158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
/**************************************************************************
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*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef U_DRAW_H
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#define U_DRAW_H
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#include "pipe/p_compiler.h"
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#include "pipe/p_context.h"
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#include "pipe/p_state.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static INLINE void
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util_draw_init_info(struct pipe_draw_info *info)
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{
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memset(info, 0, sizeof(*info));
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info->instance_count = 1;
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info->max_index = 0xffffffff;
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}
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static INLINE void
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util_draw_arrays(struct pipe_context *pipe, uint mode, uint start, uint count)
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{
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struct pipe_draw_info info;
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util_draw_init_info(&info);
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info.mode = mode;
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info.start = start;
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info.count = count;
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info.min_index = start;
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info.max_index = start + count - 1;
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pipe->draw_vbo(pipe, &info);
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}
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static INLINE void
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util_draw_elements(struct pipe_context *pipe, int index_bias,
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uint mode, uint start, uint count)
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{
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struct pipe_draw_info info;
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util_draw_init_info(&info);
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info.indexed = TRUE;
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info.mode = mode;
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info.start = start;
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info.count = count;
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info.index_bias = index_bias;
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pipe->draw_vbo(pipe, &info);
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}
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static INLINE void
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util_draw_arrays_instanced(struct pipe_context *pipe,
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uint mode, uint start, uint count,
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uint start_instance,
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uint instance_count)
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{
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struct pipe_draw_info info;
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util_draw_init_info(&info);
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info.mode = mode;
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info.start = start;
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info.count = count;
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info.start_instance = start_instance;
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info.instance_count = instance_count;
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info.min_index = start;
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info.max_index = start + count - 1;
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pipe->draw_vbo(pipe, &info);
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}
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static INLINE void
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util_draw_elements_instanced(struct pipe_context *pipe,
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int index_bias,
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uint mode, uint start, uint count,
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uint start_instance,
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uint instance_count)
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{
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struct pipe_draw_info info;
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util_draw_init_info(&info);
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info.indexed = TRUE;
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info.mode = mode;
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info.start = start;
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info.count = count;
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info.index_bias = index_bias;
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info.start_instance = start_instance;
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info.instance_count = instance_count;
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pipe->draw_vbo(pipe, &info);
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}
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static INLINE void
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util_draw_range_elements(struct pipe_context *pipe,
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int index_bias,
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uint min_index,
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uint max_index,
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uint mode, uint start, uint count)
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{
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struct pipe_draw_info info;
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util_draw_init_info(&info);
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info.indexed = TRUE;
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info.mode = mode;
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info.start = start;
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info.count = count;
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info.index_bias = index_bias;
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info.min_index = min_index;
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info.max_index = max_index;
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pipe->draw_vbo(pipe, &info);
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}
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unsigned
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util_draw_max_index(
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const struct pipe_vertex_buffer *vertex_buffers,
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const struct pipe_vertex_element *vertex_elements,
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unsigned nr_vertex_elements,
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const struct pipe_draw_info *info);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !U_DRAW_H */
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