Android/frameworks_base
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Improve performance of linear gradients.

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Change-Id: If1caee31fc045dea13a4c5c10f25f2ffd325c4f8
This commit is contained in:
Romain Guy
2010-10-11 14:38:28 -07:00
parent 101e2ae00c
commit 7537f856f9
1 changed files with 3 additions and 3 deletions
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6
libs/hwui/ProgramCache.cpp
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@@ -50,7 +50,7 @@ const char* gVS_Header_Varyings_HasBitmap =
"varying vec2 outBitmapTexCoords;\n";
const char* gVS_Header_Varyings_HasGradient[3] = {
// Linear
"varying float index;\n",
"varying vec2 linear;\n",
// Circular
"varying vec2 circular;\n",
// Sweep
@@ -62,7 +62,7 @@ const char* gVS_Main_OutTexCoords =
" outTexCoords = texCoords;\n";
const char* gVS_Main_OutGradient[3] = {
// Linear
" index = (screenSpace * position).x;\n",
" linear = vec2((screenSpace * position).x, 0.5);\n",
// Circular
" circular = (screenSpace * position).xy;\n",
// Sweep
@@ -121,7 +121,7 @@ const char* gFS_Main_FetchA8Texture =
" fragColor = color * texture2D(sampler, outTexCoords).a;\n";
const char* gFS_Main_FetchGradient[3] = {
// Linear
" vec4 gradientColor = texture2D(gradientSampler, vec2(index, 0.5));\n",
" vec4 gradientColor = texture2D(gradientSampler, linear);\n",
// Circular
" float index = length(circular);\n"
" vec4 gradientColor = texture2D(gradientSampler, vec2(index, 0.5));\n",