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authorEric Anholt <eric@anholt.net>2009-02-09 14:55:31 +0100
committerIan Romanick <ian.d.romanick@intel.com>2009-03-13 17:38:38 -0700
commit4d0a7b33c592bd68cd8563c3b58e007c413d926a (patch)
treea41acf8f1142c4caae8d6bb390723ff4dc26d3ad
parentfb1d2ed34c4043bfb24f682bc119e469abe82841 (diff)
intel: Speed up glDrawPixels(GL_ALPHA) by using an alpha texture format. (cherry picked from commit 0b63f6449e095fa3b5ef510e1c1eadc2e0e0ea36)
-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_draw.c11
1 files 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 0c9cf08ab9..7be7ea82b3 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);