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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2016 by Mike Erwin.
* All rights reserved.
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/gpu/intern/gwn_imm_util.c
* \ingroup gpu
*
* Gawain immediate mode drawing utilities
*/
#include "gwn_imm_util.h"
#include "gwn_immediate.h"
#include <stdlib.h>
void immRectf(uint pos, float x1, float y1, float x2, float y2)
{
immBegin(GWN_PRIM_TRI_FAN, 4);
immVertex2f(pos, x1, y1);
immVertex2f(pos, x2, y1);
immVertex2f(pos, x2, y2);
immVertex2f(pos, x1, y2);
immEnd();
}
void immRecti(uint pos, int x1, int y1, int x2, int y2)
{
immBegin(GWN_PRIM_TRI_FAN, 4);
immVertex2i(pos, x1, y1);
immVertex2i(pos, x2, y1);
immVertex2i(pos, x2, y2);
immVertex2i(pos, x1, y2);
immEnd();
}
void immRectf_fast_with_color(uint pos, uint col, float x1, float y1, float x2, float y2, const float color[4])
{
immAttrib4fv(col, color);
immVertex2f(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2f(pos, x2, y1);
immAttrib4fv(col, color);
immVertex2f(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2f(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2f(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2f(pos, x1, y2);
}
void immRecti_fast_with_color(uint pos, uint col, int x1, int y1, int x2, int y2, const float color[4])
{
immAttrib4fv(col, color);
immVertex2i(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2i(pos, x2, y1);
immAttrib4fv(col, color);
immVertex2i(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2i(pos, x1, y1);
immAttrib4fv(col, color);
immVertex2i(pos, x2, y2);
immAttrib4fv(col, color);
immVertex2i(pos, x1, y2);
}
#if 0 /* more complete version in case we want that */
void immRecti_complete(int x1, int y1, int x2, int y2, const float color[4])
{
Gwn_VertFormat *format = immVertexFormat();
uint pos = add_attrib(format, "pos", GWN_COMP_I32, 2, GWN_FETCH_INT_TO_FLOAT);
immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR);
immUniformColor4fv(color);
immRecti(pos, x1, y1, x2, y2);
immUnbindProgram();
}
#endif
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