mirror of
https://github.com/brl/mutter.git
synced 2024-09-20 06:25:51 -04:00
104a6be84c
The aim is to make cogl-framebuffer.c responsible for avoiding redundant flushing of its matrix stacks so this removes the checks done directly within cogl-matrix-stack.c. Reviewed-by: Neil Roberts <neil@linux.intel.com>
137 lines
4.4 KiB
C
137 lines
4.4 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2009,2010 Intel Corporation.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*
|
|
*
|
|
*
|
|
* Authors:
|
|
* Havoc Pennington <hp@pobox.com> for litl
|
|
* Robert Bragg <robert@linux.intel.com>
|
|
*/
|
|
|
|
#ifndef __COGL_MATRIX_STACK_H
|
|
#define __COGL_MATRIX_STACK_H
|
|
|
|
#include "cogl-matrix.h"
|
|
#include "cogl-context.h"
|
|
|
|
typedef struct _CoglMatrixStack CoglMatrixStack;
|
|
|
|
typedef enum {
|
|
COGL_MATRIX_MODELVIEW,
|
|
COGL_MATRIX_PROJECTION,
|
|
COGL_MATRIX_TEXTURE
|
|
} CoglMatrixMode;
|
|
|
|
typedef void (* CoglMatrixStackFlushFunc) (CoglContext *context,
|
|
gboolean is_identity,
|
|
const CoglMatrix *matrix,
|
|
void *user_data);
|
|
|
|
CoglMatrixStack *
|
|
_cogl_matrix_stack_new (void);
|
|
|
|
void
|
|
_cogl_matrix_stack_push (CoglMatrixStack *stack);
|
|
|
|
void
|
|
_cogl_matrix_stack_pop (CoglMatrixStack *stack);
|
|
|
|
void
|
|
_cogl_matrix_stack_load_identity (CoglMatrixStack *stack);
|
|
|
|
void
|
|
_cogl_matrix_stack_scale (CoglMatrixStack *stack,
|
|
float x,
|
|
float y,
|
|
float z);
|
|
void
|
|
_cogl_matrix_stack_translate (CoglMatrixStack *stack,
|
|
float x,
|
|
float y,
|
|
float z);
|
|
void
|
|
_cogl_matrix_stack_rotate (CoglMatrixStack *stack,
|
|
float angle,
|
|
float x,
|
|
float y,
|
|
float z);
|
|
void
|
|
_cogl_matrix_stack_multiply (CoglMatrixStack *stack,
|
|
const CoglMatrix *matrix);
|
|
void
|
|
_cogl_matrix_stack_frustum (CoglMatrixStack *stack,
|
|
float left,
|
|
float right,
|
|
float bottom,
|
|
float top,
|
|
float z_near,
|
|
float z_far);
|
|
void
|
|
_cogl_matrix_stack_perspective (CoglMatrixStack *stack,
|
|
float fov_y,
|
|
float aspect,
|
|
float z_near,
|
|
float z_far);
|
|
void
|
|
_cogl_matrix_stack_ortho (CoglMatrixStack *stack,
|
|
float left,
|
|
float right,
|
|
float bottom,
|
|
float top,
|
|
float z_near,
|
|
float z_far);
|
|
gboolean
|
|
_cogl_matrix_stack_get_inverse (CoglMatrixStack *stack,
|
|
CoglMatrix *inverse);
|
|
void
|
|
_cogl_matrix_stack_get (CoglMatrixStack *stack,
|
|
CoglMatrix *matrix);
|
|
void
|
|
_cogl_matrix_stack_set (CoglMatrixStack *stack,
|
|
const CoglMatrix *matrix);
|
|
void
|
|
_cogl_matrix_stack_flush_to_gl (CoglContext *ctx,
|
|
CoglMatrixStack *stack,
|
|
CoglMatrixMode mode);
|
|
|
|
unsigned int
|
|
_cogl_matrix_stack_get_age (CoglMatrixStack *stack);
|
|
|
|
/* If this returns TRUE then the top of the matrix is definitely the
|
|
identity matrix. If it returns FALSE it may or may not be the
|
|
identity matrix but no expensive comparison is performed to verify
|
|
it. */
|
|
gboolean
|
|
_cogl_matrix_stack_has_identity_flag (CoglMatrixStack *stack);
|
|
|
|
void
|
|
_cogl_prepare_matrix_stack_for_flush (CoglContext *context,
|
|
CoglMatrixStack *stack,
|
|
CoglMatrixMode mode,
|
|
CoglMatrixStackFlushFunc callback,
|
|
void *user_data);
|
|
|
|
gboolean
|
|
_cogl_matrix_stack_equal (CoglMatrixStack *stack0,
|
|
CoglMatrixStack *stack1);
|
|
|
|
#endif /* __COGL_MATRIX_STACK_H */
|