diff options
| author | Luca Barbieri <luca@luca-barbieri.com> | 2010-02-23 12:47:45 +0100 |
|---|---|---|
| committer | Luca Barbieri <luca@luca-barbieri.com> | 2010-08-21 20:42:14 +0200 |
| commit | 4793f48a19465ad27c3a33d9453a0def78775736 (patch) | |
| tree | ed833b6a6c01a5b948630836206e54009254f7cf /src/gallium/drivers/nvfx/nv40_fragtex.c | |
| parent | d983701267de0083cc702e460c841741292cc9b8 (diff) | |
nvfx: new 2D: optimize fragtex format lookup
Use an array indexed by the pipe format instead of doing a linear scan.
Diffstat (limited to 'src/gallium/drivers/nvfx/nv40_fragtex.c')
| -rw-r--r-- | src/gallium/drivers/nvfx/nv40_fragtex.c | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/src/gallium/drivers/nvfx/nv40_fragtex.c b/src/gallium/drivers/nvfx/nv40_fragtex.c index 45c34c7ffd..87aa7eb1a2 100644 --- a/src/gallium/drivers/nvfx/nv40_fragtex.c +++ b/src/gallium/drivers/nvfx/nv40_fragtex.c @@ -49,9 +49,7 @@ nv40_sampler_state_init(struct pipe_context *pipe, } #define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w,sx,sy,sz,sw) \ -{ \ - TRUE, \ - PIPE_FORMAT_##m, \ +[PIPE_FORMAT_##m] = { \ NV40TCL_TEX_FORMAT_FORMAT_##tf, \ (NV34TCL_TX_SWIZZLE_S0_X_##ts0x | NV34TCL_TX_SWIZZLE_S0_Y_##ts0y | \ NV34TCL_TX_SWIZZLE_S0_Z_##ts0z | NV34TCL_TX_SWIZZLE_S0_W_##ts0w | \ @@ -62,15 +60,14 @@ nv40_sampler_state_init(struct pipe_context *pipe, } struct nv40_texture_format { - boolean defined; - uint pipe; int format; int swizzle; int sign; }; static struct nv40_texture_format -nv40_texture_formats[] = { +nv40_texture_formats[PIPE_FORMAT_COUNT] = { + [0 ... PIPE_FORMAT_COUNT - 1] = {-1, 0, 0}, _(B8G8R8X8_UNORM, A8R8G8B8, S1, S1, S1, ONE, X, Y, Z, W, 0, 0, 0, 0), _(B8G8R8A8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), _(B5G5R5A1_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W, 0, 0, 0, 0), @@ -90,22 +87,6 @@ nv40_texture_formats[] = { {}, }; -static struct nv40_texture_format * -nv40_fragtex_format(uint pipe_format) -{ - struct nv40_texture_format *tf = nv40_texture_formats; - - while (tf->defined) { - if (tf->pipe == pipe_format) - return tf; - tf++; - } - - NOUVEAU_ERR("unknown texture format %s\n", util_format_name(pipe_format)); - return NULL; -} - - void nv40_fragtex_set(struct nvfx_context *nvfx, int unit) { @@ -119,9 +100,8 @@ nv40_fragtex_set(struct nvfx_context *nvfx, int unit) uint32_t txf, txs, txp; unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD; - tf = nv40_fragtex_format(pt->format); - if (!tf) - assert(0); + tf = &nv40_texture_formats[pt->format]; + assert(tf->format >= 0); txf = ps->fmt; txf |= tf->format | 0x8000; |