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/*
* Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef R300_STATE_TCL_H
#define R300_STATE_TCL_H
#include "tgsi/tgsi_parse.h"
#include "r300_context.h"
#include "r300_debug.h"
#include "r300_reg.h"
#include "r300_screen.h"
/* XXX get these to r300_reg */
#define R300_PVS_DST_OPCODE(x) ((x) << 0)
# define R300_VE_DOT_PRODUCT 1
# define R300_VE_MULTIPLY 2
# define R300_VE_ADD 3
# define R300_VE_MAXIMUM 7
# define R300_VE_SET_LESS_THAN 10
#define R300_PVS_DST_MATH_INST (1 << 6)
# define R300_ME_RECIP_DX 6
#define R300_PVS_DST_MACRO_INST (1 << 7)
# define R300_PVS_MACRO_OP_2CLK_MADD 0
#define R300_PVS_DST_REG_TYPE(x) ((x) << 8)
# define R300_PVS_DST_REG_TEMPORARY 0
# define R300_PVS_DST_REG_A0 1
# define R300_PVS_DST_REG_OUT 2
# define R300_PVS_DST_REG_OUT_REPL_X 3
# define R300_PVS_DST_REG_ALT_TEMPORARY 4
# define R300_PVS_DST_REG_INPUT 5
#define R300_PVS_DST_OFFSET(x) ((x) << 13)
#define R300_PVS_DST_WE(x) ((x) << 20)
#define R300_PVS_DST_WE_XYZW (0xf << 20)
#define R300_PVS_SRC_REG_TYPE(x) ((x) << 0)
# define R300_PVS_SRC_REG_TEMPORARY 0
# define R300_PVS_SRC_REG_INPUT 1
# define R300_PVS_SRC_REG_CONSTANT 2
# define R300_PVS_SRC_REG_ALT_TEMPORARY 3
#define R300_PVS_SRC_OFFSET(x) ((x) << 5)
#define R300_PVS_SRC_SWIZZLE(x) ((x) << 13)
# define R300_PVS_SRC_SELECT_X 0
# define R300_PVS_SRC_SELECT_Y 1
# define R300_PVS_SRC_SELECT_Z 2
# define R300_PVS_SRC_SELECT_W 3
# define R300_PVS_SRC_SELECT_FORCE_0 4
# define R300_PVS_SRC_SELECT_FORCE_1 5
# define R300_PVS_SRC_SWIZZLE_XYZW \
((R300_PVS_SRC_SELECT_X | (R300_PVS_SRC_SELECT_Y << 3) | \
(R300_PVS_SRC_SELECT_Z << 6) | (R300_PVS_SRC_SELECT_W << 9)) << 13)
# define R300_PVS_SRC_SWIZZLE_ZERO \
((R300_PVS_SRC_SELECT_FORCE_0 | (R300_PVS_SRC_SELECT_FORCE_0 << 3) | \
(R300_PVS_SRC_SELECT_FORCE_0 << 6) | \
(R300_PVS_SRC_SELECT_FORCE_0 << 9)) << 13)
# define R300_PVS_SRC_SWIZZLE_ONE \
((R300_PVS_SRC_SELECT_FORCE_1 | (R300_PVS_SRC_SELECT_FORCE_1 << 3) | \
(R300_PVS_SRC_SELECT_FORCE_1 << 6) | \
(R300_PVS_SRC_SELECT_FORCE_1 << 9)) << 13)
#define R300_PVS_MODIFIER_X (1 << 25)
#define R300_PVS_MODIFIER_Y (1 << 26)
#define R300_PVS_MODIFIER_Z (1 << 27)
#define R300_PVS_MODIFIER_W (1 << 28)
#define R300_PVS_NEGATE_XYZW \
(R300_PVS_MODIFIER_X | R300_PVS_MODIFIER_Y | \
R300_PVS_MODIFIER_Z | R300_PVS_MODIFIER_W)
static const struct tgsi_full_src_register r300_constant_zero = {
.SrcRegister.Extended = TRUE,
.SrcRegister.File = TGSI_FILE_NULL,
.SrcRegisterExtSwz.ExtSwizzleX = TGSI_EXTSWIZZLE_ZERO,
.SrcRegisterExtSwz.ExtSwizzleY = TGSI_EXTSWIZZLE_ZERO,
.SrcRegisterExtSwz.ExtSwizzleZ = TGSI_EXTSWIZZLE_ZERO,
.SrcRegisterExtSwz.ExtSwizzleW = TGSI_EXTSWIZZLE_ZERO,
};
/* Temporary struct used to hold assembly state while putting together
* fragment programs. */
struct r300_vs_asm {
/* Pipe context. */
struct r300_context* r300;
/* Number of colors. */
unsigned color_count;
/* Number of texcoords. */
unsigned tex_count;
/* Number of requested temporary registers. */
unsigned temp_count;
/* Offset for immediate constants. Neither R300 nor R500 can do four
* inline constants per source, so instead we copy immediates into the
* constant buffer. */
unsigned imm_offset;
/* Number of immediate constants. */
unsigned imm_count;
/* Number of colors to write. */
unsigned out_colors;
/* Number of texcoords to write. */
unsigned out_texcoords;
/* Whether to emit point size. */
boolean point_size;
/* Tab of declared outputs to OVM outputs. */
unsigned tab[16];
};
static struct r300_vertex_shader r300_passthrough_vertex_shader = {
/* XXX translate these back into normal instructions */
.instruction_count = 2,
.instructions[0].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) |
R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) |
R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW,
.instructions[0].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) |
R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW,
.instructions[0].inst2 = R300_PVS_SRC_SWIZZLE_ZERO,
.instructions[0].inst3 = 0x0,
.instructions[1].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) |
R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) |
R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW,
.instructions[1].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) |
R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW,
.instructions[1].inst2 = R300_PVS_SRC_SWIZZLE_ZERO,
.instructions[1].inst3 = 0x0,
};
static struct r300_vertex_shader r300_texture_vertex_shader = {
/* XXX translate these back into normal instructions */
.instruction_count = 2,
.instructions[0].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) |
R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) |
R300_PVS_DST_OFFSET(0) | R300_PVS_DST_WE_XYZW,
.instructions[0].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) |
R300_PVS_SRC_OFFSET(0) | R300_PVS_SRC_SWIZZLE_XYZW,
.instructions[0].inst2 = R300_PVS_SRC_SWIZZLE_ZERO,
.instructions[0].inst3 = 0x0,
.instructions[1].inst0 = R300_PVS_DST_OPCODE(R300_VE_ADD) |
R300_PVS_DST_REG_TYPE(R300_PVS_DST_REG_OUT) |
R300_PVS_DST_OFFSET(1) | R300_PVS_DST_WE_XYZW,
.instructions[1].inst1 = R300_PVS_SRC_REG_TYPE(R300_PVS_SRC_REG_INPUT) |
R300_PVS_SRC_OFFSET(1) | R300_PVS_SRC_SWIZZLE_XYZW,
.instructions[1].inst2 = R300_PVS_SRC_SWIZZLE_ZERO,
.instructions[1].inst3 = 0x0,
};
void r300_translate_vertex_shader(struct r300_context* r300,
struct r300_vertex_shader* vs);
#endif /* R300_STATE_TCL_H */
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