commit ef21edcc70fc2734a3dc7995d3c3af1f90d16ef8
author Jason Sams <rjsams@android.com> Mon Feb 22 15:37:51 2010 -0800
committer Jason Sams <rjsams@android.com> Mon Feb 22 15:37:51 2010 -0800
tree 5b349a64e3050252325f713ffb775457684eb63b
parent b91ff26cb9b302f2a6573ab9ba75abbb4451d01c

beging np2 extension check work.

rsContext.cpp

diff --git a/rsContext.cpp b/rsContext.cpp
index dec993a..cc3a74f 100644
--- a/rsContext.cpp
+++ b/rsContext.cpp
@@ -546,6 +546,8 @@
 
             glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &mGL.mMaxFragmentTextureImageUnits);
             glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_VECTORS, &mGL.mMaxFragmentUniformVectors);
+
+            mGL.OES_texture_npot = NULL != strstr((const char *)mGL.mExtensions, "GL_OES_texture_npot");
         }
 
     }

rsContext.h

diff --git a/rsContext.h b/rsContext.h
index 03e65f1..04bd748 100644
--- a/rsContext.h
+++ b/rsContext.h
@@ -163,6 +163,8 @@
 
     mutable const ObjectBase * mObjHead;
 
+    bool ext_OES_texture_npot() const {return mGL.OES_texture_npot;}
+
 protected:
     Device *mDev;
 
@@ -196,6 +198,8 @@
         int32_t mMaxVertexAttribs;
         int32_t mMaxVertexUniformVectors;
         int32_t mMaxVertexTextureUnits;
+
+        bool OES_texture_npot;
     } mGL;
 
     uint32_t mWidth;

rsProgramFragment.cpp

diff --git a/rsProgramFragment.cpp b/rsProgramFragment.cpp
index 15f3269..c17b94c 100644
--- a/rsProgramFragment.cpp
+++ b/rsProgramFragment.cpp
@@ -109,7 +109,7 @@
         }
 
         if (mSamplers[ct].get()) {
-            mSamplers[ct]->setupGL(rsc);
+            mSamplers[ct]->setupGL(rsc, mTextures[ct]->getType()->getIsNp2());
         } else {
             glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
             glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@@ -159,7 +159,7 @@
         glBindTexture(GL_TEXTURE_2D, mTextures[ct]->getTextureID());
         rsc->checkError("ProgramFragment::setupGL2 tex bind");
         if (mSamplers[ct].get()) {
-            mSamplers[ct]->setupGL(rsc);
+            mSamplers[ct]->setupGL(rsc, mTextures[ct]->getType()->getIsNp2());
         } else {
             glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
             glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);

rsSampler.cpp

diff --git a/rsSampler.cpp b/rsSampler.cpp
index 7552d54..71f508f 100644
--- a/rsSampler.cpp
+++ b/rsSampler.cpp
@@ -53,7 +53,7 @@
 {
 }
 
-void Sampler::setupGL(const Context *rsc)
+void Sampler::setupGL(const Context *rsc, bool npot)
 {
     GLenum trans[] = {
         GL_NEAREST, //RS_SAMPLER_NEAREST,
@@ -64,11 +64,21 @@
 
     };
 
-    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, trans[mMinFilter]);
+    bool forceNonMip = false;
+    if (!rsc->ext_OES_texture_npot() && npot) {
+        forceNonMip = true;
+    }
+
+    if ((mMinFilter == RS_SAMPLER_LINEAR_MIP_LINEAR) && forceNonMip) {
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    } else {
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, trans[mMinFilter]);
+    }
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, trans[mMagFilter]);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, trans[mWrapS]);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, trans[mWrapT]);
 
+
     rsc->checkError("ProgramFragment::setupGL2 tex env");
 }
 

rsSampler.h

diff --git a/rsSampler.h b/rsSampler.h
index 9e20a2f..0506081 100644
--- a/rsSampler.h
+++ b/rsSampler.h
@@ -41,7 +41,7 @@
     virtual ~Sampler();
 
     void bind(Allocation *);
-    void setupGL(const Context *);
+    void setupGL(const Context *, bool npot);
 
     void bindToContext(SamplerState *, uint32_t slot);
     void unbindFromContext(SamplerState *);

rsType.cpp

diff --git a/rsType.cpp b/rsType.cpp
index 9d24c6c..c09e979 100644
--- a/rsType.cpp
+++ b/rsType.cpp
@@ -283,6 +283,24 @@
     mElement->dumpLOGV(buf);
 }
 
+bool Type::getIsNp2() const
+{
+    uint32_t x = getDimX();
+    uint32_t y = getDimY();
+    uint32_t z = getDimZ();
+
+    if (x && (x & (x-1))) {
+        return true;
+    }
+    if (y && (y & (y-1))) {
+        return true;
+    }
+    if (z && (z & (z-1))) {
+        return true;
+    }
+    return false;
+}
+
 
 //////////////////////////////////////////////////
 //

rsType.h

diff --git a/rsType.h b/rsType.h
index 28e6274..c25577c 100644
--- a/rsType.h
+++ b/rsType.h
@@ -56,6 +56,7 @@
     uint32_t getLODOffset(uint32_t lod, uint32_t x, uint32_t y, uint32_t z) const;
 
     uint32_t getLODCount() const {return mLODCount;}
+    bool getIsNp2() const;
 
 
     void setElement(const Element *e) {mElement.set(e);}
@@ -65,6 +66,7 @@
     void setDimFaces(bool v) {mFaces = v;}
     void setDimLOD(bool v) {mDimLOD = v;}
 
+
     void clear();
     void compute();