H */
projects / mesa.git / blobdiff