src/gallium/drivers/lima/lima_gpu.h

   1 /*
   2  * Copyright (c) 2011-2013 Luc Verhaegen <libv@skynet.be>
   3  * Copyright (c) 2017-2019 Lima Project
   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, sub license,
   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
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the 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 NON-INFRINGEMENT. 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
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  */
  25
  26 #ifndef H_LIMA_GPU
  27 #define H_LIMA_GPU
  28
  29 #include <stdint.h>
  30 #include <assert.h>
  31
  32 #include <util/u_dynarray.h>
  33
  34 struct lima_gp_frame_reg {
  35    uint32_t vs_cmd_start;
  36    uint32_t vs_cmd_end;
  37    uint32_t plbu_cmd_start;
  38    uint32_t plbu_cmd_end;
  39    uint32_t tile_heap_start;
  40    uint32_t tile_heap_end;
  41 };
  42
  43 struct lima_pp_frame_reg {
  44    uint32_t plbu_array_address;
  45    uint32_t render_address;
  46    uint32_t unused_0;
  47    uint32_t flags;
  48    uint32_t clear_value_depth;
  49    uint32_t clear_value_stencil;
  50    uint32_t clear_value_color;
  51    uint32_t clear_value_color_1;
  52    uint32_t clear_value_color_2;
  53    uint32_t clear_value_color_3;
  54    uint32_t width;
  55    uint32_t height;
  56    uint32_t fragment_stack_address;
  57    uint32_t fragment_stack_size;
  58    uint32_t unused_1;
  59    uint32_t unused_2;
  60    uint32_t one;
  61    uint32_t supersampled_height;
  62    uint32_t dubya;
  63    uint32_t onscreen;
  64    uint32_t blocking;
  65    uint32_t scale;
  66    uint32_t channel_layout;
  67 };
  68
  69 struct lima_pp_wb_reg {
  70    uint32_t type;
  71    uint32_t address;
  72    uint32_t pixel_format;
  73    uint32_t downsample_factor;
  74    uint32_t pixel_layout;
  75    uint32_t pitch;
  76    uint32_t mrt_bits;
  77    uint32_t mrt_pitch;
  78    uint32_t zero;
  79    uint32_t unused0;
  80    uint32_t unused1;
  81    uint32_t unused2;
  82 };
  83
  84 struct lima_render_state {
  85    uint32_t blend_color_bg;
  86    uint32_t blend_color_ra;
  87    uint32_t alpha_blend;
  88    uint32_t depth_test;
  89    uint32_t depth_range;
  90    uint32_t stencil_front;
  91    uint32_t stencil_back;
  92    uint32_t stencil_test;
  93    uint32_t multi_sample;
  94    uint32_t shader_address;
  95    uint32_t varying_types;
  96    uint32_t uniforms_address;
  97    uint32_t textures_address;
  98    uint32_t aux0;
  99    uint32_t aux1;
 100    uint32_t varyings_address;
 101 };
 102
 103 /* plbu commands */
 104 #define PLBU_CMD_BEGIN(array, max) { \
 105    int i = 0, max_n = max; \
 106    struct util_dynarray *plbu_cmd_array = array; \
 107    uint32_t *plbu_cmd = util_dynarray_ensure_cap(plbu_cmd_array, plbu_cmd_array->size + max_n * 4);
 108
 109 #define PLBU_CMD_END() \
 110    assert(i <= max_n); \
 111    plbu_cmd_array->size += i * 4; \
 112 }
 113
 114 #define PLBU_CMD_CURRENT_POS() \
 115    (util_dynarray_num_elements(plbu_cmd_array, uint32_t) + i)
 116
 117 #define PLBU_CMD(v1, v2) \
 118    do { \
 119       plbu_cmd[i++] = v1; \
 120       plbu_cmd[i++] = v2; \
 121    } while (0)
 122
 123 #define PLBU_CMD_BLOCK_STEP(shift_min, shift_h, shift_w) \
 124    PLBU_CMD(((shift_min) << 28) | ((shift_h) << 16) | (shift_w), 0x1000010C)
 125 #define PLBU_CMD_TILED_DIMENSIONS(tiled_w, tiled_h) \
 126    PLBU_CMD((((tiled_w) - 1) << 24) | (((tiled_h) - 1) << 8), 0x10000109)
 127 #define PLBU_CMD_BLOCK_STRIDE(block_w) PLBU_CMD((block_w) & 0xff, 0x30000000)
 128 #define PLBU_CMD_ARRAY_ADDRESS(gp_stream, block_num) \
 129    PLBU_CMD(gp_stream, 0x28000000 | ((block_num) - 1) | 1)
 130 #define PLBU_CMD_VIEWPORT_LEFT(v) PLBU_CMD(v, 0x10000107)
 131 #define PLBU_CMD_VIEWPORT_RIGHT(v) PLBU_CMD(v, 0x10000108)
 132 #define PLBU_CMD_VIEWPORT_BOTTOM(v) PLBU_CMD(v, 0x10000105)
 133 #define PLBU_CMD_VIEWPORT_TOP(v) PLBU_CMD(v, 0x10000106)
 134 #define PLBU_CMD_ARRAYS_SEMAPHORE_BEGIN() PLBU_CMD(0x00010002, 0x60000000)
 135 #define PLBU_CMD_ARRAYS_SEMAPHORE_END() PLBU_CMD(0x00010001, 0x60000000)
 136 #define PLBU_CMD_PRIMITIVE_SETUP(force_point_size, cull, index_size) \
 137    PLBU_CMD(0x2200 | ((force_point_size) ? 0x1000 : 0) | \
 138             (cull) | ((index_size) << 9), 0x1000010B)
 139 #define PLBU_CMD_RSW_VERTEX_ARRAY(rsw, gl_pos) \
 140    PLBU_CMD(rsw, 0x80000000 | ((gl_pos) >> 4))
 141 #define PLBU_CMD_SCISSORS(minx, maxx, miny, maxy) \
 142    PLBU_CMD(((minx) << 30) | ((maxy) - 1) << 15 | (miny), \
 143             0x70000000 | ((maxx) - 1) << 13 | ((minx) >> 2))
 144 #define PLBU_CMD_UNKNOWN1() PLBU_CMD(0x00000000, 0x1000010A)
 145 #define PLBU_CMD_UNKNOWN2() PLBU_CMD(0x00000200, 0x1000010B)
 146 #define PLBU_CMD_LOW_PRIM_SIZE(v) PLBU_CMD(v, 0x1000010D)
 147 #define PLBU_CMD_DEPTH_RANGE_NEAR(v) PLBU_CMD(v, 0x1000010E)
 148 #define PLBU_CMD_DEPTH_RANGE_FAR(v) PLBU_CMD(v, 0x1000010F)
 149 #define PLBU_CMD_INDEXED_DEST(gl_pos) PLBU_CMD(gl_pos, 0x10000100)
 150 #define PLBU_CMD_INDEXED_PT_SIZE(pt_size) PLBU_CMD(pt_size, 0x10000102)
 151 #define PLBU_CMD_INDICES(va) PLBU_CMD(va, 0x10000101)
 152 #define PLBU_CMD_DRAW_ARRAYS(mode, start, count) \
 153    PLBU_CMD(((count) << 24) | (start), (((mode) & 0x1F) << 16) | ((count) >> 8))
 154 #define PLBU_CMD_DRAW_ELEMENTS(mode, start, count) \
 155    PLBU_CMD(((count) << 24) | (start), \
 156             0x00200000 | (((mode) & 0x1F) << 16) | ((count) >> 8))
 157
 158 /* vs commands */
 159 #define VS_CMD_BEGIN(array, max) { \
 160    int i = 0, max_n = max; \
 161    struct util_dynarray *vs_cmd_array = array; \
 162    uint32_t *vs_cmd = util_dynarray_ensure_cap(vs_cmd_array, vs_cmd_array->size + max_n * 4);
 163
 164 #define VS_CMD_END() \
 165    assert(i <= max_n); \
 166    vs_cmd_array->size += i * 4; \
 167 }
 168
 169 #define VS_CMD(v1, v2) \
 170    do { \
 171       vs_cmd[i++] = v1; \
 172       vs_cmd[i++] = v2; \
 173    } while (0)
 174
 175 #define VS_CMD_ARRAYS_SEMAPHORE_BEGIN_1() VS_CMD(0x00028000, 0x50000000)
 176 #define VS_CMD_ARRAYS_SEMAPHORE_BEGIN_2() VS_CMD(0x00000001, 0x50000000)
 177 #define VS_CMD_ARRAYS_SEMAPHORE_END(index_draw) \
 178    VS_CMD((index_draw) ? 0x00018000 : 0x00000000, 0x50000000)
 179 #define VS_CMD_UNIFORMS_ADDRESS(addr, size) \
 180    VS_CMD(addr, 0x30000000 | ((size) << 12))
 181 #define VS_CMD_SHADER_ADDRESS(addr, size) \
 182    VS_CMD(addr, 0x40000000 | ((size) << 12))
 183 #define VS_CMD_SHADER_INFO(prefetch, size) \
 184    VS_CMD(((prefetch) << 20) | ((((size) >> 4) - 1) << 10), 0x10000040)
 185 #define VS_CMD_VARYING_ATTRIBUTE_COUNT(nv, na) \
 186    VS_CMD((((nv) - 1) << 8) | (((na) - 1) << 24), 0x10000042)
 187 #define VS_CMD_UNKNOWN1() VS_CMD(0x00000003, 0x10000041)
 188 #define VS_CMD_UNKNOWN2() VS_CMD(0x00000000, 0x60000000)
 189 #define VS_CMD_ATTRIBUTES_ADDRESS(addr, na) \
 190    VS_CMD(addr, 0x20000000 | ((na) << 17))
 191 #define VS_CMD_VARYINGS_ADDRESS(addr, nv) \
 192    VS_CMD(addr, 0x20000008 | ((nv) << 17))
 193 #define VS_CMD_DRAW(num, index_draw) \
 194    VS_CMD(((num) << 24) | ((index_draw) ? 1 : 0), ((num) >> 8))
 195
 196 #endif