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nv2a: Fix window-clip region off-by-one error

This commit is contained in:
Jannik Vogel 2018-11-06 11:26:43 +01:00 committed by mborgerson
parent e3d0803843
commit 910dadc5ab
1 changed files with 7 additions and 7 deletions
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14
hw/xbox/nv2a/nv2a_pgraph.c
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@ -3143,24 +3143,24 @@ static void pgraph_bind_shaders(PGRAPHState *pg)
}
uint32_t x = pg->regs[NV_PGRAPH_WINDOWCLIPX0 + i * 4];
GLuint x_min = GET_MASK(x, NV_PGRAPH_WINDOWCLIPX0_XMIN);
GLuint x_max = GET_MASK(x, NV_PGRAPH_WINDOWCLIPX0_XMAX);
unsigned int x_min = GET_MASK(x, NV_PGRAPH_WINDOWCLIPX0_XMIN);
unsigned int x_max = GET_MASK(x, NV_PGRAPH_WINDOWCLIPX0_XMAX);
/* Adjust y-coordinates for the OpenGL viewport: translate coordinates
* to have the origin at the bottom-left of the surface (as opposed to
* top-left), and flip y-min and y-max accordingly.
*/
uint32_t y = pg->regs[NV_PGRAPH_WINDOWCLIPY0 + i * 4];
GLuint y_min = (pg->surface_shape.clip_height - 1) -
GET_MASK(y, NV_PGRAPH_WINDOWCLIPY0_YMAX);
GLuint y_max = (pg->surface_shape.clip_height - 1) -
GET_MASK(y, NV_PGRAPH_WINDOWCLIPY0_YMIN);
unsigned int y_min = (pg->surface_shape.clip_height - 1) -
GET_MASK(y, NV_PGRAPH_WINDOWCLIPY0_YMAX);
unsigned int y_max = (pg->surface_shape.clip_height - 1) -
GET_MASK(y, NV_PGRAPH_WINDOWCLIPY0_YMIN);
pgraph_apply_anti_aliasing_factor(pg, &x_min, &y_min);
pgraph_apply_anti_aliasing_factor(pg, &x_max, &y_max);
glUniform4i(pg->shader_binding->clip_region_loc[i],
x_min, y_min, x_max, y_max);
x_min, y_min, x_max + 1, y_max + 1);
}
pgraph_shader_update_constants(pg, pg->shader_binding, binding_changed,