diff options
| author | Sylvain Munaut <tnt@246tNt.com> | 2015-01-19 00:52:42 +0100 |
|---|---|---|
| committer | Sylvain Munaut <tnt@246tNt.com> | 2015-01-19 14:16:25 +0100 |
| commit | 64cf8a305b6a89a790d6c687c28cc959eb18d3bf (patch) | |
| tree | c3de03764f39d58d3f277654944df68772336abe | |
| parent | 1169b7efece549879e5a4cfae2df24cb72949e4a (diff) | |
fosphor/gl: Use glTexSubImage2D for texture update
Much faster than glTexImage2D since it only updates the data
and doesn't delete/create a new storage space for the data.
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
| -rw-r--r-- | lib/fosphor/gl.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/fosphor/gl.c b/lib/fosphor/gl.c index ec53277..48acc40 100644 --- a/lib/fosphor/gl.c +++ b/lib/fosphor/gl.c @@ -90,10 +90,9 @@ gl_tex2d_write(GLuint tex_id, float *src, int width, int height) { glBindTexture(GL_TEXTURE_2D, tex_id); - glTexImage2D( - GL_TEXTURE_2D, - 0, GL_R32F, - width, height, 0, + glTexSubImage2D( + GL_TEXTURE_2D, 0, + 0, 0, width, height, GL_RED, GL_FLOAT, src ); |