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/**************************************************************************
*
* Copyright 2012 Marek Olšák <maraeo@gmail.com>
* 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, 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 AND/OR THEIR 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.
*
**************************************************************************/
#ifndef U_HELPERS_H
#define U_HELPERS_H
#include "pipe/p_state.h"
#include "c11/threads.h"
#include "compiler/shader_enums.h"
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
void util_set_vertex_buffers_mask(struct pipe_vertex_buffer *dst,
uint32_t *enabled_buffers,
const struct pipe_vertex_buffer *src,
unsigned count,
bool take_ownership);
void util_set_vertex_buffers_count(struct pipe_vertex_buffer *dst,
unsigned *dst_count,
const struct pipe_vertex_buffer *src,
unsigned count,
bool take_ownership);
void util_set_shader_buffers_mask(struct pipe_shader_buffer *dst,
uint32_t *enabled_buffers,
const struct pipe_shader_buffer *src,
unsigned start_slot, unsigned count);
bool util_upload_index_buffer(struct pipe_context *pipe,
const struct pipe_draw_info *info,
const struct pipe_draw_start_count_bias *draw,
struct pipe_resource **out_buffer,
unsigned *out_offset, unsigned alignment);
void
util_lower_uint64_vertex_elements(const struct pipe_vertex_element **velems,
unsigned *velem_count,
struct pipe_vertex_element tmp[PIPE_MAX_ATTRIBS]);
/* Helper function to determine if the varying should contain the point
* coordinates, given the sprite_coord_enable mask. Requires
* PIPE_CAP_TGSI_TEXCOORD to be enabled.
*/
static inline bool
util_varying_is_point_coord(gl_varying_slot slot, uint32_t sprite_coord_enable)
{
if (slot == VARYING_SLOT_PNTC)
return true;
if (slot >= VARYING_SLOT_TEX0 && slot <= VARYING_SLOT_TEX7 &&
(sprite_coord_enable & (1 << (slot - VARYING_SLOT_TEX0)))) {
return true;
}
return false;
}
struct pipe_query *
util_begin_pipestat_query(struct pipe_context *ctx);
void
util_end_pipestat_query(struct pipe_context *ctx, struct pipe_query *q,
FILE *f);
struct pipe_query *
util_begin_time_query(struct pipe_context *ctx);
void
util_end_time_query(struct pipe_context *ctx, struct pipe_query *q, FILE *f,
const char *name);
void
util_wait_for_idle(struct pipe_context *ctx);
/* A utility for throttling execution based on memory usage. */
struct util_throttle {
struct {
struct pipe_fence_handle *fence;
uint64_t mem_usage;
} ring[10];
unsigned flush_index;
unsigned wait_index;
uint64_t max_mem_usage;
};
void util_throttle_init(struct util_throttle *t, uint64_t max_mem_usage);
void util_throttle_deinit(struct pipe_screen *screen, struct util_throttle *t);
void util_throttle_memory_usage(struct pipe_context *pipe,
struct util_throttle *t, uint64_t memory_size);
void util_sw_query_memory_info(struct pipe_screen *pscreen,
struct pipe_memory_info *info);
bool
util_lower_clearsize_to_dword(const void *clearValue, int *clearValueSize, uint32_t *clamped);
void
util_init_pipe_vertex_state(struct pipe_screen *screen,
struct pipe_vertex_buffer *buffer,
const struct pipe_vertex_element *elements,
unsigned num_elements,
struct pipe_resource *indexbuf,
uint32_t full_velem_mask,
struct pipe_vertex_state *state);
union pipe_color_union util_clamp_color(enum pipe_format format,
const union pipe_color_union *color);
struct pipe_sampler_view
util_image_to_sampler_view(struct pipe_image_view *v);
#ifdef __cplusplus
}
#endif
#endif
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