diff options
| author | Henri Verbeet <hverbeet@gmail.com> | 2010-07-22 11:10:11 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2010-07-22 11:10:11 -0400 |
| commit | 2fdff50999825f5698f1f7f88565162f39227b2f (patch) | |
| tree | cda497e55c3007b0cf048bfb3ff8906b88b8a0a1 /src | |
| parent | c686ee0fa7e2298408259f5533b739c7d05c78b8 (diff) | |
r600: Flip point sprite coordinates when rendering to an FBO.
This supersedes http://lists.freedesktop.org/archives/mesa-dev/2010-July/001442.html.
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_fragprog.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c index bf17a977ce..f9d84b6ed6 100644 --- a/src/mesa/drivers/dri/r600/r700_fragprog.c +++ b/src/mesa/drivers/dri/r600/r700_fragprog.c @@ -587,7 +587,9 @@ GLboolean r700SetupFragmentProgram(GLcontext * ctx) SETfield(r700->SPI_INTERP_CONTROL_0.u32All, SPI_PNT_SPRITE_SEL_T, PNT_SPRITE_OVRD_Y_shift, PNT_SPRITE_OVRD_Y_mask); SETfield(r700->SPI_INTERP_CONTROL_0.u32All, SPI_PNT_SPRITE_SEL_0, PNT_SPRITE_OVRD_Z_shift, PNT_SPRITE_OVRD_Z_mask); SETfield(r700->SPI_INTERP_CONTROL_0.u32All, SPI_PNT_SPRITE_SEL_1, PNT_SPRITE_OVRD_W_shift, PNT_SPRITE_OVRD_W_mask); - if(ctx->Point.SpriteOrigin == GL_LOWER_LEFT) + /* Like e.g. viewport and winding, point sprite coordinates are + * inverted when rendering to FBO. */ + if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) == !ctx->DrawBuffer->Name) SETbit(r700->SPI_INTERP_CONTROL_0.u32All, PNT_SPRITE_TOP_1_bit); else CLEARbit(r700->SPI_INTERP_CONTROL_0.u32All, PNT_SPRITE_TOP_1_bit); |