| #version 100 |
| |
| precision mediump float; |
| precision mediump sampler2D; |
| uniform highp vec4 sk_RTAdjust; |
| uniform highp vec2 uAtlasSizeInv_Stage0; |
| attribute highp vec2 inPosition; |
| attribute mediump vec4 inColor; |
| attribute highp vec2 inTextureCoords; |
| varying mediump vec4 vinColor_Stage0; |
| varying highp vec2 vTextureCoords_Stage0; |
| varying highp float vTexIndex_Stage0; |
| varying highp vec2 vIntTextureCoords_Stage0; |
| void main() { |
| vinColor_Stage0 = inColor; |
| highp vec2 indexTexCoords = vec2(inTextureCoords.x, inTextureCoords.y); |
| highp vec2 unormTexCoords = floor(0.5 * indexTexCoords); |
| highp vec2 diff = indexTexCoords - 2.0 * unormTexCoords; |
| highp float texIdx = 2.0 * diff.x + diff.y; |
| vTextureCoords_Stage0 = unormTexCoords * uAtlasSizeInv_Stage0; |
| vTexIndex_Stage0 = texIdx; |
| vIntTextureCoords_Stage0 = unormTexCoords; |
| gl_Position = vec4(inPosition.x, inPosition.y, 0.0, 1.0); |
| gl_Position = vec4(gl_Position.xy * sk_RTAdjust.xz + gl_Position.ww * sk_RTAdjust.yw, 0.0, gl_Position.w); |
| } |