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radeonsi: precompute NGG cull flags in si_create_rs_state

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Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8794>
This commit is contained in:
Marek Olšák 2021-01-14 07:43:19 -05:00
parent 47587758f2
commit 85d300ecd1
3 changed files with 28 additions and 17 deletions
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24
src/gallium/drivers/radeonsi/si_state.c
View file

@ -881,6 +881,30 @@ static void *si_create_rs_state(struct pipe_context *ctx, const struct pipe_rast
S_028810_DX_RASTERIZATION_KILL(state->rasterizer_discard) |
S_028810_DX_LINEAR_ATTR_CLIP_ENA(1);
if (rs->rasterizer_discard) {
rs->ngg_cull_flags = SI_NGG_CULL_FRONT_FACE | SI_NGG_CULL_BACK_FACE;
rs->ngg_cull_flags_y_inverted = rs->ngg_cull_flags;
} else {
/* Polygon mode can't use view and small primitive culling,
* because it draws points or lines where the culling depends
* on the point or line width.
*/
if (!rs->polygon_mode_enabled) {
rs->ngg_cull_flags |= SI_NGG_CULL_VIEW_SMALLPRIMS;
rs->ngg_cull_flags_y_inverted |= SI_NGG_CULL_VIEW_SMALLPRIMS;
}
if (rs->cull_front) {
rs->ngg_cull_flags |= SI_NGG_CULL_FRONT_FACE;
rs->ngg_cull_flags_y_inverted |= SI_NGG_CULL_BACK_FACE;
}
if (rs->cull_back) {
rs->ngg_cull_flags |= SI_NGG_CULL_BACK_FACE;
rs->ngg_cull_flags_y_inverted |= SI_NGG_CULL_FRONT_FACE;
}
}
si_pm4_set_reg(
pm4, R_0286D4_SPI_INTERP_CONTROL_0,
S_0286D4_FLAT_SHADE_ENA(1) | S_0286D4_PNT_SPRITE_ENA(state->point_quad_rasterization) |

2
src/gallium/drivers/radeonsi/si_state.h
View file

@ -75,6 +75,8 @@ struct si_state_rasterizer {
unsigned pa_cl_clip_cntl;
float line_width;
float max_point_size;
unsigned ngg_cull_flags : 8;
unsigned ngg_cull_flags_y_inverted : 8;
unsigned sprite_coord_enable : 8;
unsigned clip_plane_enable : 8;
unsigned half_pixel_center : 1;

19
src/gallium/drivers/radeonsi/si_state_draw.cpp
View file

@ -1985,23 +1985,8 @@ static void si_draw_vbo(struct pipe_context *ctx,
total_direct_count > hw_vs->ngg_cull_nonindexed_fast_launch_vert_threshold &&
prim & ((1 << PIPE_PRIM_TRIANGLES) |
(1 << PIPE_PRIM_TRIANGLE_STRIP))))) {
uint8_t ngg_culling = 0;
if (rs->rasterizer_discard) {
ngg_culling |= SI_NGG_CULL_FRONT_FACE | SI_NGG_CULL_BACK_FACE;
} else {
/* Polygon mode can't use view and small primitive culling,
* because it draws points or lines where the culling depends
* on the point or line width.
*/
if (!rs->polygon_mode_enabled)
ngg_culling |= SI_NGG_CULL_VIEW_SMALLPRIMS;
if (sctx->viewport0_y_inverted ? rs->cull_back : rs->cull_front)
ngg_culling |= SI_NGG_CULL_FRONT_FACE;
if (sctx->viewport0_y_inverted ? rs->cull_front : rs->cull_back)
ngg_culling |= SI_NGG_CULL_BACK_FACE;
}
uint8_t ngg_culling = sctx->viewport0_y_inverted ? rs->ngg_cull_flags_y_inverted :
rs->ngg_cull_flags;
/* Use NGG fast launch for certain primitive types.
* A draw must have at least 1 full primitive.