src/gallium/drivers/vc4/vc4_context.h

   1 /*
   2  * Copyright © 2014 Broadcom
   3  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  */
  24
  25 #ifndef VC4_CONTEXT_H
  26 #define VC4_CONTEXT_H
  27
  28 #include "pipe/p_context.h"
  29 #include "pipe/p_state.h"
  30 #include "util/u_slab.h"
  31
  32 #define __user
  33 #include "vc4_drm.h"
  34 #include "vc4_bufmgr.h"
  35 #include "vc4_resource.h"
  36 #include "vc4_cl.h"
  37 #include "vc4_qir.h"
  38
  39 #define VC4_DIRTY_BLEND         (1 <<  0)
  40 #define VC4_DIRTY_RASTERIZER    (1 <<  1)
  41 #define VC4_DIRTY_ZSA           (1 <<  2)
  42 #define VC4_DIRTY_FRAGTEX       (1 <<  3)
  43 #define VC4_DIRTY_VERTTEX       (1 <<  4)
  44 #define VC4_DIRTY_TEXSTATE      (1 <<  5)
  45 #define VC4_DIRTY_PROG          (1 <<  6)
  46 #define VC4_DIRTY_BLEND_COLOR   (1 <<  7)
  47 #define VC4_DIRTY_STENCIL_REF   (1 <<  8)
  48 #define VC4_DIRTY_SAMPLE_MASK   (1 <<  9)
  49 #define VC4_DIRTY_FRAMEBUFFER   (1 << 10)
  50 #define VC4_DIRTY_STIPPLE       (1 << 11)
  51 #define VC4_DIRTY_VIEWPORT      (1 << 12)
  52 #define VC4_DIRTY_CONSTBUF      (1 << 13)
  53 #define VC4_DIRTY_VTXSTATE      (1 << 14)
  54 #define VC4_DIRTY_VTXBUF        (1 << 15)
  55 #define VC4_DIRTY_INDEXBUF      (1 << 16)
  56 #define VC4_DIRTY_SCISSOR       (1 << 17)
  57
  58 #define VC4_SHADER_DIRTY_VP     (1 << 0)
  59 #define VC4_SHADER_DIRTY_FP     (1 << 1)
  60
  61 struct vc4_texture_stateobj {
  62         struct pipe_sampler_view *textures[PIPE_MAX_SAMPLERS];
  63         unsigned num_textures;
  64         struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
  65         unsigned num_samplers;
  66         unsigned dirty_samplers;
  67 };
  68
  69 struct vc4_shader_uniform_info {
  70         enum quniform_contents *contents;
  71         uint32_t *data;
  72         uint32_t count;
  73         uint32_t num_texture_samples;
  74 };
  75
  76 struct vc4_compiled_shader {
  77         struct vc4_bo *bo;
  78
  79         struct vc4_shader_uniform_info uniforms[2];
  80
  81         uint32_t coord_shader_offset;
  82         uint8_t num_inputs;
  83 };
  84
  85 struct vc4_program_stateobj {
  86         struct pipe_shader_state *bind_vs, *bind_fs;
  87         struct vc4_compiled_shader *vs, *fs;
  88         uint32_t dirty;
  89         uint8_t num_exports;
  90         /* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index
  91          * for TGSI_SEMANTIC_GENERIC.  Special vs exports (position and point-
  92          * size) are not included in this
  93          */
  94         uint8_t export_linkage[63];
  95 };
  96
  97 struct vc4_constbuf_stateobj {
  98         struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS];
  99         uint32_t enabled_mask;
 100         uint32_t dirty_mask;
 101 };
 102
 103 struct vc4_vertexbuf_stateobj {
 104         struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
 105         unsigned count;
 106         uint32_t enabled_mask;
 107         uint32_t dirty_mask;
 108 };
 109
 110 struct vc4_vertex_stateobj {
 111         struct pipe_vertex_element pipe[PIPE_MAX_ATTRIBS];
 112         unsigned num_elements;
 113 };
 114
 115 struct vc4_context {
 116         struct pipe_context base;
 117
 118         int fd;
 119         struct vc4_screen *screen;
 120
 121         struct vc4_cl bcl;
 122         struct vc4_cl rcl;
 123         struct vc4_cl shader_rec;
 124         struct vc4_cl uniforms;
 125         struct vc4_cl bo_handles;
 126 #ifdef USE_VC4_SIMULATOR
 127         struct vc4_cl bo_pointers;
 128 #endif
 129         uint32_t shader_rec_count;
 130
 131         struct vc4_bo *tile_alloc;
 132         struct vc4_bo *tile_state;
 133
 134         struct util_slab_mempool transfer_pool;
 135         struct blitter_context *blitter;
 136
 137         /** bitfield of VC4_DIRTY_* */
 138         uint32_t dirty;
 139
 140         /**
 141          * Set if some drawing (triangles, blits, or just a glClear()) has
 142          * been done to the FBO, meaning that we need to
 143          * DRM_IOCTL_VC4_SUBMIT_CL.
 144          */
 145         bool needs_flush;
 146
 147         struct primconvert_context *primconvert;
 148
 149         struct util_hash_table *fs_cache, *vs_cache;
 150
 151         /** @{ Current pipeline state objects */
 152         struct pipe_scissor_state scissor;
 153         struct pipe_blend_state *blend;
 154         struct vc4_rasterizer_state *rasterizer;
 155         struct pipe_depth_stencil_alpha_state *zsa;
 156
 157         struct vc4_texture_stateobj verttex, fragtex;
 158
 159         struct vc4_program_stateobj prog;
 160
 161         struct vc4_vertex_stateobj *vtx;
 162
 163         struct pipe_blend_color blend_color;
 164         struct pipe_stencil_ref stencil_ref;
 165         unsigned sample_mask;
 166         struct pipe_framebuffer_state framebuffer;
 167         struct pipe_poly_stipple stipple;
 168         struct pipe_viewport_state viewport;
 169         struct vc4_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
 170         struct vc4_vertexbuf_stateobj vertexbuf;
 171         struct pipe_index_buffer indexbuf;
 172         /** @} */
 173 };
 174
 175 struct vc4_rasterizer_state {
 176         struct pipe_rasterizer_state base;
 177
 178         /* VC4_CONFIGURATION_BITS */
 179         uint8_t config_bits[3];
 180
 181         float point_size;
 182 };
 183
 184 static inline struct vc4_context *
 185 vc4_context(struct pipe_context *pcontext)
 186 {
 187         return (struct vc4_context *)pcontext;
 188 }
 189
 190 struct pipe_context *vc4_context_create(struct pipe_screen *pscreen,
 191                                         void *priv);
 192 void vc4_draw_init(struct pipe_context *pctx);
 193 void vc4_state_init(struct pipe_context *pctx);
 194 void vc4_program_init(struct pipe_context *pctx);
 195 void vc4_simulator_init(struct vc4_screen *screen);
 196 int vc4_simulator_flush(struct vc4_context *vc4,
 197                         struct drm_vc4_submit_cl *args,
 198                         struct vc4_surface *color_surf);
 199
 200 void vc4_write_uniforms(struct vc4_context *vc4,
 201                         struct vc4_compiled_shader *shader,
 202                         struct vc4_constbuf_stateobj *cb,
 203                         struct vc4_texture_stateobj *texstate,
 204                         int shader_index);
 205
 206 void vc4_flush(struct pipe_context *pctx);
 207 void vc4_emit_state(struct pipe_context *pctx);
 208 void vc4_generate_code(struct qcompile *c);
 209 void vc4_update_compiled_shaders(struct vc4_context *vc4);
 210
 211 #endif /* VC4_CONTEXT_H */