Polygonal rendering of simple fill shapes
bug:4419017
Change-Id: If0428e1732139786cba15f54b285d880e4a56b89
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp
index 6baf448..de7afed 100644
--- a/libs/hwui/ProgramCache.cpp
+++ b/libs/hwui/ProgramCache.cpp
@@ -40,10 +40,10 @@
"attribute vec4 position;\n";
const char* gVS_Header_Attributes_TexCoords =
"attribute vec2 texCoords;\n";
-const char* gVS_Header_Attributes_AAParameters =
+const char* gVS_Header_Attributes_AALineParameters =
"attribute float vtxWidth;\n"
"attribute float vtxLength;\n";
-const char* gVS_Header_Attributes_AARectParameters =
+const char* gVS_Header_Attributes_AAVertexShapeParameters =
"attribute float vtxAlpha;\n";
const char* gVS_Header_Uniforms_TextureTransform =
"uniform mat4 mainTextureTransform;\n";
@@ -64,10 +64,10 @@
"uniform mediump vec2 textureDimension;\n";
const char* gVS_Header_Varyings_HasTexture =
"varying vec2 outTexCoords;\n";
-const char* gVS_Header_Varyings_IsAA =
+const char* gVS_Header_Varyings_IsAALine =
"varying float widthProportion;\n"
"varying float lengthProportion;\n";
-const char* gVS_Header_Varyings_IsAARect =
+const char* gVS_Header_Varyings_IsAAVertexShape =
"varying float alpha;\n";
const char* gVS_Header_Varyings_HasBitmap =
"varying highp vec2 outBitmapTexCoords;\n";
@@ -113,10 +113,10 @@
" gl_Position = transform * position;\n";
const char* gVS_Main_PointSize =
" gl_PointSize = pointSize;\n";
-const char* gVS_Main_AA =
+const char* gVS_Main_AALine =
" widthProportion = vtxWidth;\n"
" lengthProportion = vtxLength;\n";
-const char* gVS_Main_AARect =
+const char* gVS_Main_AAVertexShape =
" alpha = vtxAlpha;\n";
const char* gVS_Footer =
"}\n\n";
@@ -133,7 +133,7 @@
"precision mediump float;\n\n";
const char* gFS_Uniforms_Color =
"uniform vec4 color;\n";
-const char* gFS_Uniforms_AA =
+const char* gFS_Uniforms_AALine =
"uniform float boundaryWidth;\n"
"uniform float boundaryLength;\n";
const char* gFS_Header_Uniforms_PointHasBitmap =
@@ -243,10 +243,10 @@
" fragColor = color;\n";
const char* gFS_Main_ModulateColor =
" fragColor *= color.a;\n";
-const char* gFS_Main_AccountForAA =
+const char* gFS_Main_AccountForAALine =
" fragColor *= (1.0 - smoothstep(boundaryWidth, 0.5, abs(0.5 - widthProportion)))\n"
" * (1.0 - smoothstep(boundaryLength, 0.5, abs(0.5 - lengthProportion)));\n";
-const char* gFS_Main_AccountForAARect =
+const char* gFS_Main_AccountForAAVertexShape =
" fragColor *= alpha;\n";
const char* gFS_Main_FetchTexture[2] = {
@@ -456,10 +456,12 @@
if (description.hasTexture || description.hasExternalTexture) {
shader.append(gVS_Header_Attributes_TexCoords);
}
- if (description.isAARect) {
- shader.append(gVS_Header_Attributes_AARectParameters);
- } else if (description.isAA) {
- shader.append(gVS_Header_Attributes_AAParameters);
+ if (description.isAA) {
+ if (description.isVertexShape) {
+ shader.append(gVS_Header_Attributes_AAVertexShapeParameters);
+ } else {
+ shader.append(gVS_Header_Attributes_AALineParameters);
+ }
}
// Uniforms
shader.append(gVS_Header_Uniforms);
@@ -479,10 +481,12 @@
if (description.hasTexture || description.hasExternalTexture) {
shader.append(gVS_Header_Varyings_HasTexture);
}
- if (description.isAARect) {
- shader.append(gVS_Header_Varyings_IsAARect);
- } else if (description.isAA) {
- shader.append(gVS_Header_Varyings_IsAA);
+ if (description.isAA) {
+ if (description.isVertexShape) {
+ shader.append(gVS_Header_Varyings_IsAAVertexShape);
+ } else {
+ shader.append(gVS_Header_Varyings_IsAALine);
+ }
}
if (description.hasGradient) {
shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]);
@@ -500,10 +504,12 @@
} else if (description.hasTexture || description.hasExternalTexture) {
shader.append(gVS_Main_OutTexCoords);
}
- if (description.isAARect) {
- shader.append(gVS_Main_AARect);
- } else if (description.isAA) {
- shader.append(gVS_Main_AA);
+ if (description.isAA) {
+ if (description.isVertexShape) {
+ shader.append(gVS_Main_AAVertexShape);
+ } else {
+ shader.append(gVS_Main_AALine);
+ }
}
if (description.hasGradient) {
shader.append(gVS_Main_OutGradient[gradientIndex(description)]);
@@ -552,10 +558,12 @@
if (description.hasTexture || description.hasExternalTexture) {
shader.append(gVS_Header_Varyings_HasTexture);
}
- if (description.isAARect) {
- shader.append(gVS_Header_Varyings_IsAARect);
- } else if (description.isAA) {
- shader.append(gVS_Header_Varyings_IsAA);
+ if (description.isAA) {
+ if (description.isVertexShape) {
+ shader.append(gVS_Header_Varyings_IsAAVertexShape);
+ } else {
+ shader.append(gVS_Header_Varyings_IsAALine);
+ }
}
if (description.hasGradient) {
shader.append(gVS_Header_Varyings_HasGradient[gradientIndex(description)]);
@@ -580,8 +588,8 @@
} else if (description.hasExternalTexture) {
shader.append(gFS_Uniforms_ExternalTextureSampler);
}
- if (description.isAA) {
- shader.append(gFS_Uniforms_AA);
+ if (description.isAA && !description.isVertexShape) {
+ shader.append(gFS_Uniforms_AALine);
}
if (description.hasGradient) {
shader.append(gFS_Uniforms_GradientSampler[gradientIndex(description)]);
@@ -596,7 +604,7 @@
// Optimization for common cases
if (!description.isAA && !blendFramebuffer &&
description.colorOp == ProgramDescription::kColorNone &&
- !description.isPoint && !description.isAARect) {
+ !description.isPoint && !description.isVertexShape) {
bool fast = false;
const bool noShader = !description.hasGradient && !description.hasBitmap;
@@ -730,10 +738,12 @@
// Apply the color op if needed
shader.append(gFS_Main_ApplyColorOp[description.colorOp]);
- if (description.isAARect) {
- shader.append(gFS_Main_AccountForAARect);
- } else if (description.isAA) {
- shader.append(gFS_Main_AccountForAA);
+ if (description.isAA) {
+ if (description.isVertexShape) {
+ shader.append(gFS_Main_AccountForAAVertexShape);
+ } else {
+ shader.append(gFS_Main_AccountForAALine);
+ }
}
// Output the fragment