From de2afd8688ceb45013d15be7c6e0995199b80e5a Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sun, 8 Mar 2009 13:49:57 -0600 Subject: swrast: do texture sampling/combining in floating point The code's cleaner and a step toward supporting float-valued texture sampling. Some optimizations for common cases can be added and re-enabled... --- src/mesa/swrast/s_atifragshader.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) (limited to 'src/mesa/swrast/s_atifragshader.c') diff --git a/src/mesa/swrast/s_atifragshader.c b/src/mesa/swrast/s_atifragshader.c index 458fe18163..5fefae6c42 100644 --- a/src/mesa/swrast/s_atifragshader.c +++ b/src/mesa/swrast/s_atifragshader.c @@ -47,17 +47,12 @@ static void fetch_texel(GLcontext * ctx, const GLfloat texcoord[4], GLfloat lambda, GLuint unit, GLfloat color[4]) { - GLchan rgba[4]; SWcontext *swrast = SWRAST_CONTEXT(ctx); /* XXX use a float-valued TextureSample routine here!!! */ swrast->TextureSample[unit](ctx, ctx->Texture.Unit[unit]._Current, 1, (const GLfloat(*)[4]) texcoord, - &lambda, &rgba); - color[0] = CHAN_TO_FLOAT(rgba[0]); - color[1] = CHAN_TO_FLOAT(rgba[1]); - color[2] = CHAN_TO_FLOAT(rgba[2]); - color[3] = CHAN_TO_FLOAT(rgba[3]); + &lambda, (GLfloat (*)[4]) color); } static void -- cgit v1.2.3