From 0b63f6449e095fa3b5ef510e1c1eadc2e0e0ea36 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Mon, 9 Feb 2009 14:55:31 +0100 Subject: [PATCH] intel: Speed up glDrawPixels(GL_ALPHA) by using an alpha texture format. --- src/mesa/drivers/dri/intel/intel_pixel_draw.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c index 0c9cf08ab9c..7be7ea82b35 100644 --- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c +++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c @@ -73,6 +73,7 @@ intel_texture_drawpixels(GLcontext * ctx, GLfloat texcoords[4][2]; GLfloat z; GLint old_active_texture; + GLenum internalFormat; /* We're going to mess with texturing with no regard to existing texture * state, so if there is some set up we have to bail. @@ -134,11 +135,11 @@ intel_texture_drawpixels(GLcontext * ctx, _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); _mesa_TexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); - /* - _mesa_TexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE); - _mesa_TexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE); - */ - _mesa_TexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, format, + if (type == GL_ALPHA) + internalFormat = GL_ALPHA; + else + internalFormat = GL_RGBA; + _mesa_TexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format, type, pixels); intel_meta_set_passthrough_transform(intel); -- 2.30.2