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st/vega: Simplify radial gradient.

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Eight less instructions with comments.
This commit is contained in:
Chia-I Wu
2010-12-01 13:39:59 +08:00
parent d7aa03b4fe
commit 2bb788ccc6
1 changed files with 44 additions and 71 deletions
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src/gallium/state_trackers/vega/asm_fill.h
+44 -71
View File
@@ -47,6 +47,24 @@ solid_fill( struct ureg_program *ureg,
ureg_MOV(ureg, *out, constant[2]);
}
#define PAINT_TRANSFORM \
ureg_MOV(ureg, ureg_writemask(temp[0], TGSI_WRITEMASK_XY), in[0]); \
ureg_MOV(ureg, \
ureg_writemask(temp[0], TGSI_WRITEMASK_Z), \
ureg_scalar(constant[3], TGSI_SWIZZLE_Y)); \
ureg_DP3(ureg, temp[1], constant[4], ureg_src(temp[0])); \
ureg_DP3(ureg, temp[2], constant[5], ureg_src(temp[0])); \
ureg_DP3(ureg, temp[3], constant[6], ureg_src(temp[0])); \
ureg_RCP(ureg, temp[3], ureg_src(temp[3])); \
ureg_MUL(ureg, temp[1], ureg_src(temp[1]), ureg_src(temp[3])); \
ureg_MUL(ureg, temp[2], ureg_src(temp[2]), ureg_src(temp[3])); \
ureg_MOV(ureg, \
ureg_writemask(temp[4], TGSI_WRITEMASK_X), \
ureg_src(temp[1])); \
ureg_MOV(ureg, \
ureg_writemask(temp[4], TGSI_WRITEMASK_Y), \
ureg_src(temp[2]));
static INLINE void
linear_grad( struct ureg_program *ureg,
struct ureg_dst *out,
@@ -55,21 +73,8 @@ linear_grad( struct ureg_program *ureg,
struct ureg_dst *temp,
struct ureg_src *constant)
{
PAINT_TRANSFORM
ureg_MOV(ureg,
ureg_writemask(temp[0], TGSI_WRITEMASK_XY),
in[0]);
ureg_MOV(ureg,
ureg_writemask(temp[0], TGSI_WRITEMASK_Z),
ureg_scalar(constant[3], TGSI_SWIZZLE_Y));
ureg_DP3(ureg, temp[1], constant[4], ureg_src(temp[0]));
ureg_DP3(ureg, temp[2], constant[5], ureg_src(temp[0]));
ureg_DP3(ureg, temp[3], constant[6], ureg_src(temp[0]));
ureg_RCP(ureg, temp[3], ureg_src(temp[3]));
ureg_MUL(ureg, temp[1], ureg_src(temp[1]), ureg_src(temp[3]));
ureg_MUL(ureg, temp[2], ureg_src(temp[2]), ureg_src(temp[3]));
ureg_MOV(ureg, ureg_writemask(temp[4], TGSI_WRITEMASK_X), ureg_src(temp[1]));
ureg_MOV(ureg, ureg_writemask(temp[4], TGSI_WRITEMASK_Y), ureg_src(temp[2]));
ureg_MUL(ureg, temp[0],
ureg_scalar(constant[2], TGSI_SWIZZLE_Y),
ureg_scalar(ureg_src(temp[4]), TGSI_SWIZZLE_Y));
@@ -90,52 +95,32 @@ radial_grad( struct ureg_program *ureg,
struct ureg_dst *temp,
struct ureg_src *constant)
{
PAINT_TRANSFORM
ureg_MOV(ureg, ureg_writemask(temp[0], TGSI_WRITEMASK_XY), in[0]);
ureg_MOV(ureg,
ureg_writemask(temp[0], TGSI_WRITEMASK_Z),
ureg_scalar(constant[3], TGSI_SWIZZLE_Y));
ureg_DP3(ureg, temp[1], constant[4], ureg_src(temp[0]));
ureg_DP3(ureg, temp[2], constant[5], ureg_src(temp[0]));
ureg_DP3(ureg, temp[3], constant[6], ureg_src(temp[0]));
/*
* Calculate (sqrt(B^2 + AC) - B) / A, where
*
* A is CONST[2].z,
* B is DP2((x, y), CONST[2].xy), and
* C is DP2((x, y), (x, y)).
*/
/* B and C */
ureg_DP2(ureg, temp[0], ureg_src(temp[4]), constant[2]);
ureg_DP2(ureg, temp[1], ureg_src(temp[4]), ureg_src(temp[4]));
/* the square root */
ureg_MUL(ureg, temp[2], ureg_src(temp[0]), ureg_src(temp[0]));
ureg_MAD(ureg, temp[3], ureg_src(temp[1]),
ureg_scalar(constant[2], TGSI_SWIZZLE_Z), ureg_src(temp[2]));
ureg_RSQ(ureg, temp[3], ureg_src(temp[3]));
ureg_RCP(ureg, temp[3], ureg_src(temp[3]));
ureg_MUL(ureg, temp[1], ureg_src(temp[1]), ureg_src(temp[3]));
ureg_MUL(ureg, temp[2], ureg_src(temp[2]), ureg_src(temp[3]));
ureg_MOV(ureg, ureg_writemask(temp[5], TGSI_WRITEMASK_X), ureg_src(temp[1]));
ureg_MOV(ureg, ureg_writemask(temp[5], TGSI_WRITEMASK_Y), ureg_src(temp[2]));
ureg_MUL(ureg, temp[0], ureg_scalar(constant[2], TGSI_SWIZZLE_Y),
ureg_scalar(ureg_src(temp[5]), TGSI_SWIZZLE_Y));
ureg_MAD(ureg, temp[1],
ureg_scalar(constant[2], TGSI_SWIZZLE_X),
ureg_scalar(ureg_src(temp[5]), TGSI_SWIZZLE_X), ureg_src(temp[0]));
ureg_ADD(ureg, temp[1], ureg_src(temp[1]), ureg_src(temp[1]));
ureg_MUL(ureg, temp[3],
ureg_scalar(ureg_src(temp[5]), TGSI_SWIZZLE_Y),
ureg_scalar(ureg_src(temp[5]), TGSI_SWIZZLE_Y));
ureg_MAD(ureg, temp[4],
ureg_scalar(ureg_src(temp[5]), TGSI_SWIZZLE_X),
ureg_scalar(ureg_src(temp[5]), TGSI_SWIZZLE_X),
ureg_src(temp[3]));
ureg_MOV(ureg, temp[4], ureg_negate(ureg_src(temp[4])));
ureg_MUL(ureg, temp[2],
ureg_scalar(constant[2], TGSI_SWIZZLE_Z),
ureg_src(temp[4]));
ureg_MUL(ureg, temp[0],
ureg_scalar(constant[3], TGSI_SWIZZLE_W),
ureg_src(temp[2]));
ureg_MUL(ureg, temp[3], ureg_src(temp[1]), ureg_src(temp[1]));
ureg_SUB(ureg, temp[2], ureg_src(temp[3]), ureg_src(temp[0]));
ureg_RSQ(ureg, temp[2], ureg_abs(ureg_src(temp[2])));
ureg_RCP(ureg, temp[2], ureg_src(temp[2]));
ureg_SUB(ureg, temp[1], ureg_src(temp[2]), ureg_src(temp[1]));
ureg_ADD(ureg, temp[0],
ureg_scalar(constant[2], TGSI_SWIZZLE_Z),
ureg_scalar(constant[2], TGSI_SWIZZLE_Z));
ureg_RCP(ureg, temp[0], ureg_src(temp[0]));
ureg_MUL(ureg, temp[2], ureg_src(temp[1]), ureg_src(temp[0]));
ureg_TEX(ureg, *out, TGSI_TEXTURE_1D, ureg_src(temp[2]), sampler[0]);
ureg_SUB(ureg, temp[3], ureg_src(temp[3]), ureg_src(temp[0]));
ureg_RCP(ureg, temp[0], ureg_scalar(constant[2], TGSI_SWIZZLE_Z));
ureg_MUL(ureg, temp[0], ureg_src(temp[0]), ureg_src(temp[3]));
ureg_TEX(ureg, *out, TGSI_TEXTURE_1D, ureg_src(temp[0]), sampler[0]);
}
@@ -147,20 +132,8 @@ pattern( struct ureg_program *ureg,
struct ureg_dst *temp,
struct ureg_src *constant)
{
ureg_MOV(ureg,
ureg_writemask(temp[0], TGSI_WRITEMASK_XY),
in[0]);
ureg_MOV(ureg,
ureg_writemask(temp[0], TGSI_WRITEMASK_Z),
ureg_scalar(constant[3], TGSI_SWIZZLE_Y));
ureg_DP3(ureg, temp[1], constant[4], ureg_src(temp[0]));
ureg_DP3(ureg, temp[2], constant[5], ureg_src(temp[0]));
ureg_DP3(ureg, temp[3], constant[6], ureg_src(temp[0]));
ureg_RCP(ureg, temp[3], ureg_src(temp[3]));
ureg_MUL(ureg, temp[1], ureg_src(temp[1]), ureg_src(temp[3]));
ureg_MUL(ureg, temp[2], ureg_src(temp[2]), ureg_src(temp[3]));
ureg_MOV(ureg, ureg_writemask(temp[4], TGSI_WRITEMASK_X), ureg_src(temp[1]));
ureg_MOV(ureg, ureg_writemask(temp[4], TGSI_WRITEMASK_Y), ureg_src(temp[2]));
PAINT_TRANSFORM
ureg_RCP(ureg, temp[0],
ureg_swizzle(constant[3],
TGSI_SWIZZLE_Z,
@@ -446,7 +419,7 @@ static const struct shader_asm_info shaders_paint_asm[] = {
{VEGA_LINEAR_GRADIENT_SHADER, linear_grad,
VG_TRUE, 2, 5, 0, 1, 0, 5},
{VEGA_RADIAL_GRADIENT_SHADER, radial_grad,
VG_TRUE, 2, 5, 0, 1, 0, 6},
VG_TRUE, 2, 5, 0, 1, 0, 5},
{VEGA_PATTERN_SHADER, pattern,
VG_TRUE, 3, 4, 0, 1, 0, 5},
{VEGA_PAINT_DEGENERATE_SHADER, paint_degenerate,