diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/r500_fragprog.c')
-rw-r--r-- | src/mesa/drivers/dri/r300/compiler/r500_fragprog.c | 250 |
1 files changed, 141 insertions, 109 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c index 7e2faed690..d87acecdab 100644 --- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c @@ -27,15 +27,17 @@ #include "r500_fragprog.h" +#include <stdio.h> + #include "../r300_reg.h" -static struct prog_src_register shadow_ambient(struct radeon_compiler * c, int tmu) +static struct rc_src_register shadow_ambient(struct radeon_compiler * c, int tmu) { - struct prog_src_register reg = { 0, }; + struct rc_src_register reg = { 0, }; - reg.File = PROGRAM_STATE_VAR; + reg.File = RC_FILE_CONSTANT; reg.Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_SHADOW_AMBIENT, tmu); - reg.Swizzle = SWIZZLE_WWWW; + reg.Swizzle = RC_SWIZZLE_WWWW; return reg; } @@ -44,7 +46,7 @@ static struct prog_src_register shadow_ambient(struct radeon_compiler * c, int t * - implement texture compare (shadow extensions) * - extract non-native source / destination operands */ -GLboolean r500_transform_TEX( +int r500_transform_TEX( struct radeon_compiler * c, struct rc_instruction * inst, void* data) @@ -52,77 +54,77 @@ GLboolean r500_transform_TEX( struct r300_fragment_program_compiler *compiler = (struct r300_fragment_program_compiler*)data; - if (inst->I.Opcode != OPCODE_TEX && - inst->I.Opcode != OPCODE_TXB && - inst->I.Opcode != OPCODE_TXP && - inst->I.Opcode != OPCODE_KIL) - return GL_FALSE; + if (inst->U.I.Opcode != RC_OPCODE_TEX && + inst->U.I.Opcode != RC_OPCODE_TXB && + inst->U.I.Opcode != RC_OPCODE_TXP && + inst->U.I.Opcode != RC_OPCODE_KIL) + return 0; /* ARB_shadow & EXT_shadow_funcs */ - if (inst->I.Opcode != OPCODE_KIL && - c->Program.ShadowSamplers & (1 << inst->I.TexSrcUnit)) { - GLuint comparefunc = GL_NEVER + compiler->state.unit[inst->I.TexSrcUnit].texture_compare_func; + if (inst->U.I.Opcode != RC_OPCODE_KIL && + c->Program.ShadowSamplers & (1 << inst->U.I.TexSrcUnit)) { + rc_compare_func comparefunc = compiler->state.unit[inst->U.I.TexSrcUnit].texture_compare_func; - if (comparefunc == GL_NEVER || comparefunc == GL_ALWAYS) { - inst->I.Opcode = OPCODE_MOV; + if (comparefunc == RC_COMPARE_FUNC_NEVER || comparefunc == RC_COMPARE_FUNC_ALWAYS) { + inst->U.I.Opcode = RC_OPCODE_MOV; - if (comparefunc == GL_ALWAYS) { - inst->I.SrcReg[0].File = PROGRAM_BUILTIN; - inst->I.SrcReg[0].Swizzle = SWIZZLE_1111; + if (comparefunc == RC_COMPARE_FUNC_ALWAYS) { + inst->U.I.SrcReg[0].File = RC_FILE_NONE; + inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_1111; } else { - inst->I.SrcReg[0] = shadow_ambient(c, inst->I.TexSrcUnit); + inst->U.I.SrcReg[0] = shadow_ambient(c, inst->U.I.TexSrcUnit); } - return GL_TRUE; + return 1; } else { - GLuint comparefunc = GL_NEVER + compiler->state.unit[inst->I.TexSrcUnit].texture_compare_func; - GLuint depthmode = compiler->state.unit[inst->I.TexSrcUnit].depth_texture_mode; + rc_compare_func comparefunc = compiler->state.unit[inst->U.I.TexSrcUnit].texture_compare_func; + unsigned int depthmode = compiler->state.unit[inst->U.I.TexSrcUnit].depth_texture_mode; struct rc_instruction * inst_rcp = rc_insert_new_instruction(c, inst); struct rc_instruction * inst_mad = rc_insert_new_instruction(c, inst_rcp); struct rc_instruction * inst_cmp = rc_insert_new_instruction(c, inst_mad); int pass, fail; - inst_rcp->I.Opcode = OPCODE_RCP; - inst_rcp->I.DstReg.File = PROGRAM_TEMPORARY; - inst_rcp->I.DstReg.Index = rc_find_free_temporary(c); - inst_rcp->I.DstReg.WriteMask = WRITEMASK_W; - inst_rcp->I.SrcReg[0] = inst->I.SrcReg[0]; - inst_rcp->I.SrcReg[0].Swizzle = SWIZZLE_WWWW; - - inst_cmp->I.DstReg = inst->I.DstReg; - inst->I.DstReg.File = PROGRAM_TEMPORARY; - inst->I.DstReg.Index = rc_find_free_temporary(c); - inst->I.DstReg.WriteMask = WRITEMASK_XYZW; - - inst_mad->I.Opcode = OPCODE_MAD; - inst_mad->I.DstReg.File = PROGRAM_TEMPORARY; - inst_mad->I.DstReg.Index = rc_find_free_temporary(c); - inst_mad->I.SrcReg[0] = inst->I.SrcReg[0]; - inst_mad->I.SrcReg[0].Swizzle = SWIZZLE_ZZZZ; - inst_mad->I.SrcReg[1].File = PROGRAM_TEMPORARY; - inst_mad->I.SrcReg[1].Index = inst_rcp->I.DstReg.Index; - inst_mad->I.SrcReg[1].Swizzle = SWIZZLE_WWWW; - inst_mad->I.SrcReg[2].File = PROGRAM_TEMPORARY; - inst_mad->I.SrcReg[2].Index = inst->I.DstReg.Index; + inst_rcp->U.I.Opcode = RC_OPCODE_RCP; + inst_rcp->U.I.DstReg.File = RC_FILE_TEMPORARY; + inst_rcp->U.I.DstReg.Index = rc_find_free_temporary(c); + inst_rcp->U.I.DstReg.WriteMask = RC_MASK_W; + inst_rcp->U.I.SrcReg[0] = inst->U.I.SrcReg[0]; + inst_rcp->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_WWWW; + + inst_cmp->U.I.DstReg = inst->U.I.DstReg; + inst->U.I.DstReg.File = RC_FILE_TEMPORARY; + inst->U.I.DstReg.Index = rc_find_free_temporary(c); + inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; + + inst_mad->U.I.Opcode = RC_OPCODE_MAD; + inst_mad->U.I.DstReg.File = RC_FILE_TEMPORARY; + inst_mad->U.I.DstReg.Index = rc_find_free_temporary(c); + inst_mad->U.I.SrcReg[0] = inst->U.I.SrcReg[0]; + inst_mad->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_ZZZZ; + inst_mad->U.I.SrcReg[1].File = RC_FILE_TEMPORARY; + inst_mad->U.I.SrcReg[1].Index = inst_rcp->U.I.DstReg.Index; + inst_mad->U.I.SrcReg[1].Swizzle = RC_SWIZZLE_WWWW; + inst_mad->U.I.SrcReg[2].File = RC_FILE_TEMPORARY; + inst_mad->U.I.SrcReg[2].Index = inst->U.I.DstReg.Index; if (depthmode == 0) /* GL_LUMINANCE */ - inst_mad->I.SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z); + inst_mad->U.I.SrcReg[2].Swizzle = RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_Z); else if (depthmode == 2) /* GL_ALPHA */ - inst_mad->I.SrcReg[2].Swizzle = SWIZZLE_WWWW; + inst_mad->U.I.SrcReg[2].Swizzle = RC_SWIZZLE_WWWW; /* Recall that SrcReg[0] is tex, SrcReg[2] is r and: * r < tex <=> -tex+r < 0 * r >= tex <=> not (-tex+r < 0 */ - if (comparefunc == GL_LESS || comparefunc == GL_GEQUAL) - inst_mad->I.SrcReg[2].Negate = inst_mad->I.SrcReg[2].Negate ^ NEGATE_XYZW; + if (comparefunc == RC_COMPARE_FUNC_LESS || comparefunc == RC_COMPARE_FUNC_GEQUAL) + inst_mad->U.I.SrcReg[2].Negate = inst_mad->U.I.SrcReg[2].Negate ^ RC_MASK_XYZW; else - inst_mad->I.SrcReg[0].Negate = inst_mad->I.SrcReg[0].Negate ^ NEGATE_XYZW; + inst_mad->U.I.SrcReg[0].Negate = inst_mad->U.I.SrcReg[0].Negate ^ RC_MASK_XYZW; - inst_cmp->I.Opcode = OPCODE_CMP; + inst_cmp->U.I.Opcode = RC_OPCODE_CMP; /* DstReg has been filled out above */ - inst_cmp->I.SrcReg[0].File = PROGRAM_TEMPORARY; - inst_cmp->I.SrcReg[0].Index = inst_mad->I.DstReg.Index; + inst_cmp->U.I.SrcReg[0].File = RC_FILE_TEMPORARY; + inst_cmp->U.I.SrcReg[0].Index = inst_mad->U.I.DstReg.Index; - if (comparefunc == GL_LESS || comparefunc == GL_GREATER) { + if (comparefunc == RC_COMPARE_FUNC_LESS || comparefunc == RC_COMPARE_FUNC_GREATER) { pass = 1; fail = 2; } else { @@ -130,131 +132,161 @@ GLboolean r500_transform_TEX( fail = 1; } - inst_cmp->I.SrcReg[pass].File = PROGRAM_BUILTIN; - inst_cmp->I.SrcReg[pass].Swizzle = SWIZZLE_1111; - inst_cmp->I.SrcReg[fail] = shadow_ambient(c, inst->I.TexSrcUnit); + inst_cmp->U.I.SrcReg[pass].File = RC_FILE_NONE; + inst_cmp->U.I.SrcReg[pass].Swizzle = RC_SWIZZLE_1111; + inst_cmp->U.I.SrcReg[fail] = shadow_ambient(c, inst->U.I.TexSrcUnit); } } /* Cannot write texture to output registers */ - if (inst->I.Opcode != OPCODE_KIL && inst->I.DstReg.File != PROGRAM_TEMPORARY) { + if (inst->U.I.Opcode != RC_OPCODE_KIL && inst->U.I.DstReg.File != RC_FILE_TEMPORARY) { struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst); - inst_mov->I.Opcode = OPCODE_MOV; - inst_mov->I.DstReg = inst->I.DstReg; - inst_mov->I.SrcReg[0].File = PROGRAM_TEMPORARY; - inst_mov->I.SrcReg[0].Index = rc_find_free_temporary(c); + inst_mov->U.I.Opcode = RC_OPCODE_MOV; + inst_mov->U.I.DstReg = inst->U.I.DstReg; + inst_mov->U.I.SrcReg[0].File = RC_FILE_TEMPORARY; + inst_mov->U.I.SrcReg[0].Index = rc_find_free_temporary(c); - inst->I.DstReg.File = PROGRAM_TEMPORARY; - inst->I.DstReg.Index = inst_mov->I.SrcReg[0].Index; - inst->I.DstReg.WriteMask = WRITEMASK_XYZW; + inst->U.I.DstReg.File = RC_FILE_TEMPORARY; + inst->U.I.DstReg.Index = inst_mov->U.I.SrcReg[0].Index; + inst->U.I.DstReg.WriteMask = RC_MASK_XYZW; } /* Cannot read texture coordinate from constants file */ - if (inst->I.SrcReg[0].File != PROGRAM_TEMPORARY && inst->I.SrcReg[0].File != PROGRAM_INPUT) { + if (inst->U.I.SrcReg[0].File != RC_FILE_TEMPORARY && inst->U.I.SrcReg[0].File != RC_FILE_INPUT) { struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst->Prev); - inst_mov->I.Opcode = OPCODE_MOV; - inst_mov->I.DstReg.File = PROGRAM_TEMPORARY; - inst_mov->I.DstReg.Index = rc_find_free_temporary(c); - inst_mov->I.SrcReg[0] = inst->I.SrcReg[0]; + inst_mov->U.I.Opcode = RC_OPCODE_MOV; + inst_mov->U.I.DstReg.File = RC_FILE_TEMPORARY; + inst_mov->U.I.DstReg.Index = rc_find_free_temporary(c); + inst_mov->U.I.SrcReg[0] = inst->U.I.SrcReg[0]; - reset_srcreg(&inst->I.SrcReg[0]); - inst->I.SrcReg[0].File = PROGRAM_TEMPORARY; - inst->I.SrcReg[0].Index = inst_mov->I.DstReg.Index; + reset_srcreg(&inst->U.I.SrcReg[0]); + inst->U.I.SrcReg[0].File = RC_FILE_TEMPORARY; + inst->U.I.SrcReg[0].Index = inst_mov->U.I.DstReg.Index; } - return GL_TRUE; + return 1; +} + +/** + * Rewrite IF instructions to use the ALU result special register. + */ +int r500_transform_IF( + struct radeon_compiler * c, + struct rc_instruction * inst, + void* data) +{ + if (inst->U.I.Opcode != RC_OPCODE_IF) + return 0; + + struct rc_instruction * inst_mov = rc_insert_new_instruction(c, inst->Prev); + inst_mov->U.I.Opcode = RC_OPCODE_MOV; + inst_mov->U.I.DstReg.WriteMask = 0; + inst_mov->U.I.WriteALUResult = RC_ALURESULT_W; + inst_mov->U.I.ALUResultCompare = RC_COMPARE_FUNC_NOTEQUAL; + inst_mov->U.I.SrcReg[0] = inst->U.I.SrcReg[0]; + inst_mov->U.I.SrcReg[0].Swizzle = combine_swizzles4(inst_mov->U.I.SrcReg[0].Swizzle, + RC_SWIZZLE_UNUSED, RC_SWIZZLE_UNUSED, RC_SWIZZLE_UNUSED, RC_SWIZZLE_X); + + inst->U.I.SrcReg[0].File = RC_FILE_SPECIAL; + inst->U.I.SrcReg[0].Index = RC_SPECIAL_ALU_RESULT; + inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_XYZW; + inst->U.I.SrcReg[0].Negate = 0; + + return 1; } -GLboolean r500FPIsNativeSwizzle(GLuint opcode, struct prog_src_register reg) +static int r500_swizzle_is_native(rc_opcode opcode, struct rc_src_register reg) { - GLuint relevant; + unsigned int relevant; int i; - if (opcode == OPCODE_TEX || - opcode == OPCODE_TXB || - opcode == OPCODE_TXP || - opcode == OPCODE_KIL) { + if (opcode == RC_OPCODE_TEX || + opcode == RC_OPCODE_TXB || + opcode == RC_OPCODE_TXP || + opcode == RC_OPCODE_KIL) { if (reg.Abs) - return GL_FALSE; + return 0; - if (opcode == OPCODE_KIL && (reg.Swizzle != SWIZZLE_NOOP || reg.Negate != NEGATE_NONE)) - return GL_FALSE; + if (opcode == RC_OPCODE_KIL && (reg.Swizzle != RC_SWIZZLE_XYZW || reg.Negate != RC_MASK_NONE)) + return 0; if (reg.Negate) - reg.Negate ^= NEGATE_XYZW; + reg.Negate ^= RC_MASK_XYZW; for(i = 0; i < 4; ++i) { - GLuint swz = GET_SWZ(reg.Swizzle, i); - if (swz == SWIZZLE_NIL) { + unsigned int swz = GET_SWZ(reg.Swizzle, i); + if (swz == RC_SWIZZLE_UNUSED) { reg.Negate &= ~(1 << i); continue; } if (swz >= 4) - return GL_FALSE; + return 0; } if (reg.Negate) - return GL_FALSE; + return 0; - return GL_TRUE; - } else if (opcode == OPCODE_DDX || opcode == OPCODE_DDY) { + return 1; + } else if (opcode == RC_OPCODE_DDX || opcode == RC_OPCODE_DDY) { /* DDX/MDH and DDY/MDV explicitly ignore incoming swizzles; * if it doesn't fit perfectly into a .xyzw case... */ - if (reg.Swizzle == SWIZZLE_NOOP && !reg.Abs && !reg.Negate) - return GL_TRUE; + if (reg.Swizzle == RC_SWIZZLE_XYZW && !reg.Abs && !reg.Negate) + return 1; - return GL_FALSE; + return 0; } else { /* ALU instructions support almost everything */ if (reg.Abs) - return GL_TRUE; + return 1; relevant = 0; for(i = 0; i < 3; ++i) { - GLuint swz = GET_SWZ(reg.Swizzle, i); - if (swz != SWIZZLE_NIL && swz != SWIZZLE_ZERO) + unsigned int swz = GET_SWZ(reg.Swizzle, i); + if (swz != RC_SWIZZLE_UNUSED && swz != RC_SWIZZLE_ZERO) relevant |= 1 << i; } if ((reg.Negate & relevant) && ((reg.Negate & relevant) != relevant)) - return GL_FALSE; + return 0; - return GL_TRUE; + return 1; } } /** - * Implement a MOV with a potentially non-native swizzle. + * Split source register access. * * The only thing we *cannot* do in an ALU instruction is per-component - * negation. Therefore, we split the MOV into two instructions when necessary. + * negation. */ -void r500FPBuildSwizzle(struct nqssadce_state *s, struct prog_dst_register dst, struct prog_src_register src) +static void r500_swizzle_split(struct rc_src_register src, unsigned int usemask, + struct rc_swizzle_split * split) { - GLuint negatebase[2] = { 0, 0 }; + unsigned int negatebase[2] = { 0, 0 }; int i; for(i = 0; i < 4; ++i) { - GLuint swz = GET_SWZ(src.Swizzle, i); - if (swz == SWIZZLE_NIL) + unsigned int swz = GET_SWZ(src.Swizzle, i); + if (swz == RC_SWIZZLE_UNUSED || !GET_BIT(usemask, i)) continue; negatebase[GET_BIT(src.Negate, i)] |= 1 << i; } + split->NumPhases = 0; + for(i = 0; i <= 1; ++i) { if (!negatebase[i]) continue; - struct rc_instruction *inst = rc_insert_new_instruction(s->Compiler, s->IP->Prev); - inst->I.Opcode = OPCODE_MOV; - inst->I.DstReg = dst; - inst->I.DstReg.WriteMask = negatebase[i]; - inst->I.SrcReg[0] = src; - inst->I.SrcReg[0].Negate = (i == 0) ? NEGATE_NONE : NEGATE_XYZW; + split->Phase[split->NumPhases++] = negatebase[i]; } } +struct rc_swizzle_caps r500_swizzle_caps = { + .IsNative = r500_swizzle_is_native, + .Split = r500_swizzle_split +}; static char *toswiz(int swiz_val) { switch(swiz_val) { |