nv30_fragtex.c revision 6432d03c3d7ae21312e983fe41f4df7d66f7a3bf
1#include "nv30_context.h" 2 3static INLINE int log2i(int i) 4{ 5 int r = 0; 6 7 if (i & 0xffff0000) { 8 i >>= 16; 9 r += 16; 10 } 11 if (i & 0x0000ff00) { 12 i >>= 8; 13 r += 8; 14 } 15 if (i & 0x000000f0) { 16 i >>= 4; 17 r += 4; 18 } 19 if (i & 0x0000000c) { 20 i >>= 2; 21 r += 2; 22 } 23 if (i & 0x00000002) { 24 r += 1; 25 } 26 return r; 27} 28 29#define _(m,tf,ts0x,ts0y,ts0z,ts0w,ts1x,ts1y,ts1z,ts1w) \ 30{ \ 31 TRUE, \ 32 PIPE_FORMAT_##m, \ 33 NV34TCL_TX_FORMAT_FORMAT_##tf, \ 34 (NV34TCL_TX_SWIZZLE_S0_X_##ts0x | NV34TCL_TX_SWIZZLE_S0_Y_##ts0y | \ 35 NV34TCL_TX_SWIZZLE_S0_Z_##ts0z | NV34TCL_TX_SWIZZLE_S0_W_##ts0w | \ 36 NV34TCL_TX_SWIZZLE_S1_X_##ts1x | NV34TCL_TX_SWIZZLE_S1_Y_##ts1y | \ 37 NV34TCL_TX_SWIZZLE_S1_Z_##ts1z | NV34TCL_TX_SWIZZLE_S1_W_##ts1w) \ 38} 39 40struct nv30_texture_format { 41 boolean defined; 42 uint pipe; 43 int format; 44 int swizzle; 45}; 46 47static struct nv30_texture_format 48nv30_texture_formats[] = { 49 _(A8R8G8B8_UNORM, A8R8G8B8, S1, S1, S1, S1, X, Y, Z, W), 50 _(A1R5G5B5_UNORM, A1R5G5B5, S1, S1, S1, S1, X, Y, Z, W), 51 _(A4R4G4B4_UNORM, A4R4G4B4, S1, S1, S1, S1, X, Y, Z, W), 52 _(R5G6B5_UNORM , R5G6B5 , S1, S1, S1, ONE, X, Y, Z, W), 53 _(L8_UNORM , L8 , S1, S1, S1, ONE, X, X, X, X), 54 _(A8_UNORM , L8 , ZERO, ZERO, ZERO, S1, X, X, X, X), 55 _(I8_UNORM , L8 , S1, S1, S1, S1, X, X, X, X), 56 _(A8L8_UNORM , A8L8 , S1, S1, S1, S1, X, X, X, Y), 57// _(Z16_UNORM , Z16 , S1, S1, S1, ONE, X, X, X, X), 58// _(Z24S8_UNORM , Z24 , S1, S1, S1, ONE, X, X, X, X), 59 _(DXT1_RGB , DXT1 , S1, S1, S1, ONE, X, Y, Z, W), 60 _(DXT1_RGBA , DXT1 , S1, S1, S1, S1, X, Y, Z, W), 61 _(DXT3_RGBA , DXT3 , S1, S1, S1, S1, X, Y, Z, W), 62 _(DXT5_RGBA , DXT5 , S1, S1, S1, S1, X, Y, Z, W), 63 {}, 64}; 65 66static struct nv30_texture_format * 67nv30_fragtex_format(uint pipe_format) 68{ 69 struct nv30_texture_format *tf = nv30_texture_formats; 70 char fs[128]; 71 72 while (tf->defined) { 73 if (tf->pipe == pipe_format) 74 return tf; 75 tf++; 76 } 77 78 NOUVEAU_ERR("unknown texture format %s\n", pf_name(pipe_format)); 79 return NULL; 80} 81 82 83static struct nouveau_stateobj * 84nv30_fragtex_build(struct nv30_context *nv30, int unit) 85{ 86 struct nv30_sampler_state *ps = nv30->tex_sampler[unit]; 87 struct nv30_miptree *nv30mt = nv30->tex_miptree[unit]; 88 struct pipe_texture *pt = &nv30mt->base; 89 struct nv30_texture_format *tf; 90 struct nouveau_stateobj *so; 91 uint32_t txf, txs , txp; 92 unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD; 93 94 tf = nv30_fragtex_format(pt->format); 95 if (!tf) 96 assert(0); 97 98 txf = tf->format; 99 txf |= ((pt->last_level>0) ? NV34TCL_TX_FORMAT_MIPMAP : 0); 100 txf |= log2i(pt->width[0]) << 20; 101 txf |= log2i(pt->height[0]) << 24; 102 txf |= log2i(pt->depth[0]) << 28; 103 txf |= NV34TCL_TX_FORMAT_NO_BORDER | 0x10000; 104 105 switch (pt->target) { 106 case PIPE_TEXTURE_CUBE: 107 txf |= NV34TCL_TX_FORMAT_CUBIC; 108 /* fall-through */ 109 case PIPE_TEXTURE_2D: 110 txf |= NV34TCL_TX_FORMAT_DIMS_2D; 111 break; 112 case PIPE_TEXTURE_3D: 113 txf |= NV34TCL_TX_FORMAT_DIMS_3D; 114 break; 115 case PIPE_TEXTURE_1D: 116 txf |= NV34TCL_TX_FORMAT_DIMS_1D; 117 break; 118 default: 119 NOUVEAU_ERR("Unknown target %d\n", pt->target); 120 return NULL; 121 } 122 123 if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) { 124 txp = 0; 125 } else { 126 txp = nv30mt->level[0].pitch; 127 txf |= (1<<13) /*FIXME: NV34TCL_TX_FORMAT_LINEAR ? */; 128 } 129 130 txs = tf->swizzle; 131 132 so = so_new(16, 2); 133 so_method(so, nv30->screen->rankine, NV34TCL_TX_OFFSET(unit), 8); 134 so_reloc (so, nv30mt->buffer, 0, tex_flags | NOUVEAU_BO_LOW, 0, 0); 135 so_reloc (so, nv30mt->buffer, txf, tex_flags | NOUVEAU_BO_OR, 136 NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1); 137 so_data (so, ps->wrap); 138 so_data (so, NV34TCL_TX_ENABLE_ENABLE | ps->en); 139 so_data (so, txs); 140 so_data (so, ps->filt | 0x2000 /*voodoo*/); 141 so_data (so, (pt->width[0] << NV34TCL_TX_NPOT_SIZE_W_SHIFT) | 142 pt->height[0]); 143 so_data (so, ps->bcol); 144 145 return so; 146} 147 148static boolean 149nv30_fragtex_validate(struct nv30_context *nv30) 150{ 151 struct nv30_fragment_program *fp = nv30->fragprog; 152 struct nv30_state *state = &nv30->state; 153 struct nouveau_stateobj *so; 154 unsigned samplers, unit; 155 156 samplers = state->fp_samplers & ~fp->samplers; 157 while (samplers) { 158 unit = ffs(samplers) - 1; 159 samplers &= ~(1 << unit); 160 161 so = so_new(2, 0); 162 so_method(so, nv30->screen->rankine, NV34TCL_TX_ENABLE(unit), 1); 163 so_data (so, 0); 164 so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]); 165 state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit)); 166 } 167 168 samplers = nv30->dirty_samplers & fp->samplers; 169 while (samplers) { 170 unit = ffs(samplers) - 1; 171 samplers &= ~(1 << unit); 172 173 so = nv30_fragtex_build(nv30, unit); 174 so_ref(so, &nv30->state.hw[NV30_STATE_FRAGTEX0 + unit]); 175 state->dirty |= (1ULL << (NV30_STATE_FRAGTEX0 + unit)); 176 } 177 178 nv30->state.fp_samplers = fp->samplers; 179 return FALSE; 180} 181 182struct nv30_state_entry nv30_state_fragtex = { 183 .validate = nv30_fragtex_validate, 184 .dirty = { 185 .pipe = NV30_NEW_SAMPLER | NV30_NEW_FRAGPROG, 186 .hw = 0 187 } 188}; 189