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r300: Use C-style comments.

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This commit is contained in:
Vinson Lee 2010-01-03 23:33:32 -08:00
parent 8a29e3f8e8
commit d1e2fc19cc
1 changed files with 15 additions and 15 deletions
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30
src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
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@ -267,9 +267,9 @@ static void transform_LIT(struct radeon_compiler* c,
temp = inst->U.I.DstReg.Index;
srctemp = srcreg(RC_FILE_TEMPORARY, temp);
// tmp.x = max(0.0, Src.x);
// tmp.y = max(0.0, Src.y);
// tmp.w = clamp(Src.z, -128+eps, 128-eps);
/* tmp.x = max(0.0, Src.x); */
/* tmp.y = max(0.0, Src.y); */
/* tmp.w = clamp(Src.z, -128+eps, 128-eps); */
emit2(c, inst->Prev, RC_OPCODE_MAX, 0,
dstregtmpmask(temp, RC_MASK_XYW),
inst->U.I.SrcReg[0],
@ -280,7 +280,7 @@ static void transform_LIT(struct radeon_compiler* c,
swizzle(srctemp, RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W),
negate(srcregswz(RC_FILE_CONSTANT, constant, constant_swizzle)));
// tmp.w = Pow(tmp.y, tmp.w)
/* tmp.w = Pow(tmp.y, tmp.w) */
emit1(c, inst->Prev, RC_OPCODE_LG2, 0,
dstregtmpmask(temp, RC_MASK_W),
swizzle(srctemp, RC_SWIZZLE_Y, RC_SWIZZLE_Y, RC_SWIZZLE_Y, RC_SWIZZLE_Y));
@ -292,14 +292,14 @@ static void transform_LIT(struct radeon_compiler* c,
dstregtmpmask(temp, RC_MASK_W),
swizzle(srctemp, RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W));
// tmp.z = (tmp.x > 0) ? tmp.w : 0.0
/* tmp.z = (tmp.x > 0) ? tmp.w : 0.0 */
emit3(c, inst->Prev, RC_OPCODE_CMP, inst->U.I.SaturateMode,
dstregtmpmask(temp, RC_MASK_Z),
negate(swizzle(srctemp, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X)),
swizzle(srctemp, RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W, RC_SWIZZLE_W),
builtin_zero);
// tmp.x, tmp.y, tmp.w = 1.0, tmp.x, 1.0
/* tmp.x, tmp.y, tmp.w = 1.0, tmp.x, 1.0 */
emit1(c, inst->Prev, RC_OPCODE_MOV, inst->U.I.SaturateMode,
dstregtmpmask(temp, RC_MASK_XYW),
swizzle(srctemp, RC_SWIZZLE_ONE, RC_SWIZZLE_X, RC_SWIZZLE_ONE, RC_SWIZZLE_ONE));
@ -533,16 +533,16 @@ static void sincos_constants(struct radeon_compiler* c, unsigned int *constants)
{
static const float SinCosConsts[2][4] = {
{
1.273239545, // 4/PI
-0.405284735, // -4/(PI*PI)
3.141592654, // PI
0.2225 // weight
1.273239545, /* 4/PI */
-0.405284735, /* -4/(PI*PI) */
3.141592654, /* PI */
0.2225 /* weight */
},
{
0.75,
0.5,
0.159154943, // 1/(2*PI)
6.283185307 // 2*PI
0.159154943, /* 1/(2*PI) */
6.283185307 /* 2*PI */
}
};
int i;
@ -602,9 +602,9 @@ int radeonTransformTrigSimple(struct radeon_compiler* c,
sincos_constants(c, constants);
if (inst->U.I.Opcode == RC_OPCODE_COS) {
// MAD tmp.x, src, 1/(2*PI), 0.75
// FRC tmp.x, tmp.x
// MAD tmp.z, tmp.x, 2*PI, -PI
/* MAD tmp.x, src, 1/(2*PI), 0.75 */
/* FRC tmp.x, tmp.x */
/* MAD tmp.z, tmp.x, 2*PI, -PI */
emit3(c, inst->Prev, RC_OPCODE_MAD, 0, dstregtmpmask(tempreg, RC_MASK_W),
swizzle(inst->U.I.SrcReg[0], RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X, RC_SWIZZLE_X),
swizzle(srcreg(RC_FILE_CONSTANT, constants[1]), RC_SWIZZLE_Z, RC_SWIZZLE_Z, RC_SWIZZLE_Z, RC_SWIZZLE_Z),