commit b9dda64e0e31dc5ac3eb7a19948062385a097cdb
author Alexis Hetu <sugoi@google.com> Thu Oct 06 11:25:32 2016 -0400
committer Alexis Hétu <sugoi@google.com> Thu Nov 17 18:38:29 2016 +0000
tree 3d08a74dd912c6e1d861892e28fe13d4f6d0425c
parent a6e99c02de6162a6a55f5de3d42c2e8c190cf3f2

glBlitFramebuffer support for depth/stencil formats

Added support for depth and stencil formats for glBlitFramebuffer:
- Blitter now supports quad layout and stencil
- Device::stretchRect() now supports specific buffers, so that a
  caller can specifically choose which buffer to copy

Change-Id: Iae0898df11e0a1d3c006113486ed15a3fd2f90a9
Reviewed-on: https://swiftshader-review.googlesource.com/7510
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>

src/OpenGL/libGLESv2/libGLESv2.cpp

diff --git a/src/OpenGL/libGLESv2/libGLESv2.cpp b/src/OpenGL/libGLESv2/libGLESv2.cpp
index 2b7361d..447d800 100644
--- a/src/OpenGL/libGLESv2/libGLESv2.cpp
+++ b/src/OpenGL/libGLESv2/libGLESv2.cpp
@@ -6236,7 +6236,7 @@
 	}
 }
 
-void BlitFramebufferNV(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter)
+static void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter, bool allowPartialDepthStencilBlit)
 {
 	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, "
@@ -6266,10 +6266,15 @@
 			return error(GL_INVALID_OPERATION);
 		}
 
-		context->blitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, false);
+		context->blitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, false, allowPartialDepthStencilBlit);
 	}
 }
 
+void BlitFramebufferNV(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter)
+{
+	BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter, true);
+}
+
 void BlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
                           GLbitfield mask, GLenum filter)
 {
@@ -6279,7 +6284,7 @@
 		return error(GL_INVALID_OPERATION);
 	}
 
-	glBlitFramebufferNV(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
+	BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter, false);
 }
 
 void TexImage3DOES(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth,