diff options
| author | 2012-08-29 15:53:30 -0700 | |
|---|---|---|
| committer | 2012-08-29 15:53:31 -0700 | |
| commit | 402206b6e25af5d9e103cae215048c7a41d68d39 (patch) | |
| tree | 825e2f61a415c40400723b19f24a592d173cb511 /libs/hwui/ProgramCache.cpp | |
| parent | b2c94ec893578dd95cac81b43726829503f29d47 (diff) | |
| parent | a798b95a9ef328720febec72d01462cd97e3d4c7 (diff) | |
Merge "Use smoothstep to eliminate branches in AA shader" into jb-mr1-dev
Diffstat (limited to 'libs/hwui/ProgramCache.cpp')
| -rw-r--r-- | libs/hwui/ProgramCache.cpp | 17 |
1 files changed, 4 insertions, 13 deletions
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp index d67bfbe3d4ea..8a9a2ac00c78 100644 --- a/libs/hwui/ProgramCache.cpp +++ b/libs/hwui/ProgramCache.cpp @@ -129,9 +129,7 @@ const char* gFS_Uniforms_Color = "uniform vec4 color;\n"; const char* gFS_Uniforms_AA = "uniform float boundaryWidth;\n" - "uniform float inverseBoundaryWidth;\n" - "uniform float boundaryLength;\n" - "uniform float inverseBoundaryLength;\n"; + "uniform float boundaryLength;\n"; const char* gFS_Header_Uniforms_PointHasBitmap = "uniform vec2 textureDimension;\n" "uniform float pointSize;\n"; @@ -242,16 +240,9 @@ const char* gFS_Main_ModulateColor = const char* gFS_Main_ModulateColor_ApplyGamma = " fragColor *= pow(color.a, gamma);\n"; const char* gFS_Main_AccountForAA = - " if (widthProportion < boundaryWidth) {\n" - " fragColor *= (widthProportion * inverseBoundaryWidth);\n" - " } else if (widthProportion > (1.0 - boundaryWidth)) {\n" - " fragColor *= ((1.0 - widthProportion) * inverseBoundaryWidth);\n" - " }\n" - " if (lengthProportion < boundaryLength) {\n" - " fragColor *= (lengthProportion * inverseBoundaryLength);\n" - " } else if (lengthProportion > (1.0 - boundaryLength)) {\n" - " fragColor *= ((1.0 - lengthProportion) * inverseBoundaryLength);\n" - " }\n"; + " 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_FetchTexture[2] = { // Don't modulate " fragColor = texture2D(sampler, outTexCoords);\n", |