diff options
author | Nicolai Hähnle <[email protected]> | 2009-07-23 18:40:41 +0200 |
---|---|---|
committer | Nicolai Hähnle <[email protected]> | 2009-07-27 20:32:05 +0200 |
commit | 84445273ed554ea6fa65c894bbe098eb3f3d1230 (patch) | |
tree | c20e06d79c14cf4512c80ef4db4621ce4be36e88 /src/mesa/drivers/dri/r300/compiler | |
parent | 11cd795940723e79f99e7887a2e2dd8410352572 (diff) |
r300: Move vertex program compilation to compiler
This is just the first step of refactoring. The separation is not yet
clean enough with this commit.
Signed-off-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler')
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/Makefile | 1 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c | 1533 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_code.h | 25 | ||||
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_compiler.h | 10 |
4 files changed, 1569 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/Makefile b/src/mesa/drivers/dri/r300/compiler/Makefile index c0fd85c1810..4e2ff50c69d 100644 --- a/src/mesa/drivers/dri/r300/compiler/Makefile +++ b/src/mesa/drivers/dri/r300/compiler/Makefile @@ -17,6 +17,7 @@ C_SOURCES = \ r300_fragprog_emit.c \ r500_fragprog.c \ r500_fragprog_emit.c \ + r3xx_vertprog.c \ \ memory_pool.c diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c new file mode 100644 index 00000000000..b074c98ee9d --- /dev/null +++ b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c @@ -0,0 +1,1533 @@ +/* + * Copyright 2009 Nicolai Hähnle <[email protected]> + * + * 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. */ + +#include "radeon_compiler.h" + +#include "../r300_reg.h" + +#include "radeon_nqssadce.h" + +#include "shader/prog_optimize.h" +#include "shader/prog_print.h" + + +/* TODO: Get rid of t_src_class call */ +#define CMP_SRCS(a, b) ((a.RelAddr != b.RelAddr) || (a.Index != b.Index && \ + ((t_src_class(a.File) == PVS_SRC_REG_CONSTANT && \ + t_src_class(b.File) == PVS_SRC_REG_CONSTANT) || \ + (t_src_class(a.File) == PVS_SRC_REG_INPUT && \ + t_src_class(b.File) == PVS_SRC_REG_INPUT)))) \ + +/* + * Take an already-setup and valid source then swizzle it appropriately to + * obtain a constant ZERO or ONE source. + */ +#define __CONST(x, y) \ + (PVS_SRC_OPERAND(t_src_index(vp, &src[x]), \ + t_swizzle(y), \ + t_swizzle(y), \ + t_swizzle(y), \ + t_swizzle(y), \ + t_src_class(src[x].File), \ + NEGATE_NONE) | (src[x].RelAddr << 4)) + + + + +static unsigned long t_dst_mask(GLuint mask) +{ + /* WRITEMASK_* is equivalent to VSF_FLAG_* */ + return mask & WRITEMASK_XYZW; +} + +static unsigned long t_dst_class(gl_register_file file) +{ + + switch (file) { + case PROGRAM_TEMPORARY: + return PVS_DST_REG_TEMPORARY; + case PROGRAM_OUTPUT: + return PVS_DST_REG_OUT; + case PROGRAM_ADDRESS: + return PVS_DST_REG_A0; + /* + case PROGRAM_INPUT: + case PROGRAM_LOCAL_PARAM: + case PROGRAM_ENV_PARAM: + case PROGRAM_NAMED_PARAM: + case PROGRAM_STATE_VAR: + case PROGRAM_WRITE_ONLY: + case PROGRAM_ADDRESS: + */ + default: + fprintf(stderr, "problem in %s", __FUNCTION__); + _mesa_exit(-1); + return -1; + } +} + +static unsigned long t_dst_index(struct r300_vertex_program_code *vp, + struct prog_dst_register *dst) +{ + if (dst->File == PROGRAM_OUTPUT) + return vp->outputs[dst->Index]; + + return dst->Index; +} + +static unsigned long t_src_class(gl_register_file file) +{ + switch (file) { + case PROGRAM_TEMPORARY: + return PVS_SRC_REG_TEMPORARY; + case PROGRAM_INPUT: + return PVS_SRC_REG_INPUT; + case PROGRAM_LOCAL_PARAM: + case PROGRAM_ENV_PARAM: + case PROGRAM_NAMED_PARAM: + case PROGRAM_CONSTANT: + case PROGRAM_STATE_VAR: + return PVS_SRC_REG_CONSTANT; + /* + case PROGRAM_OUTPUT: + case PROGRAM_WRITE_ONLY: + case PROGRAM_ADDRESS: + */ + default: + fprintf(stderr, "problem in %s", __FUNCTION__); + _mesa_exit(-1); + return -1; + } +} + +static INLINE unsigned long t_swizzle(GLubyte swizzle) +{ + /* this is in fact a NOP as the Mesa SWIZZLE_* are all identical to VSF_IN_COMPONENT_* */ + return swizzle; +} + +static unsigned long t_src_index(struct r300_vertex_program_code *vp, + struct prog_src_register *src) +{ + if (src->File == PROGRAM_INPUT) { + assert(vp->inputs[src->Index] != -1); + return vp->inputs[src->Index]; + } else { + if (src->Index < 0) { + fprintf(stderr, + "negative offsets for indirect addressing do not work.\n"); + return 0; + } + return src->Index; + } +} + +/* these two functions should probably be merged... */ + +static unsigned long t_src(struct r300_vertex_program_code *vp, + struct prog_src_register *src) +{ + /* src->Negate uses the NEGATE_ flags from program_instruction.h, + * which equal our VSF_FLAGS_ values, so it's safe to just pass it here. + */ + return PVS_SRC_OPERAND(t_src_index(vp, src), + t_swizzle(GET_SWZ(src->Swizzle, 0)), + t_swizzle(GET_SWZ(src->Swizzle, 1)), + t_swizzle(GET_SWZ(src->Swizzle, 2)), + t_swizzle(GET_SWZ(src->Swizzle, 3)), + t_src_class(src->File), + src->Negate) | (src->RelAddr << 4); +} + +static unsigned long t_src_scalar(struct r300_vertex_program_code *vp, + struct prog_src_register *src) +{ + /* src->Negate uses the NEGATE_ flags from program_instruction.h, + * which equal our VSF_FLAGS_ values, so it's safe to just pass it here. + */ + return PVS_SRC_OPERAND(t_src_index(vp, src), + t_swizzle(GET_SWZ(src->Swizzle, 0)), + t_swizzle(GET_SWZ(src->Swizzle, 0)), + t_swizzle(GET_SWZ(src->Swizzle, 0)), + t_swizzle(GET_SWZ(src->Swizzle, 0)), + t_src_class(src->File), + src->Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src->RelAddr << 4); +} + +static GLboolean valid_dst(struct r300_vertex_program_code *vp, + struct prog_dst_register *dst) +{ + if (dst->File == PROGRAM_OUTPUT && vp->outputs[dst->Index] == -1) { + return GL_FALSE; + } else if (dst->File == PROGRAM_ADDRESS) { + assert(dst->Index == 0); + } + + return GL_TRUE; +} + +static GLuint *r300TranslateOpcodeABS(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + //MAX RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W + + inst[0] = PVS_OP_DST_OPERAND(VE_MAXIMUM, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), + t_swizzle(GET_SWZ(src[0].Swizzle, 1)), + t_swizzle(GET_SWZ(src[0].Swizzle, 2)), + t_swizzle(GET_SWZ(src[0].Swizzle, 3)), + t_src_class(src[0].File), + (!src[0]. + Negate) ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[3] = 0; + + return inst; +} + +static GLuint *r300TranslateOpcodeADD(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_ADD, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeARL(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_FLT2FIX_DX, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeDP3(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + //DOT RESULT 1.X Y Z W PARAM 0{} {X Y Z ZERO} PARAM 0{} {X Y Z ZERO} + + inst[0] = PVS_OP_DST_OPERAND(VE_DOT_PRODUCT, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), + t_swizzle(GET_SWZ(src[0].Swizzle, 1)), + t_swizzle(GET_SWZ(src[0].Swizzle, 2)), + SWIZZLE_ZERO, + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[2] = + PVS_SRC_OPERAND(t_src_index(vp, &src[1]), + t_swizzle(GET_SWZ(src[1].Swizzle, 0)), + t_swizzle(GET_SWZ(src[1].Swizzle, 1)), + t_swizzle(GET_SWZ(src[1].Swizzle, 2)), SWIZZLE_ZERO, + t_src_class(src[1].File), + src[1].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[1].RelAddr << 4); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeDP4(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_DOT_PRODUCT, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeDPH(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + //DOT RESULT 1.X Y Z W PARAM 0{} {X Y Z ONE} PARAM 0{} {X Y Z W} + inst[0] = PVS_OP_DST_OPERAND(VE_DOT_PRODUCT, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), + t_swizzle(GET_SWZ(src[0].Swizzle, 1)), + t_swizzle(GET_SWZ(src[0].Swizzle, 2)), + PVS_SRC_SELECT_FORCE_1, + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZ : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeDST(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_DISTANCE_VECTOR, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeEX2(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(ME_EXP_BASE2_FULL_DX, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src_scalar(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeEXP(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(ME_EXP_BASE2_DX, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src_scalar(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeFLR(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3], + int *u_temp_i) +{ + /* FRC TMP 0.X Y Z W PARAM 0{} {X Y Z W} + ADD RESULT 1.X Y Z W PARAM 0{} {X Y Z W} TMP 0{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W */ + + inst[0] = PVS_OP_DST_OPERAND(VE_FRACTION, + GL_FALSE, + GL_FALSE, + *u_temp_i, + t_dst_mask(vpi->DstReg.WriteMask), + PVS_DST_REG_TEMPORARY); + inst[1] = t_src(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + inst += 4; + + inst[0] = PVS_OP_DST_OPERAND(VE_ADD, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = PVS_SRC_OPERAND(*u_temp_i, + PVS_SRC_SELECT_X, + PVS_SRC_SELECT_Y, + PVS_SRC_SELECT_Z, + PVS_SRC_SELECT_W, PVS_SRC_REG_TEMPORARY, + /* Not 100% sure about this */ + (!src[0]. + Negate) ? NEGATE_XYZW : NEGATE_NONE); + inst[3] = __CONST(0, SWIZZLE_ZERO); + (*u_temp_i)--; + + return inst; +} + +static GLuint *r300TranslateOpcodeFRC(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_FRACTION, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeLG2(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + // LG2 RESULT 1.X Y Z W PARAM 0{} {X X X X} + + inst[0] = PVS_OP_DST_OPERAND(ME_LOG_BASE2_FULL_DX, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeLIT(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + //LIT TMP 1.Y Z TMP 1{} {X W Z Y} TMP 1{} {Y W Z X} TMP 1{} {Y X Z W} + + inst[0] = PVS_OP_DST_OPERAND(ME_LIGHT_COEFF_DX, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + /* NOTE: Users swizzling might not work. */ + inst[1] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 0)), // X + t_swizzle(GET_SWZ(src[0].Swizzle, 3)), // W + PVS_SRC_SELECT_FORCE_0, // Z + t_swizzle(GET_SWZ(src[0].Swizzle, 1)), // Y + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[2] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(src[0].Swizzle, 3)), // W + PVS_SRC_SELECT_FORCE_0, // Z + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), // X + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[3] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), // X + PVS_SRC_SELECT_FORCE_0, // Z + t_swizzle(GET_SWZ(src[0].Swizzle, 3)), // W + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + + return inst; +} + +static GLuint *r300TranslateOpcodeLOG(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(ME_LOG_BASE2_DX, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src_scalar(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeMAD(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(PVS_MACRO_OP_2CLK_MADD, + GL_FALSE, + GL_TRUE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = t_src(vp, &src[2]); + + return inst; +} + +static GLuint *r300TranslateOpcodeMAX(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_MAXIMUM, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeMIN(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_MINIMUM, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeMOV(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + //ADD RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{} {ZERO ZERO ZERO ZERO} + + inst[0] = PVS_OP_DST_OPERAND(VE_ADD, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeMUL(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_MULTIPLY, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodePOW(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(ME_POWER_FUNC_FF, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src_scalar(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = t_src_scalar(vp, &src[1]); + + return inst; +} + +static GLuint *r300TranslateOpcodeRCP(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(ME_RECIP_DX, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src_scalar(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeRSQ(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(ME_RECIP_SQRT_DX, + GL_TRUE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src_scalar(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeSGE(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_SET_GREATER_THAN_EQUAL, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeSLT(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + inst[0] = PVS_OP_DST_OPERAND(VE_SET_LESS_THAN, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = t_src(vp, &src[1]); + inst[3] = __CONST(1, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeSUB(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + //ADD RESULT 1.X Y Z W TMP 0{} {X Y Z W} PARAM 1{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W + +#if 0 + inst[0] = PVS_OP_DST_OPERAND(VE_ADD, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = PVS_SRC_OPERAND(t_src_index(vp, &src[1]), + t_swizzle(GET_SWZ(src[1].Swizzle, 0)), + t_swizzle(GET_SWZ(src[1].Swizzle, 1)), + t_swizzle(GET_SWZ(src[1].Swizzle, 2)), + t_swizzle(GET_SWZ(src[1].Swizzle, 3)), + t_src_class(src[1].File), + (!src[1]. + Negate) ? NEGATE_XYZW : NEGATE_NONE) | + (src[1].RelAddr << 4); + inst[3] = 0; +#else + inst[0] = + PVS_OP_DST_OPERAND(VE_MULTIPLY_ADD, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ONE); + inst[3] = PVS_SRC_OPERAND(t_src_index(vp, &src[1]), + t_swizzle(GET_SWZ(src[1].Swizzle, 0)), + t_swizzle(GET_SWZ(src[1].Swizzle, 1)), + t_swizzle(GET_SWZ(src[1].Swizzle, 2)), + t_swizzle(GET_SWZ(src[1].Swizzle, 3)), + t_src_class(src[1].File), + (!src[1]. + Negate) ? NEGATE_XYZW : NEGATE_NONE) | + (src[1].RelAddr << 4); +#endif + + return inst; +} + +static GLuint *r300TranslateOpcodeSWZ(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3]) +{ + //ADD RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{} {ZERO ZERO ZERO ZERO} + + inst[0] = PVS_OP_DST_OPERAND(VE_ADD, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = t_src(vp, &src[0]); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + + return inst; +} + +static GLuint *r300TranslateOpcodeXPD(struct r300_vertex_program_code *vp, + struct prog_instruction *vpi, + GLuint * inst, + struct prog_src_register src[3], + int *u_temp_i) +{ + /* mul r0, r1.yzxw, r2.zxyw + mad r0, -r2.yzxw, r1.zxyw, r0 + */ + + inst[0] = PVS_OP_DST_OPERAND(VE_MULTIPLY_ADD, + GL_FALSE, + GL_FALSE, + *u_temp_i, + t_dst_mask(vpi->DstReg.WriteMask), + PVS_DST_REG_TEMPORARY); + inst[1] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(src[0].Swizzle, 2)), // Z + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), // X + t_swizzle(GET_SWZ(src[0].Swizzle, 3)), // W + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[2] = PVS_SRC_OPERAND(t_src_index(vp, &src[1]), t_swizzle(GET_SWZ(src[1].Swizzle, 2)), // Z + t_swizzle(GET_SWZ(src[1].Swizzle, 0)), // X + t_swizzle(GET_SWZ(src[1].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(src[1].Swizzle, 3)), // W + t_src_class(src[1].File), + src[1].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[1].RelAddr << 4); + inst[3] = __CONST(1, SWIZZLE_ZERO); + inst += 4; + + inst[0] = PVS_OP_DST_OPERAND(VE_MULTIPLY_ADD, + GL_FALSE, + GL_FALSE, + t_dst_index(vp, &vpi->DstReg), + t_dst_mask(vpi->DstReg.WriteMask), + t_dst_class(vpi->DstReg.File)); + inst[1] = PVS_SRC_OPERAND(t_src_index(vp, &src[1]), t_swizzle(GET_SWZ(src[1].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(src[1].Swizzle, 2)), // Z + t_swizzle(GET_SWZ(src[1].Swizzle, 0)), // X + t_swizzle(GET_SWZ(src[1].Swizzle, 3)), // W + t_src_class(src[1].File), + (!src[1]. + Negate) ? NEGATE_XYZW : NEGATE_NONE) | + (src[1].RelAddr << 4); + inst[2] = PVS_SRC_OPERAND(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 2)), // Z + t_swizzle(GET_SWZ(src[0].Swizzle, 0)), // X + t_swizzle(GET_SWZ(src[0].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(src[0].Swizzle, 3)), // W + t_src_class(src[0].File), + src[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (src[0].RelAddr << 4); + inst[3] = + PVS_SRC_OPERAND(*u_temp_i, PVS_SRC_SELECT_X, PVS_SRC_SELECT_Y, + PVS_SRC_SELECT_Z, PVS_SRC_SELECT_W, + PVS_SRC_REG_TEMPORARY, NEGATE_NONE); + + (*u_temp_i)--; + + return inst; +} + +static void t_inputs_outputs(struct r300_vertex_program_code *vp, struct gl_program * glvp) +{ + int i; + int cur_reg; + GLuint OutputsWritten, InputsRead; + + OutputsWritten = glvp->OutputsWritten; + InputsRead = glvp->InputsRead; + + cur_reg = -1; + for (i = 0; i < VERT_ATTRIB_MAX; i++) { + if (InputsRead & (1 << i)) + vp->inputs[i] = ++cur_reg; + else + vp->inputs[i] = -1; + } + + cur_reg = 0; + for (i = 0; i < VERT_RESULT_MAX; i++) + vp->outputs[i] = -1; + + assert(OutputsWritten & (1 << VERT_RESULT_HPOS)); + + if (OutputsWritten & (1 << VERT_RESULT_HPOS)) { + vp->outputs[VERT_RESULT_HPOS] = cur_reg++; + } + + if (OutputsWritten & (1 << VERT_RESULT_PSIZ)) { + vp->outputs[VERT_RESULT_PSIZ] = cur_reg++; + } + + /* If we're writing back facing colors we need to send + * four colors to make front/back face colors selection work. + * If the vertex program doesn't write all 4 colors, lets + * pretend it does by skipping output index reg so the colors + * get written into appropriate output vectors. + */ + if (OutputsWritten & (1 << VERT_RESULT_COL0)) { + vp->outputs[VERT_RESULT_COL0] = cur_reg++; + } else if (OutputsWritten & (1 << VERT_RESULT_BFC0) || + OutputsWritten & (1 << VERT_RESULT_BFC1)) { + cur_reg++; + } + + if (OutputsWritten & (1 << VERT_RESULT_COL1)) { + vp->outputs[VERT_RESULT_COL1] = cur_reg++; + } else if (OutputsWritten & (1 << VERT_RESULT_BFC0) || + OutputsWritten & (1 << VERT_RESULT_BFC1)) { + cur_reg++; + } + + if (OutputsWritten & (1 << VERT_RESULT_BFC0)) { + vp->outputs[VERT_RESULT_BFC0] = cur_reg++; + } else if (OutputsWritten & (1 << VERT_RESULT_BFC1)) { + cur_reg++; + } + + if (OutputsWritten & (1 << VERT_RESULT_BFC1)) { + vp->outputs[VERT_RESULT_BFC1] = cur_reg++; + } else if (OutputsWritten & (1 << VERT_RESULT_BFC0)) { + cur_reg++; + } + + for (i = VERT_RESULT_TEX0; i <= VERT_RESULT_TEX7; i++) { + if (OutputsWritten & (1 << i)) { + vp->outputs[i] = cur_reg++; + } + } + + if (OutputsWritten & (1 << VERT_RESULT_FOGC)) { + vp->outputs[VERT_RESULT_FOGC] = cur_reg++; + } +} + +static GLboolean translate_vertex_program(struct r300_vertex_program_compiler * compiler) +{ + struct prog_instruction *vpi = compiler->program->Instructions; + int i; + GLuint *inst; + unsigned long num_operands; + /* Initial value should be last tmp reg that hw supports. + Strangely enough r300 doesnt mind even though these would be out of range. + Smart enough to realize that it doesnt need it? */ + int u_temp_i = VSF_MAX_FRAGMENT_TEMPS - 1; + struct prog_src_register src[3]; + struct r300_vertex_program_code * vp = compiler->code; + + compiler->code->pos_end = 0; /* Not supported yet */ + compiler->code->length = 0; + + t_inputs_outputs(compiler->code, compiler->program); + + for (inst = compiler->code->body.d; vpi->Opcode != OPCODE_END; + vpi++, inst += 4) { + + { + int u_temp_used = (VSF_MAX_FRAGMENT_TEMPS - 1) - u_temp_i; + if((compiler->code->num_temporaries + u_temp_used) > VSF_MAX_FRAGMENT_TEMPS) { + fprintf(stderr, "Ran out of temps, num temps %d, us %d\n", compiler->code->num_temporaries, u_temp_used); + return GL_FALSE; + } + u_temp_i=VSF_MAX_FRAGMENT_TEMPS-1; + } + + if (!valid_dst(compiler->code, &vpi->DstReg)) { + /* redirect result to unused temp */ + vpi->DstReg.File = PROGRAM_TEMPORARY; + vpi->DstReg.Index = u_temp_i; + } + + num_operands = _mesa_num_inst_src_regs(vpi->Opcode); + + /* copy the sources (src) from mesa into a local variable... is this needed? */ + for (i = 0; i < num_operands; i++) { + src[i] = vpi->SrcReg[i]; + } + + if (num_operands == 3) { /* TODO: scalars */ + if (CMP_SRCS(src[1], src[2]) + || CMP_SRCS(src[0], src[2])) { + inst[0] = PVS_OP_DST_OPERAND(VE_ADD, + GL_FALSE, + GL_FALSE, + u_temp_i, + WRITEMASK_XYZW, + PVS_DST_REG_TEMPORARY); + inst[1] = + PVS_SRC_OPERAND(t_src_index(compiler->code, &src[2]), + SWIZZLE_X, + SWIZZLE_Y, + SWIZZLE_Z, + SWIZZLE_W, + t_src_class(src[2].File), + NEGATE_NONE) | (src[2]. + RelAddr << + 4); + inst[2] = __CONST(2, SWIZZLE_ZERO); + inst[3] = __CONST(2, SWIZZLE_ZERO); + inst += 4; + + src[2].File = PROGRAM_TEMPORARY; + src[2].Index = u_temp_i; + src[2].RelAddr = 0; + u_temp_i--; + } + } + + if (num_operands >= 2) { + if (CMP_SRCS(src[1], src[0])) { + inst[0] = PVS_OP_DST_OPERAND(VE_ADD, + GL_FALSE, + GL_FALSE, + u_temp_i, + WRITEMASK_XYZW, + PVS_DST_REG_TEMPORARY); + inst[1] = + PVS_SRC_OPERAND(t_src_index(compiler->code, &src[0]), + SWIZZLE_X, + SWIZZLE_Y, + SWIZZLE_Z, + SWIZZLE_W, + t_src_class(src[0].File), + NEGATE_NONE) | (src[0]. + RelAddr << + 4); + inst[2] = __CONST(0, SWIZZLE_ZERO); + inst[3] = __CONST(0, SWIZZLE_ZERO); + inst += 4; + + src[0].File = PROGRAM_TEMPORARY; + src[0].Index = u_temp_i; + src[0].RelAddr = 0; + u_temp_i--; + } + } + + switch (vpi->Opcode) { + case OPCODE_ABS: + inst = r300TranslateOpcodeABS(compiler->code, vpi, inst, src); + break; + case OPCODE_ADD: + inst = r300TranslateOpcodeADD(compiler->code, vpi, inst, src); + break; + case OPCODE_ARL: + inst = r300TranslateOpcodeARL(compiler->code, vpi, inst, src); + break; + case OPCODE_DP3: + inst = r300TranslateOpcodeDP3(compiler->code, vpi, inst, src); + break; + case OPCODE_DP4: + inst = r300TranslateOpcodeDP4(compiler->code, vpi, inst, src); + break; + case OPCODE_DPH: + inst = r300TranslateOpcodeDPH(compiler->code, vpi, inst, src); + break; + case OPCODE_DST: + inst = r300TranslateOpcodeDST(compiler->code, vpi, inst, src); + break; + case OPCODE_EX2: + inst = r300TranslateOpcodeEX2(compiler->code, vpi, inst, src); + break; + case OPCODE_EXP: + inst = r300TranslateOpcodeEXP(compiler->code, vpi, inst, src); + break; + case OPCODE_FLR: + inst = r300TranslateOpcodeFLR(compiler->code, vpi, inst, src, /* FIXME */ + &u_temp_i); + break; + case OPCODE_FRC: + inst = r300TranslateOpcodeFRC(compiler->code, vpi, inst, src); + break; + case OPCODE_LG2: + inst = r300TranslateOpcodeLG2(compiler->code, vpi, inst, src); + break; + case OPCODE_LIT: + inst = r300TranslateOpcodeLIT(compiler->code, vpi, inst, src); + break; + case OPCODE_LOG: + inst = r300TranslateOpcodeLOG(compiler->code, vpi, inst, src); + break; + case OPCODE_MAD: + inst = r300TranslateOpcodeMAD(compiler->code, vpi, inst, src); + break; + case OPCODE_MAX: + inst = r300TranslateOpcodeMAX(compiler->code, vpi, inst, src); + break; + case OPCODE_MIN: + inst = r300TranslateOpcodeMIN(compiler->code, vpi, inst, src); + break; + case OPCODE_MOV: + inst = r300TranslateOpcodeMOV(compiler->code, vpi, inst, src); + break; + case OPCODE_MUL: + inst = r300TranslateOpcodeMUL(compiler->code, vpi, inst, src); + break; + case OPCODE_POW: + inst = r300TranslateOpcodePOW(compiler->code, vpi, inst, src); + break; + case OPCODE_RCP: + inst = r300TranslateOpcodeRCP(compiler->code, vpi, inst, src); + break; + case OPCODE_RSQ: + inst = r300TranslateOpcodeRSQ(compiler->code, vpi, inst, src); + break; + case OPCODE_SGE: + inst = r300TranslateOpcodeSGE(compiler->code, vpi, inst, src); + break; + case OPCODE_SLT: + inst = r300TranslateOpcodeSLT(compiler->code, vpi, inst, src); + break; + case OPCODE_SUB: + inst = r300TranslateOpcodeSUB(compiler->code, vpi, inst, src); + break; + case OPCODE_SWZ: + inst = r300TranslateOpcodeSWZ(compiler->code, vpi, inst, src); + break; + case OPCODE_XPD: + inst = r300TranslateOpcodeXPD(compiler->code, vpi, inst, src, /* FIXME */ + &u_temp_i); + break; + default: + return GL_FALSE; + } + } + + compiler->code->length = (inst - compiler->code->body.d); + if (compiler->code->length >= VSF_MAX_FRAGMENT_LENGTH) { + return GL_FALSE; + } + + return GL_TRUE; +} + +static void insert_wpos(struct gl_program *prog, GLuint temp_index, int tex_id) +{ + struct prog_instruction *vpi; + + _mesa_insert_instructions(prog, prog->NumInstructions - 1, 2); + + vpi = &prog->Instructions[prog->NumInstructions - 3]; + + vpi->Opcode = OPCODE_MOV; + + vpi->DstReg.File = PROGRAM_OUTPUT; + vpi->DstReg.Index = VERT_RESULT_HPOS; + vpi->DstReg.WriteMask = WRITEMASK_XYZW; + vpi->DstReg.CondMask = COND_TR; + + vpi->SrcReg[0].File = PROGRAM_TEMPORARY; + vpi->SrcReg[0].Index = temp_index; + vpi->SrcReg[0].Swizzle = SWIZZLE_XYZW; + + ++vpi; + + vpi->Opcode = OPCODE_MOV; + + vpi->DstReg.File = PROGRAM_OUTPUT; + vpi->DstReg.Index = VERT_RESULT_TEX0 + tex_id; + vpi->DstReg.WriteMask = WRITEMASK_XYZW; + vpi->DstReg.CondMask = COND_TR; + + vpi->SrcReg[0].File = PROGRAM_TEMPORARY; + vpi->SrcReg[0].Index = temp_index; + vpi->SrcReg[0].Swizzle = SWIZZLE_XYZW; + + ++vpi; + + vpi->Opcode = OPCODE_END; +} + +static void pos_as_texcoord(struct gl_program *prog, int tex_id) +{ + struct prog_instruction *vpi; + GLuint tempregi = prog->NumTemporaries; + + prog->NumTemporaries++; + + for (vpi = prog->Instructions; vpi->Opcode != OPCODE_END; vpi++) { + if (vpi->DstReg.File == PROGRAM_OUTPUT && vpi->DstReg.Index == VERT_RESULT_HPOS) { + vpi->DstReg.File = PROGRAM_TEMPORARY; + vpi->DstReg.Index = tempregi; + } + } + + insert_wpos(prog, tempregi, tex_id); + + prog->OutputsWritten |= 1 << (VERT_RESULT_TEX0 + tex_id); +} + +/** + * The fogcoord attribute is special in that only the first component + * is relevant, and the remaining components are always fixed (when read + * from by the fragment program) to yield an X001 pattern. + * + * We need to enforce this either in the vertex program or in the fragment + * program, and this code chooses not to enforce it in the vertex program. + * This is slightly cheaper, as long as the fragment program does not use + * weird swizzles. + * + * And it seems that usually, weird swizzles are not used, so... + * + * See also the counterpart rewriting for fragment programs. + */ +static void fog_as_texcoord(struct gl_program *prog, int tex_id) +{ + struct prog_instruction *vpi; + + vpi = prog->Instructions; + while (vpi->Opcode != OPCODE_END) { + if (vpi->DstReg.File == PROGRAM_OUTPUT && vpi->DstReg.Index == VERT_RESULT_FOGC) { + vpi->DstReg.Index = VERT_RESULT_TEX0 + tex_id; + vpi->DstReg.WriteMask = WRITEMASK_X; + } + + ++vpi; + } + + prog->OutputsWritten &= ~(1 << VERT_RESULT_FOGC); + prog->OutputsWritten |= 1 << (VERT_RESULT_TEX0 + tex_id); +} + +static int translateABS(struct gl_program *prog, int pos) +{ + struct prog_instruction *inst; + + inst = &prog->Instructions[pos]; + + inst->Opcode = OPCODE_MAX; + inst->SrcReg[1] = inst->SrcReg[0]; + inst->SrcReg[1].Negate ^= NEGATE_XYZW; + + return 0; +} + +static int translateDP3(struct gl_program *prog, int pos) +{ + struct prog_instruction *inst; + + inst = &prog->Instructions[pos]; + + inst->Opcode = OPCODE_DP4; + inst->SrcReg[0].Swizzle = combine_swizzles4(inst->SrcReg[0].Swizzle, SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ZERO); + + return 0; +} + +static int translateDPH(struct gl_program *prog, int pos) +{ + struct prog_instruction *inst; + + inst = &prog->Instructions[pos]; + + inst->Opcode = OPCODE_DP4; + inst->SrcReg[0].Swizzle = combine_swizzles4(inst->SrcReg[0].Swizzle, SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE); + + return 0; +} + +static int translateFLR(struct gl_program *prog, int pos) +{ + struct prog_instruction *inst; + struct prog_dst_register dst; + int tmp_idx; + + tmp_idx = prog->NumTemporaries++; + + _mesa_insert_instructions(prog, pos + 1, 1); + + inst = &prog->Instructions[pos]; + dst = inst->DstReg; + + inst->Opcode = OPCODE_FRC; + inst->DstReg.File = PROGRAM_TEMPORARY; + inst->DstReg.Index = tmp_idx; + ++inst; + + inst->Opcode = OPCODE_ADD; + inst->DstReg = dst; + inst->SrcReg[0] = (inst-1)->SrcReg[0]; + inst->SrcReg[1].File = PROGRAM_TEMPORARY; + inst->SrcReg[1].Index = tmp_idx; + inst->SrcReg[1].Negate = NEGATE_XYZW; + + return 1; +} + +static int translateSUB(struct gl_program *prog, int pos) +{ + struct prog_instruction *inst; + + inst = &prog->Instructions[pos]; + + inst->Opcode = OPCODE_ADD; + inst->SrcReg[1].Negate ^= NEGATE_XYZW; + + return 0; +} + +static int translateSWZ(struct gl_program *prog, int pos) +{ + prog->Instructions[pos].Opcode = OPCODE_MOV; + + return 0; +} + +static int translateXPD(struct gl_program *prog, int pos) +{ + struct prog_instruction *inst; + int tmp_idx; + + tmp_idx = prog->NumTemporaries++; + + _mesa_insert_instructions(prog, pos + 1, 1); + + inst = &prog->Instructions[pos]; + + *(inst+1) = *inst; + + inst->Opcode = OPCODE_MUL; + inst->DstReg.File = PROGRAM_TEMPORARY; + inst->DstReg.Index = tmp_idx; + inst->SrcReg[0].Swizzle = combine_swizzles4(inst->SrcReg[0].Swizzle, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_X, SWIZZLE_W); + inst->SrcReg[1].Swizzle = combine_swizzles4(inst->SrcReg[1].Swizzle, SWIZZLE_Z, SWIZZLE_X, SWIZZLE_Y, SWIZZLE_W); + ++inst; + + inst->Opcode = OPCODE_MAD; + inst->SrcReg[0].Swizzle = combine_swizzles4(inst->SrcReg[0].Swizzle, SWIZZLE_Z, SWIZZLE_X, SWIZZLE_Y, SWIZZLE_W); + inst->SrcReg[1].Swizzle = combine_swizzles4(inst->SrcReg[1].Swizzle, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_X, SWIZZLE_W); + inst->SrcReg[1].Negate ^= NEGATE_XYZW; + inst->SrcReg[2].File = PROGRAM_TEMPORARY; + inst->SrcReg[2].Index = tmp_idx; + + return 1; +} + +static void translateInsts(struct gl_program *prog) +{ + struct prog_instruction *inst; + int i; + + for (i = 0; i < prog->NumInstructions; ++i) { + inst = &prog->Instructions[i]; + + switch (inst->Opcode) { + case OPCODE_ABS: + i += translateABS(prog, i); + break; + case OPCODE_DP3: + i += translateDP3(prog, i); + break; + case OPCODE_DPH: + i += translateDPH(prog, i); + break; + case OPCODE_FLR: + i += translateFLR(prog, i); + break; + case OPCODE_SUB: + i += translateSUB(prog, i); + break; + case OPCODE_SWZ: + i += translateSWZ(prog, i); + break; + case OPCODE_XPD: + i += translateXPD(prog, i); + break; + default: + break; + } + } +} + +#define ADD_OUTPUT(fp_attr, vp_result) \ + do { \ + if ((FpReads & (1 << (fp_attr))) && !(compiler->program->OutputsWritten & (1 << (vp_result)))) { \ + OutputsAdded |= 1 << (vp_result); \ + count++; \ + } \ + } while (0) + +static void addArtificialOutputs(struct r300_vertex_program_compiler * compiler) +{ + GLuint OutputsAdded, FpReads; + int i, count; + + OutputsAdded = 0; + count = 0; + FpReads = compiler->state.FpReads; + + ADD_OUTPUT(FRAG_ATTRIB_COL0, VERT_RESULT_COL0); + ADD_OUTPUT(FRAG_ATTRIB_COL1, VERT_RESULT_COL1); + + for (i = 0; i < 7; ++i) { + ADD_OUTPUT(FRAG_ATTRIB_TEX0 + i, VERT_RESULT_TEX0 + i); + } + + /* Some outputs may be artificially added, to match the inputs of the fragment program. + * Issue 16 of vertex program spec says that all vertex attributes that are unwritten by + * vertex program are undefined, so just use MOV [vertex_result], CONST[0] + */ + if (count > 0) { + struct prog_instruction *inst; + + _mesa_insert_instructions(compiler->program, compiler->program->NumInstructions - 1, count); + inst = &compiler->program->Instructions[compiler->program->NumInstructions - 1 - count]; + + for (i = 0; i < VERT_RESULT_MAX; ++i) { + if (OutputsAdded & (1 << i)) { + inst->Opcode = OPCODE_MOV; + + inst->DstReg.File = PROGRAM_OUTPUT; + inst->DstReg.Index = i; + inst->DstReg.WriteMask = WRITEMASK_XYZW; + inst->DstReg.CondMask = COND_TR; + + inst->SrcReg[0].File = PROGRAM_CONSTANT; + inst->SrcReg[0].Index = 0; + inst->SrcReg[0].Swizzle = SWIZZLE_XYZW; + + ++inst; + } + } + + compiler->program->OutputsWritten |= OutputsAdded; + } +} + +#undef ADD_OUTPUT + +static void nqssadceInit(struct nqssadce_state* s) +{ + struct r300_vertex_program_compiler * compiler = s->UserData; + GLuint fp_reads; + + fp_reads = compiler->state.FpReads; + { + if (fp_reads & FRAG_BIT_COL0) { + s->Outputs[VERT_RESULT_COL0].Sourced = WRITEMASK_XYZW; + s->Outputs[VERT_RESULT_BFC0].Sourced = WRITEMASK_XYZW; + } + + if (fp_reads & FRAG_BIT_COL1) { + s->Outputs[VERT_RESULT_COL1].Sourced = WRITEMASK_XYZW; + s->Outputs[VERT_RESULT_BFC1].Sourced = WRITEMASK_XYZW; + } + } + + { + int i; + for (i = 0; i < 8; ++i) { + if (fp_reads & FRAG_BIT_TEX(i)) { + s->Outputs[VERT_RESULT_TEX0 + i].Sourced = WRITEMASK_XYZW; + } + } + } + + s->Outputs[VERT_RESULT_HPOS].Sourced = WRITEMASK_XYZW; + if (s->Program->OutputsWritten & (1 << VERT_RESULT_PSIZ)) + s->Outputs[VERT_RESULT_PSIZ].Sourced = WRITEMASK_X; +} + +static GLboolean swizzleIsNative(GLuint opcode, struct prog_src_register reg) +{ + (void) opcode; + (void) reg; + + return GL_TRUE; +} + + + +GLboolean r3xx_compile_vertex_program(struct r300_vertex_program_compiler* compiler, GLcontext * ctx) +{ + GLboolean success; + + if (compiler->state.WPosAttr != FRAG_ATTRIB_MAX) { + pos_as_texcoord(compiler->program, compiler->state.WPosAttr - FRAG_ATTRIB_TEX0); + } + + if (compiler->state.FogAttr != FRAG_ATTRIB_MAX) { + fog_as_texcoord(compiler->program, compiler->state.FogAttr - FRAG_ATTRIB_TEX0); + } + + addArtificialOutputs(compiler); + + translateInsts(compiler->program); + + if (compiler->Base.Debug) { + fprintf(stderr, "Vertex program after native rewrite:\n"); + _mesa_print_program(compiler->program); + fflush(stdout); + } + + { + struct radeon_nqssadce_descr nqssadce = { + .Init = &nqssadceInit, + .IsNativeSwizzle = &swizzleIsNative, + .BuildSwizzle = NULL + }; + radeonNqssaDce(compiler->program, &nqssadce, compiler); + + /* We need this step for reusing temporary registers */ + _mesa_optimize_program(ctx, compiler->program); + + if (compiler->Base.Debug) { + fprintf(stderr, "Vertex program after NQSSADCE:\n"); + _mesa_print_program(compiler->program); + fflush(stdout); + } + } + + assert(compiler->program->NumInstructions); + { + struct prog_instruction *inst; + int max, i, tmp; + + inst = compiler->program->Instructions; + max = -1; + while (inst->Opcode != OPCODE_END) { + tmp = _mesa_num_inst_src_regs(inst->Opcode); + for (i = 0; i < tmp; ++i) { + if (inst->SrcReg[i].File == PROGRAM_TEMPORARY) { + if ((int) inst->SrcReg[i].Index > max) { + max = inst->SrcReg[i].Index; + } + } + } + + if (_mesa_num_inst_dst_regs(inst->Opcode)) { + if (inst->DstReg.File == PROGRAM_TEMPORARY) { + if ((int) inst->DstReg.Index > max) { + max = inst->DstReg.Index; + } + } + } + ++inst; + } + + /* We actually want highest index of used temporary register, + * not the number of temporaries used. + * These values aren't always the same. + */ + compiler->code->num_temporaries = max + 1; + } + + success = translate_vertex_program(compiler); + + compiler->code->InputsRead = compiler->program->InputsRead; + compiler->code->OutputsWritten = compiler->program->OutputsWritten; + + return success; +} diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_code.h b/src/mesa/drivers/dri/r300/compiler/radeon_code.h index 7d8bf483e79..e89e7bc17b2 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_code.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_code.h @@ -147,4 +147,29 @@ struct rX00_fragment_program_code { }; +#define VSF_MAX_FRAGMENT_LENGTH (255*4) +#define VSF_MAX_FRAGMENT_TEMPS (14) + +struct r300_vertex_program_external_state { + GLuint FpReads; + GLuint FogAttr; + GLuint WPosAttr; +}; + +struct r300_vertex_program_code { + int length; + union { + GLuint d[VSF_MAX_FRAGMENT_LENGTH]; + float f[VSF_MAX_FRAGMENT_LENGTH]; + } body; + + int pos_end; + int num_temporaries; /* Number of temp vars used by program */ + int inputs[VERT_ATTRIB_MAX]; + int outputs[VERT_RESULT_MAX]; + + GLbitfield InputsRead; + GLbitfield OutputsWritten; +}; + #endif /* RADEON_CODE_H */
\ No newline at end of file diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h index a5f70173b7d..f8e4b3c681a 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.h @@ -66,4 +66,14 @@ struct r300_fragment_program_compiler { GLboolean r3xx_compile_fragment_program(struct r300_fragment_program_compiler* c); + +struct r300_vertex_program_compiler { + struct radeon_compiler Base; + struct r300_vertex_program_code *code; + struct r300_vertex_program_external_state state; + struct gl_program *program; +}; + +GLboolean r3xx_compile_vertex_program(struct r300_vertex_program_compiler* c, GLcontext * ctx); + #endif /* RADEON_COMPILER_H */ |