| /* |
| * 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, sublicense, |
| * 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 NONINFRINGEMENT. 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 U_SPLIT_DRAW_H |
| #define U_SPLIT_DRAW_H |
| |
| #include "pipe/p_state.h" |
| |
| /** |
| * For non-indexed drawing, this function helps work around hardware |
| * limits on the number of verts in a single draw. |
| * |
| * For the given mode of primitive from info, calculate the count and |
| * step in the buffer so the draw can be split into multiple draws. |
| * |
| * \param info pointer to the original pipe_draw_info from draw_vbo |
| * \param max_verts max number of vertices that can be handled by the hardware |
| * \param count number of vertices remaining in the draw call. It is also |
| * used as a return parameter, containing how many vertices |
| * should be sent in the next job to the hardware. |
| * \param step return parameter, will contain how many vertices should be |
| * skipped from the original count on the next call to this |
| * function (may differ from count if the primitive mode |
| * requires the last vertices to be reused in the next draw) |
| */ |
| bool |
| u_split_draw(const struct pipe_draw_info *info, uint32_t max_verts, |
| uint32_t *count, uint32_t *step); |
| |
| #endif |
