diff options
author | Luca Barbieri <[email protected]> | 2010-01-11 01:09:44 +0100 |
---|---|---|
committer | Luca Barbieri <[email protected]> | 2010-04-12 20:46:18 +0200 |
commit | 7fc7b759950e8c7482a3dbbf25d6604960c25092 (patch) | |
tree | 1c915912f6329215a6c40e52173698ac8a139559 | |
parent | a2ddae0fc3afcf52f79ab9ceb7d84342eb3dd612 (diff) |
nvfx: Add support for two sided color
This patch adds support for two-sided vertex color to nv30/nv40.
When set, the COLOR0/1 fs inputs on back faces will be wired to vs outputs BCOLOR0/1.
This makes OpenGL two sided lighting work, which can be tested with progs/demos/projtex.
-rw-r--r-- | src/gallium/drivers/nvfx/nvfx_context.h | 2 | ||||
-rw-r--r-- | src/gallium/drivers/nvfx/nvfx_state.c | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_context.h b/src/gallium/drivers/nvfx/nvfx_context.h index fea05ac81ab..e2c6d09fa19 100644 --- a/src/gallium/drivers/nvfx/nvfx_context.h +++ b/src/gallium/drivers/nvfx/nvfx_context.h @@ -46,7 +46,7 @@ struct nvfx_rasterizer_state { struct pipe_rasterizer_state pipe; unsigned sb_len; - uint32_t sb[30]; + uint32_t sb[32]; }; struct nvfx_zsa_state { diff --git a/src/gallium/drivers/nvfx/nvfx_state.c b/src/gallium/drivers/nvfx/nvfx_state.c index 0f03c2eb3d5..315de492dab 100644 --- a/src/gallium/drivers/nvfx/nvfx_state.c +++ b/src/gallium/drivers/nvfx/nvfx_state.c @@ -193,7 +193,6 @@ nvfx_rasterizer_state_create(struct pipe_context *pipe, struct nouveau_statebuf_builder sb = sb_init(rsso->sb); /*XXX: ignored: - * light_twoside * point_smooth -nohw * multisample */ @@ -202,6 +201,9 @@ nvfx_rasterizer_state_create(struct pipe_context *pipe, sb_data(sb, cso->flatshade ? NV34TCL_SHADE_MODEL_FLAT : NV34TCL_SHADE_MODEL_SMOOTH); + sb_method(sb, NV34TCL_VERTEX_TWO_SIDE_ENABLE, 1); + sb_data(sb, cso->light_twoside); + sb_method(sb, NV34TCL_LINE_WIDTH, 2); sb_data(sb, (unsigned char)(cso->line_width * 8.0) & 0xff); sb_data(sb, cso->line_smooth ? 1 : 0); |