diff options
Diffstat (limited to 'src/gallium/drivers/ilo/ilo_resource.h')
| -rw-r--r-- | src/gallium/drivers/ilo/ilo_resource.h | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/gallium/drivers/ilo/ilo_resource.h b/src/gallium/drivers/ilo/ilo_resource.h index 125535a2771..fb4fde77d08 100644 --- a/src/gallium/drivers/ilo/ilo_resource.h +++ b/src/gallium/drivers/ilo/ilo_resource.h @@ -31,6 +31,7 @@ #include "intel_winsys.h" #include "ilo_common.h" +#include "ilo_screen.h" enum ilo_texture_flags { ILO_TEXTURE_RENDER_WRITE = 1 << 0, @@ -40,10 +41,9 @@ enum ilo_texture_flags { ILO_TEXTURE_BLT_READ = 1 << 4, ILO_TEXTURE_CPU_READ = 1 << 5, ILO_TEXTURE_CLEAR = 1 << 6, + ILO_TEXTURE_HIZ = 1 << 7, }; -struct ilo_screen; - struct ilo_buffer { struct pipe_resource base; @@ -161,7 +161,25 @@ static inline bool ilo_texture_can_enable_hiz(const struct ilo_texture *tex, unsigned level, unsigned first_slice, unsigned num_slices) { - return (tex->hiz.bo != NULL); + const struct ilo_screen *is = ilo_screen(tex->base.screen); + const struct ilo_texture_slice *slice = + ilo_texture_get_slice(tex, level, first_slice); + + if (!tex->hiz.bo) + return false; + + /* we can adjust 3DSTATE_DEPTH_BUFFER for the first slice */ + if (level == 0 && first_slice == 0 && num_slices == 1) + return true; + + /* HiZ is non-mipmapped and non-array on GEN6 */ + assert(is->dev.gen > ILO_GEN(6)); + + /* + * Either all or none of the slices in the same level have ILO_TEXTURE_HIZ + * set. It suffices to check only the first slice. + */ + return (slice->flags & ILO_TEXTURE_HIZ); } #endif /* ILO_RESOURCE_H */ |