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st/mesa: fix incorrect sprite origin when drawing to FBO/texture

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Need to take the draw buffer's up/down orientation into consideration
when setting the sprite_coord_mode field.

Fixes inverted sprites when drawing into an FBO.
This commit is contained in:
Brian Paul 2009-06-01 14:59:11 -06:00
parent 427554211b
commit 0e8a5a8474
1 changed files with 2 additions and 1 deletions
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3
src/mesa/state_tracker/st_atom_rasterizer.c
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@ -192,7 +192,8 @@ static void update_raster_state( struct st_context *st )
raster->point_sprite = ctx->Point.PointSprite;
for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
if (ctx->Point.CoordReplace[i]) {
if (ctx->Point.SpriteOrigin == GL_UPPER_LEFT)
if ((ctx->Point.SpriteOrigin == GL_UPPER_LEFT) ^
(st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM))
raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_UPPER_LEFT;
else
raster->sprite_coord_mode[i] = PIPE_SPRITE_COORD_LOWER_LEFT;