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 "rasterizer/memory/SurfaceState.h"
  33 #include "rasterizer/memory/InitMemory.h"
  34 #include "jit_api.h"
  35 #include "swr_state.h"
  36 #include <unordered_map>
  37
  38 #define SWR_NEW_BLEND (1 << 0)
  39 #define SWR_NEW_RASTERIZER (1 << 1)
  40 #define SWR_NEW_DEPTH_STENCIL_ALPHA (1 << 2)
  41 #define SWR_NEW_SAMPLER (1 << 3)
  42 #define SWR_NEW_SAMPLER_VIEW (1 << 4)
  43 #define SWR_NEW_VS (1 << 5)
  44 #define SWR_NEW_FS (1 << 6)
  45 #define SWR_NEW_GS (1 << 7)
  46 #define SWR_NEW_VSCONSTANTS (1 << 8)
  47 #define SWR_NEW_FSCONSTANTS (1 << 9)
  48 #define SWR_NEW_GSCONSTANTS (1 << 10)
  49 #define SWR_NEW_VERTEX (1 << 11)
  50 #define SWR_NEW_STIPPLE (1 << 12)
  51 #define SWR_NEW_SCISSOR (1 << 13)
  52 #define SWR_NEW_VIEWPORT (1 << 14)
  53 #define SWR_NEW_FRAMEBUFFER (1 << 15)
  54 #define SWR_NEW_CLIP (1 << 16)
  55 #define SWR_NEW_SO (1 << 17)
  56 #define SWR_LARGE_CLIENT_DRAW (1<<18) // Indicates client draw will block
  57
  58 namespace std
  59 {
  60 template <> struct hash<BLEND_COMPILE_STATE> {
  61    std::size_t operator()(const BLEND_COMPILE_STATE &k) const
  62    {
  63       return util_hash_crc32(&k, sizeof(k));
  64    }
  65 };
  66 };
  67
  68 struct swr_jit_texture {
  69    uint32_t width; // same as number of elements
  70    uint32_t height;
  71    uint32_t depth; // doubles as array size
  72    uint32_t first_level;
  73    uint32_t last_level;
  74    const uint8_t *base_ptr;
  75    uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS];
  76    uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS];
  77    uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
  78 };
  79
  80 struct swr_jit_sampler {
  81    float min_lod;
  82    float max_lod;
  83    float lod_bias;
  84    float border_color[4];
  85 };
  86
  87 struct swr_draw_context {
  88    const float *constantVS[PIPE_MAX_CONSTANT_BUFFERS];
  89    uint32_t num_constantsVS[PIPE_MAX_CONSTANT_BUFFERS];
  90    const float *constantFS[PIPE_MAX_CONSTANT_BUFFERS];
  91    uint32_t num_constantsFS[PIPE_MAX_CONSTANT_BUFFERS];
  92    const float *constantGS[PIPE_MAX_CONSTANT_BUFFERS];
  93    uint32_t num_constantsGS[PIPE_MAX_CONSTANT_BUFFERS];
  94
  95    swr_jit_texture texturesVS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  96    swr_jit_sampler samplersVS[PIPE_MAX_SAMPLERS];
  97    swr_jit_texture texturesFS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
  98    swr_jit_sampler samplersFS[PIPE_MAX_SAMPLERS];
  99    swr_jit_texture texturesGS[PIPE_MAX_SHADER_SAMPLER_VIEWS];
 100    swr_jit_sampler samplersGS[PIPE_MAX_SAMPLERS];
 101
 102    float userClipPlanes[PIPE_MAX_CLIP_PLANES][4];
 103
 104    uint32_t polyStipple[32];
 105
 106    SWR_SURFACE_STATE renderTargets[SWR_NUM_ATTACHMENTS];
 107    struct swr_query_result *pStats; // @llvm_struct
 108    SWR_INTERFACE *pAPI; // @llvm_struct - Needed for the swr_memory callbacks
 109    SWR_TILE_INTERFACE *pTileAPI; // @llvm_struct - Needed for the swr_memory callbacks
 110 };
 111
 112 /* gen_llvm_types FINI */
 113
 114 struct swr_context {
 115    struct pipe_context pipe; /**< base class */
 116
 117    HANDLE swrContext;
 118
 119    /** Constant state objects */
 120    struct swr_blend_state *blend;
 121    struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
 122    struct pipe_depth_stencil_alpha_state *depth_stencil;
 123    struct pipe_rasterizer_state *rasterizer;
 124
 125    struct swr_vertex_shader *vs;
 126    struct swr_fragment_shader *fs;
 127    struct swr_geometry_shader *gs;
 128    struct swr_vertex_element_state *velems;
 129
 130    /** Other rendering state */
 131    struct pipe_blend_color blend_color;
 132    struct pipe_stencil_ref stencil_ref;
 133    struct pipe_clip_state clip;
 134    struct pipe_constant_buffer
 135       constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
 136    struct pipe_framebuffer_state framebuffer;
 137    struct swr_poly_stipple poly_stipple;
 138    struct pipe_scissor_state scissors[KNOB_NUM_VIEWPORTS_SCISSORS];
 139    SWR_RECT swr_scissors[KNOB_NUM_VIEWPORTS_SCISSORS];
 140    struct pipe_sampler_view *
 141       sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
 142
 143    struct pipe_viewport_state viewports[KNOB_NUM_VIEWPORTS_SCISSORS];
 144    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
 145
 146    struct blitter_context *blitter;
 147
 148    /** Conditional query object and mode */
 149    struct pipe_query *render_cond_query;
 150    enum pipe_render_cond_flag render_cond_mode;
 151    bool render_cond_cond;
 152    unsigned active_queries;
 153
 154    unsigned num_vertex_buffers;
 155    unsigned num_samplers[PIPE_SHADER_TYPES];
 156    unsigned num_sampler_views[PIPE_SHADER_TYPES];
 157
 158    unsigned sample_mask;
 159
 160    // streamout
 161    pipe_stream_output_target *so_targets[MAX_SO_STREAMS];
 162    uint32_t num_so_targets;
 163
 164    /* Temp storage for user_buffer constants */
 165    struct swr_scratch_buffers *scratch;
 166
 167    // blend jit functions
 168    std::unordered_map<BLEND_COMPILE_STATE, PFN_BLEND_JIT_FUNC> *blendJIT;
 169
 170    /* Derived SWR API DrawState */
 171    struct swr_derived_state derived;
 172
 173    /* SWR private state - draw context */
 174    struct swr_draw_context swrDC;
 175
 176    unsigned dirty; /**< Mask of SWR_NEW_x flags */
 177
 178    SWR_INTERFACE api;
 179    SWR_TILE_INTERFACE tileApi;
 180
 181    uint32_t max_draws_in_flight;
 182 };
 183
 184 static INLINE struct swr_context *
 185 swr_context(struct pipe_context *pipe)
 186 {
 187    return (struct swr_context *)pipe;
 188 }
 189
 190 static INLINE void
 191 swr_update_draw_context(struct swr_context *ctx,
 192       struct swr_query_result *pqr = nullptr)
 193 {
 194    swr_draw_context *pDC =
 195       (swr_draw_context *)ctx->api.pfnSwrGetPrivateContextState(ctx->swrContext);
 196    if (pqr)
 197       ctx->swrDC.pStats = pqr;
 198    memcpy(pDC, &ctx->swrDC, sizeof(swr_draw_context));
 199 }
 200
 201 struct pipe_context *swr_create_context(struct pipe_screen *, void *priv, unsigned flags);
 202
 203 void swr_state_init(struct pipe_context *pipe);
 204
 205 void swr_clear_init(struct pipe_context *pipe);
 206
 207 void swr_draw_init(struct pipe_context *pipe);
 208
 209 void swr_finish(struct pipe_context *pipe);
 210
 211 void swr_do_msaa_resolve(struct pipe_resource *src_resource,
 212                          struct pipe_resource *dst_resource);
 213 #endif