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;
  45
  46 struct etna_index_buffer {
  47    struct pipe_index_buffer ib;
  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 };
  74
  75 struct etna_vertexbuf_state {
  76    struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
  77    struct compiled_set_vertex_buffer cvb[PIPE_MAX_ATTRIBS];
  78    unsigned count;
  79    uint32_t enabled_mask;
  80 };
  81
  82 enum etna_immediate_contents {
  83    ETNA_IMMEDIATE_UNUSED = 0,
  84    ETNA_IMMEDIATE_CONSTANT,
  85    ETNA_IMMEDIATE_TEXRECT_SCALE_X,
  86    ETNA_IMMEDIATE_TEXRECT_SCALE_Y,
  87 };
  88
  89 struct etna_shader_uniform_info {
  90    enum etna_immediate_contents *imm_contents;
  91    uint32_t *imm_data;
  92    uint32_t imm_count;
  93    uint32_t const_count;
  94 };
  95
  96 struct etna_context {
  97    struct pipe_context base;
  98
  99    struct etna_specs specs;
 100    struct etna_screen *screen;
 101    struct etna_cmd_stream *stream;
 102
 103    /* which state objects need to be re-emit'd: */
 104    enum {
 105       ETNA_DIRTY_BLEND           = (1 << 0),
 106       ETNA_DIRTY_SAMPLERS        = (1 << 1),
 107       ETNA_DIRTY_RASTERIZER      = (1 << 2),
 108       ETNA_DIRTY_ZSA             = (1 << 3),
 109       ETNA_DIRTY_VERTEX_ELEMENTS = (1 << 4),
 110       ETNA_DIRTY_BLEND_COLOR     = (1 << 6),
 111       ETNA_DIRTY_STENCIL_REF     = (1 << 7),
 112       ETNA_DIRTY_SAMPLE_MASK     = (1 << 8),
 113       ETNA_DIRTY_VIEWPORT        = (1 << 9),
 114       ETNA_DIRTY_FRAMEBUFFER     = (1 << 10),
 115       ETNA_DIRTY_SCISSOR         = (1 << 11),
 116       ETNA_DIRTY_SAMPLER_VIEWS   = (1 << 12),
 117       ETNA_DIRTY_CONSTBUF        = (1 << 13),
 118       ETNA_DIRTY_VERTEX_BUFFERS  = (1 << 14),
 119       ETNA_DIRTY_INDEX_BUFFER    = (1 << 15),
 120       ETNA_DIRTY_SHADER          = (1 << 16),
 121       ETNA_DIRTY_TS              = (1 << 17),
 122       ETNA_DIRTY_TEXTURE_CACHES  = (1 << 18),
 123    } dirty;
 124
 125    uint32_t prim_hwsupport;
 126    struct primconvert_context *primconvert;
 127
 128    /* list of resources used by currently-unsubmitted renders */
 129    struct list_head used_resources;
 130
 131    struct slab_child_pool transfer_pool;
 132    struct blitter_context *blitter;
 133
 134    /* compiled bindable state */
 135    unsigned sample_mask;
 136    struct pipe_blend_state *blend;
 137    unsigned num_fragment_samplers;
 138    uint32_t active_samplers;
 139    struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
 140    struct pipe_rasterizer_state *rasterizer;
 141    struct pipe_depth_stencil_alpha_state *zsa;
 142    struct compiled_vertex_elements_state *vertex_elements;
 143    struct compiled_shader_state shader_state;
 144
 145    /* to simplify the emit process we store pre compiled state objects,
 146     * which got 'compiled' during state change. */
 147    struct compiled_blend_color blend_color;
 148    struct compiled_stencil_ref stencil_ref;
 149    struct compiled_framebuffer_state framebuffer;
 150    struct compiled_scissor_state scissor;
 151    struct compiled_viewport_state viewport;
 152    unsigned num_fragment_sampler_views;
 153    uint32_t active_sampler_views;
 154    struct pipe_sampler_view *sampler_view[PIPE_MAX_SAMPLERS];
 155    struct pipe_constant_buffer constant_buffer[PIPE_SHADER_TYPES];
 156    struct etna_vertexbuf_state vertex_buffer;
 157    struct etna_index_buffer index_buffer;
 158
 159    /* pointers to the bound state. these are mainly kept around for the blitter */
 160    struct etna_shader *vs;
 161    struct etna_shader *fs;
 162
 163    /* saved parameter-like state. these are mainly kept around for the blitter */
 164    struct pipe_framebuffer_state framebuffer_s;
 165    struct pipe_stencil_ref stencil_ref_s;
 166    struct pipe_viewport_state viewport_s;
 167    struct pipe_scissor_state scissor_s;
 168
 169    /* cached state of entire GPU */
 170    struct etna_3d_state gpu3d;
 171
 172    /* stats/counters */
 173    struct {
 174       uint64_t prims_emitted;
 175       uint64_t draw_calls;
 176    } stats;
 177 };
 178
 179 static inline struct etna_context *
 180 etna_context(struct pipe_context *pctx)
 181 {
 182    return (struct etna_context *)pctx;
 183 }
 184
 185 static inline struct etna_transfer *
 186 etna_transfer(struct pipe_transfer *p)
 187 {
 188    return (struct etna_transfer *)p;
 189 }
 190
 191 struct pipe_context *
 192 etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
 193
 194 #endif