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| author | Kenneth Graunke <kenneth@whitecape.org> | 2016-05-18 11:06:08 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2016-05-20 14:44:22 -0700 |
| commit | de45da6a8c3091de400adc468682779abc989109 (patch) | |
| tree | 22faf0247bcbe75e5d56282d682ef3b06cc04653 /src/compiler/spirv | |
| parent | 9b8b3f75018ac3d7ab9aa09df012b6d19aa6fae2 (diff) | |
| download | external_mesa3d-de45da6a8c3091de400adc468682779abc989109.zip external_mesa3d-de45da6a8c3091de400adc468682779abc989109.tar.gz external_mesa3d-de45da6a8c3091de400adc468682779abc989109.tar.bz2 | |
spirv: Handle the PixelCenterInteger execution mode.
This isn't allowed by Vulkan, but might be useful someday for
SPIR-V in OpenGL (if that ever becomes a thing). It's easy enough
to hook up, and as precedent, we already do so for OriginLowerLeft.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Diffstat (limited to 'src/compiler/spirv')
| -rw-r--r-- | src/compiler/spirv/spirv_to_nir.c | 3 | ||||
| -rw-r--r-- | src/compiler/spirv/vtn_private.h | 1 | ||||
| -rw-r--r-- | src/compiler/spirv/vtn_variables.c | 3 |
3 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c index e60bb54..359fa5c 100644 --- a/src/compiler/spirv/spirv_to_nir.c +++ b/src/compiler/spirv/spirv_to_nir.c @@ -2330,6 +2330,9 @@ vtn_handle_execution_mode(struct vtn_builder *b, struct vtn_value *entry_point, break; case SpvExecutionModePixelCenterInteger: + b->pixel_center_integer = true; + break; + case SpvExecutionModeXfb: assert(!"Unhandled execution mode"); break; diff --git a/src/compiler/spirv/vtn_private.h b/src/compiler/spirv/vtn_private.h index 3840d8c..3ecffad 100644 --- a/src/compiler/spirv/vtn_private.h +++ b/src/compiler/spirv/vtn_private.h @@ -378,6 +378,7 @@ struct vtn_builder { const char *entry_point_name; struct vtn_value *entry_point; bool origin_upper_left; + bool pixel_center_integer; struct vtn_function *func; struct exec_list functions; diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c index bbe1166..0c7f0f7 100644 --- a/src/compiler/spirv/vtn_variables.c +++ b/src/compiler/spirv/vtn_variables.c @@ -1016,6 +1016,9 @@ var_decoration_cb(struct vtn_builder *b, struct vtn_value *val, int member, if (builtin == SpvBuiltInFragCoord || builtin == SpvBuiltInSamplePosition) nir_var->data.origin_upper_left = b->origin_upper_left; + + if (builtin == SpvBuiltInFragCoord) + nir_var->data.pixel_center_integer = b->pixel_center_integer; break; } case SpvDecorationRowMajor: |