1 /* 2 * Copyright (C) 2009 Francisco Jerez. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include "nouveau_driver.h" 28 #include "nouveau_context.h" 29 #include "nouveau_texture.h" 30 #include "nouveau_util.h" 31 #include "nouveau_gldefs.h" 32 #include "nv_object.xml.h" 33 #include "nv04_3d.xml.h" 34 #include "nv04_driver.h" 35 #include "main/samplerobj.h" 36 37 static uint32_t 38 get_tex_format(struct gl_texture_image *ti) 39 { 40 switch (ti->TexFormat) { 41 case MESA_FORMAT_A_UNORM8: 42 case MESA_FORMAT_L_UNORM8: 43 case MESA_FORMAT_I_UNORM8: 44 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_Y8; 45 case MESA_FORMAT_B5G5R5A1_UNORM: 46 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A1R5G5B5; 47 case MESA_FORMAT_B4G4R4A4_UNORM: 48 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A4R4G4B4; 49 case MESA_FORMAT_B5G6R5_UNORM: 50 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_R5G6B5; 51 case MESA_FORMAT_B8G8R8A8_UNORM: 52 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8; 53 case MESA_FORMAT_B8G8R8X8_UNORM: 54 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_X8R8G8B8; 55 default: 56 assert(0); 57 } 58 } 59 60 void 61 nv04_emit_tex_obj(struct gl_context *ctx, int emit) 62 { 63 struct nv04_context *nv04 = to_nv04_context(ctx); 64 const int i = emit - NOUVEAU_STATE_TEX_OBJ0; 65 struct nouveau_surface *s; 66 uint32_t format = 0xa0, filter = 0x1010; 67 68 if (ctx->Texture.Unit[i]._Current) { 69 struct gl_texture_object *t = ctx->Texture.Unit[i]._Current; 70 struct gl_texture_image *ti = t->Image[0][t->BaseLevel]; 71 const struct gl_sampler_object *sa = _mesa_get_samplerobj(ctx, i); 72 int lod_max = 1, lod_bias = 0; 73 74 if (!nouveau_texture_validate(ctx, t)) 75 return; 76 77 s = &to_nouveau_texture(t)->surfaces[t->BaseLevel]; 78 79 if (sa->MinFilter != GL_NEAREST && 80 sa->MinFilter != GL_LINEAR) { 81 lod_max = CLAMP(MIN2(sa->MaxLod, t->_MaxLambda), 82 0, 15) + 1; 83 84 lod_bias = CLAMP(ctx->Texture.Unit[i].LodBias + 85 sa->LodBias, -16, 15) * 8; 86 } 87 88 format |= nvgl_wrap_mode(sa->WrapT) << 28 | 89 nvgl_wrap_mode(sa->WrapS) << 24 | 90 ti->HeightLog2 << 20 | 91 ti->WidthLog2 << 16 | 92 lod_max << 12 | 93 get_tex_format(ti); 94 95 filter |= log2i(sa->MaxAnisotropy) << 31 | 96 nvgl_filter_mode(sa->MagFilter) << 28 | 97 log2i(sa->MaxAnisotropy) << 27 | 98 nvgl_filter_mode(sa->MinFilter) << 24 | 99 (lod_bias & 0xff) << 16; 100 101 } else { 102 s = &to_nv04_context(ctx)->dummy_texture; 103 104 format |= NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_REPEAT | 105 NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSV_REPEAT | 106 1 << 12 | 107 NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8; 108 109 filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_NEAREST | 110 NV04_TEXTURED_TRIANGLE_FILTER_MAGNIFY_NEAREST; 111 } 112 113 nv04->texture[i] = s; 114 nv04->format[i] = format; 115 nv04->filter[i] = filter; 116 } 117
