diff options
Diffstat (limited to 'intern/gawain/src/gwn_imm_util.c')
-rw-r--r-- | intern/gawain/src/gwn_imm_util.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/intern/gawain/src/gwn_imm_util.c b/intern/gawain/src/gwn_imm_util.c new file mode 100644 index 00000000000..45d8a7036e8 --- /dev/null +++ b/intern/gawain/src/gwn_imm_util.c @@ -0,0 +1,46 @@ + +// Gawain immediate mode drawing utilities +// +// This code is part of the Gawain library, with modifications +// specific to integration with Blender. +// +// Copyright 2016 Mike Erwin +// +// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of +// the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. + +#include "gwn_imm_util.h" +#include "gwn_immediate.h" + + +void immRectf(unsigned 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(unsigned 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(); + } + +#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(); + unsigned 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 |