| /************************************************************************** |
| * |
| * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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 TUNGSTEN GRAPHICS 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. |
| * |
| **************************************************************************/ |
| |
| #ifndef U_DRAW_H |
| #define U_DRAW_H |
| |
| |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_context.h" |
| #include "pipe/p_state.h" |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| static INLINE void |
| util_draw_init_info(struct pipe_draw_info *info) |
| { |
| memset(info, 0, sizeof(*info)); |
| info->instance_count = 1; |
| info->max_index = 0xffffffff; |
| } |
| |
| |
| static INLINE void |
| util_draw_arrays(struct pipe_context *pipe, uint mode, uint start, uint count) |
| { |
| struct pipe_draw_info info; |
| |
| util_draw_init_info(&info); |
| info.mode = mode; |
| info.start = start; |
| info.count = count; |
| info.min_index = start; |
| info.max_index = start + count - 1; |
| |
| pipe->draw_vbo(pipe, &info); |
| } |
| |
| static INLINE void |
| util_draw_elements(struct pipe_context *pipe, int index_bias, |
| uint mode, uint start, uint count) |
| { |
| struct pipe_draw_info info; |
| |
| util_draw_init_info(&info); |
| info.indexed = TRUE; |
| info.mode = mode; |
| info.start = start; |
| info.count = count; |
| info.index_bias = index_bias; |
| |
| pipe->draw_vbo(pipe, &info); |
| } |
| |
| static INLINE void |
| util_draw_arrays_instanced(struct pipe_context *pipe, |
| uint mode, uint start, uint count, |
| uint start_instance, |
| uint instance_count) |
| { |
| struct pipe_draw_info info; |
| |
| util_draw_init_info(&info); |
| info.mode = mode; |
| info.start = start; |
| info.count = count; |
| info.start_instance = start_instance; |
| info.instance_count = instance_count; |
| info.min_index = start; |
| info.max_index = start + count - 1; |
| |
| pipe->draw_vbo(pipe, &info); |
| } |
| |
| static INLINE void |
| util_draw_elements_instanced(struct pipe_context *pipe, |
| int index_bias, |
| uint mode, uint start, uint count, |
| uint start_instance, |
| uint instance_count) |
| { |
| struct pipe_draw_info info; |
| |
| util_draw_init_info(&info); |
| info.indexed = TRUE; |
| info.mode = mode; |
| info.start = start; |
| info.count = count; |
| info.index_bias = index_bias; |
| info.start_instance = start_instance; |
| info.instance_count = instance_count; |
| |
| pipe->draw_vbo(pipe, &info); |
| } |
| |
| static INLINE void |
| util_draw_range_elements(struct pipe_context *pipe, |
| int index_bias, |
| uint min_index, |
| uint max_index, |
| uint mode, uint start, uint count) |
| { |
| struct pipe_draw_info info; |
| |
| util_draw_init_info(&info); |
| info.indexed = TRUE; |
| info.mode = mode; |
| info.start = start; |
| info.count = count; |
| info.index_bias = index_bias; |
| info.min_index = min_index; |
| info.max_index = max_index; |
| |
| pipe->draw_vbo(pipe, &info); |
| } |
| |
| |
| unsigned |
| util_draw_max_index( |
| const struct pipe_vertex_buffer *vertex_buffers, |
| const struct pipe_vertex_element *vertex_elements, |
| unsigned nr_vertex_elements, |
| const struct pipe_draw_info *info); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* !U_DRAW_H */ |