Revert r2611 until windows gm can be debugged



git-svn-id: http://skia.googlecode.com/svn/trunk@2612 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/bench/benchmain.cpp b/bench/benchmain.cpp
index b809c99..c58d5b1 100644
--- a/bench/benchmain.cpp
+++ b/bench/benchmain.cpp
@@ -464,13 +464,15 @@
             reinterpret_cast<GrPlatform3DContext>(glctx.get()->gl());
         context = GrContext::Create(kOpenGL_Shaders_GrEngine, ctx);
         if (NULL != context) {
-            GrPlatformRenderTargetDesc desc;
+            GrPlatformSurfaceDesc desc;
+            desc.reset();
             desc.fConfig = kRGBA_8888_GrPixelConfig;
             desc.fWidth = contextWidth;
             desc.fHeight = contextHeight;
             desc.fStencilBits = 8;
-            desc.fRenderTargetHandle = glctx.get()->getFBOID();
-            rt = context->createPlatformRenderTarget(desc);
+            desc.fPlatformRenderTarget = glctx.get()->getFBOID();
+            desc.fSurfaceType = kRenderTarget_GrPlatformSurfaceType;
+            rt = static_cast<GrRenderTarget*>(context->createPlatformSurface(desc));
             if (NULL == rt) {
                 context->unref();
                 context = NULL;
diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index f437906..f2ab703 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -647,13 +647,15 @@
             reinterpret_cast<GrPlatform3DContext>(glContext.get()->gl());
         gGrContext = GrContext::Create(kOpenGL_Shaders_GrEngine, ctx);
         if (NULL != gGrContext) {
-            GrPlatformRenderTargetDesc desc;
+            GrPlatformSurfaceDesc desc;
+            desc.reset();
             desc.fConfig = kRGBA_8888_GrPixelConfig;
             desc.fWidth = maxW;
             desc.fHeight = maxH;
             desc.fStencilBits = 8;
-            desc.fRenderTargetHandle = glContext.get()->getFBOID();
-            rt = gGrContext->createPlatformRenderTarget(desc);
+            desc.fPlatformRenderTarget = glContext.get()->getFBOID();
+            desc.fSurfaceType = kRenderTarget_GrPlatformSurfaceType;
+            rt = static_cast<GrRenderTarget*>(gGrContext->createPlatformSurface(desc));
             if (NULL == rt) {
                 gGrContext->unref();
                 gGrContext = NULL;
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index 5e132a2..d61b8bb 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -238,35 +238,6 @@
     // Platform Surfaces
 
     /**
-     * Wraps an existing texture with a GrTexture object.
-     *
-     * OpenGL: if the object is a texture Gr may change its GL texture params
-     *         when it is drawn.
-     *
-     * @param  desc     description of the object to create.
-     *
-     * @return GrTexture object or NULL on failure.
-     */
-    GrTexture* createPlatformTexture(const GrPlatformTextureDesc& desc);
-
-    /**
-     * Wraps an existing render target with a GrRenderTarget object. It is
-     * similar to createPlatformTexture but can be used to draw into surfaces
-     * that are not also textures (e.g. FBO 0 in OpenGL, or an MSAA buffer that
-     * the client will resolve to a texture).
-     *
-     * @param  desc     description of the object to create.
-     *
-     * @return GrTexture object or NULL on failure.
-     */
-     GrRenderTarget* createPlatformRenderTarget(
-                                    const GrPlatformRenderTargetDesc& desc);
-
-    /**
-     * This interface is depracted and will be removed in a future revision.
-     * Callers should use createPlatformTexture or createPlatformRenderTarget
-     * instead.
-     *
      * Wraps an existing 3D API surface in a GrObject. desc.fFlags determines
      * the type of object returned. If kIsTexture is set the returned object
      * will be a GrTexture*. Otherwise, it will be a GrRenderTarget*. If both 
diff --git a/include/gpu/GrTypes.h b/include/gpu/GrTypes.h
index bb19c35..5e9cdb2 100644
--- a/include/gpu/GrTypes.h
+++ b/include/gpu/GrTypes.h
@@ -504,99 +504,6 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-// opaque type for 3D API object handles
-typedef intptr_t GrPlatform3DObject;
-
-/**
- * Gr can wrap an existing texture created by the client with a GrTexture
- * object. The client is responsible for ensuring that the texture lives at
- * least as long as the GrTexture object wrapping it. We require the client to 
- * explicitly provide information about the texture, such as width, height, 
- * and pixel config, rather than querying the 3D APIfor these values. We expect
- * these to be immutable even if the 3D API doesn't require this (OpenGL).
- *
- * Textures that are also render targets are supported as well. Gr will manage
- * any ancillary 3D API (stencil buffer, FBO id, etc) objects necessary for
- * Gr to draw into the render target. To access the render target object
- * call GrTexture::asRenderTarget().
- *
- * If in addition to the render target flag, the caller also specifies a sample
- * count Gr will create an MSAA buffer that resolves into the texture. Gr auto-
- * resolves when it reads from the texture. The client can explictly resolve
- * using the GrRenderTarget interface.
- */
-
-enum GrPlatformTextureFlags {
-    /**
-     * No flags enabled
-     */
-    kNone_GrPlatformTextureFlag              = 0x0,
-    /**
-     * Indicates that the texture is also a render target, and thus should have
-     * a GrRenderTarget object.
-     *
-     * D3D (future): client must have created the texture with flags that allow
-     * it to be used as a render target.
-     */
-    kRenderTarget_GrPlatformTextureFlag      = 0x1,
-};
-GR_MAKE_BITFIELD_OPS(GrPlatformTextureFlags)
-
-struct GrPlatformTextureDesc {
-    GrPlatformTextureDesc() { memset(this, 0, sizeof(*this)); }
-    GrPlatformTextureFlags          fFlags;
-    int                             fWidth;         //<! width in pixels
-    int                             fHeight;        //<! height in pixels
-    GrPixelConfig                   fConfig;        //<! color format
-    /**
-     * If the render target flag is set and sample count is greater than 0
-     * then Gr will create an MSAA buffer that resolves to the texture.
-     */
-    int                             fSampleCnt;
-    /**
-     * Handle to the 3D API object.
-     * OpenGL: Texture ID.
-     */
-    GrPlatform3DObject              fTextureHandle;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-/**
- * Gr can wrap an existing render target created by the client in the 3D API
- * with a GrRenderTarget object. The client is responsible for ensuring that the
- * underlying 3D API object lives at least as long as the GrRenderTarget object
- * wrapping it. We require the client to explicitly provide information about 
- * the target, such as width, height, and pixel config rather than querying the
- * 3D API for these values. We expect these properties to be immutable even if
- * the 3D API doesn't require this (OpenGL).
- */
-
-struct GrPlatformRenderTargetDesc {
-    GrPlatformRenderTargetDesc() { memset(this, 0, sizeof(this)); }
-    int                             fWidth;         //<! width in pixels
-    int                             fHeight;        //<! height in pixels
-    GrPixelConfig                   fConfig;        //<! color format
-    /**
-     * The number of samples per pixel. Gr uses this to influence decisions
-     * about applying other forms of antialiasing.
-     */
-    int                             fSampleCnt;
-    /**
-     * Number of bits of stencil per-pixel.
-     */
-    int                             fStencilBits;
-    /**
-     * Handle to the 3D API object.
-     * OpenGL: FBO ID
-     */
-    GrPlatform3DObject              fRenderTargetHandle;
-};
-
-///////////////////////////////////////////////////////////////////////////////
-// DEPRECATED. createPlatformSurface is replaced by createPlatformTexture
-// and createPlatformRenderTarget. These enums and structs will be removed.
-
 enum GrPlatformSurfaceType {
     /**
      * Specifies that the object being created is a render target.
@@ -630,6 +537,12 @@
 
 GR_MAKE_BITFIELD_OPS(GrPlatformRenderTargetFlags)
 
+// opaque type for 3D API object handles
+typedef intptr_t GrPlatform3DObject;
+
+/**
+ * Description of platform surface to create. See below for GL example.
+ */
 struct GrPlatformSurfaceDesc {
     GrPlatformSurfaceType           fSurfaceType;   // type of surface to create
     /**
diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index cedc6a5..3b32154 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -182,28 +182,34 @@
         if (fGrContext) {
             win->attachGL();
 
-            GrPlatformRenderTargetDesc desc;
+            GrPlatformSurfaceDesc desc;
+            desc.reset();
+            desc.fSurfaceType = kRenderTarget_GrPlatformSurfaceType;
             desc.fWidth = SkScalarRound(win->width());
             desc.fHeight = SkScalarRound(win->height());
             desc.fConfig = kRGBA_8888_GrPixelConfig;
-            GR_GL_GetIntegerv(fGL, GR_GL_SAMPLES, &desc.fSampleCnt);
             GR_GL_GetIntegerv(fGL, GR_GL_STENCIL_BITS, &desc.fStencilBits);
+            GR_GL_GetIntegerv(fGL, GR_GL_SAMPLES, &desc.fSampleCnt);
             GrGLint buffer;
             GR_GL_GetIntegerv(fGL, GR_GL_FRAMEBUFFER_BINDING, &buffer);
-            desc.fRenderTargetHandle = buffer;
+            desc.fPlatformRenderTarget = buffer;
 
             SkSafeUnref(fGrRenderTarget);
-            fGrRenderTarget = fGrContext->createPlatformRenderTarget(desc);
+            fGrRenderTarget = static_cast<GrRenderTarget*>(
+                                            fGrContext->createPlatformSurface(desc));
         }
         if (NULL != fNullGrContext) {
-            GrPlatformRenderTargetDesc desc;
+            GrPlatformSurfaceDesc desc;
+            desc.reset();
+            desc.fSurfaceType = kRenderTarget_GrPlatformSurfaceType;
             desc.fWidth = SkScalarRound(win->width());
             desc.fHeight = SkScalarRound(win->height());
             desc.fConfig = kRGBA_8888_GrPixelConfig;
             desc.fStencilBits = 8;
             desc.fSampleCnt = 0;
-            desc.fRenderTargetHandle = 0;
-            fGrRenderTarget = fNullGrContext->createPlatformRenderTarget(desc);
+            desc.fPlatformRenderTarget = 0;
+            fNullGrRenderTarget = static_cast<GrRenderTarget*>(
+                                            fNullGrContext->createPlatformSurface(desc));
         }
     }
 
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index f4e5e9b..231cf23 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -525,14 +525,6 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-GrTexture* GrContext::createPlatformTexture(const GrPlatformTextureDesc& desc) {
-    return fGpu->createPlatformTexture(desc);
-}
-
-GrRenderTarget* GrContext::createPlatformRenderTarget(const GrPlatformRenderTargetDesc& desc) {
-    return fGpu->createPlatformRenderTarget(desc);
-}
-
 GrResource* GrContext::createPlatformSurface(const GrPlatformSurfaceDesc& desc) {
     // validate flags here so that GrGpu subclasses don't have to check
     if (kTexture_GrPlatformSurfaceType == desc.fSurfaceType &&
diff --git a/src/gpu/GrGLRenderTarget.h b/src/gpu/GrGLRenderTarget.h
index eb817df..5aeb36d 100644
--- a/src/gpu/GrGLRenderTarget.h
+++ b/src/gpu/GrGLRenderTarget.h
@@ -67,9 +67,7 @@
         return this->textureFBOID();
     }
     virtual ResolveType getResolveType() const {
-
-        if (!this->isMultisampled() ||
-            fRTFBOID == fTexFBOID) {
+        if (fRTFBOID == fTexFBOID) {
             // catches FBO 0 and non MSAA case
             return kAutoResolves_ResolveType;
         } else if (kUnresolvableFBOID == fTexFBOID) {
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index b7d1395..c5a8bfb 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -195,25 +195,6 @@
     }
 }
 
-GrTexture* GrGpu::createPlatformTexture(const GrPlatformTextureDesc& desc) {
-    this->handleDirtyContext();
-    GrTexture* tex = this->onCreatePlatformTexture(desc);
-    // TODO: defer this and attach dynamically
-    GrRenderTarget* tgt = tex->asRenderTarget();
-    if (NULL != tgt &&
-        !this->attachStencilBufferToRenderTarget(tgt)) {
-        tex->unref();
-        return NULL;
-    } else {
-        return tex;
-    }
-}
-
-GrRenderTarget* GrGpu::createPlatformRenderTarget(const GrPlatformRenderTargetDesc& desc) {
-    this->handleDirtyContext();
-    return this->onCreatePlatformRenderTarget(desc);
-}
-
 GrResource* GrGpu::createPlatformSurface(const GrPlatformSurfaceDesc& desc) {
     this->handleDirtyContext();
     return this->onCreatePlatformSurface(desc);
diff --git a/src/gpu/GrGpu.h b/src/gpu/GrGpu.h
index b0aaa18..5d9cf4f 100644
--- a/src/gpu/GrGpu.h
+++ b/src/gpu/GrGpu.h
@@ -121,19 +121,6 @@
     GrTexture* createTexture(const GrTextureDesc& desc,
                              const void* srcData, size_t rowBytes);
 
-    /**
-     * Implements GrContext::createPlatformTexture
-     */
-    GrTexture* createPlatformTexture(const GrPlatformTextureDesc& desc);
-
-    /**
-     * Implements GrContext::createPlatformTexture
-     */
-    GrRenderTarget* createPlatformRenderTarget(const GrPlatformRenderTargetDesc& desc);
-
-    /**
-     * DEPRECATED. This will be removed.
-     */
     GrResource* createPlatformSurface(const GrPlatformSurfaceDesc& desc);
 
     /**
@@ -327,8 +314,6 @@
     virtual GrTexture* onCreateTexture(const GrTextureDesc& desc,
                                        const void* srcData,
                                        size_t rowBytes) = 0;
-    virtual GrTexture* onCreatePlatformTexture(const GrPlatformTextureDesc& desc) = 0;
-    virtual GrRenderTarget* onCreatePlatformRenderTarget(const GrPlatformRenderTargetDesc& desc) = 0;
     virtual GrResource* onCreatePlatformSurface(const GrPlatformSurfaceDesc& desc) = 0;
     virtual GrVertexBuffer* onCreateVertexBuffer(uint32_t size,
                                                  bool dynamic) = 0;
diff --git a/src/gpu/GrGpuGL.cpp b/src/gpu/GrGpuGL.cpp
index bae4f77..10c0fa6 100644
--- a/src/gpu/GrGpuGL.cpp
+++ b/src/gpu/GrGpuGL.cpp
@@ -634,81 +634,6 @@
     fHWDrawState.fRenderTarget = NULL;
 }
 
-GrTexture* GrGpuGL::onCreatePlatformTexture(const GrPlatformTextureDesc& desc) {
-    GrGLenum internalFormat; // we don't need this value
-    GrGLTexture::Desc glTexDesc;
-    if (!this->canBeTexture(desc.fConfig, &internalFormat, 
-                            &glTexDesc.fUploadFormat, &glTexDesc.fUploadType)) {
-        return NULL;
-    }
-    
-    glTexDesc.fContentWidth = glTexDesc.fAllocWidth = desc.fWidth;
-    glTexDesc.fContentHeight = glTexDesc.fAllocHeight = desc.fHeight;
-    glTexDesc.fConfig = desc.fConfig;
-    glTexDesc.fTextureID = static_cast<GrGLuint>(desc.fTextureHandle);
-    glTexDesc.fOwnsID = false;
-    glTexDesc.fOrientation = GrGLTexture::kBottomUp_Orientation;
-
-    GrGLTexture* texture = NULL;
-    if (desc.fFlags & kRenderTarget_GrPlatformTextureFlag) {
-        GrGLRenderTarget::Desc glRTDesc;
-        glRTDesc.fRTFBOID = 0;
-        glRTDesc.fTexFBOID = 0;
-        glRTDesc.fMSColorRenderbufferID = 0;
-        glRTDesc.fOwnIDs = true;
-        glRTDesc.fConfig = desc.fConfig;
-        glRTDesc.fSampleCnt = desc.fSampleCnt;
-        if (!this->createRenderTargetObjects(glTexDesc.fAllocWidth,
-                                             glTexDesc.fAllocHeight,
-                                             glTexDesc.fTextureID,
-                                             &glRTDesc)) {
-            return NULL;
-        }
-        texture = new GrGLTexture(this, glTexDesc, glRTDesc);
-    } else {
-        texture = new GrGLTexture(this, glTexDesc);
-    }
-    if (NULL == texture) {
-        return NULL;
-    }
-    
-    this->setSpareTextureUnit();
-    return texture;
-}
-
-GrRenderTarget* GrGpuGL::onCreatePlatformRenderTarget(const GrPlatformRenderTargetDesc& desc) {
-    GrGLRenderTarget::Desc glDesc;
-    glDesc.fConfig = desc.fConfig;
-    glDesc.fRTFBOID = static_cast<GrGLuint>(desc.fRenderTargetHandle);
-    glDesc.fMSColorRenderbufferID = 0;
-    glDesc.fTexFBOID = GrGLRenderTarget::kUnresolvableFBOID;
-    glDesc.fSampleCnt = desc.fSampleCnt;
-    glDesc.fOwnIDs = false;
-    GrGLIRect viewport;
-    viewport.fLeft   = 0;
-    viewport.fBottom = 0;
-    viewport.fWidth  = desc.fWidth;
-    viewport.fHeight = desc.fHeight;
-    
-    GrRenderTarget* tgt = new GrGLRenderTarget(this, glDesc, viewport);
-    if (desc.fStencilBits) {
-        GrGLStencilBuffer::Format format;
-        format.fInternalFormat = GrGLStencilBuffer::kUnknownInternalFormat;
-        format.fPacked = false;
-        format.fStencilBits = desc.fStencilBits;
-        format.fTotalBits = desc.fStencilBits;
-        GrGLStencilBuffer* sb = new GrGLStencilBuffer(this,
-                                                      0,
-                                                      desc.fWidth,
-                                                      desc.fHeight,
-                                                      desc.fSampleCnt,
-                                                      format);
-        tgt->setStencilBuffer(sb);
-        sb->unref();
-    }
-    return tgt;
-}
-
 GrResource* GrGpuGL::onCreatePlatformSurface(const GrPlatformSurfaceDesc& desc) {
 
     bool isTexture = kTexture_GrPlatformSurfaceType == desc.fSurfaceType ||
@@ -943,10 +868,7 @@
 
     // If we are using multisampling we will create two FBOS. We render
     // to one and then resolve to the texture bound to the other.
-    if (desc->fSampleCnt > 0) {
-        if (GLCaps::kNone_MSFBO == fGLCaps.fMSFBOType) {
-            goto FAILED;
-        }
+    if (desc->fSampleCnt > 1 && GLCaps::kNone_MSFBO != fGLCaps.fMSFBOType) {
         GL_CALL(GenFramebuffers(1, &desc->fRTFBOID));
         GL_CALL(GenRenderbuffers(1, &desc->fMSColorRenderbufferID));
         if (!desc->fRTFBOID ||
@@ -1027,6 +949,12 @@
     ++fStats.fTextureCreateCnt;
 #endif
 
+    static const GrGLTexture::TexParams DEFAULT_PARAMS = {
+        GR_GL_NEAREST,
+        GR_GL_CLAMP_TO_EDGE,
+        GR_GL_CLAMP_TO_EDGE
+    };
+
     GrGLTexture::Desc glTexDesc;
     GrGLRenderTarget::Desc  glRTDesc;
     GrGLenum internalFormat;
@@ -1097,32 +1025,24 @@
 
     this->setSpareTextureUnit();
     GL_CALL(BindTexture(GR_GL_TEXTURE_2D, glTexDesc.fTextureID));
-
-    // Some drivers like to know these before seeing glTexImage2D. Some drivers
-    // have a bug where an FBO won't be complete if it includes a texture that
-    // is not complete (i.e. has mip levels or non-mip min filter).
-    static const GrGLTexture::TexParams DEFAULT_TEX_PARAMS = {
-        GR_GL_NEAREST,
-        GR_GL_CLAMP_TO_EDGE,
-        GR_GL_CLAMP_TO_EDGE
-    };
     GL_CALL(TexParameteri(GR_GL_TEXTURE_2D,
                           GR_GL_TEXTURE_MAG_FILTER,
-                          DEFAULT_TEX_PARAMS.fFilter));
+                          DEFAULT_PARAMS.fFilter));
     GL_CALL(TexParameteri(GR_GL_TEXTURE_2D,
                           GR_GL_TEXTURE_MIN_FILTER,
-                          DEFAULT_TEX_PARAMS.fFilter));
+                          DEFAULT_PARAMS.fFilter));
     GL_CALL(TexParameteri(GR_GL_TEXTURE_2D,
                           GR_GL_TEXTURE_WRAP_S,
-                          DEFAULT_TEX_PARAMS.fWrapS));
+                          DEFAULT_PARAMS.fWrapS));
     GL_CALL(TexParameteri(GR_GL_TEXTURE_2D,
                           GR_GL_TEXTURE_WRAP_T,
-                          DEFAULT_TEX_PARAMS.fWrapT));
+                          DEFAULT_PARAMS.fWrapT));
 
     this->allocateAndUploadTexData(glTexDesc, internalFormat,srcData, rowBytes);
 
     GrGLTexture* tex;
     if (renderTarget) {
+        GrGLenum msColorRenderbufferFormat = -1;
 #if GR_COLLECT_STATS
         ++fStats.fRenderTargetCreateCnt;
 #endif
@@ -1137,7 +1057,7 @@
     } else {
         tex = new GrGLTexture(this, glTexDesc);
     }
-    tex->setCachedTexParams(DEFAULT_TEX_PARAMS, this->getResetTimestamp());
+    tex->setCachedTexParams(DEFAULT_PARAMS, this->getResetTimestamp());
 #ifdef TRACE_TEXTURE_CREATION
     GrPrintf("--- new texture [%d] size=(%d %d) config=%d\n",
              glTexDesc.fTextureID, desc.fWidth, desc.fHeight, desc.fConfig);
diff --git a/src/gpu/GrGpuGL.h b/src/gpu/GrGpuGL.h
index 0addf4a..f28f578 100644
--- a/src/gpu/GrGpuGL.h
+++ b/src/gpu/GrGpuGL.h
@@ -80,8 +80,6 @@
     virtual GrIndexBuffer* onCreateIndexBuffer(uint32_t size,
                                                bool dynamic);
     virtual GrResource* onCreatePlatformSurface(const GrPlatformSurfaceDesc& desc);
-    virtual GrTexture* onCreatePlatformTexture(const GrPlatformTextureDesc& desc) SK_OVERRIDE;
-    virtual GrRenderTarget* onCreatePlatformRenderTarget(const GrPlatformRenderTargetDesc& desc) SK_OVERRIDE;
     virtual bool createStencilBufferForRenderTarget(GrRenderTarget* rt,
                                                     int width, int height);
     virtual bool attachStencilBufferToRenderTarget(GrStencilBuffer* sb,