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zink: force per-sample interpolation

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this gives us new rasterizer states when multisample stuff changes instead
of new fs states, which is what we want since these correlate to pipeline
flags, not shader-specific things

Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8631>
This commit is contained in:
Mike Blumenkrantz 2020-08-07 11:28:37 -04:00 • committed by Marge Bot
parent e2500c02cc
commit 0ab9114abd
4 changed files with 7 additions and 0 deletions
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4
src/gallium/drivers/zink/zink_pipeline.c
View file

@ -85,6 +85,10 @@ zink_create_gfx_pipeline(struct zink_screen *screen,
ms_state.alphaToCoverageEnable = state->blend_state->alpha_to_coverage;
ms_state.alphaToOneEnable = state->blend_state->alpha_to_one;
ms_state.pSampleMask = state->sample_mask ? &state->sample_mask : NULL;
if (state->rast_state->force_persample_interp) {
ms_state.sampleShadingEnable = VK_TRUE;
ms_state.minSampleShading = 1.0;
}
VkPipelineViewportStateCreateInfo viewport_state = {};
viewport_state.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;

1
src/gallium/drivers/zink/zink_screen.c
View file

@ -106,6 +106,7 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_GLSL_TESS_LEVELS_AS_INPUTS:
case PIPE_CAP_CLEAR_TEXTURE:
case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 1;
case PIPE_CAP_MULTI_DRAW_INDIRECT:

1
src/gallium/drivers/zink/zink_state.c
View file

@ -434,6 +434,7 @@ zink_create_rasterizer_state(struct pipe_context *pctx,
assert(rs_state->depth_clip_far == rs_state->depth_clip_near);
state->hw_state.depth_clamp = rs_state->depth_clip_near == 0;
state->hw_state.rasterizer_discard = rs_state->rasterizer_discard;
state->hw_state.force_persample_interp = rs_state->force_persample_interp;
assert(rs_state->fill_front <= PIPE_POLYGON_MODE_POINT);
if (rs_state->fill_back != rs_state->fill_front)

1
src/gallium/drivers/zink/zink_state.h
View file

@ -49,6 +49,7 @@ struct zink_rasterizer_hw_state {
VkFrontFace front_face;
VkPolygonMode polygon_mode;
VkCullModeFlags cull_mode;
bool force_persample_interp;
};
struct zink_rasterizer_state {