diff options
Diffstat (limited to 'libs/hwui/ProgramCache.cpp')
| -rw-r--r-- | libs/hwui/ProgramCache.cpp | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp index 6d50410..f451690 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"; @@ -160,6 +167,10 @@ const char* gFS_Uniforms_ColorOp[3] = { 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"; @@ -318,6 +329,15 @@ const char* gFS_Main_ApplyColorOp[3] = { // 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 = @@ -462,6 +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); @@ -478,6 +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); { @@ -500,6 +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); @@ -546,6 +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; @@ -568,11 +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; @@ -722,6 +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); } |