src/gallium/drivers/r300/r5xx_fs.h

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  *                Joakim Sindholt <opensource@zhasha.com>
   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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 #ifndef R5XX_FS_H
  25 #define R5XX_FS_H
  26
  27 #include "r300_fs_inlines.h"
  28
  29 /* XXX this all should find its way back to r300_reg */
  30 /* Swizzle tools */
  31 #define R500_SWIZZLE_ZERO 4
  32 #define R500_SWIZZLE_HALF 5
  33 #define R500_SWIZZLE_ONE 6
  34 #define R500_SWIZ_RGB_ZERO ((4 << 0) | (4 << 3) | (4 << 6))
  35 #define R500_SWIZ_RGB_ONE ((6 << 0) | (6 << 3) | (6 << 6))
  36 #define R500_SWIZ_RGB_RGB ((0 << 0) | (1 << 3) | (2 << 6))
  37 #define R500_SWIZ_MOD_NEG 1
  38 #define R500_SWIZ_MOD_ABS 2
  39 #define R500_SWIZ_MOD_NEG_ABS 3
  40 /* Swizzles for inst2 */
  41 #define R500_SWIZ_TEX_STRQ(x) ((x) << 8)
  42 #define R500_SWIZ_TEX_RGBA(x) ((x) << 24)
  43 /* Swizzles for inst3 */
  44 #define R500_SWIZ_RGB_A(x) ((x) << 2)
  45 #define R500_SWIZ_RGB_B(x) ((x) << 15)
  46 /* Swizzles for inst4 */
  47 #define R500_SWIZ_ALPHA_A(x) ((x) << 14)
  48 #define R500_SWIZ_ALPHA_B(x) ((x) << 21)
  49 /* Swizzle for inst5 */
  50 #define R500_SWIZ_RGBA_C(x) ((x) << 14)
  51 #define R500_SWIZ_ALPHA_C(x) ((x) << 27)
  52 /* Writemasks */
  53 #define R500_TEX_WMASK(x) ((x) << 11)
  54 #define R500_ALU_WMASK(x) ((x) << 11)
  55 #define R500_ALU_OMASK(x) ((x) << 15)
  56 #define R500_W_OMASK (1 << 31)
  57
  58 static struct r5xx_fragment_shader r5xx_passthrough_fragment_shader = {
  59     .shader.stack_size = 0,
  60     .instruction_count = 1,
  61     .instructions[0].inst0 = R500_INST_TYPE_OUT |
  62         R500_INST_TEX_SEM_WAIT | R500_INST_LAST |
  63         R500_INST_RGB_OMASK_RGB | R500_INST_ALPHA_OMASK |
  64         R500_INST_RGB_CLAMP | R500_INST_ALPHA_CLAMP,
  65     .instructions[0].inst1 =
  66         R500_RGB_ADDR0(0) | R500_RGB_ADDR1(0) | R500_RGB_ADDR1_CONST |
  67         R500_RGB_ADDR2(0) | R500_RGB_ADDR2_CONST,
  68     .instructions[0].inst2 =
  69         R500_ALPHA_ADDR0(0) | R500_ALPHA_ADDR1(0) | R500_ALPHA_ADDR1_CONST |
  70         R500_ALPHA_ADDR2(0) | R500_ALPHA_ADDR2_CONST,
  71     .instructions[0].inst3 =
  72         R500_ALU_RGB_SEL_A_SRC0 | R500_ALU_RGB_R_SWIZ_A_R |
  73         R500_ALU_RGB_G_SWIZ_A_G | R500_ALU_RGB_B_SWIZ_A_B |
  74         R500_ALU_RGB_SEL_B_SRC0 | R500_ALU_RGB_R_SWIZ_B_R |
  75         R500_ALU_RGB_B_SWIZ_B_G | R500_ALU_RGB_G_SWIZ_B_B,
  76     .instructions[0].inst4 =
  77         R500_ALPHA_OP_CMP | R500_ALPHA_SWIZ_A_A | R500_ALPHA_SWIZ_B_A,
  78     .instructions[0].inst5 =
  79         R500_ALU_RGBA_OP_CMP | R500_ALU_RGBA_R_SWIZ_0 |
  80         R500_ALU_RGBA_G_SWIZ_0 | R500_ALU_RGBA_B_SWIZ_0 |
  81         R500_ALU_RGBA_A_SWIZ_0,
  82 };
  83
  84 static struct r5xx_fragment_shader r5xx_texture_fragment_shader = {
  85     .shader.stack_size = 1,
  86     .instruction_count = 2,
  87     .instructions[0].inst0 = R500_INST_TYPE_TEX |
  88         R500_INST_TEX_SEM_WAIT |
  89         R500_INST_RGB_WMASK_RGB | R500_INST_ALPHA_WMASK |
  90         R500_INST_RGB_CLAMP | R500_INST_ALPHA_CLAMP,
  91     .instructions[0].inst1 = R500_TEX_ID(0) | R500_TEX_INST_LD |
  92         R500_TEX_SEM_ACQUIRE | R500_TEX_IGNORE_UNCOVERED,
  93     .instructions[0].inst2 = R500_TEX_SRC_ADDR(0) |
  94         R500_TEX_SRC_S_SWIZ_R | R500_TEX_SRC_T_SWIZ_G |
  95         R500_TEX_SRC_R_SWIZ_B | R500_TEX_SRC_Q_SWIZ_A |
  96         R500_TEX_DST_ADDR(0) |
  97         R500_TEX_DST_R_SWIZ_R | R500_TEX_DST_G_SWIZ_G |
  98         R500_TEX_DST_B_SWIZ_B | R500_TEX_DST_A_SWIZ_A,
  99     .instructions[0].inst3 = 0x0,
 100     .instructions[0].inst4 = 0x0,
 101     .instructions[0].inst5 = 0x0,
 102     .instructions[1].inst0 = R500_INST_TYPE_OUT |
 103         R500_INST_TEX_SEM_WAIT | R500_INST_LAST |
 104         R500_INST_RGB_OMASK_RGB | R500_INST_ALPHA_OMASK |
 105         R500_INST_RGB_CLAMP | R500_INST_ALPHA_CLAMP,
 106     .instructions[1].inst1 =
 107         R500_RGB_ADDR0(0) | R500_RGB_ADDR1(0) | R500_RGB_ADDR1_CONST |
 108         R500_RGB_ADDR2(0) | R500_RGB_ADDR2_CONST,
 109     .instructions[1].inst2 =
 110         R500_ALPHA_ADDR0(0) | R500_ALPHA_ADDR1(0) | R500_ALPHA_ADDR1_CONST |
 111         R500_ALPHA_ADDR2(0) | R500_ALPHA_ADDR2_CONST,
 112     .instructions[1].inst3 =
 113         R500_ALU_RGB_SEL_A_SRC0 | R500_ALU_RGB_R_SWIZ_A_R |
 114         R500_ALU_RGB_G_SWIZ_A_G | R500_ALU_RGB_B_SWIZ_A_B |
 115         R500_ALU_RGB_SEL_B_SRC0 | R500_ALU_RGB_R_SWIZ_B_R |
 116         R500_ALU_RGB_B_SWIZ_B_G | R500_ALU_RGB_G_SWIZ_B_B,
 117     .instructions[1].inst4 =
 118         R500_ALPHA_OP_CMP | R500_ALPHA_SWIZ_A_A | R500_ALPHA_SWIZ_B_A,
 119     .instructions[1].inst5 =
 120         R500_ALU_RGBA_OP_CMP | R500_ALU_RGBA_R_SWIZ_0 |
 121         R500_ALU_RGBA_G_SWIZ_0 | R500_ALU_RGBA_B_SWIZ_0 |
 122         R500_ALU_RGBA_A_SWIZ_0,
 123 };
 124
 125 void r5xx_fs_finalize(struct r5xx_fragment_shader* fs,
 126                       struct r300_fs_asm* assembler);
 127
 128 void r5xx_fs_instruction(struct r5xx_fragment_shader* fs,
 129                          struct r300_fs_asm* assembler,
 130                          struct tgsi_full_instruction* inst);
 131
 132 #endif /* R5XX_FS_H */