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panfrost: Wire up GLES2-class polygon offset

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Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-11 07:02:26 -07:00
parent 7a36c72f5d
commit 8305766e0e
1 changed files with 11 additions and 0 deletions
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11
src/gallium/drivers/panfrost/pan_context.c
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@ -1805,6 +1805,17 @@ panfrost_bind_rasterizer_state(
ctx->rasterizer = hwcso;
ctx->dirty |= PAN_DIRTY_RASTERIZER;
ctx->fragment_shader_core.depth_units = ctx->rasterizer->base.offset_units;
ctx->fragment_shader_core.depth_factor = ctx->rasterizer->base.offset_scale;
/* Gauranteed with the core GL call, so don't expose ARB_polygon_offset */
assert(ctx->rasterizer->base.offset_clamp == 0.0);
/* XXX: Which bit is which? Does this maybe allow offseting not-tri? */
SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_DEPTH_RANGE_A, ctx->rasterizer->base.offset_tri);
SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_DEPTH_RANGE_B, ctx->rasterizer->base.offset_tri);
/* Point sprites are emulated */
struct panfrost_shader_state *variant =