diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_setup.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_setup.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c index 3da75364c5d..bb1bff581cf 100644 --- a/src/gallium/drivers/softpipe/sp_setup.c +++ b/src/gallium/drivers/softpipe/sp_setup.c @@ -38,10 +38,8 @@ #include "sp_setup.h" #include "sp_state.h" #include "draw/draw_context.h" -#include "draw/draw_private.h" #include "draw/draw_vertex.h" #include "pipe/p_shader_tokens.h" -#include "pipe/p_thread.h" #include "util/u_math.h" #include "util/u_memory.h" @@ -506,21 +504,24 @@ static void tri_persp_coeff( struct setup_context *setup, /** * Special coefficient setup for gl_FragCoord. - * X and Y are trivial, though Y has to be inverted for OpenGL. + * X and Y are trivial, though Y may have to be inverted for OpenGL. * Z and W are copied from posCoef which should have already been computed. * We could do a bit less work if we'd examine gl_FragCoord's swizzle mask. */ static void setup_fragcoord_coeff(struct setup_context *setup, uint slot) { + struct sp_fragment_shader* spfs = setup->softpipe->fs; /*X*/ - setup->coef[slot].a0[0] = 0; + setup->coef[slot].a0[0] = spfs->pixel_center_integer ? 0.0 : 0.5; setup->coef[slot].dadx[0] = 1.0; setup->coef[slot].dady[0] = 0.0; /*Y*/ - setup->coef[slot].a0[1] = 0.0; + setup->coef[slot].a0[1] = + (spfs->origin_lower_left ? setup->softpipe->framebuffer.height : 0) + + (spfs->pixel_center_integer ? 0.0 : 0.5); setup->coef[slot].dadx[1] = 0.0; - setup->coef[slot].dady[1] = 1.0; + setup->coef[slot].dady[1] = spfs->origin_lower_left ? -1.0 : 1.0; /*Z*/ setup->coef[slot].a0[2] = setup->posCoef.a0[2]; setup->coef[slot].dadx[2] = setup->posCoef.dadx[2]; |