src/gallium/drivers/swr/swr_context.h

   1 /****************************************************************************
   2  * Copyright (C) 2015 Intel Corporation.   All Rights Reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
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   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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  21  * IN THE SOFTWARE.
  22  ***************************************************************************/
  23
  24 #ifndef SWR_CONTEXT_H
  25 #define SWR_CONTEXT_H
  26
  27 #include "pipe/p_context.h"
  28 #include "pipe/p_state.h"
  29 #include "util/u_blitter.h"
  30 #include "jit_api.h"
  31 #include "swr_state.h"
  32 #include <unordered_map>
  33
  34 #define SWR_NEW_BLEND (1 << 0)
  35 #define SWR_NEW_RASTERIZER (1 << 1)
  36 #define SWR_NEW_DEPTH_STENCIL_ALPHA (1 << 2)
  37 #define SWR_NEW_SAMPLER (1 << 3)
  38 #define SWR_NEW_SAMPLER_VIEW (1 << 4)
  39 #define SWR_NEW_VS (1 << 5)
  40 #define SWR_NEW_FS (1 << 6)
  41 #define SWR_NEW_VSCONSTANTS (1 << 7)
  42 #define SWR_NEW_FSCONSTANTS (1 << 8)
  43 #define SWR_NEW_VERTEX (1 << 9)
  44 #define SWR_NEW_STIPPLE (1 << 10)
  45 #define SWR_NEW_SCISSOR (1 << 11)
  46 #define SWR_NEW_VIEWPORT (1 << 12)
  47 #define SWR_NEW_FRAMEBUFFER (1 << 13)
  48 #define SWR_NEW_CLIP (1 << 14)
  49 #define SWR_NEW_SO (1 << 15)
  50 #define SWR_NEW_ALL 0x0000ffff
  51
  52 namespace std
  53 {
  54 template <> struct hash<BLEND_COMPILE_STATE> {
  55    std::size_t operator()(const BLEND_COMPILE_STATE &k) const
  56    {
  57       return util_hash_crc32(&k, sizeof(k));
  58    }
  59 };
  60 };
  61
  62 struct swr_jit_texture {
  63    uint32_t width; // same as number of elements
  64    uint32_t height;
  65    uint32_t depth; // doubles as array size
  66    uint32_t first_level;
  67    uint32_t last_level;
  68    const uint8_t *base_ptr;
  69    uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
  70    uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
  71    uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
  72 };
  73
  74 struct swr_jit_sampler {
  75    float min_lod;
  76    float max_lod;
  77    float lod_bias;
  78    float border_color[4];
  79 };
  80
  81 struct swr_draw_context {
  82    const float *constantVS[PIPE_MAX_CONSTANT_BUFFERS];
  83    uint32_t num_constantsVS[PIPE_MAX_CONSTANT_BUFFERS];
  84    const float *constantFS[PIPE_MAX_CONSTANT_BUFFERS];
  85    uint32_t num_constantsFS[PIPE_MAX_CONSTANT_BUFFERS];
  86
  87    swr_jit_texture texturesVS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  88    swr_jit_sampler samplersVS[PIPE_MAX_SAMPLERS];
  89    swr_jit_texture texturesFS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  90    swr_jit_sampler samplersFS[PIPE_MAX_SAMPLERS];
  91
  92    float userClipPlanes[PIPE_MAX_CLIP_PLANES][4];
  93
  94    SWR_SURFACE_STATE renderTargets[SWR_NUM_ATTACHMENTS];
  95    void *swr_ctx;
  96 };
  97
  98 /* gen_llvm_types FINI */
  99
 100 struct swr_context {
 101    struct pipe_context pipe; /**< base class */
 102
 103    HANDLE swrContext;
 104
 105    /** Constant state objects */
 106    struct swr_blend_state *blend;
 107    struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 108    struct pipe_depth_stencil_alpha_state *depth_stencil;
 109    struct pipe_rasterizer_state *rasterizer;
 110
 111    struct swr_vertex_shader *vs;
 112    struct swr_fragment_shader *fs;
 113    struct swr_vertex_element_state *velems;
 114
 115    /** Other rendering state */
 116    struct pipe_blend_color blend_color;
 117    struct pipe_stencil_ref stencil_ref;
 118    struct pipe_clip_state clip;
 119    struct pipe_constant_buffer
 120       constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
 121    struct pipe_framebuffer_state framebuffer;
 122    struct pipe_poly_stipple poly_stipple;
 123    struct pipe_scissor_state scissor;
 124    SWR_RECT swr_scissor;
 125    struct pipe_sampler_view *
 126       sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
 127
 128    struct pipe_viewport_state viewport;
 129    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
 130    struct pipe_index_buffer index_buffer;
 131
 132    struct blitter_context *blitter;
 133
 134    /** Conditional query object and mode */
 135    struct pipe_query *render_cond_query;
 136    uint render_cond_mode;
 137    boolean render_cond_cond;
 138    unsigned active_queries;
 139
 140    unsigned num_vertex_buffers;
 141    unsigned num_samplers[PIPE_SHADER_TYPES];
 142    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 143
 144    unsigned sample_mask;
 145
 146    // streamout
 147    pipe_stream_output_target *so_targets[MAX_SO_STREAMS];
 148    uint32_t num_so_targets;
 149
 150    /* Temp storage for user_buffer constants */
 151    struct swr_scratch_buffers *scratch;
 152
 153    // blend jit functions
 154    std::unordered_map<BLEND_COMPILE_STATE, PFN_BLEND_JIT_FUNC> *blendJIT;
 155
 156    /* Derived SWR API DrawState */
 157    struct swr_derived_state derived;
 158
 159    /* SWR private state - draw context */
 160    struct swr_draw_context swrDC;
 161
 162    SWR_STATS stats;
 163    SWR_STATS_FE statsFE;
 164
 165    unsigned dirty; /**< Mask of SWR_NEW_x flags */
 166 };
 167
 168 static INLINE struct swr_context *
 169 swr_context(struct pipe_context *pipe)
 170 {
 171    return (struct swr_context *)pipe;
 172 }
 173
 174 static INLINE void
 175 swr_update_draw_context(struct swr_context *ctx)
 176 {
 177    swr_draw_context *pDC =
 178       (swr_draw_context *)SwrGetPrivateContextState(ctx->swrContext);
 179    ctx->swrDC.swr_ctx = ctx;
 180    memcpy(pDC, &ctx->swrDC, sizeof(swr_draw_context));
 181 }
 182
 183 struct pipe_context *swr_create_context(struct pipe_screen *, void *priv, unsigned flags);
 184
 185 void swr_state_init(struct pipe_context *pipe);
 186
 187 void swr_clear_init(struct pipe_context *pipe);
 188
 189 void swr_draw_init(struct pipe_context *pipe);
 190
 191 void swr_finish(struct pipe_context *pipe);
 192 #endif