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mesa: add missing error check for linear blit of integer colors

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Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Brian Paul
2012-01-09 08:11:33 -07:00
parent edca96547a
commit 84c38c739e
1 changed files with 13 additions and 0 deletions
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13
src/mesa/main/fbobject.c
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@@ -2742,6 +2742,19 @@ _mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
}
}
if (filter == GL_LINEAR && (mask & GL_COLOR_BUFFER_BIT)) {
/* 3.1 spec, page 199:
* "Calling BlitFramebuffer will result in an INVALID_OPERATION error
* if filter is LINEAR and read buffer contains integer data."
*/
GLenum type = _mesa_get_format_datatype(colorReadRb->Format);
if (type == GL_INT || type == GL_UNSIGNED_INT) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glBlitFramebufferEXT(integer color type)");
return;
}
}
if (!ctx->Extensions.EXT_framebuffer_blit) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBlitFramebufferEXT");
return;