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 #include <llvm-c/TargetMachine.h>
  32
  33 #ifdef PIPE_ARCH_BIG_ENDIAN
  34 #define SI_BIG_ENDIAN 1
  35 #else
  36 #define SI_BIG_ENDIAN 0
  37 #endif
  38
  39 /* The base vertex and primitive restart can be any number, but we must pick
  40  * one which will mean "unknown" for the purpose of state tracking and
  41  * the number shouldn't be a commonly-used one. */
  42 #define SI_BASE_VERTEX_UNKNOWN INT_MIN
  43 #define SI_RESTART_INDEX_UNKNOWN INT_MIN
  44
  45 #define SI_TRACE_CS 0
  46 #define SI_TRACE_CS_DWORDS              6
  47
  48 #define SI_MAX_DRAW_CS_DWORDS \
  49         (/*derived prim state:*/ 6 + /*draw regs:*/ 16 + /*draw packets:*/ 31)
  50
  51 struct si_compute;
  52
  53 struct si_screen {
  54         struct r600_common_screen       b;
  55         LLVMTargetMachineRef            tm;
  56 };
  57
  58 struct si_sampler_view {
  59         struct pipe_sampler_view        base;
  60         struct list_head                list;
  61         struct r600_resource            *resource;
  62         uint32_t                        state[8];
  63         uint32_t                        fmask_state[8];
  64 };
  65
  66 struct si_sampler_state {
  67         uint32_t                        val[4];
  68         uint32_t                        border_color[4];
  69 };
  70
  71 struct si_cs_shader_state {
  72         struct si_compute               *program;
  73 };
  74
  75 struct si_textures_info {
  76         struct si_sampler_views         views;
  77         struct si_sampler_states        states;
  78         uint32_t                        depth_texture_mask; /* which textures are depth */
  79         uint32_t                        compressed_colortex_mask;
  80 };
  81
  82 struct si_framebuffer {
  83         struct r600_atom                atom;
  84         struct pipe_framebuffer_state   state;
  85         unsigned                        nr_samples;
  86         unsigned                        log_samples;
  87         unsigned                        cb0_is_integer;
  88         unsigned                        compressed_cb_mask;
  89         unsigned                        export_16bpc;
  90 };
  91
  92 #define SI_NUM_ATOMS(sctx) (sizeof((sctx)->atoms)/sizeof((sctx)->atoms.array[0]))
  93
  94 #define SI_NUM_SHADERS (PIPE_SHADER_GEOMETRY+1)
  95
  96 struct si_context {
  97         struct r600_common_context      b;
  98         struct blitter_context          *blitter;
  99         void                            *custom_dsa_flush;
 100         void                            *custom_blend_resolve;
 101         void                            *custom_blend_decompress;
 102         void                            *custom_blend_fastclear;
 103         struct si_screen                *screen;
 104         struct si_pm4_state             *init_config;
 105
 106         union {
 107                 struct {
 108                         /* The order matters. */
 109                         struct r600_atom *vertex_buffers;
 110                         struct r600_atom *const_buffers[SI_NUM_SHADERS];
 111                         struct r600_atom *rw_buffers[SI_NUM_SHADERS];
 112                         struct r600_atom *sampler_views[SI_NUM_SHADERS];
 113                         struct r600_atom *sampler_states[SI_NUM_SHADERS];
 114                         /* Caches must be flushed after resource descriptors are
 115                          * updated in memory. */
 116                         struct r600_atom *cache_flush;
 117                         struct r600_atom *streamout_begin;
 118                         struct r600_atom *streamout_enable; /* must be after streamout_begin */
 119                         struct r600_atom *framebuffer;
 120                         struct r600_atom *db_render_state;
 121                         struct r600_atom *msaa_config;
 122                         struct r600_atom *clip_regs;
 123                 } s;
 124                 struct r600_atom *array[0];
 125         } atoms;
 126
 127         struct si_framebuffer           framebuffer;
 128         struct si_vertex_element        *vertex_elements;
 129         unsigned                        pa_sc_line_stipple;
 130         unsigned                        pa_su_sc_mode_cntl;
 131         /* for saving when using blitter */
 132         struct pipe_stencil_ref         stencil_ref;
 133         /* shaders */
 134         struct si_shader_selector       *ps_shader;
 135         struct si_shader_selector       *gs_shader;
 136         struct si_shader_selector       *vs_shader;
 137         struct si_cs_shader_state       cs_shader_state;
 138         /* shader information */
 139         unsigned                        sprite_coord_enable;
 140         bool                            flatshade;
 141         struct si_descriptors           vertex_buffers;
 142         struct si_buffer_resources      const_buffers[SI_NUM_SHADERS];
 143         struct si_buffer_resources      rw_buffers[SI_NUM_SHADERS];
 144         struct si_textures_info         samplers[SI_NUM_SHADERS];
 145         struct r600_resource            *border_color_table;
 146         unsigned                        border_color_offset;
 147
 148         struct r600_atom                clip_regs;
 149         struct r600_atom                msaa_config;
 150         int                             ps_iter_samples;
 151
 152         /* Vertex and index buffers. */
 153         bool                    vertex_buffers_dirty;
 154         struct pipe_index_buffer index_buffer;
 155         struct pipe_vertex_buffer vertex_buffer[SI_NUM_VERTEX_BUFFERS];
 156
 157         /* With rasterizer discard, there doesn't have to be a pixel shader.
 158          * In that case, we bind this one: */
 159         void                    *dummy_pixel_shader;
 160         struct si_pm4_state     *gs_on;
 161         struct si_pm4_state     *gs_off;
 162         struct si_pm4_state     *gs_rings;
 163         struct r600_atom        cache_flush;
 164         struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 165         struct pipe_resource    *esgs_ring;
 166         struct pipe_resource    *gsvs_ring;
 167
 168         /* SI state handling */
 169         union si_state  queued;
 170         union si_state  emitted;
 171
 172         /* DB render state. */
 173         struct r600_atom        db_render_state;
 174         bool                    dbcb_depth_copy_enabled;
 175         bool                    dbcb_stencil_copy_enabled;
 176         unsigned                dbcb_copy_sample;
 177         bool                    db_inplace_flush_enabled;
 178         bool                    db_depth_clear;
 179         bool                    db_depth_disable_expclear;
 180         unsigned                ps_db_shader_control;
 181
 182         /* Draw state. */
 183         int                     last_base_vertex;
 184         int                     last_start_instance;
 185         int                     last_sh_base_reg;
 186         int                     last_primitive_restart_en;
 187         int                     last_restart_index;
 188         int                     last_gs_out_prim;
 189         int                     last_prim;
 190         int                     last_multi_vgt_param;
 191         int                     last_rast_prim;
 192 };
 193
 194 /* si_blit.c */
 195 void si_init_blit_functions(struct si_context *sctx);
 196 void si_flush_depth_textures(struct si_context *sctx,
 197                              struct si_textures_info *textures);
 198 void si_decompress_color_textures(struct si_context *sctx,
 199                                   struct si_textures_info *textures);
 200 void si_resource_copy_region(struct pipe_context *ctx,
 201                              struct pipe_resource *dst,
 202                              unsigned dst_level,
 203                              unsigned dstx, unsigned dsty, unsigned dstz,
 204                              struct pipe_resource *src,
 205                              unsigned src_level,
 206                              const struct pipe_box *src_box);
 207
 208 /* si_dma.c */
 209 void si_dma_copy(struct pipe_context *ctx,
 210                  struct pipe_resource *dst,
 211                  unsigned dst_level,
 212                  unsigned dstx, unsigned dsty, unsigned dstz,
 213                  struct pipe_resource *src,
 214                  unsigned src_level,
 215                  const struct pipe_box *src_box);
 216
 217 /* si_hw_context.c */
 218 void si_context_gfx_flush(void *context, unsigned flags,
 219                           struct pipe_fence_handle **fence);
 220 void si_begin_new_cs(struct si_context *ctx);
 221 void si_need_cs_space(struct si_context *ctx, unsigned num_dw, boolean count_draw_in);
 222
 223 #if SI_TRACE_CS
 224 void si_trace_emit(struct si_context *sctx);
 225 #endif
 226
 227 /* si_compute.c */
 228 void si_init_compute_functions(struct si_context *sctx);
 229
 230 /* si_uvd.c */
 231 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 232                                                const struct pipe_video_codec *templ);
 233
 234 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 235                                                  const struct pipe_video_buffer *tmpl);
 236
 237 /*
 238  * common helpers
 239  */
 240
 241 static INLINE struct r600_resource *
 242 si_resource_create_custom(struct pipe_screen *screen,
 243                           unsigned usage, unsigned size)
 244 {
 245         assert(size);
 246         return r600_resource(pipe_buffer_create(screen,
 247                 PIPE_BIND_CUSTOM, usage, size));
 248 }
 249
 250 static INLINE void
 251 si_invalidate_draw_sh_constants(struct si_context *sctx)
 252 {
 253         sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN;
 254         sctx->last_start_instance = -1; /* reset to an unknown value */
 255         sctx->last_sh_base_reg = -1; /* reset to an unknown value */
 256 }
 257
 258 #endif