From 35a0634e358baac832d6e5a76630fcae57a948a7 Mon Sep 17 00:00:00 2001 From: Zou Nan hai Date: Thu, 27 Sep 2007 15:47:00 +0800 Subject: fix issue when only fragment shader or vertex shader is used --- src/mesa/drivers/dri/i965/brw_context.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'src/mesa/drivers/dri/i965') diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c index 8366f14dbe..2031d556c1 100644 --- a/src/mesa/drivers/dri/i965/brw_context.c +++ b/src/mesa/drivers/dri/i965/brw_context.c @@ -69,11 +69,18 @@ static void brwUseProgram(GLcontext *ctx, GLuint program) _mesa_use_program(ctx, program); sh_prog = ctx->Shader.CurrentProgram; if (sh_prog) { - ctx->VertexProgram.Enabled = GL_TRUE; - ctx->FragmentProgram.Enabled = GL_TRUE; - brw->attribs.VertexProgram->Current = sh_prog->VertexProgram; - brw->attribs.FragmentProgram->Current = sh_prog->FragmentProgram; - } + if (sh_prog->VertexProgram) { + brw->attribs.VertexProgram->Current = sh_prog->VertexProgram; + ctx->VertexProgram.Enabled = GL_TRUE; + }else + ctx->VertexProgram.Enabled = GL_FALSE; + + if (sh_prog->FragmentProgram) { + brw->attribs.FragmentProgram->Current = sh_prog->FragmentProgram; + ctx->FragmentProgram.Enabled = GL_TRUE; + } else + ctx->VertexProgram.Enabled = GL_FALSE; + } } static void brwInitProgFuncs( struct dd_function_table *functions ) -- cgit v1.2.3