diff options
author | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2010-01-26 17:58:50 +0100 |
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committer | Christoph Bumiller <e0425955@student.tuwien.ac.at> | 2010-01-26 18:33:05 +0100 |
commit | a5d67dc0119035c518d9778854948d13f0ce2d69 (patch) | |
tree | 045216c0698b78306c2fd3d0017f909318b8d15b /src/gallium/drivers/nv50/nv50_state.c | |
parent | 1a9d01dcde26aee4db662deb7069fa14069062de (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.c | 56 |
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); |