src/gallium/drivers/etnaviv/etnaviv_context.h

   1 /*
   2  * Copyright (c) 2012-2015 Etnaviv Project
   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  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the
  12  * next paragraph) shall be included in all copies or substantial portions
  13  * of the 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Wladimir J. van der Laan <laanwj@gmail.com>
  25  *    Christian Gmeiner <christian.gmeiner@gmail.com>
  26  */
  27
  28 #ifndef H_ETNAVIV_CONTEXT
  29 #define H_ETNAVIV_CONTEXT
  30
  31 #include <stdint.h>
  32
  33 #include "etnaviv_resource.h"
  34 #include "etnaviv_tiling.h"
  35 #include "indices/u_primconvert.h"
  36 #include "pipe/p_context.h"
  37 #include "pipe/p_defines.h"
  38 #include "pipe/p_format.h"
  39 #include "pipe/p_shader_tokens.h"
  40 #include "pipe/p_state.h"
  41 #include "util/slab.h"
  42
  43 struct pipe_screen;
  44 struct etna_shader_variant;
  45 struct etna_sampler_ts;
  46
  47 struct etna_index_buffer {
  48    struct etna_reloc FE_INDEX_STREAM_BASE_ADDR;
  49    uint32_t FE_INDEX_STREAM_CONTROL;
  50    uint32_t FE_PRIMITIVE_RESTART_INDEX;
  51 };
  52
  53 struct etna_shader_input {
  54    int vs_reg; /* VS input register */
  55 };
  56
  57 enum etna_varying_special {
  58    ETNA_VARYING_VSOUT = 0, /* from VS */
  59    ETNA_VARYING_POINTCOORD, /* point texture coord */
  60 };
  61
  62 struct etna_shader_varying {
  63    int num_components;
  64    enum etna_varying_special special;
  65    int pa_attributes;
  66    int vs_reg; /* VS output register */
  67 };
  68
  69 struct etna_transfer {
  70    struct pipe_transfer base;
  71    struct pipe_resource *rsc;
  72    void *staging;
  73    void *mapped;
  74 };
  75
  76 struct etna_constbuf_state {
  77    struct pipe_constant_buffer cb[ETNA_MAX_CONST_BUF];
  78    uint32_t enabled_mask;
  79 };
  80
  81 struct etna_vertexbuf_state {
  82    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
  83    struct compiled_set_vertex_buffer cvb[PIPE_MAX_ATTRIBS];
  84    unsigned count;
  85    uint32_t enabled_mask;
  86 };
  87
  88 struct etna_shader_state {
  89    void *bind_vs, *bind_fs;
  90    struct etna_shader_variant *vs, *fs;
  91 };
  92
  93 enum etna_immediate_contents {
  94    ETNA_IMMEDIATE_UNUSED = 0,
  95    ETNA_IMMEDIATE_CONSTANT,
  96    ETNA_IMMEDIATE_UNIFORM,
  97    ETNA_IMMEDIATE_TEXRECT_SCALE_X,
  98    ETNA_IMMEDIATE_TEXRECT_SCALE_Y,
  99    ETNA_IMMEDIATE_UBO0_ADDR,
 100    ETNA_IMMEDIATE_UBOMAX_ADDR = ETNA_IMMEDIATE_UBO0_ADDR + ETNA_MAX_CONST_BUF - 1,
 101 };
 102
 103 struct etna_shader_uniform_info {
 104    enum etna_immediate_contents *imm_contents;
 105    uint32_t *imm_data;
 106    uint32_t imm_count;
 107 };
 108
 109 struct etna_context {
 110    struct pipe_context base;
 111
 112    /* GPU-specific implementation to emit texture state */
 113    void (*emit_texture_state)(struct etna_context *pctx);
 114    /* Get sampler TS pointer for sampler view */
 115    struct etna_sampler_ts *(*ts_for_sampler_view)(struct pipe_sampler_view *pview);
 116    /* GPU-specific blit implementation */
 117    bool (*blit)(struct pipe_context *pipe, const struct pipe_blit_info *info);
 118
 119    struct etna_screen *screen;
 120    struct etna_cmd_stream *stream;
 121
 122    /* which state objects need to be re-emit'd: */
 123    enum {
 124       ETNA_DIRTY_BLEND           = (1 << 0),
 125       ETNA_DIRTY_SAMPLERS        = (1 << 1),
 126       ETNA_DIRTY_RASTERIZER      = (1 << 2),
 127       ETNA_DIRTY_ZSA             = (1 << 3),
 128       ETNA_DIRTY_VERTEX_ELEMENTS = (1 << 4),
 129       ETNA_DIRTY_BLEND_COLOR     = (1 << 6),
 130       ETNA_DIRTY_STENCIL_REF     = (1 << 7),
 131       ETNA_DIRTY_SAMPLE_MASK     = (1 << 8),
 132       ETNA_DIRTY_VIEWPORT        = (1 << 9),
 133       ETNA_DIRTY_FRAMEBUFFER     = (1 << 10),
 134       ETNA_DIRTY_SCISSOR         = (1 << 11),
 135       ETNA_DIRTY_SAMPLER_VIEWS   = (1 << 12),
 136       ETNA_DIRTY_CONSTBUF        = (1 << 13),
 137       ETNA_DIRTY_VERTEX_BUFFERS  = (1 << 14),
 138       ETNA_DIRTY_INDEX_BUFFER    = (1 << 15),
 139       ETNA_DIRTY_SHADER          = (1 << 16),
 140       ETNA_DIRTY_TS              = (1 << 17),
 141       ETNA_DIRTY_TEXTURE_CACHES  = (1 << 18),
 142       ETNA_DIRTY_DERIVE_TS       = (1 << 19),
 143       ETNA_DIRTY_SCISSOR_CLIP    = (1 << 20),
 144    } dirty;
 145
 146    uint32_t prim_hwsupport;
 147    struct primconvert_context *primconvert;
 148
 149    struct slab_child_pool transfer_pool;
 150    struct blitter_context *blitter;
 151
 152    /* compiled bindable state */
 153    unsigned sample_mask;
 154    struct pipe_blend_state *blend;
 155    unsigned num_fragment_samplers;
 156    uint32_t active_samplers;
 157    struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
 158    struct pipe_rasterizer_state *rasterizer;
 159    struct pipe_depth_stencil_alpha_state *zsa;
 160    struct compiled_vertex_elements_state *vertex_elements;
 161    struct compiled_shader_state shader_state;
 162    struct pipe_scissor_state clipping;
 163
 164    /* to simplify the emit process we store pre compiled state objects,
 165     * which got 'compiled' during state change. */
 166    struct compiled_blend_color blend_color;
 167    struct compiled_stencil_ref stencil_ref;
 168    struct compiled_framebuffer_state framebuffer;
 169    struct compiled_viewport_state viewport;
 170    unsigned num_fragment_sampler_views;
 171    uint32_t active_sampler_views;
 172    uint32_t dirty_sampler_views;
 173    struct pipe_sampler_view *sampler_view[PIPE_MAX_SAMPLERS];
 174    struct etna_constbuf_state constant_buffer[PIPE_SHADER_TYPES];
 175    struct etna_vertexbuf_state vertex_buffer;
 176    struct etna_index_buffer index_buffer;
 177    struct etna_shader_state shader;
 178
 179    /* saved parameter-like state. these are mainly kept around for the blitter */
 180    struct pipe_framebuffer_state framebuffer_s;
 181    struct pipe_stencil_ref stencil_ref_s;
 182    struct pipe_viewport_state viewport_s;
 183    struct pipe_scissor_state scissor;
 184
 185    /* stats/counters */
 186    struct {
 187       uint64_t prims_generated;
 188       uint64_t draw_calls;
 189       uint64_t rs_operations;
 190    } stats;
 191
 192    struct pipe_debug_callback debug;
 193    int in_fence_fd;
 194
 195    /* list of accumulated HW queries */
 196    struct list_head active_acc_queries;
 197
 198    struct etna_bo *dummy_rt;
 199    struct etna_reloc dummy_rt_reloc;
 200
 201    /* Dummy texture descriptor (if needed) */
 202    struct etna_bo *dummy_desc_bo;
 203    struct etna_reloc DUMMY_DESC_ADDR;
 204
 205    /* set of resources used by currently-unsubmitted renders */
 206    struct set *used_resources_read;
 207    struct set *used_resources_write;
 208
 209    mtx_t lock;
 210 };
 211
 212 static inline struct etna_context *
 213 etna_context(struct pipe_context *pctx)
 214 {
 215    return (struct etna_context *)pctx;
 216 }
 217
 218 static inline struct etna_transfer *
 219 etna_transfer(struct pipe_transfer *p)
 220 {
 221    return (struct etna_transfer *)p;
 222 }
 223
 224 struct pipe_context *
 225 etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
 226
 227 #endif