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radeonsi: set correct PA_SC_VPORT_ZMIN/ZMAX when viewport is disabled

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Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák
2017-10-06 00:19:22 +02:00
parent 13b6c1c031
commit 76ef08f6ee
1 changed files with 19 additions and 2 deletions
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src/gallium/drivers/radeonsi/si_state_viewport.c
+19 -2
View File
@@ -335,12 +335,25 @@ static void si_emit_viewports(struct si_context *ctx)
ctx->viewports.dirty_mask = 0;
}
static inline void
si_viewport_zmin_zmax(const struct pipe_viewport_state *vp, bool halfz,
bool window_space_position, float *zmin, float *zmax)
{
if (window_space_position) {
*zmin = 0;
*zmax = 1;
return;
}
util_viewport_zmin_zmax(vp, halfz, zmin, zmax);
}
static void si_emit_depth_ranges(struct si_context *ctx)
{
struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
struct pipe_viewport_state *states = ctx->viewports.states;
unsigned mask = ctx->viewports.depth_range_dirty_mask;
bool clip_halfz = false;
bool window_space = ctx->vs_disables_clipping_viewport;
float zmin, zmax;
if (ctx->queued.named.rasterizer)
@@ -351,7 +364,8 @@ static void si_emit_depth_ranges(struct si_context *ctx)
if (!(mask & 1))
return;
util_viewport_zmin_zmax(&states[0], clip_halfz, &zmin, &zmax);
si_viewport_zmin_zmax(&states[0], clip_halfz, window_space,
&zmin, &zmax);
radeon_set_context_reg_seq(cs, R_0282D0_PA_SC_VPORT_ZMIN_0, 2);
radeon_emit(cs, fui(zmin));
@@ -368,7 +382,8 @@ static void si_emit_depth_ranges(struct si_context *ctx)
radeon_set_context_reg_seq(cs, R_0282D0_PA_SC_VPORT_ZMIN_0 +
start * 4 * 2, count * 2);
for (i = start; i < start+count; i++) {
util_viewport_zmin_zmax(&states[i], clip_halfz, &zmin, &zmax);
si_viewport_zmin_zmax(&states[i], clip_halfz, window_space,
&zmin, &zmax);
radeon_emit(cs, fui(zmin));
radeon_emit(cs, fui(zmax));
}
@@ -409,7 +424,9 @@ void si_update_vs_viewport_state(struct si_context *ctx)
if (ctx->vs_disables_clipping_viewport != vs_window_space) {
ctx->vs_disables_clipping_viewport = vs_window_space;
ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
ctx->viewports.depth_range_dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
si_mark_atom_dirty(ctx, &ctx->scissors.atom);
si_mark_atom_dirty(ctx, &ctx->viewports.atom);
}
/* Viewport index handling. */