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"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   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,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  ***************************************************************************/
  23
  24 #ifndef SWR_CONTEXT_H
  25 #define SWR_CONTEXT_H
  26
  27 #include "common/os.h"
  28
  29 #include "pipe/p_context.h"
  30 #include "pipe/p_state.h"
  31 #include "util/u_blitter.h"
  32 #include "jit_api.h"
  33 #include "swr_state.h"
  34 #include <unordered_map>
  35
  36 #define SWR_NEW_BLEND (1 << 0)
  37 #define SWR_NEW_RASTERIZER (1 << 1)
  38 #define SWR_NEW_DEPTH_STENCIL_ALPHA (1 << 2)
  39 #define SWR_NEW_SAMPLER (1 << 3)
  40 #define SWR_NEW_SAMPLER_VIEW (1 << 4)
  41 #define SWR_NEW_VS (1 << 5)
  42 #define SWR_NEW_FS (1 << 6)
  43 #define SWR_NEW_GS (1 << 7)
  44 #define SWR_NEW_VSCONSTANTS (1 << 8)
  45 #define SWR_NEW_FSCONSTANTS (1 << 9)
  46 #define SWR_NEW_GSCONSTANTS (1 << 10)
  47 #define SWR_NEW_VERTEX (1 << 11)
  48 #define SWR_NEW_STIPPLE (1 << 12)
  49 #define SWR_NEW_SCISSOR (1 << 13)
  50 #define SWR_NEW_VIEWPORT (1 << 14)
  51 #define SWR_NEW_FRAMEBUFFER (1 << 15)
  52 #define SWR_NEW_CLIP (1 << 16)
  53 #define SWR_NEW_SO (1 << 17)
  54 #define SWR_LARGE_CLIENT_DRAW (1<<18) // Indicates client draw will block
  55
  56 namespace std
  57 {
  58 template <> struct hash<BLEND_COMPILE_STATE> {
  59    std::size_t operator()(const BLEND_COMPILE_STATE &k) const
  60    {
  61       return util_hash_crc32(&k, sizeof(k));
  62    }
  63 };
  64 };
  65
  66 struct swr_jit_texture {
  67    uint32_t width; // same as number of elements
  68    uint32_t height;
  69    uint32_t depth; // doubles as array size
  70    uint32_t first_level;
  71    uint32_t last_level;
  72    const uint8_t *base_ptr;
  73    uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
  74    uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
  75    uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
  76 };
  77
  78 struct swr_jit_sampler {
  79    float min_lod;
  80    float max_lod;
  81    float lod_bias;
  82    float border_color[4];
  83 };
  84
  85 struct swr_draw_context {
  86    const float *constantVS[PIPE_MAX_CONSTANT_BUFFERS];
  87    uint32_t num_constantsVS[PIPE_MAX_CONSTANT_BUFFERS];
  88    const float *constantFS[PIPE_MAX_CONSTANT_BUFFERS];
  89    uint32_t num_constantsFS[PIPE_MAX_CONSTANT_BUFFERS];
  90    const float *constantGS[PIPE_MAX_CONSTANT_BUFFERS];
  91    uint32_t num_constantsGS[PIPE_MAX_CONSTANT_BUFFERS];
  92
  93    swr_jit_texture texturesVS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  94    swr_jit_sampler samplersVS[PIPE_MAX_SAMPLERS];
  95    swr_jit_texture texturesFS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  96    swr_jit_sampler samplersFS[PIPE_MAX_SAMPLERS];
  97    swr_jit_texture texturesGS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  98    swr_jit_sampler samplersGS[PIPE_MAX_SAMPLERS];
  99
 100    float userClipPlanes[PIPE_MAX_CLIP_PLANES][4];
 101
 102    uint32_t polyStipple[32];
 103
 104    SWR_SURFACE_STATE renderTargets[SWR_NUM_ATTACHMENTS];
 105    struct swr_query_result *pStats; // @llvm_struct
 106    SWR_INTERFACE *pAPI; // @llvm_struct - Needed for the swr_memory callbacks
 107 };
 108
 109 /* gen_llvm_types FINI */
 110
 111 struct swr_context {
 112    struct pipe_context pipe; /**< base class */
 113
 114    HANDLE swrContext;
 115
 116    /** Constant state objects */
 117    struct swr_blend_state *blend;
 118    struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 119    struct pipe_depth_stencil_alpha_state *depth_stencil;
 120    struct pipe_rasterizer_state *rasterizer;
 121
 122    struct swr_vertex_shader *vs;
 123    struct swr_fragment_shader *fs;
 124    struct swr_geometry_shader *gs;
 125    struct swr_vertex_element_state *velems;
 126
 127    /** Other rendering state */
 128    struct pipe_blend_color blend_color;
 129    struct pipe_stencil_ref stencil_ref;
 130    struct pipe_clip_state clip;
 131    struct pipe_constant_buffer
 132       constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
 133    struct pipe_framebuffer_state framebuffer;
 134    struct swr_poly_stipple poly_stipple;
 135    struct pipe_scissor_state scissor;
 136    SWR_RECT swr_scissor;
 137    struct pipe_sampler_view *
 138       sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
 139
 140    struct pipe_viewport_state viewport;
 141    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
 142
 143    struct blitter_context *blitter;
 144
 145    /** Conditional query object and mode */
 146    struct pipe_query *render_cond_query;
 147    enum pipe_render_cond_flag render_cond_mode;
 148    boolean render_cond_cond;
 149    unsigned active_queries;
 150
 151    unsigned num_vertex_buffers;
 152    unsigned num_samplers[PIPE_SHADER_TYPES];
 153    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 154
 155    unsigned sample_mask;
 156
 157    // streamout
 158    pipe_stream_output_target *so_targets[MAX_SO_STREAMS];
 159    uint32_t num_so_targets;
 160
 161    /* Temp storage for user_buffer constants */
 162    struct swr_scratch_buffers *scratch;
 163
 164    // blend jit functions
 165    std::unordered_map<BLEND_COMPILE_STATE, PFN_BLEND_JIT_FUNC> *blendJIT;
 166
 167    /* Derived SWR API DrawState */
 168    struct swr_derived_state derived;
 169
 170    /* SWR private state - draw context */
 171    struct swr_draw_context swrDC;
 172
 173    unsigned dirty; /**< Mask of SWR_NEW_x flags */
 174
 175    SWR_INTERFACE api;
 176
 177    uint32_t max_draws_in_flight;
 178 };
 179
 180 static INLINE struct swr_context *
 181 swr_context(struct pipe_context *pipe)
 182 {
 183    return (struct swr_context *)pipe;
 184 }
 185
 186 static INLINE void
 187 swr_update_draw_context(struct swr_context *ctx,
 188       struct swr_query_result *pqr = nullptr)
 189 {
 190    swr_draw_context *pDC =
 191       (swr_draw_context *)ctx->api.pfnSwrGetPrivateContextState(ctx->swrContext);
 192    if (pqr)
 193       ctx->swrDC.pStats = pqr;
 194    memcpy(pDC, &ctx->swrDC, sizeof(swr_draw_context));
 195 }
 196
 197 struct pipe_context *swr_create_context(struct pipe_screen *, void *priv, unsigned flags);
 198
 199 void swr_state_init(struct pipe_context *pipe);
 200
 201 void swr_clear_init(struct pipe_context *pipe);
 202
 203 void swr_draw_init(struct pipe_context *pipe);
 204
 205 void swr_finish(struct pipe_context *pipe);
 206
 207 void swr_do_msaa_resolve(struct pipe_resource *src_resource,
 208                          struct pipe_resource *dst_resource);
 209 #endif