Implements blitFramebuffer
TRAC #12713
Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch
Author: Shannon Woods
git-svn-id: https://angleproject.googlecode.com/svn/trunk@389 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/libGLESv2.cpp b/src/libGLESv2/libGLESv2.cpp
index 5fddf6f..cb46496 100644
--- a/src/libGLESv2/libGLESv2.cpp
+++ b/src/libGLESv2/libGLESv2.cpp
@@ -5087,6 +5087,54 @@
}
}
+void __stdcall glBlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
+ GLbitfield mask, GLenum filter)
+{
+ TRACE("(GLint srcX0 = %d, GLint srcY0 = %d, GLint srcX1 = %d, GLint srcY1 = %d, "
+ "GLint dstX0 = %d, GLint dstY0 = %d, GLint dstX1 = %d, GLint dstY1 = %d, "
+ "GLbitfield mask = 0x%X, GLenum filter = 0x%X)",
+ srcX0, srcY0, srcX1, srcX1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+
+ try
+ {
+ switch (filter)
+ {
+ case GL_NEAREST:
+ break;
+ default:
+ return error(GL_INVALID_ENUM);
+ }
+
+ if ((mask & ~(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)) != 0)
+ {
+ return error(GL_INVALID_VALUE);
+ }
+
+ if (srcX1 - srcX0 != dstX1 - dstX0 || srcY1 - srcY0 != dstY1 - dstY0)
+ {
+ ERR("Scaling and flipping in BlitFramebufferANGLE not supported by this implementation");
+ return error(GL_INVALID_OPERATION);
+ }
+
+ gl::Context *context = gl::getContext();
+
+ if (context)
+ {
+ if (context->getReadFramebufferHandle() == context->getDrawFramebufferHandle())
+ {
+ ERR("Blits with the same source and destination framebuffer are not supported by this implementation.");
+ return error(GL_INVALID_OPERATION);
+ }
+
+ context->blitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask);
+ }
+ }
+ catch(std::bad_alloc&)
+ {
+ return error(GL_OUT_OF_MEMORY);
+ }
+}
+
void __stdcall glTexImage3DOES(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth,
GLint border, GLenum format, GLenum type, const GLvoid* pixels)
{
@@ -5116,6 +5164,7 @@
static const Extension glExtensions[] =
{
{"glTexImage3DOES", (__eglMustCastToProperFunctionPointerType)glTexImage3DOES},
+ {"glBlitFramebufferANGLE", (__eglMustCastToProperFunctionPointerType)glBlitFramebufferANGLE}
};
for (int ext = 0; ext < sizeof(glExtensions) / sizeof(Extension); ext++)