nv50: create blend stateobj

1 files changed, 61 insertions, 1 deletions

diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c
index 99dcab51b2..7a01100fd7 100644
--- a/src/gallium/drivers/nv50/nv50_state.c
+++ b/src/gallium/drivers/nv50/nv50_state.c
@@ -5,21 +5,81 @@
 #include "nv50_context.h"
 #include "nv50_state.h"
 
+#include "nouveau/nouveau_stateobj.h"
+
 static void *
 nv50_blend_state_create(struct pipe_context *pipe,
 			const struct pipe_blend_state *cso)
 {
-	return NULL;
+	struct nouveau_stateobj *so = so_new(64, 0);
+	struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
+	struct nv50_blend_stateobj *bso = CALLOC_STRUCT(nv50_blend_stateobj);
+	unsigned cmask = 0, i;
+
+	/*XXX ignored:
+	 * 	- dither
+	 */
+
+	if (cso->blend_enable == 0) {
+		so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
+		for (i = 0; i < 8; i++)
+			so_data(so, 0);
+	} else {
+		so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
+		for (i = 0; i < 8; i++)
+			so_data(so, 1);
+		so_method(so, tesla, NV50TCL_BLEND_EQUATION_RGB, 5);
+		so_data  (so, nvgl_blend_eqn(cso->rgb_func));
+		so_data  (so, nvgl_blend_func(cso->rgb_src_factor));
+		so_data  (so, nvgl_blend_func(cso->rgb_dst_factor));
+		so_data  (so, nvgl_blend_eqn(cso->alpha_func));
+		so_data  (so, nvgl_blend_func(cso->alpha_src_factor));
+		so_method(so, tesla, NV50TCL_BLEND_FUNC_DST_ALPHA, 1);
+		so_data  (so, nvgl_blend_func(cso->alpha_dst_factor));
+	}
+
+	if (cso->logicop_enable == 0 ) {
+		so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 1);
+		so_data  (so, 0);
+	} else {
+		so_method(so, tesla, NV50TCL_LOGIC_OP_ENABLE, 2);
+		so_data  (so, 1);
+		so_data  (so, nvgl_logicop_func(cso->logicop_func));
+	}
+
+	if (cso->colormask & PIPE_MASK_R)
+		cmask |= (1 << 0);
+	if (cso->colormask & PIPE_MASK_G)
+		cmask |= (1 << 4);
+	if (cso->colormask & PIPE_MASK_B)
+		cmask |= (1 << 8);
+	if (cso->colormask & PIPE_MASK_A)
+		cmask |= (1 << 12);
+	so_method(so, tesla, NV50TCL_COLOR_MASK(0), 8);
+	for (i = 0; i < 8; i++)
+		so_data(so, cmask);
+
+	bso->pipe = *cso;
+	so_ref(so, &bso->so);
+	return (void *)bso;
 }
 
 static void
 nv50_blend_state_bind(struct pipe_context *pipe, void *hwcso)
 {
+	struct nv50_context *nv50 = nv50_context(pipe);
+
+	nv50->blend = hwcso;
+	nv50->dirty |= NV50_NEW_BLEND;
 }
 
 static void
 nv50_blend_state_delete(struct pipe_context *pipe, void *hwcso)
 {
+	struct nv50_blend_stateobj *bso = hwcso;
+
+	so_ref(NULL, &bso->so);
+	FREE(bso);
 }
 
 static void *