From 234f03e90ab718f5b16300a91bac477ccbabf36c Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 11 Feb 2009 09:05:08 -0700 Subject: glsl: raise GL_INVALID_OPERATION for glUniform(location < -1) location = -1 is silently ignored, but other negative values should raise an error. Another fix for bug 20056. --- src/mesa/shader/shader_api.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/mesa/shader/shader_api.c') diff --git a/src/mesa/shader/shader_api.c b/src/mesa/shader/shader_api.c index 290717ff55..e738cde791 100644 --- a/src/mesa/shader/shader_api.c +++ b/src/mesa/shader/shader_api.c @@ -1700,6 +1700,11 @@ _mesa_uniform(GLcontext *ctx, GLint location, GLsizei count, if (location == -1) return; /* The standard specifies this as a no-op */ + if (location < -1) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glUniform(location)"); + return; + } + split_location_offset(&location, &offset); if (location < 0 || location >= (GLint) shProg->Uniforms->NumUniforms) { @@ -1874,6 +1879,11 @@ _mesa_uniform_matrix(GLcontext *ctx, GLint cols, GLint rows, if (location == -1) return; /* The standard specifies this as a no-op */ + if (location < -1) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glUniformMatrix(location)"); + return; + } + split_location_offset(&location, &offset); if (location < 0 || location >= (GLint) shProg->Uniforms->NumUniforms) { -- cgit v1.2.3