Error out if depth textures have more than one level.

Trac #20959 Signed-off-by: Nicolas Capens git-svn-id: https://angleproject.googlecode.com/svn/trunk@1135 736b8ea6-26fd-11df-bfd4-992fa37f6226

Error out if depth textures have more than one level.
797924bc · daniel@transgaming.com · 8833dd22 · 797924bc
Commit 797924bc authored Jun 05, 2012 by daniel@transgaming.com
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libGLESv2.cpp src/libGLESv2/libGLESv2.cpp +8 -2

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--- a/src/libGLESv2/libGLESv2.cpp
+++ b/src/libGLESv2/libGLESv2.cpp
@@ -5373,8 +5373,9 @@ void __stdcall glTexImage2D(GLenum target, GLint level, GLint internalformat, GL
                {
                    return error(GL_INVALID_OPERATION);
                }
-                // OES_depth_texture supports loading depth data, but ANGLE_depth_texture does not
+                // OES_depth_texture supports loading depth data and multiple levels,
-                if (pixels != NULL)
+                // but ANGLE_depth_texture does not
+                if (pixels != NULL || level != 0)
                {
                    return error(GL_INVALID_OPERATION);
                }
@@ -5660,6 +5661,11 @@ void __stdcall glTexStorage2DEXT(GLenum target, GLsizei levels, GLenum internalf
                {
                    return error(GL_INVALID_OPERATION);
                }
+                // ANGLE_depth_texture only supports 1-level textures
+                if (levels != 1)
+                {
+                    return error(GL_INVALID_OPERATION);
+                }
                break;
              default:
                break;