diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c index 8283723bad..dd20b4603e 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c @@ -180,6 +180,20 @@ static void transform_ABS(struct radeon_transform_context* t, emit1(t->Program, OPCODE_MOV, inst->SaturateMode, inst->DstReg, src); } +static void transform_DP3(struct radeon_transform_context* t, + struct prog_instruction* inst) +{ + struct prog_src_register src0 = inst->SrcReg[0]; + struct prog_src_register src1 = inst->SrcReg[1]; + src0.Negate &= ~NEGATE_W; + src0.Swizzle &= ~(7 << (3 * 3)); + src0.Swizzle |= SWIZZLE_ZERO << (3 * 3); + src1.Negate &= ~NEGATE_W; + src1.Swizzle &= ~(7 << (3 * 3)); + src1.Swizzle |= SWIZZLE_ZERO << (3 * 3); + emit2(t->Program, OPCODE_DP4, inst->SaturateMode, inst->DstReg, src0, src1); +} + static void transform_DPH(struct radeon_transform_context* t, struct prog_instruction* inst) { @@ -416,6 +430,38 @@ GLboolean radeonTransformALU(struct radeon_transform_context* t, } +static void transform_r300_vertex_ABS(struct radeon_transform_context* t, + struct prog_instruction* inst) +{ + /* Note: r500 can take absolute values, but r300 cannot. */ + struct prog_src_register src1 = inst->SrcReg[0]; + src1.Negate ^= NEGATE_XYZW; + + emit2(t->Program, OPCODE_MAX, inst->SaturateMode, inst->DstReg, inst->SrcReg[0], src1); +} + +/** + * For use with radeonLocalTransform, this transforms non-native ALU + * instructions of the r300 up to r500 vertex engine. + */ +GLboolean r300_transform_vertex_alu(struct radeon_transform_context* t, + struct prog_instruction* inst, + void* unused) +{ + switch(inst->Opcode) { + case OPCODE_ABS: transform_r300_vertex_ABS(t, inst); return GL_TRUE; + case OPCODE_DP3: transform_DP3(t, inst); return GL_TRUE; + case OPCODE_DPH: transform_DPH(t, inst); return GL_TRUE; + case OPCODE_FLR: transform_FLR(t, inst); return GL_TRUE; + case OPCODE_LRP: transform_LRP(t, inst); return GL_TRUE; + case OPCODE_SUB: transform_SUB(t, inst); return GL_TRUE; + case OPCODE_SWZ: transform_SWZ(t, inst); return GL_TRUE; + case OPCODE_XPD: transform_XPD(t, inst); return GL_TRUE; + default: + return GL_FALSE; + } +} + static void sincos_constants(struct radeon_transform_context* t, GLuint *constants) { static const GLfloat SinCosConsts[2][4] = { |