diff options
Diffstat (limited to 'src')
4 files changed, 155 insertions, 188 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c index 932f9d97716..f838179f79b 100644 --- a/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r300_fragprog.c @@ -31,12 +31,6 @@ #include "../r300_reg.h" -static void reset_srcreg(struct prog_src_register* reg) -{ - _mesa_bzero(reg, sizeof(*reg)); - reg->Swizzle = SWIZZLE_NOOP; -} - static struct prog_src_register shadow_ambient(struct gl_program *program, int tmu) { gl_state_index fail_value_tokens[STATE_LENGTH] = { diff --git a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c index ff6575b303c..400408620ea 100644 --- a/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c @@ -32,27 +32,18 @@ #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]), \ + (PVS_SRC_OPERAND(t_src_index(vp, &vpi->SrcReg[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)) - - + t_src_class(vpi->SrcReg[x].File), \ + NEGATE_NONE) | (vpi->SrcReg[x].RelAddr << 4)) static unsigned long t_dst_mask(GLuint mask) @@ -121,6 +112,24 @@ static unsigned long t_src_class(gl_register_file file) } } +static GLboolean t_src_conflict(struct prog_src_register a, struct prog_src_register b) +{ + unsigned long aclass = t_src_class(a.File); + unsigned long bclass = t_src_class(b.File); + + if (aclass != bclass) + return GL_FALSE; + if (aclass == PVS_SRC_REG_TEMPORARY) + return GL_FALSE; + + if (a.RelAddr || b.RelAddr) + return GL_TRUE; + if (a.Index != b.Index) + return GL_TRUE; + + return GL_FALSE; +} + 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_* */ @@ -188,11 +197,10 @@ static GLboolean valid_dst(struct r300_vertex_program_code *vp, return GL_TRUE; } -static GLuint * ei_vector1(struct r300_vertex_program_code *vp, +static void ei_vector1(struct r300_vertex_program_code *vp, GLuint hw_opcode, struct prog_instruction *vpi, - GLuint * inst, - struct prog_src_register src[3]) + GLuint * inst) { inst[0] = PVS_OP_DST_OPERAND(hw_opcode, GL_FALSE, @@ -200,18 +208,15 @@ static GLuint * ei_vector1(struct r300_vertex_program_code *vp, 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[1] = t_src(vp, &vpi->SrcReg[0]); inst[2] = __CONST(0, SWIZZLE_ZERO); inst[3] = __CONST(0, SWIZZLE_ZERO); - - return inst; } -static GLuint * ei_vector2(struct r300_vertex_program_code *vp, +static void ei_vector2(struct r300_vertex_program_code *vp, GLuint hw_opcode, struct prog_instruction *vpi, - GLuint * inst, - struct prog_src_register src[3]) + GLuint * inst) { inst[0] = PVS_OP_DST_OPERAND(hw_opcode, GL_FALSE, @@ -219,18 +224,15 @@ static GLuint * ei_vector2(struct r300_vertex_program_code *vp, 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[1] = t_src(vp, &vpi->SrcReg[0]); + inst[2] = t_src(vp, &vpi->SrcReg[1]); inst[3] = __CONST(1, SWIZZLE_ZERO); - - return inst; } -static GLuint *ei_math1(struct r300_vertex_program_code *vp, +static void ei_math1(struct r300_vertex_program_code *vp, GLuint hw_opcode, struct prog_instruction *vpi, - GLuint * inst, - struct prog_src_register src[3]) + GLuint * inst) { inst[0] = PVS_OP_DST_OPERAND(hw_opcode, GL_TRUE, @@ -238,17 +240,14 @@ static GLuint *ei_math1(struct r300_vertex_program_code *vp, 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[1] = t_src_scalar(vp, &vpi->SrcReg[0]); inst[2] = __CONST(0, SWIZZLE_ZERO); inst[3] = __CONST(0, SWIZZLE_ZERO); - - return inst; } -static GLuint *ei_lit(struct r300_vertex_program_code *vp, +static void ei_lit(struct r300_vertex_program_code *vp, struct prog_instruction *vpi, - GLuint * inst, - struct prog_src_register src[3]) + GLuint * inst) { //LIT TMP 1.Y Z TMP 1{} {X W Z Y} TMP 1{} {Y W Z X} TMP 1{} {Y X Z W} @@ -259,35 +258,32 @@ static GLuint *ei_lit(struct r300_vertex_program_code *vp, 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 + inst[1] = PVS_SRC_OPERAND(t_src_index(vp, &vpi->SrcReg[0]), t_swizzle(GET_SWZ(vpi->SrcReg[0].Swizzle, 0)), // X + t_swizzle(GET_SWZ(vpi->SrcReg[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 + t_swizzle(GET_SWZ(vpi->SrcReg[0].Swizzle, 1)), // Y + t_src_class(vpi->SrcReg[0].File), + vpi->SrcReg[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (vpi->SrcReg[0].RelAddr << 4); + inst[2] = PVS_SRC_OPERAND(t_src_index(vp, &vpi->SrcReg[0]), t_swizzle(GET_SWZ(vpi->SrcReg[0].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(vpi->SrcReg[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 + t_swizzle(GET_SWZ(vpi->SrcReg[0].Swizzle, 0)), // X + t_src_class(vpi->SrcReg[0].File), + vpi->SrcReg[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (vpi->SrcReg[0].RelAddr << 4); + inst[3] = PVS_SRC_OPERAND(t_src_index(vp, &vpi->SrcReg[0]), t_swizzle(GET_SWZ(vpi->SrcReg[0].Swizzle, 1)), // Y + t_swizzle(GET_SWZ(vpi->SrcReg[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; + t_swizzle(GET_SWZ(vpi->SrcReg[0].Swizzle, 3)), // W + t_src_class(vpi->SrcReg[0].File), + vpi->SrcReg[0].Negate ? NEGATE_XYZW : NEGATE_NONE) | + (vpi->SrcReg[0].RelAddr << 4); } -static GLuint *ei_mad(struct r300_vertex_program_code *vp, +static void ei_mad(struct r300_vertex_program_code *vp, struct prog_instruction *vpi, - GLuint * inst, - struct prog_src_register src[3]) + GLuint * inst) { inst[0] = PVS_OP_DST_OPERAND(PVS_MACRO_OP_2CLK_MADD, GL_FALSE, @@ -295,17 +291,14 @@ static GLuint *ei_mad(struct r300_vertex_program_code *vp, 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; + inst[1] = t_src(vp, &vpi->SrcReg[0]); + inst[2] = t_src(vp, &vpi->SrcReg[1]); + inst[3] = t_src(vp, &vpi->SrcReg[2]); } -static GLuint *ei_pow(struct r300_vertex_program_code *vp, +static void ei_pow(struct r300_vertex_program_code *vp, struct prog_instruction *vpi, - GLuint * inst, - struct prog_src_register src[3]) + GLuint * inst) { inst[0] = PVS_OP_DST_OPERAND(ME_POWER_FUNC_FF, GL_TRUE, @@ -313,11 +306,9 @@ static GLuint *ei_pow(struct r300_vertex_program_code *vp, 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[1] = t_src_scalar(vp, &vpi->SrcReg[0]); inst[2] = __CONST(0, SWIZZLE_ZERO); - inst[3] = t_src_scalar(vp, &src[1]); - - return inst; + inst[3] = t_src_scalar(vp, &vpi->SrcReg[1]); } static void t_inputs_outputs(struct r300_vertex_program_code *vp, struct gl_program * glvp) @@ -397,15 +388,7 @@ static void t_inputs_outputs(struct r300_vertex_program_code *vp, struct gl_prog 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; @@ -414,109 +397,33 @@ static GLboolean translate_vertex_program(struct r300_vertex_program_compiler * 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; - } - + /* Skip instructions writing to non-existing destination */ 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--; - } + inst -= 4; + continue; } switch (vpi->Opcode) { - case OPCODE_ADD: inst = ei_vector2(compiler->code, VE_ADD, vpi, inst, src); break; - case OPCODE_ARL: inst = ei_vector1(compiler->code, VE_FLT2FIX_DX, vpi, inst, src); break; - case OPCODE_DP4: inst = ei_vector2(compiler->code, VE_DOT_PRODUCT, vpi, inst, src); break; - case OPCODE_DST: inst = ei_vector2(compiler->code, VE_DISTANCE_VECTOR, vpi, inst, src); break; - case OPCODE_EX2: inst = ei_math1(compiler->code, ME_EXP_BASE2_FULL_DX, vpi, inst, src); break; - case OPCODE_EXP: inst = ei_math1(compiler->code, ME_EXP_BASE2_DX, vpi, inst, src); break; - case OPCODE_FRC: inst = ei_vector1(compiler->code, VE_FRACTION, vpi, inst, src); break; - case OPCODE_LG2: inst = ei_math1(compiler->code, ME_LOG_BASE2_FULL_DX, vpi, inst, src); break; - case OPCODE_LIT: inst = ei_lit(compiler->code, vpi, inst, src); break; - case OPCODE_LOG: inst = ei_math1(compiler->code, ME_LOG_BASE2_DX, vpi, inst, src); break; - case OPCODE_MAD: inst = ei_mad(compiler->code, vpi, inst, src); break; - case OPCODE_MAX: inst = ei_vector2(compiler->code, VE_MAXIMUM, vpi, inst, src); break; - case OPCODE_MIN: inst = ei_vector2(compiler->code, VE_MINIMUM, vpi, inst, src); break; - case OPCODE_MOV: inst = ei_vector1(compiler->code, VE_ADD, vpi, inst, src); break; - case OPCODE_MUL: inst = ei_vector2(compiler->code, VE_MULTIPLY, vpi, inst, src); break; - case OPCODE_POW: inst = ei_pow(compiler->code, vpi, inst, src); break; - case OPCODE_RCP: inst = ei_math1(compiler->code, ME_RECIP_DX, vpi, inst, src); break; - case OPCODE_RSQ: inst = ei_math1(compiler->code, ME_RECIP_SQRT_DX, vpi, inst, src); break; - case OPCODE_SGE: inst = ei_vector2(compiler->code, VE_SET_GREATER_THAN_EQUAL, vpi, inst, src); break; - case OPCODE_SLT: inst = ei_vector2(compiler->code, VE_SET_LESS_THAN, vpi, inst, src); break; + case OPCODE_ADD: ei_vector2(compiler->code, VE_ADD, vpi, inst); break; + case OPCODE_ARL: ei_vector1(compiler->code, VE_FLT2FIX_DX, vpi, inst); break; + case OPCODE_DP4: ei_vector2(compiler->code, VE_DOT_PRODUCT, vpi, inst); break; + case OPCODE_DST: ei_vector2(compiler->code, VE_DISTANCE_VECTOR, vpi, inst); break; + case OPCODE_EX2: ei_math1(compiler->code, ME_EXP_BASE2_FULL_DX, vpi, inst); break; + case OPCODE_EXP: ei_math1(compiler->code, ME_EXP_BASE2_DX, vpi, inst); break; + case OPCODE_FRC: ei_vector1(compiler->code, VE_FRACTION, vpi, inst); break; + case OPCODE_LG2: ei_math1(compiler->code, ME_LOG_BASE2_FULL_DX, vpi, inst); break; + case OPCODE_LIT: ei_lit(compiler->code, vpi, inst); break; + case OPCODE_LOG: ei_math1(compiler->code, ME_LOG_BASE2_DX, vpi, inst); break; + case OPCODE_MAD: ei_mad(compiler->code, vpi, inst); break; + case OPCODE_MAX: ei_vector2(compiler->code, VE_MAXIMUM, vpi, inst); break; + case OPCODE_MIN: ei_vector2(compiler->code, VE_MINIMUM, vpi, inst); break; + case OPCODE_MOV: ei_vector1(compiler->code, VE_ADD, vpi, inst); break; + case OPCODE_MUL: ei_vector2(compiler->code, VE_MULTIPLY, vpi, inst); break; + case OPCODE_POW: ei_pow(compiler->code, vpi, inst); break; + case OPCODE_RCP: ei_math1(compiler->code, ME_RECIP_DX, vpi, inst); break; + case OPCODE_RSQ: ei_math1(compiler->code, ME_RECIP_SQRT_DX, vpi, inst); break; + case OPCODE_SGE: ei_vector2(compiler->code, VE_SET_GREATER_THAN_EQUAL, vpi, inst); break; + case OPCODE_SLT: ei_vector2(compiler->code, VE_SET_LESS_THAN, vpi, inst); break; default: fprintf(stderr, "Unknown opcode %i\n", vpi->Opcode); return GL_FALSE; @@ -531,6 +438,55 @@ static GLboolean translate_vertex_program(struct r300_vertex_program_compiler * return GL_TRUE; } +/** + * Vertex engine cannot read two inputs or two constants at the same time. + * Introduce intermediate MOVs to temporary registers to account for this. + */ +static GLboolean transform_source_conflicts( + struct radeon_transform_context *t, + struct prog_instruction* orig_inst, + void* unused) +{ + struct prog_instruction inst = *orig_inst; + struct prog_instruction * dst; + GLuint num_operands = _mesa_num_inst_src_regs(inst.Opcode); + + if (num_operands == 3) { + if (t_src_conflict(inst.SrcReg[1], inst.SrcReg[2]) + || t_src_conflict(inst.SrcReg[0], inst.SrcReg[2])) { + int tmpreg = radeonFindFreeTemporary(t); + struct prog_instruction * inst_mov = radeonAppendInstructions(t->Program, 1); + inst_mov->Opcode = OPCODE_MOV; + inst_mov->DstReg.File = PROGRAM_TEMPORARY; + inst_mov->DstReg.Index = tmpreg; + inst_mov->SrcReg[0] = inst.SrcReg[2]; + + reset_srcreg(&inst.SrcReg[2]); + inst.SrcReg[2].File = PROGRAM_TEMPORARY; + inst.SrcReg[2].Index = tmpreg; + } + } + + if (num_operands >= 2) { + if (t_src_conflict(inst.SrcReg[1], inst.SrcReg[0])) { + int tmpreg = radeonFindFreeTemporary(t); + struct prog_instruction * inst_mov = radeonAppendInstructions(t->Program, 1); + inst_mov->Opcode = OPCODE_MOV; + inst_mov->DstReg.File = PROGRAM_TEMPORARY; + inst_mov->DstReg.Index = tmpreg; + inst_mov->SrcReg[0] = inst.SrcReg[1]; + + reset_srcreg(&inst.SrcReg[1]); + inst.SrcReg[1].File = PROGRAM_TEMPORARY; + inst.SrcReg[1].Index = tmpreg; + } + } + + dst = radeonAppendInstructions(t->Program, 1); + *dst = inst; + return GL_TRUE; +} + static void insert_wpos(struct gl_program *prog, GLuint temp_index, int tex_id) { struct prog_instruction *vpi; @@ -747,6 +703,23 @@ GLboolean r3xx_compile_vertex_program(struct r300_vertex_program_compiler* compi } { + /* Note: This pass has to be done seperately from ALU rewrite, + * otherwise non-native ALU instructions with source conflits + * will not be treated properly. + */ + struct radeon_program_transformation transformations[] = { + { &transform_source_conflicts, 0 }, + }; + radeonLocalTransform(compiler->program, 1, transformations); + } + + if (compiler->Base.Debug) { + fprintf(stderr, "Vertex program after source conflict resolve:\n"); + _mesa_print_program(compiler->program); + fflush(stdout); + } + + { struct radeon_nqssadce_descr nqssadce = { .Init = &nqssadceInit, .IsNativeSwizzle = &swizzleIsNative, diff --git a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c index 4545982bf16..cc9e3aeebb9 100644 --- a/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/compiler/r500_fragprog.c @@ -29,12 +29,6 @@ #include "../r300_reg.h" -static void reset_srcreg(struct prog_src_register* reg) -{ - _mesa_bzero(reg, sizeof(*reg)); - reg->Swizzle = SWIZZLE_NOOP; -} - static struct prog_src_register shadow_ambient(struct gl_program *program, int tmu) { gl_state_index fail_value_tokens[STATE_LENGTH] = { diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program.h b/src/mesa/drivers/dri/r300/compiler/radeon_program.h index 7e0f2544837..0fcedfcd9dd 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program.h +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program.h @@ -79,6 +79,12 @@ static inline GLuint combine_swizzles(GLuint src, GLuint swz) return ret; } +static INLINE void reset_srcreg(struct prog_src_register* reg) +{ + _mesa_bzero(reg, sizeof(*reg)); + reg->Swizzle = SWIZZLE_NOOP; +} + /** * Transformation context that is passed to local transformations. |