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Diffstat (limited to 'libs/hwui/ProgramCache.cpp')
-rw-r--r--libs/hwui/ProgramCache.cpp61
1 files changed, 48 insertions, 13 deletions
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp
index a5ce6f603663..f451690709f9 100644
--- a/libs/hwui/ProgramCache.cpp
+++ b/libs/hwui/ProgramCache.cpp
@@ -58,6 +58,8 @@ const char* gVS_Header_Uniforms_HasGradient =
const char* gVS_Header_Uniforms_HasBitmap =
"uniform mat4 textureTransform;\n"
"uniform mediump vec2 textureDimension;\n";
+const char* gVS_Header_Uniforms_HasRoundRectClip =
+ "uniform mat4 roundRectInvTransform;\n";
const char* gVS_Header_Varyings_HasTexture =
"varying vec2 outTexCoords;\n";
const char* gVS_Header_Varyings_HasColors =
@@ -85,6 +87,8 @@ const char* gVS_Header_Varyings_HasGradient[6] = {
"varying highp vec2 sweep;\n"
"varying vec2 ditherTexCoords;\n",
};
+const char* gVS_Header_Varyings_HasRoundRectClip =
+ "varying vec2 roundRectPos;\n";
const char* gVS_Main =
"\nvoid main(void) {\n";
const char* gVS_Main_OutTexCoords =
@@ -115,9 +119,12 @@ const char* gVS_Main_OutGradient[6] = {
const char* gVS_Main_OutBitmapTexCoords =
" outBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n";
const char* gVS_Main_Position =
- " gl_Position = projection * transform * position;\n";
+ " vec4 transformedPosition = projection * transform * position;\n"
+ " gl_Position = transformedPosition;\n";
const char* gVS_Main_AAVertexShape =
" alpha = vtxAlpha;\n";
+const char* gVS_Main_HasRoundRectClip =
+ " roundRectPos = (roundRectInvTransform * transformedPosition).xy;\n";
const char* gVS_Footer =
"}\n\n";
@@ -148,21 +155,22 @@ const char* gFS_Uniforms_GradientSampler[2] = {
};
const char* gFS_Uniforms_BitmapSampler =
"uniform sampler2D bitmapSampler;\n";
-const char* gFS_Uniforms_ColorOp[4] = {
+const char* gFS_Uniforms_ColorOp[3] = {
// None
"",
// Matrix
"uniform mat4 colorMatrix;\n"
"uniform vec4 colorMatrixVector;\n",
- // Lighting
- "uniform vec4 lightingMul;\n"
- "uniform vec4 lightingAdd;\n",
// PorterDuff
"uniform vec4 colorBlend;\n"
};
const char* gFS_Uniforms_Gamma =
"uniform float gamma;\n";
+const char* gFS_Uniforms_HasRoundRectClip =
+ "uniform vec4 roundRectInnerRectLTRB;\n"
+ "uniform float roundRectRadius;\n";
+
const char* gFS_Main =
"\nvoid main(void) {\n"
" lowp vec4 fragColor;\n";
@@ -311,20 +319,25 @@ const char* gFS_Main_FragColor_Blend =
" gl_FragColor = blendFramebuffer(fragColor, gl_LastFragColor);\n";
const char* gFS_Main_FragColor_Blend_Swap =
" gl_FragColor = blendFramebuffer(gl_LastFragColor, fragColor);\n";
-const char* gFS_Main_ApplyColorOp[4] = {
+const char* gFS_Main_ApplyColorOp[3] = {
// None
"",
// Matrix
" fragColor *= colorMatrix;\n"
" fragColor += colorMatrixVector;\n"
" fragColor.rgb *= fragColor.a;\n",
- // Lighting
- " float lightingAlpha = fragColor.a;\n"
- " fragColor = min(fragColor * lightingMul + (lightingAdd * lightingAlpha), lightingAlpha);\n"
- " fragColor.a = lightingAlpha;\n",
// PorterDuff
" fragColor = blendColors(colorBlend, fragColor);\n"
};
+
+// Note: LTRB -> xyzw
+const char* gFS_Main_FragColor_HasRoundRectClip =
+ " mediump vec2 fragToLT = roundRectInnerRectLTRB.xy - roundRectPos;\n"
+ " mediump vec2 fragFromRB = roundRectPos - roundRectInnerRectLTRB.zw;\n"
+ " mediump vec2 dist = max(max(fragToLT, fragFromRB), vec2(0.0, 0.0));\n"
+ " mediump float linearDist = roundRectRadius - length(dist);\n"
+ " gl_FragColor *= clamp(linearDist, 0.0, 1.0);\n";
+
const char* gFS_Main_DebugHighlight =
" gl_FragColor.rgb = vec3(0.0, gl_FragColor.a, 0.0);\n";
const char* gFS_Main_EmulateStencil =
@@ -469,6 +482,9 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description
if (description.hasBitmap) {
shader.append(gVS_Header_Uniforms_HasBitmap);
}
+ if (description.hasRoundRectClip) {
+ shader.append(gVS_Header_Uniforms_HasRoundRectClip);
+ }
// Varyings
if (description.hasTexture || description.hasExternalTexture) {
shader.append(gVS_Header_Varyings_HasTexture);
@@ -485,6 +501,9 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description
if (description.hasBitmap) {
shader.append(gVS_Header_Varyings_HasBitmap);
}
+ if (description.hasRoundRectClip) {
+ shader.append(gVS_Header_Varyings_HasRoundRectClip);
+ }
// Begin the shader
shader.append(gVS_Main); {
@@ -507,6 +526,9 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description
if (description.hasGradient) {
shader.append(gVS_Main_OutGradient[gradientIndex(description)]);
}
+ if (description.hasRoundRectClip) {
+ shader.append(gVS_Main_HasRoundRectClip);
+ }
}
// End the shader
shader.append(gVS_Footer);
@@ -553,6 +575,9 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti
if (description.hasBitmap) {
shader.append(gVS_Header_Varyings_HasBitmap);
}
+ if (description.hasRoundRectClip) {
+ shader.append(gVS_Header_Varyings_HasRoundRectClip);
+ }
// Uniforms
int modulateOp = MODULATE_OP_NO_MODULATE;
@@ -575,11 +600,18 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti
if (description.hasGammaCorrection) {
shader.append(gFS_Uniforms_Gamma);
}
+ if (description.hasRoundRectClip) {
+ shader.append(gFS_Uniforms_HasRoundRectClip);
+ }
// Optimization for common cases
- if (!description.isAA && !blendFramebuffer && !description.hasColors &&
- description.colorOp == ProgramDescription::kColorNone &&
- !description.hasDebugHighlight && !description.emulateStencil) {
+ if (!description.isAA
+ && !blendFramebuffer
+ && !description.hasColors
+ && description.colorOp == ProgramDescription::kColorNone
+ && !description.hasDebugHighlight
+ && !description.emulateStencil
+ && !description.hasRoundRectClip) {
bool fast = false;
const bool noShader = !description.hasGradient && !description.hasBitmap;
@@ -729,6 +761,9 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti
if (description.hasColors) {
shader.append(gFS_Main_FragColor_HasColors);
}
+ if (description.hasRoundRectClip) {
+ shader.append(gFS_Main_FragColor_HasRoundRectClip);
+ }
if (description.hasDebugHighlight) {
shader.append(gFS_Main_DebugHighlight);
}