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Diffstat (limited to 'src/gpu/effects/GrRRectEffect.cpp')
-rw-r--r--src/gpu/effects/GrRRectEffect.cpp138
1 files changed, 71 insertions, 67 deletions
diff --git a/src/gpu/effects/GrRRectEffect.cpp b/src/gpu/effects/GrRRectEffect.cpp
index 5a2b0c3d59..8a3fc44704 100644
--- a/src/gpu/effects/GrRRectEffect.cpp
+++ b/src/gpu/effects/GrRRectEffect.cpp
@@ -5,10 +5,10 @@
* found in the LICENSE file.
*/
+#include "gl/builders/GrGLProgramBuilder.h"
#include "GrRRectEffect.h"
#include "gl/GrGLEffect.h"
-#include "gl/GrGLShaderBuilder.h"
#include "gl/GrGLSL.h"
#include "GrConvexPolyEffect.h"
#include "GrOvalEffect.h"
@@ -134,7 +134,7 @@ class GLCircularRRectEffect : public GrGLEffect {
public:
GLCircularRRectEffect(const GrBackendEffectFactory&, const GrDrawEffect&);
- virtual void emitCode(GrGLShaderBuilder* builder,
+ virtual void emitCode(GrGLProgramBuilder* builder,
const GrDrawEffect& drawEffect,
const GrEffectKey& key,
const char* outputColor,
@@ -159,7 +159,7 @@ GLCircularRRectEffect::GLCircularRRectEffect(const GrBackendEffectFactory& facto
fPrevRRect.setEmpty();
}
-void GLCircularRRectEffect::emitCode(GrGLShaderBuilder* builder,
+void GLCircularRRectEffect::emitCode(GrGLProgramBuilder* builder,
const GrDrawEffect& drawEffect,
const GrEffectKey& key,
const char* outputColor,
@@ -173,15 +173,17 @@ void GLCircularRRectEffect::emitCode(GrGLShaderBuilder* builder,
// edges correspond to components x, y, z, and w, respectively. When a side of the rrect has
// only rectangular corners, that side's value corresponds to the rect edge's value outset by
// half a pixel.
- fInnerRectUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+ fInnerRectUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
kVec4f_GrSLType,
"innerRect",
&rectName);
- fRadiusPlusHalfUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+ fRadiusPlusHalfUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
kFloat_GrSLType,
"radiusPlusHalf",
&radiusPlusHalfName);
- const char* fragmentPos = builder->fragmentPosition();
+
+ GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+ const char* fragmentPos = fsBuilder->fragmentPosition();
// At each quarter-circle corner we compute a vector that is the offset of the fragment position
// from the circle center. The vector is pinned in x and y to be in the quarter-plane relevant
// to that corner. This means that points near the interior near the rrect top edge will have
@@ -199,95 +201,95 @@ void GLCircularRRectEffect::emitCode(GrGLShaderBuilder* builder,
// alphas together.
switch (crre.getCircularCornerFlags()) {
case CircularRRectEffect::kAll_CornerFlags:
- builder->fsCodeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
- builder->fsCodeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
- builder->fsCodeAppendf("\t\tfloat alpha = clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
+ fsBuilder->codeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
+ fsBuilder->codeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
+ fsBuilder->codeAppendf("\t\tfloat alpha = clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kTopLeft_CornerFlag:
- builder->fsCodeAppendf("\t\tvec2 dxy = max(%s.xy - %s.xy, 0.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 dxy = max(%s.xy - %s.xy, 0.0);\n",
rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);\n",
rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);\n",
rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat alpha = bottomAlpha * rightAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = bottomAlpha * rightAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kTopRight_CornerFlag:
- builder->fsCodeAppendf("\t\tvec2 dxy = max(vec2(%s.x - %s.z, %s.y - %s.y), 0.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 dxy = max(vec2(%s.x - %s.z, %s.y - %s.y), 0.0);\n",
fragmentPos, rectName, rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);\n",
fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);\n",
rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat alpha = bottomAlpha * leftAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = bottomAlpha * leftAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kBottomRight_CornerFlag:
- builder->fsCodeAppendf("\t\tvec2 dxy = max(%s.xy - %s.zw, 0.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 dxy = max(%s.xy - %s.zw, 0.0);\n",
fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);\n",
fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);\n",
fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat alpha = topAlpha * leftAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = topAlpha * leftAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kBottomLeft_CornerFlag:
- builder->fsCodeAppendf("\t\tvec2 dxy = max(vec2(%s.x - %s.x, %s.y - %s.w), 0.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 dxy = max(vec2(%s.x - %s.x, %s.y - %s.w), 0.0);\n",
rectName, fragmentPos, fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);\n",
rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);\n",
fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat alpha = topAlpha * rightAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = topAlpha * rightAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kLeft_CornerFlags:
- builder->fsCodeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat dy1 = %s.y - %s.w;\n", fragmentPos, rectName);
- builder->fsCodeAppend("\t\tvec2 dxy = max(vec2(dxy0.x, max(dxy0.y, dy1)), 0.0);\n");
- builder->fsCodeAppendf("\t\tfloat rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
+ fsBuilder->codeAppendf("\t\tfloat dy1 = %s.y - %s.w;\n", fragmentPos, rectName);
+ fsBuilder->codeAppend("\t\tvec2 dxy = max(vec2(dxy0.x, max(dxy0.y, dy1)), 0.0);\n");
+ fsBuilder->codeAppendf("\t\tfloat rightAlpha = clamp(%s.z - %s.x, 0.0, 1.0);\n",
rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat alpha = rightAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = rightAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kTop_CornerFlags:
- builder->fsCodeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat dx1 = %s.x - %s.z;\n", fragmentPos, rectName);
- builder->fsCodeAppend("\t\tvec2 dxy = max(vec2(max(dxy0.x, dx1), dxy0.y), 0.0);\n");
- builder->fsCodeAppendf("\t\tfloat bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
+ fsBuilder->codeAppendf("\t\tfloat dx1 = %s.x - %s.z;\n", fragmentPos, rectName);
+ fsBuilder->codeAppend("\t\tvec2 dxy = max(vec2(max(dxy0.x, dx1), dxy0.y), 0.0);\n");
+ fsBuilder->codeAppendf("\t\tfloat bottomAlpha = clamp(%s.w - %s.y, 0.0, 1.0);\n",
rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tfloat alpha = bottomAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = bottomAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kRight_CornerFlags:
- builder->fsCodeAppendf("\t\tfloat dy0 = %s.y - %s.y;\n", rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
- builder->fsCodeAppend("\t\tvec2 dxy = max(vec2(dxy1.x, max(dy0, dxy1.y)), 0.0);\n");
- builder->fsCodeAppendf("\t\tfloat leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat dy0 = %s.y - %s.y;\n", rectName, fragmentPos);
+ fsBuilder->codeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
+ fsBuilder->codeAppend("\t\tvec2 dxy = max(vec2(dxy1.x, max(dy0, dxy1.y)), 0.0);\n");
+ fsBuilder->codeAppendf("\t\tfloat leftAlpha = clamp(%s.x - %s.x, 0.0, 1.0);\n",
fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat alpha = leftAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = leftAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
case CircularRRectEffect::kBottom_CornerFlags:
- builder->fsCodeAppendf("\t\tfloat dx0 = %s.x - %s.x;\n", rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
- builder->fsCodeAppend("\t\tvec2 dxy = max(vec2(max(dx0, dxy1.x), dxy1.y), 0.0);\n");
- builder->fsCodeAppendf("\t\tfloat topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat dx0 = %s.x - %s.x;\n", rectName, fragmentPos);
+ fsBuilder->codeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
+ fsBuilder->codeAppend("\t\tvec2 dxy = max(vec2(max(dx0, dxy1.x), dxy1.y), 0.0);\n");
+ fsBuilder->codeAppendf("\t\tfloat topAlpha = clamp(%s.y - %s.y, 0.0, 1.0);\n",
fragmentPos, rectName);
- builder->fsCodeAppendf("\t\tfloat alpha = topAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
+ fsBuilder->codeAppendf("\t\tfloat alpha = topAlpha * clamp(%s - length(dxy), 0.0, 1.0);\n",
radiusPlusHalfName);
break;
}
if (kInverseFillAA_GrEffectEdgeType == crre.getEdgeType()) {
- builder->fsCodeAppend("\t\talpha = 1.0 - alpha;\n");
+ fsBuilder->codeAppend("\t\talpha = 1.0 - alpha;\n");
}
- builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor,
+ fsBuilder->codeAppendf("\t\t%s = %s;\n", outputColor,
(GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_str());
}
@@ -486,7 +488,7 @@ class GLEllipticalRRectEffect : public GrGLEffect {
public:
GLEllipticalRRectEffect(const GrBackendEffectFactory&, const GrDrawEffect&);
- virtual void emitCode(GrGLShaderBuilder* builder,
+ virtual void emitCode(GrGLProgramBuilder* builder,
const GrDrawEffect& drawEffect,
const GrEffectKey& key,
const char* outputColor,
@@ -511,7 +513,7 @@ GLEllipticalRRectEffect::GLEllipticalRRectEffect(const GrBackendEffectFactory& f
fPrevRRect.setEmpty();
}
-void GLEllipticalRRectEffect::emitCode(GrGLShaderBuilder* builder,
+void GLEllipticalRRectEffect::emitCode(GrGLProgramBuilder* builder,
const GrDrawEffect& drawEffect,
const GrEffectKey& key,
const char* outputColor,
@@ -521,11 +523,13 @@ void GLEllipticalRRectEffect::emitCode(GrGLShaderBuilder* builder,
const EllipticalRRectEffect& erre = drawEffect.castEffect<EllipticalRRectEffect>();
const char *rectName;
// The inner rect is the rrect bounds inset by the x/y radii
- fInnerRectUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+ fInnerRectUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
kVec4f_GrSLType,
"innerRect",
&rectName);
- const char* fragmentPos = builder->fragmentPosition();
+
+ GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+ const char* fragmentPos = fsBuilder->fragmentPosition();
// At each quarter-ellipse corner we compute a vector that is the offset of the fragment pos
// to the ellipse center. The vector is pinned in x and y to be in the quarter-plane relevant
// to that corner. This means that points near the interior near the rrect top edge will have
@@ -537,31 +541,31 @@ void GLEllipticalRRectEffect::emitCode(GrGLShaderBuilder* builder,
// The code below is a simplified version of the above that performs maxs on the vector
// components before computing distances and alpha values so that only one distance computation
// need be computed to determine the min alpha.
- builder->fsCodeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
- builder->fsCodeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
+ fsBuilder->codeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
+ fsBuilder->codeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
switch (erre.getRRect().getType()) {
case SkRRect::kSimple_Type: {
const char *invRadiiXYSqdName;
- fInvRadiiSqdUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+ fInvRadiiSqdUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
kVec2f_GrSLType,
"invRadiiXY",
&invRadiiXYSqdName);
- builder->fsCodeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
+ fsBuilder->codeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
// Z is the x/y offsets divided by squared radii.
- builder->fsCodeAppendf("\t\tvec2 Z = dxy * %s;\n", invRadiiXYSqdName);
+ fsBuilder->codeAppendf("\t\tvec2 Z = dxy * %s;\n", invRadiiXYSqdName);
break;
}
case SkRRect::kNinePatch_Type: {
const char *invRadiiLTRBSqdName;
- fInvRadiiSqdUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,
+ fInvRadiiSqdUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
kVec4f_GrSLType,
"invRadiiLTRB",
&invRadiiLTRBSqdName);
- builder->fsCodeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
+ fsBuilder->codeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
// Z is the x/y offsets divided by squared radii. We only care about the (at most) one
// corner where both the x and y offsets are positive, hence the maxes. (The inverse
// squared radii will always be positive.)
- builder->fsCodeAppendf("\t\tvec2 Z = max(max(dxy0 * %s.xy, dxy1 * %s.zw), 0.0);\n",
+ fsBuilder->codeAppendf("\t\tvec2 Z = max(max(dxy0 * %s.xy, dxy1 * %s.zw), 0.0);\n",
invRadiiLTRBSqdName, invRadiiLTRBSqdName);
break;
}
@@ -569,20 +573,20 @@ void GLEllipticalRRectEffect::emitCode(GrGLShaderBuilder* builder,
SkFAIL("RRect should always be simple or nine-patch.");
}
// implicit is the evaluation of (x/a)^2 + (y/b)^2 - 1.
- builder->fsCodeAppend("\t\tfloat implicit = dot(Z, dxy) - 1.0;\n");
+ fsBuilder->codeAppend("\t\tfloat implicit = dot(Z, dxy) - 1.0;\n");
// grad_dot is the squared length of the gradient of the implicit.
- builder->fsCodeAppendf("\t\tfloat grad_dot = 4.0 * dot(Z, Z);\n");
+ fsBuilder->codeAppendf("\t\tfloat grad_dot = 4.0 * dot(Z, Z);\n");
// avoid calling inversesqrt on zero.
- builder->fsCodeAppend("\t\tgrad_dot = max(grad_dot, 1.0e-4);\n");
- builder->fsCodeAppendf("\t\tfloat approx_dist = implicit * inversesqrt(grad_dot);\n");
+ fsBuilder->codeAppend("\t\tgrad_dot = max(grad_dot, 1.0e-4);\n");
+ fsBuilder->codeAppendf("\t\tfloat approx_dist = implicit * inversesqrt(grad_dot);\n");
if (kFillAA_GrEffectEdgeType == erre.getEdgeType()) {
- builder->fsCodeAppend("\t\tfloat alpha = clamp(0.5 - approx_dist, 0.0, 1.0);\n");
+ fsBuilder->codeAppend("\t\tfloat alpha = clamp(0.5 - approx_dist, 0.0, 1.0);\n");
} else {
- builder->fsCodeAppend("\t\tfloat alpha = clamp(0.5 + approx_dist, 0.0, 1.0);\n");
+ fsBuilder->codeAppend("\t\tfloat alpha = clamp(0.5 + approx_dist, 0.0, 1.0);\n");
}
- builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor,
+ fsBuilder->codeAppendf("\t\t%s = %s;\n", outputColor,
(GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_str());
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-23 07:00:04 +0000