From e9b908b014be57cd2d3f0432adf16ac5b9631325 Mon Sep 17 00:00:00 2001 From: Paul Berry Date: Mon, 16 Jul 2012 11:25:50 -0700 Subject: [PATCH] msaa: Generate proper error for operations prohibited on MSAA buffers. From the GL 3.0 spec, section 4.3.3, in the documentation for CopyPixels(): "An INVALID_OPERATION error will be generated if the object bound to READ_FRAMEBUFFER_BINDING is framebuffer complete and the value of SAMPLE_BUFFERS is greater than zero." The same applies to CopyTexImage...() and CopyTexSubImage...() functions, since they are defined in terms of CopyPixels(). Previously we were generating an INVALID_FRAMEBUFFER_OPERATION error in these cases. Fixes piglit tests "EXT_framebuffer_multisample/negative-{copypixels,copyteximage}". Reviewed-by: Brian Paul Reviewed-by: Kenneth Graunke --- src/mesa/main/drawpix.c | 2 +- src/mesa/main/teximage.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c index def55dddde1..fdcbcccded2 100644 --- a/src/mesa/main/drawpix.c +++ b/src/mesa/main/drawpix.c @@ -240,7 +240,7 @@ _mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height, } if (ctx->ReadBuffer->Name != 0 && ctx->ReadBuffer->Visual.samples > 0) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION, + _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyPixels(multisample FBO)"); goto end; } diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c index 126386ebed6..64b25a82dec 100644 --- a/src/mesa/main/teximage.c +++ b/src/mesa/main/teximage.c @@ -2005,7 +2005,7 @@ copytexture_error_check( struct gl_context *ctx, GLuint dimensions, } if (ctx->ReadBuffer->Visual.samples > 0) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION, + _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexImage%dD(multisample FBO)", dimensions); return GL_TRUE; @@ -2130,7 +2130,7 @@ copytexsubimage_error_check1( struct gl_context *ctx, GLuint dimensions, } if (ctx->ReadBuffer->Visual.samples > 0) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION, + _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage%dD(multisample FBO)", dimensions); return GL_TRUE;