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 #define SI_TRACE_CS 0
  38 #define SI_TRACE_CS_DWORDS              6
  39
  40 #define SI_MAX_DRAW_CS_DWORDS 18
  41
  42 #define LLVM_SUPPORTS_GEOM_SHADERS \
  43         ((HAVE_LLVM >= 0x0305) || \
  44         (HAVE_LLVM == 0x0304 && LLVM_VERSION_PATCH >= 1))
  45
  46 struct si_pipe_compute;
  47
  48 struct si_screen {
  49         struct r600_common_screen       b;
  50 };
  51
  52 struct si_pipe_sampler_view {
  53         struct pipe_sampler_view        base;
  54         struct r600_resource            *resource;
  55         uint32_t                        state[8];
  56         uint32_t                        fmask_state[8];
  57 };
  58
  59 struct si_pipe_sampler_state {
  60         uint32_t                        val[4];
  61         uint32_t                        border_color[4];
  62 };
  63
  64 struct si_cs_shader_state {
  65         struct si_pipe_compute          *program;
  66 };
  67
  68 struct si_textures_info {
  69         struct si_sampler_views         views;
  70         struct si_pipe_sampler_state    *samplers[NUM_TEX_UNITS];
  71         unsigned                        n_views;
  72         uint32_t                        depth_texture_mask; /* which textures are depth */
  73         uint32_t                        compressed_colortex_mask;
  74         unsigned                        n_samplers;
  75 };
  76
  77 struct si_framebuffer {
  78         struct r600_atom                atom;
  79         struct pipe_framebuffer_state   state;
  80         unsigned                        nr_samples;
  81         unsigned                        log_samples;
  82         unsigned                        cb0_is_integer;
  83         unsigned                        compressed_cb_mask;
  84         unsigned                        export_16bpc;
  85 };
  86
  87 #define SI_NUM_ATOMS(sctx) (sizeof((sctx)->atoms)/sizeof((sctx)->atoms.array[0]))
  88
  89 #define SI_NUM_SHADERS (PIPE_SHADER_GEOMETRY+1)
  90
  91 #define SI_RW_SO 2 /* Streamout buffer descriptors after ring buffers */
  92
  93 struct si_context {
  94         struct r600_common_context      b;
  95         struct blitter_context          *blitter;
  96         void                            *custom_dsa_flush_depth_stencil[8];
  97         void                            *custom_dsa_flush_depth[8];
  98         void                            *custom_dsa_flush_stencil[8];
  99         void                            *custom_dsa_flush_inplace;
 100         void                            *custom_blend_resolve;
 101         void                            *custom_blend_decompress;
 102         void                            *custom_blend_fastclear;
 103         struct si_screen                *screen;
 104
 105         union {
 106                 struct {
 107                         /* The order matters. */
 108                         struct r600_atom *const_buffers[SI_NUM_SHADERS];
 109                         struct r600_atom *rw_buffers[SI_NUM_SHADERS];
 110                         struct r600_atom *sampler_views[SI_NUM_SHADERS];
 111                         /* Caches must be flushed after resource descriptors are
 112                          * updated in memory. */
 113                         struct r600_atom *cache_flush;
 114                         struct r600_atom *streamout_begin;
 115                         struct r600_atom *streamout_enable; /* must be after streamout_begin */
 116                         struct r600_atom *framebuffer;
 117                         struct r600_atom *msaa_config;
 118                 } s;
 119                 struct r600_atom *array[0];
 120         } atoms;
 121
 122         struct si_framebuffer           framebuffer;
 123         struct si_vertex_element        *vertex_elements;
 124         unsigned                        pa_sc_line_stipple;
 125         unsigned                        pa_su_sc_mode_cntl;
 126         /* for saving when using blitter */
 127         struct pipe_stencil_ref         stencil_ref;
 128         struct si_pipe_shader_selector  *ps_shader;
 129         struct si_pipe_shader_selector  *gs_shader;
 130         struct si_pipe_shader_selector  *vs_shader;
 131         struct si_cs_shader_state       cs_shader_state;
 132         /* shader information */
 133         unsigned                        sprite_coord_enable;
 134         struct si_buffer_resources      const_buffers[SI_NUM_SHADERS];
 135         struct si_buffer_resources      rw_buffers[SI_NUM_SHADERS];
 136         struct si_textures_info samplers[SI_NUM_SHADERS];
 137         struct r600_resource            *border_color_table;
 138         unsigned                        border_color_offset;
 139
 140         struct r600_atom                msaa_config;
 141         int                             ps_iter_samples;
 142
 143         unsigned default_ps_gprs, default_vs_gprs;
 144
 145         /* Below are variables from the old r600_context.
 146          */
 147         unsigned                pm4_dirty_cdwords;
 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[PIPE_MAX_ATTRIBS];
 153         unsigned                nr_vertex_buffers;
 154
 155         /* With rasterizer discard, there doesn't have to be a pixel shader.
 156          * In that case, we bind this one: */
 157         void                    *dummy_pixel_shader;
 158         struct si_pm4_state     *gs_on;
 159         struct si_pm4_state     *gs_off;
 160         struct si_pm4_state     *gs_rings;
 161         struct r600_atom        cache_flush;
 162         struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 163         struct pipe_constant_buffer esgs_ring;
 164         struct pipe_constant_buffer gsvs_ring;
 165
 166         /* SI state handling */
 167         union si_state  queued;
 168         union si_state  emitted;
 169 };
 170
 171 /* si_blit.c */
 172 void si_init_blit_functions(struct si_context *sctx);
 173 void si_flush_depth_textures(struct si_context *sctx,
 174                              struct si_textures_info *textures);
 175 void si_decompress_color_textures(struct si_context *sctx,
 176                                   struct si_textures_info *textures);
 177
 178 /* si_dma.c */
 179 void si_dma_copy(struct pipe_context *ctx,
 180                  struct pipe_resource *dst,
 181                  unsigned dst_level,
 182                  unsigned dstx, unsigned dsty, unsigned dstz,
 183                  struct pipe_resource *src,
 184                  unsigned src_level,
 185                  const struct pipe_box *src_box);
 186
 187 /* si_hw_context.c */
 188 void si_context_gfx_flush(void *context, unsigned flags,
 189                           struct pipe_fence_handle **fence);
 190 void si_begin_new_cs(struct si_context *ctx);
 191 void si_need_cs_space(struct si_context *ctx, unsigned num_dw, boolean count_draw_in);
 192
 193 #if SI_TRACE_CS
 194 void si_trace_emit(struct si_context *sctx);
 195 #endif
 196
 197 /* si_compute.c */
 198 void si_init_compute_functions(struct si_context *sctx);
 199
 200 /* si_uvd.c */
 201 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 202                                                const struct pipe_video_codec *templ);
 203
 204 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 205                                                  const struct pipe_video_buffer *tmpl);
 206
 207 /*
 208  * common helpers
 209  */
 210
 211 static INLINE struct r600_resource *
 212 si_resource_create_custom(struct pipe_screen *screen,
 213                           unsigned usage, unsigned size)
 214 {
 215         assert(size);
 216         return r600_resource(pipe_buffer_create(screen,
 217                 PIPE_BIND_CUSTOM, usage, size));
 218 }
 219
 220 #endif