[Mesa-dev] [PATCH 21/53] r600: add create/bind/delete shader hooks for tessellation

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

This hooks up the gallium API for the tessellation shaders.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 src/gallium/drivers/r600/r600_state_common.c | 59 ++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/src/gallium/drivers/r600/r600_state_common.c b/src/gallium/drivers/r600/r600_state_common.c
index f245cf3..48ecd7d 100644
--- a/src/gallium/drivers/r600/r600_state_common.c
+++ b/src/gallium/drivers/r600/r600_state_common.c
@@ -893,6 +893,18 @@ static void *r600_create_gs_state(struct pipe_context *ctx,
 	return r600_create_shader_state(ctx, state, PIPE_SHADER_GEOMETRY);
 }
 
+static void *r600_create_tcs_state(struct pipe_context *ctx,
+					 const struct pipe_shader_state *state)
+{
+	return r600_create_shader_state(ctx, state, PIPE_SHADER_TESS_CTRL);
+}
+
+static void *r600_create_tes_state(struct pipe_context *ctx,
+					 const struct pipe_shader_state *state)
+{
+	return r600_create_shader_state(ctx, state, PIPE_SHADER_TESS_EVAL);
+}
+
 static void r600_bind_ps_state(struct pipe_context *ctx, void *state)
 {
 	struct r600_context *rctx = (struct r600_context *)ctx;
@@ -925,6 +937,24 @@ static void r600_bind_gs_state(struct pipe_context *ctx, void *state)
 	rctx->b.streamout.stride_in_dw = rctx->gs_shader->so.stride;
 }
 
+static void r600_bind_tcs_state(struct pipe_context *ctx, void *state)
+{
+	struct r600_context *rctx = (struct r600_context *)ctx;
+
+	rctx->tcs_shader = (struct r600_pipe_shader_selector *)state;
+}
+
+static void r600_bind_tes_state(struct pipe_context *ctx, void *state)
+{
+	struct r600_context *rctx = (struct r600_context *)ctx;
+
+	rctx->tes_shader = (struct r600_pipe_shader_selector *)state;
+
+	if (!state)
+		return;
+	rctx->b.streamout.stride_in_dw = rctx->tes_shader->so.stride;
+}
+
 static void r600_delete_shader_selector(struct pipe_context *ctx,
 		struct r600_pipe_shader_selector *sel)
 {
@@ -978,6 +1008,29 @@ static void r600_delete_gs_state(struct pipe_context *ctx, void *state)
 	r600_delete_shader_selector(ctx, sel);
 }
 
+static void r600_delete_tcs_state(struct pipe_context *ctx, void *state)
+{
+	struct r600_context *rctx = (struct r600_context *)ctx;
+	struct r600_pipe_shader_selector *sel = (struct r600_pipe_shader_selector *)state;
+
+	if (rctx->tcs_shader == sel) {
+		rctx->tcs_shader = NULL;
+	}
+
+	r600_delete_shader_selector(ctx, sel);
+}
+
+static void r600_delete_tes_state(struct pipe_context *ctx, void *state)
+{
+	struct r600_context *rctx = (struct r600_context *)ctx;
+	struct r600_pipe_shader_selector *sel = (struct r600_pipe_shader_selector *)state;
+
+	if (rctx->tes_shader == sel) {
+		rctx->tes_shader = NULL;
+	}
+
+	r600_delete_shader_selector(ctx, sel);
+}
 
 void r600_constant_buffers_dirty(struct r600_context *rctx, struct r600_constbuf_state *state)
 {
@@ -2656,6 +2709,8 @@ void r600_init_common_state_functions(struct r600_context *rctx)
 	rctx->b.b.create_fs_state = r600_create_ps_state;
 	rctx->b.b.create_vs_state = r600_create_vs_state;
 	rctx->b.b.create_gs_state = r600_create_gs_state;
+	rctx->b.b.create_tcs_state = r600_create_tcs_state;
+	rctx->b.b.create_tes_state = r600_create_tes_state;
 	rctx->b.b.create_vertex_elements_state = r600_create_vertex_fetch_shader;
 	rctx->b.b.bind_blend_state = r600_bind_blend_state;
 	rctx->b.b.bind_depth_stencil_alpha_state = r600_bind_dsa_state;
@@ -2665,6 +2720,8 @@ void r600_init_common_state_functions(struct r600_context *rctx)
 	rctx->b.b.bind_vertex_elements_state = r600_bind_vertex_elements;
 	rctx->b.b.bind_vs_state = r600_bind_vs_state;
 	rctx->b.b.bind_gs_state = r600_bind_gs_state;
+	rctx->b.b.bind_tcs_state = r600_bind_tcs_state;
+	rctx->b.b.bind_tes_state = r600_bind_tes_state;
 	rctx->b.b.delete_blend_state = r600_delete_blend_state;
 	rctx->b.b.delete_depth_stencil_alpha_state = r600_delete_dsa_state;
 	rctx->b.b.delete_fs_state = r600_delete_ps_state;
@@ -2673,6 +2730,8 @@ void r600_init_common_state_functions(struct r600_context *rctx)
 	rctx->b.b.delete_vertex_elements_state = r600_delete_vertex_elements;
 	rctx->b.b.delete_vs_state = r600_delete_vs_state;
 	rctx->b.b.delete_gs_state = r600_delete_gs_state;
+	rctx->b.b.delete_tcs_state = r600_delete_tcs_state;
+	rctx->b.b.delete_tes_state = r600_delete_tes_state;
 	rctx->b.b.set_blend_color = r600_set_blend_color;
 	rctx->b.b.set_clip_state = r600_set_clip_state;
 	rctx->b.b.set_constant_buffer = r600_set_constant_buffer;
-- 
2.5.0