X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Fgallivm%2Flp_bld_sample.h;h=ddd450b7be93dadbfbb3aec15147cf4e05732522;hb=95e03914d82f4a3722cda00cd6eda54a6f328a73;hp=8c1af95c506bfa879c074145d6705230b981431c;hpb=1318848f782cce716d6376ca13aebf68b728e24c;p=mesa.git diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample.h b/src/gallium/auxiliary/gallivm/lp_bld_sample.h index 8c1af95c506..ddd450b7be9 100644 --- a/src/gallium/auxiliary/gallivm/lp_bld_sample.h +++ b/src/gallium/auxiliary/gallivm/lp_bld_sample.h @@ -36,7 +36,12 @@ #define LP_BLD_SAMPLE_H +#include "pipe/p_format.h" +#include "util/u_debug.h" #include "gallivm/lp_bld.h" +#include "gallivm/lp_bld_type.h" +#include "gallivm/lp_bld_swizzle.h" + struct pipe_resource; struct pipe_sampler_view; @@ -46,6 +51,15 @@ struct lp_type; struct lp_build_context; +/** + * Helper struct holding all derivatives needed for sampling + */ +struct lp_derivatives +{ + LLVMValueRef ddx_ddy[2]; +}; + + /** * Sampler static state. * @@ -54,10 +68,16 @@ struct lp_build_context; */ struct lp_sampler_static_state { - /* pipe_texture's state */ + /* pipe_sampler_view's state */ enum pipe_format format; - unsigned target:3; - unsigned pot_width:1; + unsigned swizzle_r:3; /**< PIPE_SWIZZLE_* */ + unsigned swizzle_g:3; + unsigned swizzle_b:3; + unsigned swizzle_a:3; + + /* pipe_texture's state */ + unsigned target:3; /**< PIPE_TEXTURE_* */ + unsigned pot_width:1; /**< is the width a power of two? */ unsigned pot_height:1; unsigned pot_depth:1; @@ -71,8 +91,14 @@ struct lp_sampler_static_state unsigned compare_mode:1; unsigned compare_func:3; unsigned normalized_coords:1; - float lod_bias, min_lod, max_lod; - float border_color[4]; + 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; }; @@ -89,43 +115,225 @@ struct lp_sampler_static_state struct lp_sampler_dynamic_state { - /** Obtain the base texture width. */ + /** Obtain the base texture width (returns int32) */ LLVMValueRef - (*width)( struct lp_sampler_dynamic_state *state, - LLVMBuilderRef builder, + (*width)( const struct lp_sampler_dynamic_state *state, + struct gallivm_state *gallivm, unsigned unit); - /** Obtain the base texture height. */ + /** Obtain the base texture height (returns int32) */ LLVMValueRef - (*height)( struct lp_sampler_dynamic_state *state, - LLVMBuilderRef builder, + (*height)( const struct lp_sampler_dynamic_state *state, + struct gallivm_state *gallivm, unsigned unit); - /** Obtain the base texture depth. */ + /** Obtain the base texture depth (returns int32) */ LLVMValueRef - (*depth)( struct lp_sampler_dynamic_state *state, - LLVMBuilderRef builder, + (*depth)( const struct lp_sampler_dynamic_state *state, + struct gallivm_state *gallivm, unsigned unit); - /** Obtain the number of mipmap levels (minus one). */ + /** 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)( struct lp_sampler_dynamic_state *state, - LLVMBuilderRef builder, + (*last_level)( const struct lp_sampler_dynamic_state *state, + struct gallivm_state *gallivm, unsigned unit); + /** Obtain stride in bytes between image rows/blocks (returns int32) */ LLVMValueRef - (*row_stride)( struct lp_sampler_dynamic_state *state, - LLVMBuilderRef builder, + (*row_stride)( const struct lp_sampler_dynamic_state *state, + struct gallivm_state *gallivm, unsigned unit); + /** Obtain stride in bytes between image slices (returns int32) */ LLVMValueRef - (*data_ptr)( struct lp_sampler_dynamic_state *state, - LLVMBuilderRef builder, + (*img_stride)( const struct lp_sampler_dynamic_state *state, + struct gallivm_state *gallivm, + unsigned unit); + + /** Obtain pointer to base of texture */ + LLVMValueRef + (*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, + struct gallivm_state *gallivm, unsigned unit); + + /** Obtain texture max lod (returns float) */ + LLVMValueRef + (*max_lod)(const struct lp_sampler_dynamic_state *state, + struct gallivm_state *gallivm, unsigned unit); + + /** Obtain texture lod bias (returns float) */ + LLVMValueRef + (*lod_bias)(const struct lp_sampler_dynamic_state *state, + 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, + struct gallivm_state *gallivm, unsigned unit); }; +/** + * Keep all information for sampling code generation in a single place. + */ +struct lp_build_sample_context +{ + struct gallivm_state *gallivm; + + const struct lp_sampler_static_state *static_state; + + struct lp_sampler_dynamic_state *dynamic_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 int type */ + struct lp_type int_type; + struct lp_build_context int_bld; + + /** Incoming coordinates type and build context */ + struct lp_type coord_type; + struct lp_build_context 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; +}; + + + +/** + * We only support a few wrap modes in lp_build_sample_wrap_linear_int() at + * this time. Return whether the given mode is supported by that function. + */ +static INLINE boolean +lp_is_simple_wrap_mode(unsigned mode) +{ + switch (mode) { + case PIPE_TEX_WRAP_REPEAT: + case PIPE_TEX_WRAP_CLAMP_TO_EDGE: + return TRUE; + default: + return FALSE; + } +} + + +static INLINE void +apply_sampler_swizzle(struct lp_build_sample_context *bld, + LLVMValueRef *texel) +{ + unsigned char swizzles[4]; + + swizzles[0] = bld->static_state->swizzle_r; + swizzles[1] = bld->static_state->swizzle_g; + swizzles[2] = bld->static_state->swizzle_b; + swizzles[3] = bld->static_state->swizzle_a; + + lp_build_swizzle_soa_inplace(&bld->texel_bld, texel, swizzles); +} + +/* + * 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; + case PIPE_TEXTURE_3D: + return 3; + default: + assert(0 && "bad texture target in texture_dims()"); + return 2; + } +} + + +boolean +lp_sampler_wrap_mode_uses_border_color(unsigned mode, + unsigned min_img_filter, + unsigned mag_img_filter); + /** * Derive the sampler static state. */ @@ -135,36 +343,142 @@ lp_sampler_static_state(struct lp_sampler_static_state *state, const struct pipe_sampler_state *sampler); +void +lp_build_lod_selector(struct lp_build_sample_context *bld, + unsigned unit, + const struct lp_derivatives *derivs, + LLVMValueRef lod_bias, /* optional */ + LLVMValueRef explicit_lod, /* optional */ + unsigned mip_filter, + LLVMValueRef *out_lod_ipart, + LLVMValueRef *out_lod_fpart); + +void +lp_build_nearest_mip_level(struct lp_build_sample_context *bld, + unsigned unit, + LLVMValueRef lod, + LLVMValueRef *level_out); + +void +lp_build_linear_mip_levels(struct lp_build_sample_context *bld, + unsigned unit, + LLVMValueRef lod_ipart, + LLVMValueRef *lod_fpart_inout, + LLVMValueRef *level0_out, + LLVMValueRef *level1_out); + LLVMValueRef -lp_build_gather(LLVMBuilderRef builder, - unsigned length, - unsigned src_width, - unsigned dst_width, - LLVMValueRef base_ptr, - LLVMValueRef offsets); +lp_build_get_mipmap_level(struct lp_build_sample_context *bld, + LLVMValueRef level); LLVMValueRef +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, + 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 +lp_build_cube_lookup(struct lp_build_sample_context *bld, + LLVMValueRef s, + LLVMValueRef t, + LLVMValueRef r, + LLVMValueRef *face, + LLVMValueRef *face_s, + LLVMValueRef *face_t); + + +void +lp_build_sample_partial_offset(struct lp_build_context *bld, + unsigned block_length, + LLVMValueRef coord, + LLVMValueRef stride, + LLVMValueRef *out_offset, + LLVMValueRef *out_i); + + +void lp_build_sample_offset(struct lp_build_context *bld, const struct util_format_description *format_desc, LLVMValueRef x, LLVMValueRef y, LLVMValueRef z, LLVMValueRef y_stride, - LLVMValueRef z_stride); + LLVMValueRef z_stride, + LLVMValueRef *out_offset, + LLVMValueRef *out_i, + LLVMValueRef *out_j); 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, - LLVMValueRef lodbias, - LLVMValueRef *texel); + 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_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 */