diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_state.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_state.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_state.c b/src/gallium/drivers/nv50/nv50_state.c index 799f49619d2..8d75dd07c4d 100644 --- a/src/gallium/drivers/nv50/nv50_state.c +++ b/src/gallium/drivers/nv50/nv50_state.c @@ -34,6 +34,36 @@ #include "nouveau/nouveau_gldefs.h" +/* Caveats: + * ! pipe_sampler_state.normalized_coords is ignored - rectangle textures will + * use non-normalized coordinates, everything else won't + * (The relevant bit is in the TIC entry and not the TSC entry.) + * + * ! pipe_sampler_state.seamless_cube_map is ignored - seamless filtering is + * always activated on NVA0 + + * (Give me the global bit, otherwise it's not worth the CPU work.) + * + * ! pipe_sampler_state.border_color is not swizzled according to the texture + * swizzle in pipe_sampler_view + * (This will be ugly with indirect independent texture/sampler access, + * we'd have to emulate the logic in the shader. GL doesn't have that, + * D3D doesn't have swizzle, if we knew what we were implementing we'd be + * good.) + * + * ! pipe_rasterizer_state.line_last_pixel is ignored - it is never drawn + * + * ! pipe_rasterizer_state.flatshade_first also applies to QUADS + * (There's a GL query for that, forcing an exception is just ridiculous.) + * + * ! pipe_rasterizer_state.gl_rasterization_rules is ignored - pixel centers + * are always at half integer coordinates and the top-left rule applies + * (There does not seem to be a hardware switch for this.) + * + * ! pipe_rasterizer_state.sprite_coord_enable is masked with 0xff on NVC0 + * (The hardware only has 8 slots meant for TexCoord and we have to assign + * in advance to maintain elegant separate shader objects.) + */ + static INLINE uint32_t nv50_colormask(unsigned mask) { |