114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*
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* Copyright (c) 2012-2015 Etnaviv Project
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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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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* 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Wladimir J. van der Laan <laanwj@gmail.com>
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*/
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#ifndef H_ETNAVIV_SHADER
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#define H_ETNAVIV_SHADER
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#include "mesa/main/config.h"
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#include "nir.h"
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#include "pipe/p_state.h"
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#include "util/disk_cache.h"
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#include "util/u_queue.h"
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struct etna_context;
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struct etna_shader_variant;
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struct nir_shader;
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struct etna_shader_key
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{
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union {
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struct {
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/*
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* Combined Vertex/Fragment shader parameters:
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*/
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/* do we need to swap rb in frag color? */
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unsigned frag_rb_swap : 1;
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/* do we need to invert front facing value? */
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unsigned front_ccw : 1;
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/* do we need to replace glTexCoord.xy ? */
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unsigned sprite_coord_enable : MAX_TEXTURE_COORD_UNITS;
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unsigned sprite_coord_yinvert : 1;
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/* do we need to lower sample_tex_compare */
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unsigned has_sample_tex_compare : 1;
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};
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uint32_t global;
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};
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int num_texture_states;
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nir_lower_tex_shadow_swizzle tex_swizzle[PIPE_MAX_SHADER_SAMPLER_VIEWS];
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enum compare_func tex_compare_func[PIPE_MAX_SHADER_SAMPLER_VIEWS];
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};
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static inline bool
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etna_shader_key_equal(struct etna_shader_key *a, struct etna_shader_key *b)
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{
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/* slow-path if we need to check tex_{swizzle,compare_func} */
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if (unlikely(a->has_sample_tex_compare || b->has_sample_tex_compare))
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return memcmp(a, b, sizeof(struct etna_shader_key)) == 0;
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else
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return a->global == b->global;
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}
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struct etna_shader {
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/* shader id (for debug): */
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uint32_t id;
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uint32_t variant_count;
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struct tgsi_token *tokens;
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struct nir_shader *nir;
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const struct etna_specs *specs;
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struct etna_compiler *compiler;
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struct etna_shader_variant *variants;
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cache_key cache_key; /* shader disk-cache key */
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/* parallel shader compiles */
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struct util_queue_fence ready;
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};
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bool
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etna_shader_link(struct etna_context *ctx);
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bool
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etna_shader_update_vertex(struct etna_context *ctx);
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struct etna_shader_variant *
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etna_shader_variant(struct etna_shader *shader, struct etna_shader_key key,
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struct util_debug_callback *debug);
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void
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etna_shader_init(struct pipe_context *pctx);
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bool
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etna_shader_screen_init(struct pipe_screen *pscreen);
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void
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etna_shader_screen_fini(struct pipe_screen *pscreen);
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#endif
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