| /* |
| * Copyright (C) 2009 Francisco Jerez. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial |
| * portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| */ |
| |
| #include "nouveau_driver.h" |
| #include "nouveau_context.h" |
| #include "nouveau_texture.h" |
| #include "nouveau_util.h" |
| #include "nouveau_gldefs.h" |
| #include "nv_object.xml.h" |
| #include "nv04_3d.xml.h" |
| #include "nv04_driver.h" |
| #include "main/samplerobj.h" |
| |
| static uint32_t |
| get_tex_format(struct gl_texture_image *ti) |
| { |
| switch (ti->TexFormat) { |
| case MESA_FORMAT_A_UNORM8: |
| case MESA_FORMAT_L_UNORM8: |
| case MESA_FORMAT_I_UNORM8: |
| return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_Y8; |
| case MESA_FORMAT_B5G5R5A1_UNORM: |
| return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A1R5G5B5; |
| case MESA_FORMAT_B4G4R4A4_UNORM: |
| return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A4R4G4B4; |
| case MESA_FORMAT_B5G6R5_UNORM: |
| return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_R5G6B5; |
| case MESA_FORMAT_B8G8R8A8_UNORM: |
| return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8; |
| case MESA_FORMAT_B8G8R8X8_UNORM: |
| return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_X8R8G8B8; |
| default: |
| assert(0); |
| } |
| } |
| |
| void |
| nv04_emit_tex_obj(struct gl_context *ctx, int emit) |
| { |
| struct nv04_context *nv04 = to_nv04_context(ctx); |
| const int i = emit - NOUVEAU_STATE_TEX_OBJ0; |
| struct nouveau_surface *s; |
| uint32_t format = 0xa0, filter = 0x1010; |
| |
| if (ctx->Texture.Unit[i]._Current) { |
| struct gl_texture_object *t = ctx->Texture.Unit[i]._Current; |
| struct gl_texture_image *ti = t->Image[0][t->BaseLevel]; |
| const struct gl_sampler_object *sa = _mesa_get_samplerobj(ctx, i); |
| int lod_max = 1, lod_bias = 0; |
| |
| if (!nouveau_texture_validate(ctx, t)) |
| return; |
| |
| s = &to_nouveau_texture(t)->surfaces[t->BaseLevel]; |
| |
| if (sa->MinFilter != GL_NEAREST && |
| sa->MinFilter != GL_LINEAR) { |
| lod_max = CLAMP(MIN2(sa->MaxLod, t->_MaxLambda), |
| 0, 15) + 1; |
| |
| lod_bias = CLAMP(ctx->Texture.Unit[i].LodBias + |
| sa->LodBias, -16, 15) * 8; |
| } |
| |
| format |= nvgl_wrap_mode(sa->WrapT) << 28 | |
| nvgl_wrap_mode(sa->WrapS) << 24 | |
| ti->HeightLog2 << 20 | |
| ti->WidthLog2 << 16 | |
| lod_max << 12 | |
| get_tex_format(ti); |
| |
| filter |= log2i(sa->MaxAnisotropy) << 31 | |
| nvgl_filter_mode(sa->MagFilter) << 28 | |
| log2i(sa->MaxAnisotropy) << 27 | |
| nvgl_filter_mode(sa->MinFilter) << 24 | |
| (lod_bias & 0xff) << 16; |
| |
| } else { |
| s = &to_nv04_context(ctx)->dummy_texture; |
| |
| format |= NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_REPEAT | |
| NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSV_REPEAT | |
| 1 << 12 | |
| NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8; |
| |
| filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_NEAREST | |
| NV04_TEXTURED_TRIANGLE_FILTER_MAGNIFY_NEAREST; |
| } |
| |
| nv04->texture[i] = s; |
| nv04->format[i] = format; |
| nv04->filter[i] = filter; |
| } |