| /* |
| * Copyright (c) 2018-2019 Lima Project |
| * |
| * 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, sub license, |
| * 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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. |
| * |
| */ |
| |
| #ifndef H_LIMA_TEXTURE |
| #define H_LIMA_TEXTURE |
| |
| #define lima_min_tex_desc_size 64 |
| |
| #define LIMA_TEXTURE_TYPE_2D 2 |
| #define LIMA_TEXTURE_TYPE_CUBE 5 |
| |
| typedef struct __attribute__((__packed__)) { |
| /* Word 0 */ |
| uint32_t format : 6; |
| uint32_t flag1: 1; |
| uint32_t swap_r_b: 1; |
| uint32_t unknown_0_1: 8; |
| uint32_t stride: 15; |
| uint32_t unknown_0_2: 1; |
| |
| /* Word 1-3 */ |
| uint32_t unknown_1_1: 7; |
| uint32_t unnorm_coords: 1; |
| uint32_t unknown_1_2: 1; |
| uint32_t texture_type: 3; |
| uint32_t min_lod: 8; /* Fixed point, 4.4, unsigned */ |
| uint32_t max_lod: 8; /* Fixed point, 4.4, unsigned */ |
| uint32_t lod_bias: 9; /* Fixed point, signed, 1.4.4 */ |
| uint32_t unknown_2_1: 3; |
| uint32_t has_stride: 1; |
| uint32_t min_mipfilter_2: 2; /* 0x3 for linear, 0x0 for nearest */ |
| uint32_t min_img_filter_nearest: 1; |
| uint32_t mag_img_filter_nearest: 1; |
| uint32_t wrap_s_clamp_to_edge: 1; |
| uint32_t wrap_s_clamp: 1; |
| uint32_t wrap_s_mirror_repeat: 1; |
| uint32_t wrap_t_clamp_to_edge: 1; |
| uint32_t wrap_t_clamp: 1; |
| uint32_t wrap_t_mirror_repeat: 1; |
| uint32_t unknown_2_2: 3; |
| uint32_t width: 13; |
| uint32_t height: 13; |
| uint32_t unknown_3_1: 1; |
| uint32_t unknown_3_2: 15; |
| |
| /* Word 4 */ |
| uint32_t unknown_4; |
| |
| /* Word 5 */ |
| uint32_t unknown_5; |
| |
| /* Word 6-15 */ |
| /* layout is in va[0] bit 13-14 */ |
| /* VAs start in va[0] at bit 30, each VA is 26 bits (only MSBs are stored), stored |
| * linearly in memory */ |
| union { |
| uint32_t va[0]; |
| struct __attribute__((__packed__)) { |
| uint32_t unknown_6_1: 13; |
| uint32_t layout: 2; |
| uint32_t unknown_6_2: 9; |
| uint32_t unknown_6_3: 6; |
| #define VA_BIT_OFFSET 30 |
| #define VA_BIT_SIZE 26 |
| uint32_t va_0: VA_BIT_SIZE; |
| uint32_t va_0_1: 8; |
| uint32_t va_1_x[0]; |
| } va_s; |
| }; |
| } lima_tex_desc; |
| |
| void lima_texture_desc_set_res(struct lima_context *ctx, lima_tex_desc *desc, |
| struct pipe_resource *prsc, |
| unsigned first_level, unsigned last_level, |
| unsigned first_layer); |
| void lima_update_textures(struct lima_context *ctx); |
| |
| |
| static inline int16_t lima_float_to_fixed8(float f) |
| { |
| return (int)(f * 16.0); |
| } |
| |
| static inline float lima_fixed8_to_float(int16_t i) |
| { |
| float sign = 1.0; |
| |
| if (i > 0xff) { |
| i = 0x200 - i; |
| sign = -1; |
| } |
| |
| return sign * (float)(i / 16.0); |
| } |
| |
| #endif |