commit 97073d12b757f7569f75491f412afeffc915b624
author Geoff Lang <geofflang@chromium.org> Wed Apr 20 10:42:34 2016 -0700
committer Commit Bot <commit-bot@chromium.org> Wed Aug 03 17:56:06 2016 +0000
tree 378aa3e0cb93273bb8bf884eb94472f4c9d6b1f5
parent 59a334fcebec7c6433c925b43d6204f6fa3819f5

Implement CHROMIUM_copy_texture for D3D11.

BUG=angleproject:1356

Change-Id: I70246762411dbeeb3e291e317854139a68d80070
Reviewed-on: https://chromium-review.googlesource.com/339434
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Geoff Lang <geofflang@chromium.org>

src/libANGLE/Context.cpp

diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index 0e9c078..e0c45b5 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -2730,6 +2730,52 @@
     handleError(texture->generateMipmap());
 }
 
+void Context::copyTextureCHROMIUM(GLuint sourceId,
+                                  GLuint destId,
+                                  GLint internalFormat,
+                                  GLenum destType,
+                                  GLboolean unpackFlipY,
+                                  GLboolean unpackPremultiplyAlpha,
+                                  GLboolean unpackUnmultiplyAlpha)
+{
+    syncStateForTexImage();
+
+    gl::Texture *sourceTexture = getTexture(sourceId);
+    gl::Texture *destTexture   = getTexture(destId);
+    handleError(destTexture->copyTexture(internalFormat, destType, unpackFlipY == GL_TRUE,
+                                         unpackPremultiplyAlpha == GL_TRUE,
+                                         unpackUnmultiplyAlpha == GL_TRUE, sourceTexture));
+}
+
+void Context::copySubTextureCHROMIUM(GLuint sourceId,
+                                     GLuint destId,
+                                     GLint xoffset,
+                                     GLint yoffset,
+                                     GLint x,
+                                     GLint y,
+                                     GLsizei width,
+                                     GLsizei height,
+                                     GLboolean unpackFlipY,
+                                     GLboolean unpackPremultiplyAlpha,
+                                     GLboolean unpackUnmultiplyAlpha)
+{
+    // Zero sized copies are valid but no-ops
+    if (width == 0 || height == 0)
+    {
+        return;
+    }
+
+    syncStateForTexImage();
+
+    gl::Texture *sourceTexture = getTexture(sourceId);
+    gl::Texture *destTexture   = getTexture(destId);
+    Offset offset(xoffset, yoffset, 0);
+    Rectangle area(x, y, width, height);
+    handleError(destTexture->copySubTexture(offset, area, unpackFlipY == GL_TRUE,
+                                            unpackPremultiplyAlpha == GL_TRUE,
+                                            unpackUnmultiplyAlpha == GL_TRUE, sourceTexture));
+}
+
 void Context::getBufferPointerv(GLenum target, GLenum /*pname*/, void **params)
 {
     Buffer *buffer = mGLState.getTargetBuffer(target);