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-rw-r--r--src/gallium/state_trackers/vega/asm_fill.h174
1 files changed, 112 insertions, 62 deletions
diff --git a/src/gallium/state_trackers/vega/asm_fill.h b/src/gallium/state_trackers/vega/asm_fill.h
index f9fcf4963b1..19a2d93fe59 100644
--- a/src/gallium/state_trackers/vega/asm_fill.h
+++ b/src/gallium/state_trackers/vega/asm_fill.h
@@ -242,17 +242,90 @@ image_stencil( struct ureg_program *ureg,
ureg_MUL(ureg, *out, ureg_src(temp[0]), ureg_src(temp[1]));
}
-#define EXTENDED_BLENDER_OVER_FUNC \
- ureg_SUB(ureg, temp[3], \
- ureg_scalar(constant[3], TGSI_SWIZZLE_Y), \
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W)); \
- ureg_SUB(ureg, temp[4], \
- ureg_scalar(constant[3], TGSI_SWIZZLE_Y), \
- ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W)); \
- ureg_MUL(ureg, temp[3], ureg_src(temp[0]), ureg_src(temp[3])); \
- ureg_MUL(ureg, temp[4], ureg_src(temp[1]), ureg_src(temp[4])); \
- ureg_ADD(ureg, temp[3], ureg_src(temp[3]), ureg_src(temp[4]));
-
+/**
+ * Emit instructions for the specified blend mode. Colors should be
+ * premultiplied. Two temporary registers are required.
+ *
+ * XXX callers do not pass premultiplied colors!
+ */
+static INLINE void
+blend_generic(struct ureg_program *ureg,
+ VGBlendMode mode,
+ struct ureg_dst out,
+ struct ureg_src src,
+ struct ureg_src dst,
+ struct ureg_src src_channel_alpha,
+ struct ureg_src one,
+ struct ureg_dst temp[2])
+{
+ switch (mode) {
+ case VG_BLEND_SRC:
+ ureg_MOV(ureg, out, src);
+ break;
+ case VG_BLEND_SRC_OVER:
+ /* RGBA_out = RGBA_src + (1 - A_src) * RGBA_dst */
+ ureg_SUB(ureg, temp[0], one, src_channel_alpha);
+ ureg_MAD(ureg, out, ureg_src(temp[0]), dst, src);
+ break;
+ case VG_BLEND_DST_OVER:
+ /* RGBA_out = RGBA_dst + (1 - A_dst) * RGBA_src */
+ ureg_SUB(ureg, temp[0], one, ureg_scalar(dst, TGSI_SWIZZLE_W));
+ ureg_MAD(ureg, out, ureg_src(temp[0]), src, dst);
+ break;
+ case VG_BLEND_SRC_IN:
+ ureg_MUL(ureg, out, src, ureg_scalar(dst, TGSI_SWIZZLE_W));
+ break;
+ case VG_BLEND_DST_IN:
+ ureg_MUL(ureg, out, dst, src_channel_alpha);
+ break;
+ case VG_BLEND_MULTIPLY:
+ /*
+ * RGB_out = (1 - A_dst) * RGB_src + (1 - A_src) * RGB_dst +
+ * RGB_src * RGB_dst
+ */
+ ureg_MAD(ureg, temp[0],
+ ureg_scalar(dst, TGSI_SWIZZLE_W), ureg_negate(src), src);
+ ureg_MAD(ureg, temp[1],
+ src_channel_alpha, ureg_negate(dst), dst);
+ ureg_MAD(ureg, temp[1], src, dst, ureg_src(temp[1]));
+ ureg_ADD(ureg, out, ureg_src(temp[0]), ureg_src(temp[1]));
+ /* alpha is src over */
+ ureg_ADD(ureg, ureg_writemask(out, TGSI_WRITEMASK_W),
+ src, ureg_src(temp[1]));
+ break;
+ case VG_BLEND_SCREEN:
+ /* RGBA_out = RGBA_src + (1 - RGBA_src) * RGBA_dst */
+ ureg_SUB(ureg, temp[0], one, src);
+ ureg_MAD(ureg, out, ureg_src(temp[0]), dst, src);
+ break;
+ case VG_BLEND_DARKEN:
+ case VG_BLEND_LIGHTEN:
+ /* src over */
+ ureg_SUB(ureg, temp[0], one, src_channel_alpha);
+ ureg_MAD(ureg, temp[0], ureg_src(temp[0]), dst, src);
+ /* dst over */
+ ureg_SUB(ureg, temp[1], one, ureg_scalar(dst, TGSI_SWIZZLE_W));
+ ureg_MAD(ureg, temp[1], ureg_src(temp[1]), src, dst);
+ /* take min/max for colors */
+ if (mode == VG_BLEND_DARKEN) {
+ ureg_MIN(ureg, ureg_writemask(out, TGSI_WRITEMASK_XYZ),
+ ureg_src(temp[0]), ureg_src(temp[1]));
+ }
+ else {
+ ureg_MAX(ureg, ureg_writemask(out, TGSI_WRITEMASK_XYZ),
+ ureg_src(temp[0]), ureg_src(temp[1]));
+ }
+ break;
+ case VG_BLEND_ADDITIVE:
+ /* RGBA_out = RGBA_src + RGBA_dst */
+ ureg_ADD(ureg, temp[0], src, dst);
+ ureg_MIN(ureg, out, ureg_src(temp[0]), one);
+ break;
+ default:
+ assert(0);
+ break;
+ }
+}
static INLINE void
blend_multiply( struct ureg_program *ureg,
@@ -263,18 +336,12 @@ blend_multiply( struct ureg_program *ureg,
struct ureg_src *constant)
{
ureg_TEX(ureg, temp[1], TGSI_TEXTURE_2D, in[0], sampler[2]);
- EXTENDED_BLENDER_OVER_FUNC
- ureg_MUL(ureg, temp[4], ureg_src(temp[0]), ureg_src(temp[1]));
- ureg_ADD(ureg, temp[1], ureg_src(temp[4]), ureg_src(temp[3]));
-
- ureg_MUL(ureg, temp[2], ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_ADD(ureg, temp[3], ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_SUB(ureg, ureg_writemask(temp[1], TGSI_WRITEMASK_W),
- ureg_src(temp[3]), ureg_src(temp[2]));
-
- ureg_MOV(ureg, *out, ureg_src(temp[1]));
+ blend_generic(ureg, VG_BLEND_MULTIPLY, *out,
+ ureg_src(temp[0]),
+ ureg_src(temp[1]),
+ ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
+ ureg_scalar(constant[3], TGSI_SWIZZLE_Y),
+ temp + 2);
}
static INLINE void
@@ -286,9 +353,12 @@ blend_screen( struct ureg_program *ureg,
struct ureg_src *constant)
{
ureg_TEX(ureg, temp[1], TGSI_TEXTURE_2D, in[0], sampler[2]);
- ureg_ADD(ureg, temp[3], ureg_src(temp[0]), ureg_src(temp[1]));
- ureg_MUL(ureg, temp[2], ureg_src(temp[0]), ureg_src(temp[1]));
- ureg_SUB(ureg, *out, ureg_src(temp[3]), ureg_src(temp[2]));
+ blend_generic(ureg, VG_BLEND_SCREEN, *out,
+ ureg_src(temp[0]),
+ ureg_src(temp[1]),
+ ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
+ ureg_scalar(constant[3], TGSI_SWIZZLE_Y),
+ temp + 2);
}
static INLINE void
@@ -300,22 +370,12 @@ blend_darken( struct ureg_program *ureg,
struct ureg_src *constant)
{
ureg_TEX(ureg, temp[1], TGSI_TEXTURE_2D, in[0], sampler[2]);
- EXTENDED_BLENDER_OVER_FUNC
- ureg_MUL(ureg, temp[4], ureg_src(temp[0]),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_MUL(ureg, temp[5], ureg_src(temp[1]),
- ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W));
- ureg_MIN(ureg, temp[4], ureg_src(temp[4]), ureg_src(temp[5]));
- ureg_ADD(ureg, temp[1], ureg_src(temp[3]), ureg_src(temp[4]));
-
- ureg_MUL(ureg, temp[2], ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_ADD(ureg, temp[3], ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_SUB(ureg, ureg_writemask(temp[1], TGSI_WRITEMASK_W),
- ureg_src(temp[3]), ureg_src(temp[2]));
-
- ureg_MOV(ureg, *out, ureg_src(temp[1]));
+ blend_generic(ureg, VG_BLEND_DARKEN, *out,
+ ureg_src(temp[0]),
+ ureg_src(temp[1]),
+ ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
+ ureg_scalar(constant[3], TGSI_SWIZZLE_Y),
+ temp + 2);
}
static INLINE void
@@ -327,22 +387,12 @@ blend_lighten( struct ureg_program *ureg,
struct ureg_src *constant)
{
ureg_TEX(ureg, temp[1], TGSI_TEXTURE_2D, in[0], sampler[2]);
- EXTENDED_BLENDER_OVER_FUNC
- ureg_MUL(ureg, temp[4], ureg_src(temp[0]),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_MUL(ureg, temp[5], ureg_src(temp[1]),
- ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W));
- ureg_MAX(ureg, temp[4], ureg_src(temp[4]), ureg_src(temp[5]));
- ureg_ADD(ureg, temp[1], ureg_src(temp[3]), ureg_src(temp[4]));
-
- ureg_MUL(ureg, temp[2], ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_ADD(ureg, temp[3], ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
- ureg_scalar(ureg_src(temp[1]), TGSI_SWIZZLE_W));
- ureg_SUB(ureg, ureg_writemask(temp[1], TGSI_WRITEMASK_W),
- ureg_src(temp[3]), ureg_src(temp[2]));
-
- ureg_MOV(ureg, *out, ureg_src(temp[1]));
+ blend_generic(ureg, VG_BLEND_LIGHTEN, *out,
+ ureg_src(temp[0]),
+ ureg_src(temp[1]),
+ ureg_scalar(ureg_src(temp[0]), TGSI_SWIZZLE_W),
+ ureg_scalar(constant[3], TGSI_SWIZZLE_Y),
+ temp + 2);
}
static INLINE void
@@ -458,13 +508,13 @@ static const struct shader_asm_info shaders_mask_asm[] = {
/* extra blend modes */
static const struct shader_asm_info shaders_blend_asm[] = {
{VEGA_BLEND_MULTIPLY_SHADER, blend_multiply,
- VG_TRUE, 3, 1, 2, 1, 0, 5},
+ VG_TRUE, 3, 1, 2, 1, 0, 4},
{VEGA_BLEND_SCREEN_SHADER, blend_screen,
- VG_TRUE, 0, 0, 2, 1, 0, 4},
+ VG_TRUE, 3, 1, 2, 1, 0, 4},
{VEGA_BLEND_DARKEN_SHADER, blend_darken,
- VG_TRUE, 3, 1, 2, 1, 0, 6},
+ VG_TRUE, 3, 1, 2, 1, 0, 4},
{VEGA_BLEND_LIGHTEN_SHADER, blend_lighten,
- VG_TRUE, 3, 1, 2, 1, 0, 6},
+ VG_TRUE, 3, 1, 2, 1, 0, 4},
};
/* premultiply */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 16:38:21 +0000