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authorChristoph Bumiller <e0425955@student.tuwien.ac.at>2010-01-26 17:58:50 +0100
committerChristoph Bumiller <e0425955@student.tuwien.ac.at>2010-01-26 18:33:05 +0100
commita5d67dc0119035c518d9778854948d13f0ce2d69 (patch)
tree045216c0698b78306c2fd3d0017f909318b8d15b /src/gallium/drivers/nv50/nv50_state.c
parent1a9d01dcde26aee4db662deb7069fa14069062de (diff)
nv50: supports independent blend enables
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_state.c')
-rw-r--r--src/gallium/drivers/nv50/nv50_state.c56
1 files changed, 40 insertions, 16 deletions
diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c
index 815dfa4f6f..da8dc933b0 100644
--- a/src/gallium/drivers/nv50/nv50_state.c
+++ b/src/gallium/drivers/nv50/nv50_state.c
@@ -31,6 +31,23 @@
#include "nouveau/nouveau_stateobj.h"
+static INLINE uint32_t
+nv50_colormask(unsigned mask)
+{
+ uint32_t cmask = 0;
+
+ if (mask & PIPE_MASK_R)
+ cmask |= 0x0001;
+ if (mask & PIPE_MASK_G)
+ cmask |= 0x0010;
+ if (mask & PIPE_MASK_B)
+ cmask |= 0x0100;
+ if (mask & PIPE_MASK_A)
+ cmask |= 0x1000;
+
+ return cmask;
+}
+
static void *
nv50_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
@@ -38,20 +55,29 @@ nv50_blend_state_create(struct pipe_context *pipe,
struct nouveau_stateobj *so = so_new(5, 24, 0);
struct nouveau_grobj *tesla = nv50_context(pipe)->screen->tesla;
struct nv50_blend_stateobj *bso = CALLOC_STRUCT(nv50_blend_stateobj);
- unsigned cmask = 0, i;
+ unsigned i, blend_enabled = 0;
/*XXX ignored:
* - dither
*/
- if (cso->rt[0].blend_enable == 0) {
- so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
+ so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
+ if (cso->independent_blend_enable) {
+ for (i = 0; i < 8; ++i) {
+ so_data(so, cso->rt[i].blend_enable);
+ if (cso->rt[i].blend_enable)
+ blend_enabled = 1;
+ }
+ } else
+ if (cso->rt[0].blend_enable) {
+ blend_enabled = 1;
for (i = 0; i < 8; i++)
- so_data(so, 0);
+ so_data(so, 1);
} else {
- so_method(so, tesla, NV50TCL_BLEND_ENABLE(0), 8);
for (i = 0; i < 8; i++)
- so_data(so, 1);
+ so_data(so, 0);
+ }
+ if (blend_enabled) {
so_method(so, tesla, NV50TCL_BLEND_EQUATION_RGB, 5);
so_data (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
so_data (so, 0x4000 | nvgl_blend_func(cso->rt[0].rgb_src_factor));
@@ -71,17 +97,15 @@ nv50_blend_state_create(struct pipe_context *pipe,
so_data (so, nvgl_logicop_func(cso->logicop_func));
}
- if (cso->rt[0].colormask & PIPE_MASK_R)
- cmask |= (1 << 0);
- if (cso->rt[0].colormask & PIPE_MASK_G)
- cmask |= (1 << 4);
- if (cso->rt[0].colormask & PIPE_MASK_B)
- cmask |= (1 << 8);
- if (cso->rt[0].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);
+ if (cso->independent_blend_enable)
+ for (i = 0; i < 8; ++i)
+ so_data(so, nv50_colormask(cso->rt[i].colormask));
+ else {
+ uint32_t cmask = nv50_colormask(cso->rt[0].colormask);
+ for (i = 0; i < 8; i++)
+ so_data(so, cmask);
+ }
bso->pipe = *cso;
so_ref(so, &bso->so);