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zink: pull xfb info from tess shader when applicable

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if it's the last vertex stage then it does the xfb

Reviewed-by: Erik Faye-Lund <kusmabite@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8152>
This commit is contained in:
Mike Blumenkrantz
2020-12-17 21:26:34 -05:00
committed by Marge Bot
parent 612d8f81c3
commit 2891e0b74e
3 changed files with 11 additions and 1 deletions
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10
src/gallium/drivers/zink/zink_compiler.c
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@@ -331,8 +331,16 @@ zink_shader_compile(struct zink_screen *screen, struct zink_shader *zs, struct z
void *streamout = NULL;
nir_shader *nir = zs->nir;
/* TODO: use a separate mem ctx here for ralloc */
if (zs->streamout.so_info_slots && (zs->nir->info.stage != MESA_SHADER_VERTEX || !zs->has_geometry_shader))
if (zs->has_geometry_shader) {
if (zs->nir->info.stage == MESA_SHADER_GEOMETRY)
streamout = &zs->streamout;
} else if (zs->has_tess_shader) {
if (zs->nir->info.stage == MESA_SHADER_TESS_EVAL)
streamout = &zs->streamout;
} else
streamout = &zs->streamout;
if (!zs->streamout.so_info_slots)
streamout = NULL;
if (zs->nir->info.stage == MESA_SHADER_FRAGMENT) {
nir = nir_shader_clone(NULL, nir);
if (!zink_fs_key(key)->samples &&

1
src/gallium/drivers/zink/zink_compiler.h
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@@ -72,6 +72,7 @@ struct zink_shader {
size_t num_bindings;
struct set *programs;
bool has_tess_shader; // vertex shaders need to know if a tesseval shader exists
bool has_geometry_shader; // vertex shaders need to know if a geometry shader exists
};

1
src/gallium/drivers/zink/zink_program.c
View File

@@ -304,6 +304,7 @@ update_shader_modules(struct zink_context *ctx, struct zink_shader *stages[ZINK_
if (dirty[i]) {
struct zink_shader_module *zm;
dirty[i]->has_geometry_shader = dirty[MESA_SHADER_GEOMETRY] || stages[PIPE_SHADER_GEOMETRY];
dirty[i]->has_tess_shader = dirty[MESA_SHADER_TESS_EVAL] || stages[PIPE_SHADER_TESS_EVAL];
zm = get_shader_module_for_stage(ctx, dirty[i], prog);
zink_shader_module_reference(zink_screen(ctx->base.screen), &prog->modules[type], zm);
/* we probably need a new pipeline when we switch shader modules */