1 /************************************************************************** 2 * 3 * Copyright 2012 Marek Olšák <maraeo@gmail.com> 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef U_HELPERS_H 29 #define U_HELPERS_H 30 31 #include "pipe/p_state.h" 32 #include "c11/threads.h" 33 #include "compiler/shader_enums.h" 34 #include <stdio.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 void util_set_vertex_buffers_mask(struct pipe_vertex_buffer *dst, 41 uint32_t *enabled_buffers, 42 const struct pipe_vertex_buffer *src, 43 unsigned count, 44 bool take_ownership); 45 46 void util_set_vertex_buffers_count(struct pipe_vertex_buffer *dst, 47 unsigned *dst_count, 48 const struct pipe_vertex_buffer *src, 49 unsigned count, 50 bool take_ownership); 51 52 void util_set_shader_buffers_mask(struct pipe_shader_buffer *dst, 53 uint32_t *enabled_buffers, 54 const struct pipe_shader_buffer *src, 55 unsigned start_slot, unsigned count); 56 57 bool util_upload_index_buffer(struct pipe_context *pipe, 58 const struct pipe_draw_info *info, 59 const struct pipe_draw_start_count_bias *draw, 60 struct pipe_resource **out_buffer, 61 unsigned *out_offset, unsigned alignment); 62 63 void 64 util_lower_uint64_vertex_elements(const struct pipe_vertex_element **velems, 65 unsigned *velem_count, 66 struct pipe_vertex_element tmp[PIPE_MAX_ATTRIBS]); 67 68 /* Helper function to determine if the varying should contain the point 69 * coordinates, given the sprite_coord_enable mask. Requires 70 * PIPE_CAP_TGSI_TEXCOORD to be enabled. 71 */ 72 static inline bool util_varying_is_point_coord(gl_varying_slot slot,uint32_t sprite_coord_enable)73 util_varying_is_point_coord(gl_varying_slot slot, uint32_t sprite_coord_enable) 74 { 75 if (slot == VARYING_SLOT_PNTC) 76 return true; 77 78 if (slot >= VARYING_SLOT_TEX0 && slot <= VARYING_SLOT_TEX7 && 79 (sprite_coord_enable & (1 << (slot - VARYING_SLOT_TEX0)))) { 80 return true; 81 } 82 83 return false; 84 } 85 86 struct pipe_query * 87 util_begin_pipestat_query(struct pipe_context *ctx); 88 89 void 90 util_end_pipestat_query(struct pipe_context *ctx, struct pipe_query *q, 91 FILE *f); 92 93 struct pipe_query * 94 util_begin_time_query(struct pipe_context *ctx); 95 void 96 util_end_time_query(struct pipe_context *ctx, struct pipe_query *q, FILE *f, 97 const char *name); 98 99 void 100 util_wait_for_idle(struct pipe_context *ctx); 101 102 /* A utility for throttling execution based on memory usage. */ 103 struct util_throttle { 104 struct { 105 struct pipe_fence_handle *fence; 106 uint64_t mem_usage; 107 } ring[10]; 108 109 unsigned flush_index; 110 unsigned wait_index; 111 uint64_t max_mem_usage; 112 }; 113 114 void util_throttle_init(struct util_throttle *t, uint64_t max_mem_usage); 115 void util_throttle_deinit(struct pipe_screen *screen, struct util_throttle *t); 116 void util_throttle_memory_usage(struct pipe_context *pipe, 117 struct util_throttle *t, uint64_t memory_size); 118 void util_sw_query_memory_info(struct pipe_screen *pscreen, 119 struct pipe_memory_info *info); 120 121 void 122 util_init_pipe_vertex_state(struct pipe_screen *screen, 123 struct pipe_vertex_buffer *buffer, 124 const struct pipe_vertex_element *elements, 125 unsigned num_elements, 126 struct pipe_resource *indexbuf, 127 uint32_t full_velem_mask, 128 struct pipe_vertex_state *state); 129 130 union pipe_color_union util_clamp_color(enum pipe_format format, 131 const union pipe_color_union *color); 132 133 struct pipe_sampler_view 134 util_image_to_sampler_view(struct pipe_image_view *v); 135 136 #ifdef __cplusplus 137 } 138 #endif 139 140 #endif 141