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r600: add support for early depth/stencil.

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This add support for the early depth/stencil property found
on image shaders.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2016-03-31 16:17:35 +10:00
parent f3c6149c26
commit de126b0402
1 changed files with 3 additions and 0 deletions
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src/gallium/drivers/r600/evergreen_state.c
+3
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@@ -3159,6 +3159,9 @@ void evergreen_update_ps_state(struct pipe_context *ctx, struct r600_pipe_shader
db_shader_control |= S_02880C_STENCIL_EXPORT_ENABLE(stencil_export);
db_shader_control |= S_02880C_MASK_EXPORT_ENABLE(mask_export);
if (shader->selector->info.properties[TGSI_PROPERTY_FS_EARLY_DEPTH_STENCIL])
db_shader_control |= S_02880C_DEPTH_BEFORE_SHADER(1);
switch (rshader->ps_conservative_z) {
default: /* fall through */
case TGSI_FS_DEPTH_LAYOUT_ANY: