diff options
| author | Ian Romanick <[email protected]> | 2013-12-13 14:12:09 -0800 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2014-02-02 16:49:09 +0100 |
| commit | eb65d4b84d4c514bfa9114a56a08513efabbe030 (patch) | |
| tree | 2f206f8bda8aed38fcf738abface4f22f1856c95 /src/mesa | |
| parent | abfa65ca811099332c8683dada9a2ee44cc01dc9 (diff) | |
meta: Use NDC in decompress_texture_image
There is no need to use pixel coordinates, and using NDC directly will
simplify the GLSL paths.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index 3479eb16d6f..1d870d2980f 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -4108,18 +4108,17 @@ decompress_texture_image(struct gl_context *ctx, verts[3].tex); /* setup vertex positions */ - verts[0].x = 0.0F; - verts[0].y = 0.0F; - verts[1].x = width; - verts[1].y = 0.0F; - verts[2].x = width; - verts[2].y = height; - verts[3].x = 0.0F; - verts[3].y = height; + verts[0].x = -1.0F; + verts[0].y = -1.0F; + verts[1].x = 1.0F; + verts[1].y = -1.0F; + verts[2].x = 1.0F; + verts[2].y = 1.0F; + verts[3].x = -1.0F; + verts[3].y = 1.0F; _mesa_MatrixMode(GL_PROJECTION); _mesa_LoadIdentity(); - _mesa_Ortho(0.0, width, 0.0, height, -1.0, 1.0); _mesa_set_viewport(ctx, 0, 0, 0, width, height); /* upload new vertex data */ |