Module: Mesa Branch: master Commit: 2fdff50999825f5698f1f7f88565162f39227b2f URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2fdff50999825f5698f1f7f88565162f39227b2f
Author: Henri Verbeet <hverb...@gmail.com> Date: Thu Jul 22 11:10:11 2010 -0400 r600: Flip point sprite coordinates when rendering to an FBO. This supersedes http://lists.freedesktop.org/archives/mesa-dev/2010-July/001442.html. --- 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 bf17a97..f9d84b6 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); _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit
