| /************************************************************************** |
| * |
| * Copyright 2013 Red Hat |
| * 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 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. |
| * |
| **************************************************************************/ |
| |
| #include "main/bufferobj.h" |
| #include "main/imports.h" |
| #include "main/framebuffer.h" |
| |
| #include "state_tracker/st_cb_msaa.h" |
| #include "state_tracker/st_context.h" |
| #include "state_tracker/st_atom.h" |
| #include "state_tracker/st_cb_fbo.h" |
| |
| #include "pipe/p_context.h" |
| |
| |
| static void |
| st_GetSamplePosition(struct gl_context *ctx, |
| struct gl_framebuffer *fb, |
| GLuint index, |
| GLfloat *outPos) |
| { |
| struct st_context *st = st_context(ctx); |
| |
| st_validate_state(st, ST_PIPELINE_RENDER); |
| |
| if (st->pipe->get_sample_position) |
| st->pipe->get_sample_position(st->pipe, |
| _mesa_geometric_samples(fb), |
| index, outPos); |
| else |
| outPos[0] = outPos[1] = 0.5f; |
| } |
| |
| |
| void |
| st_init_msaa_functions(struct dd_function_table *functions) |
| { |
| functions->GetSamplePosition = st_GetSamplePosition; |
| } |