HDR: Rename GL_COLOR_TRANSFER instances to COLOR_TRANSFER

PiperOrigin-RevId: 469959215

libraries/effect/src/main/assets/shaders/fragment_shader_copy_external_yuv_es3.glsl

@@ -20,7 +20,7 @@
 //    https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_YUV_target.txt,
 // 2. Applies a YUV to RGB conversion using the specified color transform
 //    uYuvToRgbColorTransform, yielding electrical (HLG or PQ) BT.2020 RGB,
-// 3. If uEotfGlColorTransfer is GL_COLOR_TRANSFER_NO_VALUE, outputs electrical
+// 3. If uEotfColorTransfer is COLOR_TRANSFER_NO_VALUE, outputs electrical
 //    (HLG or PQ) BT.2020 RGB. Otherwise, outputs optical linear BT.2020 RGB for
 //    intermediate shaders by applying the HLG or PQ EOTF.
 // 4. Copies this converted texture color to the current output, with alpha = 1.
@@ -30,8 +30,8 @@
 precision mediump float;
 uniform __samplerExternal2DY2YEXT uTexSampler;
 uniform mat3 uYuvToRgbColorTransform;
-// C.java#GlColorTransfer value.
-uniform int uEotfGlColorTransfer;
+// C.java#ColorTransfer value.
+uniform int uEotfColorTransfer;
 in vec2 vTexSamplingCoord;
 out vec4 outColor;
 
@@ -84,9 +84,9 @@ highp vec3 getOpticalColor(highp vec3 electricalColor) {
   const int COLOR_TRANSFER_ST2084 = 6;
   const int COLOR_TRANSFER_HLG = 7;
 
-  if (uEotfGlColorTransfer == COLOR_TRANSFER_ST2084) {
+  if (uEotfColorTransfer == COLOR_TRANSFER_ST2084) {
     return pqEotf(electricalColor);
-  } else if (uEotfGlColorTransfer == COLOR_TRANSFER_HLG) {
+  } else if (uEotfColorTransfer == COLOR_TRANSFER_HLG) {
     return hlgEotf(electricalColor);
   } else {
     return electricalColor;

libraries/effect/src/main/assets/shaders/fragment_shader_oetf_es3.glsl

@@ -24,9 +24,9 @@ precision mediump float;
 uniform sampler2D uTexSampler;
 in vec2 vTexSamplingCoord;
 out vec4 outColor;
-// C.java#GlColorTransfer value.
-// Only GL_COLOR_TRANSFER_ST2084 and GL_COLOR_TRANSFER_HLG are allowed.
-uniform int uOetfGlColorTransfer;
+// C.java#ColorTransfer value.
+// Only COLOR_TRANSFER_ST2084 and COLOR_TRANSFER_HLG are allowed.
+uniform int uOetfColorTransfer;
 uniform mat3 uColorTransform;
 
 // TODO(b/227624622): Consider using mediump to save precision, if it won't lead
@@ -76,8 +76,8 @@ highp vec3 pqOetf(highp vec3 linearColor) {
 // electrical signals. Input and output are both normalzied to [0, 1].
 highp vec3 getElectricalColor(highp vec3 linearColor) {
   // LINT.IfChange(color_transfer)
-  const int GL_COLOR_TRANSFER_ST2084 = 6;
-  return (uOetfGlColorTransfer == GL_COLOR_TRANSFER_ST2084) ?
+  const int COLOR_TRANSFER_ST2084 = 6;
+  return (uOetfColorTransfer == COLOR_TRANSFER_ST2084) ?
       pqOetf(linearColor) : hlgOetf(linearColor);
 }
 

libraries/effect/src/main/java/androidx/media3/effect/MatrixTransformationProcessor.java

@@ -218,9 +218,9 @@ import java.util.Arrays;
 
       // If electrical colors are both input and output, no EOTF is needed.
       glProgram.setIntUniform(
-          "uEotfGlColorTransfer", outputElectricalColors ? Format.NO_VALUE : colorTransfer);
+          "uEotfColorTransfer", outputElectricalColors ? Format.NO_VALUE : colorTransfer);
     } else if (outputElectricalColors) {
-      glProgram.setIntUniform("uOetfGlColorTransfer", colorTransfer);
+      glProgram.setIntUniform("uOetfColorTransfer", colorTransfer);
     }
   }