Mike Erwin
bef63acbd6
No longer needed since 231b5d96bb tracks dirty state of legacy matrix stacks.
Part of T49450
147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/*
|
|
* ***** 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) 2012 Blender Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* The Original Code is: all of this file.
|
|
*
|
|
* Contributor(s): Alexandr Kuznetsov, Jason Wilkins, Mike Erwin
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
*/
|
|
|
|
/** \file source/blender/gpu/GPU_matrix.h
|
|
* \ingroup gpu
|
|
*/
|
|
|
|
#ifndef _GPU_MATRIX_H_
|
|
#define _GPU_MATRIX_H_
|
|
|
|
#include "BLI_sys_types.h"
|
|
#include "GPU_glew.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* For now we support the legacy matrix stack in gpuGetMatrix functions.
|
|
* Will remove this after switching to core profile, which can happen after
|
|
* we convert all code to use the API in this file. */
|
|
#define SUPPORT_LEGACY_MATRIX 1
|
|
|
|
|
|
void gpuMatrixInit(void); /* called by system -- make private? */
|
|
|
|
|
|
/* MatrixMode is conceptually different from GL_MATRIX_MODE */
|
|
|
|
typedef enum {
|
|
MATRIX_MODE_INACTIVE,
|
|
MATRIX_MODE_2D,
|
|
MATRIX_MODE_3D
|
|
} MatrixMode;
|
|
|
|
MatrixMode gpuMatrixMode(void);
|
|
|
|
void gpuMatrixBegin2D(void);
|
|
void gpuMatrixBegin3D(void);
|
|
void gpuMatrixEnd(void);
|
|
/* TODO: gpuMatrixResume2D & gpuMatrixResume3D to switch modes but not reset stack */
|
|
|
|
|
|
/* ModelView Matrix (2D or 3D) */
|
|
|
|
void gpuPushMatrix(void); /* TODO: PushCopy vs PushIdentity? */
|
|
void gpuPopMatrix(void);
|
|
|
|
void gpuLoadIdentity(void);
|
|
|
|
void gpuScaleUniform(float factor);
|
|
|
|
|
|
/* 3D ModelView Matrix */
|
|
|
|
void gpuLoadMatrix3D(const float m[4][4]);
|
|
void gpuMultMatrix3D(const float m[4][4]);
|
|
//const float *gpuGetMatrix3D(float m[4][4]);
|
|
|
|
void gpuTranslate3f(float x, float y, float z);
|
|
void gpuTranslate3fv(const float vec[3]);
|
|
void gpuScale3f(float x, float y, float z);
|
|
void gpuScale3fv(const float vec[3]);
|
|
void gpuRotate3f(float deg, float x, float y, float z); /* axis of rotation should be a unit vector */
|
|
void gpuRotate3fv(float deg, const float axis[3]); /* axis of rotation should be a unit vector */
|
|
void gpuRotateAxis(float deg, char axis); /* TODO: enum for axis? */
|
|
|
|
void gpuLookAt(float eyeX, float eyeY, float eyeZ, float centerX, float centerY, float centerZ, float upX, float upY, float upZ);
|
|
/* TODO: variant that takes eye[3], center[3], up[3] */
|
|
|
|
|
|
/* 2D ModelView Matrix */
|
|
|
|
void gpuLoadMatrix2D(const float m[3][3]);
|
|
void gpuMultMatrix2D(const float m[3][3]);
|
|
|
|
void gpuTranslate2f(float x, float y);
|
|
void gpuTranslate2fv(const float vec[2]);
|
|
void gpuScale2f(float x, float y);
|
|
void gpuScale2fv(const float vec[2]);
|
|
void gpuRotate2D(float deg);
|
|
|
|
|
|
/* 3D Projection Matrix */
|
|
|
|
void gpuOrtho(float left, float right, float bottom, float top, float near, float far);
|
|
void gpuFrustum(float left, float right, float bottom, float top, float near, float far);
|
|
void gpuPerspective(float fovy, float aspect, float near, float far);
|
|
|
|
/* 3D Projection between Window and World Space */
|
|
|
|
void gpuProject(const float world[3], const float model[4][4], const float proj[4][4], const int view[4], float win[3]);
|
|
bool gpuUnProject(const float win[3], const float model[4][4], const float proj[4][4], const int view[4], float world[3]);
|
|
|
|
/* 2D Projection Matrix */
|
|
|
|
void gpuOrtho2D(float left, float right, float bottom, float top);
|
|
|
|
|
|
/* functions to get matrix values */
|
|
const float *gpuGetModelViewMatrix3D(float m[4][4]);
|
|
const float *gpuGetProjectionMatrix3D(float m[4][4]);
|
|
const float *gpuGetModelViewProjectionMatrix3D(float m[4][4]);
|
|
|
|
const float *gpuGetNormalMatrix(float m[3][3]);
|
|
const float *gpuGetNormalMatrixInverse(float m[3][3]);
|
|
|
|
|
|
#if SUPPORT_LEGACY_MATRIX
|
|
/* copy top matrix from each legacy stack into new fresh stack */
|
|
void gpuMatrixBegin3D_legacy(void);
|
|
#endif
|
|
|
|
|
|
/* set uniform values for currently bound shader */
|
|
void gpuBindMatrices(GLuint program);
|
|
bool gpuMatricesDirty(void); /* since last bind */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* GPU_MATRIX_H */
|