fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2025-12-25 06:30:10 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

meta: Use NDC in decompress_texture_image

Browse source 
There is no need to use pixel coordinates, and using NDC directly will
simplify the GLSL paths.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Ian Romanick 2013-12-13 14:12:09 -08:00
parent abfa65ca81
commit eb65d4b84d
1 changed files with 8 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
src/mesa/drivers/common/meta.c
View file

@ -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 */