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
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  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
  55 namespace std
  56 {
  57 template <> struct hash<BLEND_COMPILE_STATE> {
  58    std::size_t operator()(const BLEND_COMPILE_STATE &k) const
  59    {
  60       return util_hash_crc32(&k, sizeof(k));
  61    }
  62 };
  63 };
  64
  65 struct swr_jit_texture {
  66    uint32_t width; // same as number of elements
  67    uint32_t height;
  68    uint32_t depth; // doubles as array size
  69    uint32_t first_level;
  70    uint32_t last_level;
  71    const uint8_t *base_ptr;
  72    uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
  73    uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
  74    uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
  75 };
  76
  77 struct swr_jit_sampler {
  78    float min_lod;
  79    float max_lod;
  80    float lod_bias;
  81    float border_color[4];
  82 };
  83
  84 struct swr_draw_context {
  85    const float *constantVS[PIPE_MAX_CONSTANT_BUFFERS];
  86    uint32_t num_constantsVS[PIPE_MAX_CONSTANT_BUFFERS];
  87    const float *constantFS[PIPE_MAX_CONSTANT_BUFFERS];
  88    uint32_t num_constantsFS[PIPE_MAX_CONSTANT_BUFFERS];
  89    const float *constantGS[PIPE_MAX_CONSTANT_BUFFERS];
  90    uint32_t num_constantsGS[PIPE_MAX_CONSTANT_BUFFERS];
  91
  92    swr_jit_texture texturesVS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  93    swr_jit_sampler samplersVS[PIPE_MAX_SAMPLERS];
  94    swr_jit_texture texturesFS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  95    swr_jit_sampler samplersFS[PIPE_MAX_SAMPLERS];
  96    swr_jit_texture texturesGS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  97    swr_jit_sampler samplersGS[PIPE_MAX_SAMPLERS];
  98
  99    float userClipPlanes[PIPE_MAX_CLIP_PLANES][4];
 100
 101    uint32_t polyStipple[32];
 102
 103    SWR_SURFACE_STATE renderTargets[SWR_NUM_ATTACHMENTS];
 104    struct swr_query_result *pStats; // @llvm_struct
 105    SWR_INTERFACE *pAPI; // @llvm_struct - Needed for the swr_memory callbacks
 106 };
 107
 108 /* gen_llvm_types FINI */
 109
 110 struct swr_context {
 111    struct pipe_context pipe; /**< base class */
 112
 113    HANDLE swrContext;
 114
 115    /** Constant state objects */
 116    struct swr_blend_state *blend;
 117    struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 118    struct pipe_depth_stencil_alpha_state *depth_stencil;
 119    struct pipe_rasterizer_state *rasterizer;
 120
 121    struct swr_vertex_shader *vs;
 122    struct swr_fragment_shader *fs;
 123    struct swr_geometry_shader *gs;
 124    struct swr_vertex_element_state *velems;
 125
 126    /** Other rendering state */
 127    struct pipe_blend_color blend_color;
 128    struct pipe_stencil_ref stencil_ref;
 129    struct pipe_clip_state clip;
 130    struct pipe_constant_buffer
 131       constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
 132    struct pipe_framebuffer_state framebuffer;
 133    struct swr_poly_stipple poly_stipple;
 134    struct pipe_scissor_state scissor;
 135    SWR_RECT swr_scissor;
 136    struct pipe_sampler_view *
 137       sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
 138
 139    struct pipe_viewport_state viewport;
 140    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
 141
 142    struct blitter_context *blitter;
 143
 144    /** Conditional query object and mode */
 145    struct pipe_query *render_cond_query;
 146    enum pipe_render_cond_flag render_cond_mode;
 147    boolean render_cond_cond;
 148    unsigned active_queries;
 149
 150    unsigned num_vertex_buffers;
 151    unsigned num_samplers[PIPE_SHADER_TYPES];
 152    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 153
 154    unsigned sample_mask;
 155
 156    // streamout
 157    pipe_stream_output_target *so_targets[MAX_SO_STREAMS];
 158    uint32_t num_so_targets;
 159
 160    /* Temp storage for user_buffer constants */
 161    struct swr_scratch_buffers *scratch;
 162
 163    // blend jit functions
 164    std::unordered_map<BLEND_COMPILE_STATE, PFN_BLEND_JIT_FUNC> *blendJIT;
 165
 166    /* Derived SWR API DrawState */
 167    struct swr_derived_state derived;
 168
 169    /* SWR private state - draw context */
 170    struct swr_draw_context swrDC;
 171
 172    unsigned dirty; /**< Mask of SWR_NEW_x flags */
 173
 174    SWR_INTERFACE api;
 175 };
 176
 177 static INLINE struct swr_context *
 178 swr_context(struct pipe_context *pipe)
 179 {
 180    return (struct swr_context *)pipe;
 181 }
 182
 183 static INLINE void
 184 swr_update_draw_context(struct swr_context *ctx,
 185       struct swr_query_result *pqr = nullptr)
 186 {
 187    swr_draw_context *pDC =
 188       (swr_draw_context *)ctx->api.pfnSwrGetPrivateContextState(ctx->swrContext);
 189    if (pqr)
 190       ctx->swrDC.pStats = pqr;
 191    memcpy(pDC, &ctx->swrDC, sizeof(swr_draw_context));
 192 }
 193
 194 struct pipe_context *swr_create_context(struct pipe_screen *, void *priv, unsigned flags);
 195
 196 void swr_state_init(struct pipe_context *pipe);
 197
 198 void swr_clear_init(struct pipe_context *pipe);
 199
 200 void swr_draw_init(struct pipe_context *pipe);
 201
 202 void swr_finish(struct pipe_context *pipe);
 203
 204 void swr_do_msaa_resolve(struct pipe_resource *src_resource,
 205                          struct pipe_resource *dst_resource);
 206 #endif