[Mesa-dev] [PATCH 21/42] radeonsi: convert blend color state into an atom

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/drivers/radeonsi/si_hw_context.c |  1 +
 src/gallium/drivers/radeonsi/si_pipe.h       |  6 ++++++
 src/gallium/drivers/radeonsi/si_state.c      | 20 ++++++++++++--------
 src/gallium/drivers/radeonsi/si_state.h      |  2 +-
 4 files changed, 20 insertions(+), 9 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c
index c706d75..99aa039 100644
--- a/src/gallium/drivers/radeonsi/si_hw_context.c
+++ b/src/gallium/drivers/radeonsi/si_hw_context.c
@@ -193,6 +193,7 @@ void si_begin_new_cs(struct si_context *ctx)
 	si_mark_atom_dirty(ctx, &ctx->msaa_sample_locs);
 	si_mark_atom_dirty(ctx, &ctx->msaa_config);
 	si_mark_atom_dirty(ctx, &ctx->sample_mask.atom);
+	si_mark_atom_dirty(ctx, &ctx->blend_color.atom);
 	si_mark_atom_dirty(ctx, &ctx->db_render_state);
 	si_mark_atom_dirty(ctx, &ctx->b.streamout.enable_atom);
 	si_all_descriptors_begin_new_cs(ctx);
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 4d479e0..60124ea 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -93,6 +93,11 @@ struct si_screen {
 	struct r600_common_screen	b;
 };
 
+struct si_blend_color {
+	struct r600_atom		atom;
+	struct pipe_blend_color		state;
+};
+
 struct si_sampler_view {
 	struct pipe_sampler_view	base;
 	struct list_head		list;
@@ -192,6 +197,7 @@ struct si_context {
 	struct r600_resource		*border_color_table;
 	unsigned			border_color_offset;
 
+	struct si_blend_color		blend_color;
 	struct si_scissors		scissors;
 	struct si_viewports		viewports;
 	struct si_clip_state		clip_state;
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 80c7bde..df1a13c 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -452,17 +452,20 @@ static void si_set_blend_color(struct pipe_context *ctx,
 			       const struct pipe_blend_color *state)
 {
 	struct si_context *sctx = (struct si_context *)ctx;
-	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
 
-        if (pm4 == NULL)
-                return;
+	if (memcmp(&sctx->blend_color.state, state, sizeof(*state)) == 0)
+		return;
 
-	si_pm4_set_reg(pm4, R_028414_CB_BLEND_RED, fui(state->color[0]));
-	si_pm4_set_reg(pm4, R_028418_CB_BLEND_GREEN, fui(state->color[1]));
-	si_pm4_set_reg(pm4, R_02841C_CB_BLEND_BLUE, fui(state->color[2]));
-	si_pm4_set_reg(pm4, R_028420_CB_BLEND_ALPHA, fui(state->color[3]));
+	sctx->blend_color.state = *state;
+	si_mark_atom_dirty(sctx, &sctx->blend_color.atom);
+}
+
+static void si_emit_blend_color(struct si_context *sctx, struct r600_atom *atom)
+{
+	struct radeon_winsys_cs *cs = sctx->b.rings.gfx.cs;
 
-	si_pm4_set_state(sctx, blend_color, pm4);
+	r600_write_context_reg_seq(cs, R_028414_CB_BLEND_RED, 4);
+	radeon_emit_array(cs, (uint32_t*)sctx->blend_color.state.color, 4);
 }
 
 /*
@@ -3061,6 +3064,7 @@ void si_init_state_functions(struct si_context *sctx)
 	si_init_atom(sctx, &sctx->db_render_state, &sctx->atoms.s.db_render_state, si_emit_db_render_state, 10);
 	si_init_atom(sctx, &sctx->msaa_config, &sctx->atoms.s.msaa_config, si_emit_msaa_config, 10);
 	si_init_atom(sctx, &sctx->sample_mask.atom, &sctx->atoms.s.sample_mask, si_emit_sample_mask, 4);
+	si_init_atom(sctx, &sctx->blend_color.atom, &sctx->atoms.s.blend_color, si_emit_blend_color, 6);
 	si_init_atom(sctx, &sctx->clip_regs, &sctx->atoms.s.clip_regs, si_emit_clip_regs, 6);
 	si_init_atom(sctx, &sctx->clip_state.atom, &sctx->atoms.s.clip_state, si_emit_clip_state, 2+6*4);
 	si_init_atom(sctx, &sctx->scissors.atom, &sctx->atoms.s.scissors, si_emit_scissors, 16*4);
diff --git a/src/gallium/drivers/radeonsi/si_state.h b/src/gallium/drivers/radeonsi/si_state.h
index 77c4dd1..68a7cf9 100644
--- a/src/gallium/drivers/radeonsi/si_state.h
+++ b/src/gallium/drivers/radeonsi/si_state.h
@@ -78,7 +78,6 @@ struct si_vertex_element
 union si_state {
 	struct {
 		struct si_state_blend		*blend;
-		struct si_pm4_state		*blend_color;
 		struct si_state_rasterizer	*rasterizer;
 		struct si_state_dsa		*dsa;
 		struct si_pm4_state		*fb_rs;
@@ -108,6 +107,7 @@ union si_state_atoms {
 		struct r600_atom *db_render_state;
 		struct r600_atom *msaa_config;
 		struct r600_atom *sample_mask;
+		struct r600_atom *blend_color;
 		struct r600_atom *clip_regs;
 		struct r600_atom *clip_state;
 		struct r600_atom *shader_userdata;
-- 
2.1.4