zink: add some spirv_builder functions we'll be using for geometry shaders
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7139>
diff --git a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
index 3a522c4..cc361a0 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
@@ -146,6 +146,17 @@
}
void
+spirv_builder_emit_exec_mode_literal(struct spirv_builder *b, SpvId entry_point,
+ SpvExecutionMode exec_mode, uint32_t param)
+{
+ spirv_buffer_prepare(&b->exec_modes, b->mem_ctx, 4);
+ spirv_buffer_emit_word(&b->exec_modes, SpvOpExecutionMode | (4 << 16));
+ spirv_buffer_emit_word(&b->exec_modes, entry_point);
+ spirv_buffer_emit_word(&b->exec_modes, exec_mode);
+ spirv_buffer_emit_word(&b->exec_modes, param);
+}
+
+void
spirv_builder_emit_exec_mode(struct spirv_builder *b, SpvId entry_point,
SpvExecutionMode exec_mode)
{
@@ -213,6 +224,20 @@
}
void
+spirv_builder_emit_vertex(struct spirv_builder *b)
+{
+ spirv_buffer_prepare(&b->instructions, b->mem_ctx, 1);
+ spirv_buffer_emit_word(&b->instructions, SpvOpEmitVertex | (1 << 16));
+}
+
+void
+spirv_builder_end_primitive(struct spirv_builder *b)
+{
+ spirv_buffer_prepare(&b->instructions, b->mem_ctx, 1);
+ spirv_buffer_emit_word(&b->instructions, SpvOpEndPrimitive | (1 << 16));
+}
+
+void
spirv_builder_emit_descriptor_set(struct spirv_builder *b, SpvId target,
uint32_t descriptor_set)
{
diff --git a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
index 487d4f7..9912891 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
+++ b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
@@ -135,7 +135,9 @@
SpvExecutionModel exec_model, SpvId entry_point,
const char *name, const SpvId interfaces[],
size_t num_interfaces);
-
+void
+spirv_builder_emit_exec_mode_literal(struct spirv_builder *b, SpvId entry_point,
+ SpvExecutionMode exec_mode, uint32_t param);
void
spirv_builder_emit_exec_mode(struct spirv_builder *b, SpvId entry_point,
SpvExecutionMode exec_mode);
@@ -349,4 +351,8 @@
spirv_builder_get_words(struct spirv_builder *b, uint32_t *words,
size_t num_words);
+void
+spirv_builder_emit_vertex(struct spirv_builder *b);
+void
+spirv_builder_end_primitive(struct spirv_builder *b);
#endif
