293 lines
8.4 KiB
C
293 lines
8.4 KiB
C
/**************************************************************************
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*
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* Copyright 2010 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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**************************************************************************/
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#ifndef LP_STATE_FS_H_
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#define LP_STATE_FS_H_
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#include "util/list.h"
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#include "pipe/p_compiler.h"
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#include "pipe/p_state.h"
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#include "tgsi/tgsi_scan.h" /* for tgsi_shader_info */
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#include "gallivm/lp_bld_sample.h" /* for struct lp_sampler_static_state */
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#include "gallivm/lp_bld_tgsi.h" /* for lp_tgsi_info */
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#include "lp_bld_interp.h" /* for struct lp_shader_input */
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#include "util/u_inlines.h"
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#include "lp_jit.h"
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struct tgsi_token;
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struct lp_fragment_shader;
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/** Indexes into jit_function[] array */
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#define RAST_WHOLE 0
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#define RAST_EDGE_TEST 1
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enum lp_fs_kind
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{
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LP_FS_KIND_GENERAL = 0,
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LP_FS_KIND_BLIT_RGBA,
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LP_FS_KIND_BLIT_RGB1,
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LP_FS_KIND_AERO_MINIFICATION,
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LP_FS_KIND_LLVM_LINEAR
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};
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struct lp_sampler_static_state
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{
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/*
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* These attributes are effectively interleaved for more sane key handling.
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* However, there might be lots of null space if the amount of samplers and
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* textures isn't the same.
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*/
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struct lp_static_sampler_state sampler_state;
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struct lp_static_texture_state texture_state;
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};
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struct lp_image_static_state
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{
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struct lp_static_texture_state image_state;
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};
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struct lp_depth_state
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{
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unsigned enabled:1; /**< depth test enabled? */
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unsigned writemask:1; /**< allow depth buffer writes? */
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unsigned func:3; /**< depth test func (PIPE_FUNC_x) */
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};
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struct lp_fragment_shader_variant_key
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{
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struct lp_depth_state depth;
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struct pipe_stencil_state stencil[2];
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struct pipe_blend_state blend;
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struct {
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unsigned enabled:1;
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unsigned func:3;
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} alpha;
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unsigned nr_cbufs:8;
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unsigned nr_samplers:8; /* actually derivable from just the shader */
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unsigned nr_sampler_views:8; /* actually derivable from just the shader */
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unsigned nr_images:8; /* actually derivable from just the shader */
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unsigned flatshade:1;
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unsigned occlusion_count:1;
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unsigned resource_1d:1;
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unsigned depth_clamp:1;
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unsigned multisample:1;
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unsigned no_ms_sample_mask_out:1;
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enum pipe_format zsbuf_format;
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enum pipe_format cbuf_format[PIPE_MAX_COLOR_BUFS];
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uint8_t cbuf_nr_samples[PIPE_MAX_COLOR_BUFS];
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uint8_t zsbuf_nr_samples;
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uint8_t coverage_samples;
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uint8_t min_samples;
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/* followed by variable number of samplers + images */
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};
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#define LP_FS_MAX_VARIANT_KEY_SIZE \
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(sizeof(struct lp_fragment_shader_variant_key) + \
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PIPE_MAX_SHADER_SAMPLER_VIEWS * sizeof(struct lp_sampler_static_state) +\
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PIPE_MAX_SHADER_IMAGES * sizeof(struct lp_image_static_state))
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static inline size_t
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lp_fs_variant_key_size(unsigned nr_samplers, unsigned nr_images)
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{
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return (sizeof(struct lp_fragment_shader_variant_key) +
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nr_samplers * sizeof(struct lp_sampler_static_state) +
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nr_images * sizeof(struct lp_image_static_state));
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}
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static inline struct lp_sampler_static_state *
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lp_fs_variant_key_samplers(const struct lp_fragment_shader_variant_key *key)
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{
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return (struct lp_sampler_static_state *)&(key[1]);
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}
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static inline struct lp_sampler_static_state *
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lp_fs_variant_key_sampler_idx(const struct lp_fragment_shader_variant_key *key, int idx)
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{
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if (idx >= key->nr_samplers)
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return NULL;
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return &lp_fs_variant_key_samplers(key)[idx];
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}
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static inline struct lp_image_static_state *
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lp_fs_variant_key_images(struct lp_fragment_shader_variant_key *key)
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{
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return (struct lp_image_static_state *)
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&(lp_fs_variant_key_samplers(key)[MAX2(key->nr_samplers, key->nr_sampler_views)]);
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}
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/** doubly-linked list item */
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struct lp_fs_variant_list_item
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{
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struct list_head list;
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struct lp_fragment_shader_variant *base;
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};
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struct lp_fragment_shader_variant
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{
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/*
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* Whether some primitives can be opaque.
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*/
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unsigned potentially_opaque:1;
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unsigned opaque:1;
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unsigned blit:1;
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unsigned linear_input_mask:16;
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struct pipe_reference reference;
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struct gallivm_state *gallivm;
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LLVMTypeRef jit_context_ptr_type;
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LLVMTypeRef jit_thread_data_ptr_type;
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LLVMTypeRef jit_linear_context_ptr_type;
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LLVMValueRef function[2]; // [RAST_WHOLE], [RAST_EDGE_TEST]
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lp_jit_frag_func jit_function[2]; // [RAST_WHOLE], [RAST_EDGE_TEST]
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lp_jit_linear_func jit_linear;
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lp_jit_linear_func jit_linear_blit;
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/* Functions within the linear path:
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*/
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LLVMValueRef linear_function;
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lp_jit_linear_llvm_func jit_linear_llvm;
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/* Bitmask to say what cbufs are unswizzled */
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unsigned unswizzled_cbufs;
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/* Total number of LLVM instructions generated */
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unsigned nr_instrs;
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struct lp_fs_variant_list_item list_item_global, list_item_local;
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struct lp_fragment_shader *shader;
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/* For debugging/profiling purposes */
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unsigned no;
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/* key is variable-sized, must be last */
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struct lp_fragment_shader_variant_key key;
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};
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/** Subclass of pipe_shader_state */
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struct lp_fragment_shader
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{
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struct pipe_shader_state base;
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struct pipe_reference reference;
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struct lp_tgsi_info info;
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/* Analysis results */
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enum lp_fs_kind kind;
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struct lp_fs_variant_list_item variants;
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struct draw_fragment_shader *draw_data;
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/* For debugging/profiling purposes */
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unsigned variant_key_size;
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unsigned no;
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unsigned variants_created;
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unsigned variants_cached;
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/** Fragment shader input interpolation info */
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struct lp_shader_input inputs[PIPE_MAX_SHADER_INPUTS];
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};
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void
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llvmpipe_fs_analyse_nir(struct lp_fragment_shader *shader);
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void
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llvmpipe_fs_analyse(struct lp_fragment_shader *shader,
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const struct tgsi_token *tokens);
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void
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llvmpipe_fs_variant_fastpath(struct lp_fragment_shader_variant *variant);
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void
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llvmpipe_fs_variant_linear_fastpath(struct lp_fragment_shader_variant *variant);
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void
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llvmpipe_fs_variant_linear_llvm(struct llvmpipe_context *lp,
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struct lp_fragment_shader *shader,
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struct lp_fragment_shader_variant *variant);
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void
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lp_debug_fs_variant(struct lp_fragment_shader_variant *variant);
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const char *
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lp_debug_fs_kind(enum lp_fs_kind kind);
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void
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lp_linear_check_variant(struct lp_fragment_shader_variant *variant);
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void
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llvmpipe_destroy_fs(struct llvmpipe_context *llvmpipe,
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struct lp_fragment_shader *shader);
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static inline void
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lp_fs_reference(struct llvmpipe_context *llvmpipe,
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struct lp_fragment_shader **ptr,
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struct lp_fragment_shader *shader)
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{
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struct lp_fragment_shader *old_ptr = *ptr;
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if (pipe_reference(old_ptr ? &(*ptr)->reference : NULL, shader ? &shader->reference : NULL)) {
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llvmpipe_destroy_fs(llvmpipe, old_ptr);
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}
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*ptr = shader;
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}
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void
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llvmpipe_destroy_shader_variant(struct llvmpipe_context *lp,
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struct lp_fragment_shader_variant *variant);
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static inline void
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lp_fs_variant_reference(struct llvmpipe_context *llvmpipe,
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struct lp_fragment_shader_variant **ptr,
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struct lp_fragment_shader_variant *variant)
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{
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struct lp_fragment_shader_variant *old_ptr = *ptr;
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if (pipe_reference(old_ptr ? &(*ptr)->reference : NULL, variant ? &variant->reference : NULL)) {
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llvmpipe_destroy_shader_variant(llvmpipe, old_ptr);
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}
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*ptr = variant;
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}
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#endif /* LP_STATE_FS_H_ */
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