Merge "Adding support for all allowed textures. Cleaning up unused code Adding error messages"

3 files changed, 55 insertions, 3 deletions

diff --git a/libs/rs/java/Samples/res/raw/multitexf.glsl b/libs/rs/java/Samples/res/raw/multitexf.glsl
new file mode 100644
index 0000000..91151ad
--- /dev/null
+++ b/libs/rs/java/Samples/res/raw/multitexf.glsl
@@ -0,0 +1,12 @@
+varying vec4 varTex0;
+
+void main() {
+   vec2 t0 = varTex0.xy;
+   lowp vec4 col0 = texture2D(UNI_Tex0, t0).rgba;
+   lowp vec4 col1 = texture2D(UNI_Tex1, t0*4.0).rgba;
+   lowp vec4 col2 = texture2D(UNI_Tex2, t0).rgba;
+   col0.xyz = col0.xyz*col1.xyz*1.5;
+   col0.xyz = mix(col0.xyz, col2.xyz, col2.w);
+   gl_FragColor = col0;
+}
+
diff --git a/libs/rs/java/Samples/src/com/android/samples/RsRenderStatesRS.java b/libs/rs/java/Samples/src/com/android/samples/RsRenderStatesRS.java
index 18b94d9..d4e83d3 100644
--- a/libs/rs/java/Samples/src/com/android/samples/RsRenderStatesRS.java
+++ b/libs/rs/java/Samples/src/com/android/samples/RsRenderStatesRS.java
@@ -42,7 +42,7 @@ public class RsRenderStatesRS {
         mOptionsARGB.inScaled = false;
         mOptionsARGB.inPreferredConfig = Bitmap.Config.ARGB_8888;
         mMode = 0;
-        mMaxModes = 7;
+        mMaxModes = 8;
         initRS();
     }
 
@@ -68,6 +68,7 @@ public class RsRenderStatesRS {
     // Custom shaders
     private ProgramVertex mProgVertexCustom;
     private ProgramFragment mProgFragmentCustom;
+    private ProgramFragment mProgFragmentMultitex;
     private ScriptField_VertexShaderConstants_s mVSConst;
     private ScriptField_FragentShaderConstants_s mFSConst;
 
@@ -214,8 +215,14 @@ public class RsRenderStatesRS {
         // Bind the source of constant data
         mProgFragmentCustom.bindConstants(mFSConst.getAllocation(), 0);
 
+        pfbCustom = new ProgramFragment.ShaderBuilder(mRS);
+        pfbCustom.setShader(mRes, R.raw.multitexf);
+        pfbCustom.setTextureCount(3);
+        mProgFragmentMultitex = pfbCustom.create();
+
         mScript.set_gProgVertexCustom(mProgVertexCustom);
         mScript.set_gProgFragmentCustom(mProgFragmentCustom);
+        mScript.set_gProgFragmentMultitex(mProgFragmentMultitex);
     }
 
     private Allocation loadTextureRGB(int id) {
diff --git a/libs/rs/java/Samples/src/com/android/samples/rsrenderstates.rs b/libs/rs/java/Samples/src/com/android/samples/rsrenderstates.rs
index c7bea93..659e1e4 100644
--- a/libs/rs/java/Samples/src/com/android/samples/rsrenderstates.rs
+++ b/libs/rs/java/Samples/src/com/android/samples/rsrenderstates.rs
@@ -60,6 +60,7 @@ VertexShaderInputs *gVSInputs;
 // Custom shaders we use for lighting
 rs_program_vertex gProgVertexCustom;
 rs_program_fragment gProgFragmentCustom;
+rs_program_fragment gProgFragmentMultitex;
 
 #pragma rs export_var(gProgVertex, gProgFragmentColor, gProgFragmentTexture)
 #pragma rs export_var(gProgStoreBlendNoneDepth, gProgStoreBlendNone, gProgStoreBlendAlpha, gProgStoreBlendAdd)
@@ -68,7 +69,7 @@ rs_program_fragment gProgFragmentCustom;
 #pragma rs export_var(gFontSans, gFontSerif, gFontSerifBold, gFontSerifItalic, gFontSerifBoldItalic, gFontMono)
 #pragma rs export_var(gLinearClamp, gLinearWrap, gMipLinearWrap, gNearestClamp)
 #pragma rs export_var(gCullBack, gCullFront)
-#pragma rs export_var(gVSConstants, gFSConstants, gVSInputs, gProgVertexCustom, gProgFragmentCustom)
+#pragma rs export_var(gVSConstants, gFSConstants, gVSInputs, gProgVertexCustom, gProgFragmentCustom, gProgFragmentMultitex)
 
 //What we are showing
 #pragma rs export_var(gDisplayMode)
@@ -414,9 +415,38 @@ void displayCustomShaderSamples() {
 
     rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f);
     rsgBindFont(gFontMono);
-    //rsgDrawText("Custom shader sample", 10, rsgGetHeight() - 10);
+    rsgDrawText("Custom shader sample", 10, rsgGetHeight() - 10);
 }
 
+void displayMultitextureSample() {
+    bindProgramVertexOrtho();
+    rs_matrix4x4 matrix;
+    rsMatrixLoadIdentity(&matrix);
+    rsgProgramVertexLoadModelMatrix(&matrix);
+
+    // Fragment shader with texture
+    rsgBindProgramStore(gProgStoreBlendNone);
+    rsgBindProgramFragment(gProgFragmentMultitex);
+    rsgBindSampler(gProgFragmentMultitex, 0, gLinearClamp);
+    rsgBindSampler(gProgFragmentMultitex, 1, gLinearWrap);
+    rsgBindSampler(gProgFragmentMultitex, 2, gLinearClamp);
+    rsgBindTexture(gProgFragmentMultitex, 0, gTexOpaque);
+    rsgBindTexture(gProgFragmentMultitex, 1, gTexTorus);
+    rsgBindTexture(gProgFragmentMultitex, 2, gTexTransparent);
+
+    float startX = 0, startY = 0;
+    float width = 256, height = 256;
+    rsgDrawQuadTexCoords(startX, startY, 0, 0, 0,
+                         startX, startY + height, 0, 0, 1,
+                         startX + width, startY + height, 0, 1, 1,
+                         startX + width, startY, 0, 1, 0);
+
+    rsgFontColor(1.0f, 1.0f, 1.0f, 1.0f);
+    rsgBindFont(gFontMono);
+    rsgDrawText("Custom shader with multitexturing", 10, 280);
+}
+
+
 int root(int launchID) {
 
     gDt = rsGetDt();
@@ -446,6 +476,9 @@ int root(int launchID) {
     case 6:
         displayCustomShaderSamples();
         break;
+    case 7:
+        displayMultitextureSample();
+        break;
     }
 
     return 10;