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 "../radeon/r600_pipe_common.h"
  30
  31 #include "pipe/p_screen.h"
  32 #include "pipe/p_context.h"
  33 #include "util/u_format.h"
  34 #include "util/u_math.h"
  35 #include "util/u_slab.h"
  36 #include "si.h"
  37 #include "sid.h"
  38 #include "si_public.h"
  39 #include "si_pm4.h"
  40 #include "si_resource.h"
  41 #include "si_state.h"
  42
  43 #ifdef PIPE_ARCH_BIG_ENDIAN
  44 #define SI_BIG_ENDIAN 1
  45 #else
  46 #define SI_BIG_ENDIAN 0
  47 #endif
  48
  49 #define SI_TRACE_CS 0
  50 #define SI_TRACE_CS_DWORDS              6
  51
  52 #define SI_MAX_DRAW_CS_DWORDS 18
  53
  54 struct si_pipe_compute;
  55
  56 struct si_screen {
  57         struct r600_common_screen       b;
  58 };
  59
  60 struct si_pipe_sampler_view {
  61         struct pipe_sampler_view        base;
  62         struct r600_resource            *resource;
  63         uint32_t                        state[8];
  64         uint32_t                        fmask_state[8];
  65 };
  66
  67 struct si_pipe_sampler_state {
  68         uint32_t                        val[4];
  69         uint32_t                        border_color[4];
  70 };
  71
  72 struct si_cs_shader_state {
  73         struct si_pipe_compute          *program;
  74 };
  75
  76 struct si_textures_info {
  77         struct si_sampler_views         views;
  78         struct si_pipe_sampler_state    *samplers[NUM_TEX_UNITS];
  79         unsigned                        n_views;
  80         uint32_t                        depth_texture_mask; /* which textures are depth */
  81         uint32_t                        compressed_colortex_mask;
  82         unsigned                        n_samplers;
  83 };
  84
  85 #define SI_NUM_ATOMS(sctx) (sizeof((sctx)->atoms)/sizeof((sctx)->atoms.array[0]))
  86 #define SI_NUM_SHADERS (PIPE_SHADER_FRAGMENT+1)
  87
  88 struct si_context {
  89         struct r600_common_context      b;
  90         struct blitter_context          *blitter;
  91         void                            *custom_dsa_flush_depth_stencil[8];
  92         void                            *custom_dsa_flush_depth[8];
  93         void                            *custom_dsa_flush_stencil[8];
  94         void                            *custom_dsa_flush_inplace;
  95         void                            *custom_blend_resolve;
  96         void                            *custom_blend_decompress;
  97         struct si_screen                *screen;
  98
  99         union {
 100                 struct {
 101                         /* The order matters. */
 102                         struct r600_atom *const_buffers[SI_NUM_SHADERS];
 103                         struct r600_atom *sampler_views[SI_NUM_SHADERS];
 104                         struct r600_atom *streamout_buffers;
 105                         /* Caches must be flushed after resource descriptors are
 106                          * updated in memory. */
 107                         struct r600_atom *cache_flush;
 108                         struct r600_atom *streamout_begin;
 109                 };
 110                 struct r600_atom *array[0];
 111         } atoms;
 112
 113         struct si_vertex_element        *vertex_elements;
 114         struct pipe_framebuffer_state   framebuffer;
 115         unsigned                        fb_log_samples;
 116         unsigned                        fb_cb0_is_integer;
 117         unsigned                        fb_compressed_cb_mask;
 118         unsigned                        pa_sc_line_stipple;
 119         unsigned                        pa_su_sc_mode_cntl;
 120         /* for saving when using blitter */
 121         struct pipe_stencil_ref         stencil_ref;
 122         struct si_pipe_shader_selector  *ps_shader;
 123         struct si_pipe_shader_selector  *vs_shader;
 124         struct si_cs_shader_state       cs_shader_state;
 125         /* shader information */
 126         unsigned                        sprite_coord_enable;
 127         unsigned                        export_16bpc;
 128         struct si_buffer_resources      const_buffers[SI_NUM_SHADERS];
 129         struct si_buffer_resources      streamout_buffers;
 130         struct si_textures_info samplers[SI_NUM_SHADERS];
 131         struct r600_resource            *border_color_table;
 132         unsigned                        border_color_offset;
 133
 134         unsigned default_ps_gprs, default_vs_gprs;
 135
 136         /* Below are variables from the old r600_context.
 137          */
 138         unsigned                pm4_dirty_cdwords;
 139
 140         /* Vertex and index buffers. */
 141         bool                    vertex_buffers_dirty;
 142         struct pipe_index_buffer index_buffer;
 143         struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
 144         unsigned                nr_vertex_buffers;
 145
 146         /* With rasterizer discard, there doesn't have to be a pixel shader.
 147          * In that case, we bind this one: */
 148         void                    *dummy_pixel_shader;
 149         struct r600_atom        cache_flush;
 150         struct pipe_constant_buffer null_const_buf; /* used for set_constant_buffer(NULL) on CIK */
 151
 152         /* SI state handling */
 153         union si_state  queued;
 154         union si_state  emitted;
 155 };
 156
 157 /* si_blit.c */
 158 void si_init_blit_functions(struct si_context *sctx);
 159 void si_flush_depth_textures(struct si_context *sctx,
 160                              struct si_textures_info *textures);
 161 void si_decompress_color_textures(struct si_context *sctx,
 162                                   struct si_textures_info *textures);
 163
 164 /* si_pipe.c */
 165 void si_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
 166                unsigned flags);
 167
 168 #if SI_TRACE_CS
 169 void si_trace_emit(struct si_context *sctx);
 170 #endif
 171
 172 /* si_compute.c */
 173 void si_init_compute_functions(struct si_context *sctx);
 174
 175 /* si_uvd.c */
 176 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 177                                                const struct pipe_video_codec *templ);
 178
 179 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 180                                                  const struct pipe_video_buffer *tmpl);
 181
 182 /*
 183  * common helpers
 184  */
 185 static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
 186 {
 187         return value * (1 << frac_bits);
 188 }
 189 #define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
 190
 191 static INLINE unsigned si_map_swizzle(unsigned swizzle)
 192 {
 193         switch (swizzle) {
 194         case UTIL_FORMAT_SWIZZLE_Y:
 195                 return V_008F0C_SQ_SEL_Y;
 196         case UTIL_FORMAT_SWIZZLE_Z:
 197                 return V_008F0C_SQ_SEL_Z;
 198         case UTIL_FORMAT_SWIZZLE_W:
 199                 return V_008F0C_SQ_SEL_W;
 200         case UTIL_FORMAT_SWIZZLE_0:
 201                 return V_008F0C_SQ_SEL_0;
 202         case UTIL_FORMAT_SWIZZLE_1:
 203                 return V_008F0C_SQ_SEL_1;
 204         default: /* UTIL_FORMAT_SWIZZLE_X */
 205                 return V_008F0C_SQ_SEL_X;
 206         }
 207 }
 208
 209 static inline unsigned si_tex_aniso_filter(unsigned filter)
 210 {
 211         if (filter <= 1)   return 0;
 212         if (filter <= 2)   return 1;
 213         if (filter <= 4)   return 2;
 214         if (filter <= 8)   return 3;
 215          /* else */        return 4;
 216 }
 217
 218 /* 12.4 fixed-point */
 219 static INLINE unsigned si_pack_float_12p4(float x)
 220 {
 221         return x <= 0    ? 0 :
 222                x >= 4096 ? 0xffff : x * 16;
 223 }
 224
 225 #endif