diff options
| author | Eric Anholt <eric@anholt.net> | 2010-04-26 16:22:06 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-06-03 17:08:42 -0700 |
| commit | 462b8bc95efaa89b33c0edd0207efd8333bfb4b1 (patch) | |
| tree | 6947c41b7caaf4fbf41897ab4c93bfada0bfa4c3 | |
| parent | 3698065a7549c97870cf9cd70fbbcb2bc49ed78f (diff) | |
gstgldisplay: Consolidate sampling of textures with the same coordinates.
This further reduces the download_YUY2_UYVY shader from 42 to 38 Mesa
instructions. Runtime was not significantly impacted.
| -rw-r--r-- | gst-libs/gst/gl/gstgldisplay.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gst-libs/gst/gl/gstgldisplay.c b/gst-libs/gst/gl/gstgldisplay.c index ad0fba2..8d22b26 100644 --- a/gst-libs/gst/gl/gstgldisplay.c +++ b/gst-libs/gst/gl/gstgldisplay.c @@ -360,14 +360,14 @@ gst_gl_display_init (GstGLDisplay * display, GstGLDisplayClass * klass) #ifndef OPENGL_ES2 " fx = gl_TexCoord[0].x;\n" " fy = gl_TexCoord[0].y;\n" - " vec2 texcoords = vec2(fx * 2.0, fy);\n" - " vec2 texcoords2 = vec2(fx * 2.0 + 1.0, fy);\n" - " r=texture2DRect(tex, texcoords).r;\n" - " g=texture2DRect(tex, texcoords).g;\n" - " b=texture2DRect(tex, texcoords).b;\n" - " r2=texture2DRect(tex, texcoords2).r;\n" - " g2=texture2DRect(tex, texcoords2).g;\n" - " b2=texture2DRect(tex, texcoords2).b;\n" + " vec3 sample = texture2DRect(tex, vec2(fx * 2.0, fy)).rgb;\n" + " vec3 sample2 = texture2DRect(tex, vec2(fx * 2.0 + 1.0, fy)).rgb;\n" + " r=sample.r;\n" + " g=sample.g;\n" + " b=sample.b;\n" + " r2=sample2.r;\n" + " g2=sample2.g;\n" + " b2=sample2.b;\n" #else " fx = v_texCoord.x;\n" " fy = v_texCoord.y;\n" |