src/gallium/drivers/radeonsi/si_pipe.h

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Jerome Glisse
  25  */
  26 #ifndef SI_PIPE_H
  27 #define SI_PIPE_H
  28
  29 #include "si_state.h"
  30
  31 #ifdef PIPE_ARCH_BIG_ENDIAN
  32 #define SI_BIG_ENDIAN 1
  33 #else
  34 #define SI_BIG_ENDIAN 0
  35 #endif
  36
  37 /* The base vertex and primitive restart can be any number, but we must pick
  38  * one which will mean "unknown" for the purpose of state tracking and
  39  * the number shouldn't be a commonly-used one. */
  40 #define SI_BASE_VERTEX_UNKNOWN INT_MIN
  41 #define SI_RESTART_INDEX_UNKNOWN INT_MIN
  42
  43 #define SI_TRACE_CS 0
  44 #define SI_TRACE_CS_DWORDS              6
  45
  46 #define SI_MAX_DRAW_CS_DWORDS \
  47         (/*derived prim state:*/ 6 + /*draw regs:*/ 16 + /*draw packets:*/ 31)
  48
  49 struct si_compute;
  50
  51 struct si_screen {
  52         struct r600_common_screen       b;
  53 };
  54
  55 struct si_sampler_view {
  56         struct pipe_sampler_view        base;
  57         struct list_head                list;
  58         struct r600_resource            *resource;
  59         uint32_t                        state[8];
  60         uint32_t                        fmask_state[8];
  61 };
  62
  63 struct si_sampler_state {
  64         uint32_t                        val[4];
  65         uint32_t                        border_color[4];
  66 };
  67
  68 struct si_cs_shader_state {
  69         struct si_compute               *program;
  70 };
  71
  72 struct si_textures_info {
  73         struct si_sampler_views         views;
  74         struct si_sampler_states        states;
  75         uint32_t                        depth_texture_mask; /* which textures are depth */
  76         uint32_t                        compressed_colortex_mask;
  77 };
  78
  79 struct si_framebuffer {
  80         struct r600_atom                atom;
  81         struct pipe_framebuffer_state   state;
  82         unsigned                        nr_samples;
  83         unsigned                        log_samples;
  84         unsigned                        cb0_is_integer;
  85         unsigned                        compressed_cb_mask;
  86         unsigned                        export_16bpc;
  87 };
  88
  89 #define SI_NUM_ATOMS(sctx) (sizeof((sctx)->atoms)/sizeof((sctx)->atoms.array[0]))
  90
  91 #define SI_NUM_SHADERS (PIPE_SHADER_GEOMETRY+1)
  92
  93 struct si_context {
  94         struct r600_common_context      b;
  95         struct blitter_context          *blitter;
  96         void                            *custom_dsa_flush;
  97         void                            *custom_blend_resolve;
  98         void                            *custom_blend_decompress;
  99         void                            *custom_blend_fastclear;
 100         struct si_screen                *screen;
 101
 102         union {
 103                 struct {
 104                         /* The order matters. */
 105                         struct r600_atom *vertex_buffers;
 106                         struct r600_atom *const_buffers[SI_NUM_SHADERS];
 107                         struct r600_atom *rw_buffers[SI_NUM_SHADERS];
 108                         struct r600_atom *sampler_views[SI_NUM_SHADERS];
 109                         struct r600_atom *sampler_states[SI_NUM_SHADERS];
 110                         /* Caches must be flushed after resource descriptors are
 111                          * updated in memory. */
 112                         struct r600_atom *cache_flush;
 113                         struct r600_atom *streamout_begin;
 114                         struct r600_atom *streamout_enable; /* must be after streamout_begin */
 115                         struct r600_atom *framebuffer;
 116                         struct r600_atom *db_render_state;
 117                         struct r600_atom *msaa_config;
 118                         struct r600_atom *clip_regs;
 119                 } s;
 120                 struct r600_atom *array[0];
 121         } atoms;
 122
 123         struct si_framebuffer           framebuffer;
 124         struct si_vertex_element        *vertex_elements;
 125         unsigned                        pa_sc_line_stipple;
 126         unsigned                        pa_su_sc_mode_cntl;
 127         /* for saving when using blitter */
 128         struct pipe_stencil_ref         stencil_ref;
 129         /* shaders */
 130         struct si_shader_selector       *ps_shader;
 131         struct si_shader_selector       *gs_shader;
 132         struct si_shader_selector       *vs_shader;
 133         struct si_cs_shader_state       cs_shader_state;
 134         /* shader information */
 135         unsigned                        sprite_coord_enable;
 136         struct si_descriptors           vertex_buffers;
 137         struct si_buffer_resources      const_buffers[SI_NUM_SHADERS];
 138         struct si_buffer_resources      rw_buffers[SI_NUM_SHADERS];
 139         struct si_textures_info         samplers[SI_NUM_SHADERS];
 140         struct r600_resource            *border_color_table;
 141         unsigned                        border_color_offset;
 142
 143         struct r600_atom                clip_regs;
 144         struct r600_atom                msaa_config;
 145         int                             ps_iter_samples;
 146
 147         unsigned default_ps_gprs, default_vs_gprs;
 148
 149         /* Vertex and index buffers. */
 150         bool                    vertex_buffers_dirty;
 151         struct pipe_index_buffer index_buffer;
 152         struct pipe_vertex_buffer vertex_buffer[SI_NUM_VERTEX_BUFFERS];
 153
 154         /* With rasterizer discard, there doesn't have to be a pixel shader.
 155          * In that case, we bind this one: */
 156         void                    *dummy_pixel_shader;
 157         struct si_pm4_state     *gs_on;
 158         struct si_pm4_state     *gs_off;
 159         struct si_pm4_state     *gs_rings;
 160         struct r600_atom        cache_flush;
 161         struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 162         struct pipe_resource    *esgs_ring;
 163         struct pipe_resource    *gsvs_ring;
 164
 165         /* SI state handling */
 166         union si_state  queued;
 167         union si_state  emitted;
 168
 169         /* DB render state. */
 170         struct r600_atom        db_render_state;
 171         bool                    dbcb_depth_copy_enabled;
 172         bool                    dbcb_stencil_copy_enabled;
 173         unsigned                dbcb_copy_sample;
 174         bool                    db_inplace_flush_enabled;
 175         bool                    db_depth_clear;
 176         bool                    db_depth_disable_expclear;
 177         unsigned                ps_db_shader_control;
 178
 179         /* Draw state. */
 180         int                     last_base_vertex;
 181         int                     last_start_instance;
 182         int                     last_sh_base_reg;
 183         int                     last_primitive_restart_en;
 184         int                     last_restart_index;
 185         int                     last_gs_out_prim;
 186 };
 187
 188 /* si_blit.c */
 189 void si_init_blit_functions(struct si_context *sctx);
 190 void si_flush_depth_textures(struct si_context *sctx,
 191                              struct si_textures_info *textures);
 192 void si_decompress_color_textures(struct si_context *sctx,
 193                                   struct si_textures_info *textures);
 194 void si_resource_copy_region(struct pipe_context *ctx,
 195                              struct pipe_resource *dst,
 196                              unsigned dst_level,
 197                              unsigned dstx, unsigned dsty, unsigned dstz,
 198                              struct pipe_resource *src,
 199                              unsigned src_level,
 200                              const struct pipe_box *src_box);
 201
 202 /* si_dma.c */
 203 void si_dma_copy(struct pipe_context *ctx,
 204                  struct pipe_resource *dst,
 205                  unsigned dst_level,
 206                  unsigned dstx, unsigned dsty, unsigned dstz,
 207                  struct pipe_resource *src,
 208                  unsigned src_level,
 209                  const struct pipe_box *src_box);
 210
 211 /* si_hw_context.c */
 212 void si_context_gfx_flush(void *context, unsigned flags,
 213                           struct pipe_fence_handle **fence);
 214 void si_begin_new_cs(struct si_context *ctx);
 215 void si_need_cs_space(struct si_context *ctx, unsigned num_dw, boolean count_draw_in);
 216
 217 #if SI_TRACE_CS
 218 void si_trace_emit(struct si_context *sctx);
 219 #endif
 220
 221 /* si_compute.c */
 222 void si_init_compute_functions(struct si_context *sctx);
 223
 224 /* si_uvd.c */
 225 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 226                                                const struct pipe_video_codec *templ);
 227
 228 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 229                                                  const struct pipe_video_buffer *tmpl);
 230
 231 /*
 232  * common helpers
 233  */
 234
 235 static INLINE struct r600_resource *
 236 si_resource_create_custom(struct pipe_screen *screen,
 237                           unsigned usage, unsigned size)
 238 {
 239         assert(size);
 240         return r600_resource(pipe_buffer_create(screen,
 241                 PIPE_BIND_CUSTOM, usage, size));
 242 }
 243
 244 static INLINE void
 245 si_invalidate_draw_sh_constants(struct si_context *sctx)
 246 {
 247         sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
 248         sctx->last_start_instance = -1; /* reset to an unknown value */
 249         sctx->last_sh_base_reg = -1; /* reset to an unknown value */
 250 }
 251
 252 #endif