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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) 2012 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Jason Wilkins.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/gpu/intern/gpu_internal.h
* \ingroup gpu
*/
#ifndef _GPU_IMMEDIATE_INTERNAL_H_
#define _GPU_IMMEDIATE_INTERNAL_H_
#include "gpu_immediate_inline.h"
#ifdef __cplusplus
extern "C" {
#endif
#if GPU_SAFETY
/* Define some useful, but slow, checks for correct API usage. */
BLI_INLINE void GPU_CHECK_NO_ERROR(void)
{
GLboolean no_gl_error = GL_TRUE;
for (;;) {
GLenum error = glGetError();
if (error == GL_NO_ERROR) {
break;
}
else {
no_gl_error = GL_FALSE;
printf("gl error: %s\n", gpuErrorString(error));
}
}
GPU_ASSERT(no_gl_error);
}
/* Each block contains variables that can be inspected by a
debugger in the event that an assert is triggered. */
#define GPU_CHECK_CAN_SETUP() \
{ \
GLboolean immediateOK; \
GLboolean noLockOK; \
GLboolean noBeginOK; \
GPU_CHECK_BASE(immediateOK); \
GPU_CHECK_NO_LOCK(noLockOK) \
GPU_CHECK_NO_BEGIN(noBeginOK) \
}
#define GPU_CHECK_CAN_PUSH() \
{ \
GLboolean immediateStackOK; \
GLboolean noLockOK; \
GLboolean noBeginOK; \
GPU_SAFE_RETURN(immediateStack == NULL, immediateStackOK,); \
GPU_SAFE_RETURN(GPU_IMMEDIATE->buffer == NULL, noLockOK,); \
GPU_SAFE_RETURN(GPU_IMMEDIATE->lockCount == 0, noBeginOK,); \
}
#define GPU_CHECK_CAN_POP() \
{ \
GLboolean immediateOK; \
GLboolean noLockOK; \
GLboolean noBeginOK; \
GPU_SAFE_RETURN(GPU_IMMEDIATE != NULL, immediateOK, NULL); \
GPU_SAFE_RETURN(GPU_IMMEDIATE->buffer == NULL, noLockOK, NULL); \
GPU_SAFE_RETURN(GPU_IMMEDIATE->lockCount == 0, noBeginOK, NULL); \
}
#define GPU_CHECK_CAN_LOCK() \
{ \
GLboolean immediateOK; \
GLboolean noBeginOK; \
GLboolean noLockOK; \
GPU_CHECK_BASE(immediateOK); \
GPU_CHECK_NO_BEGIN(noBeginOK); \
GPU_CHECK_NO_LOCK(noLockOK); \
}
#define GPU_CHECK_CAN_UNLOCK() \
{ \
GLboolean immediateOK; \
GLboolean isLockedOK; \
GLboolean noBeginOK; \
GPU_CHECK_BASE(immediateOK); \
GPU_CHECK_IS_LOCKED(isLockedOK) \
GPU_CHECK_NO_BEGIN(noBeginOK) \
}
#define GPU_CHECK_CAN_CURRENT() \
{ \
GLboolean immediateOK; \
GLboolean noBeginOK; \
GPU_CHECK_BASE(immediateOK); \
GPU_CHECK_NO_BEGIN(noBeginOK); \
}
#define GPU_CHECK_CAN_GET_COLOR() \
{ \
GLboolean immediateOK; \
GLboolean noBeginOK; \
GLboolean isColorValidOK; \
GPU_CHECK_BASE(immediateOK); \
GPU_CHECK_NO_BEGIN(noBeginOK); \
GPU_SAFE_RETURN(GPU_IMMEDIATE->isColorValid, isColorValidOK,); \
}
#define GPU_CHECK_CAN_GET_NORMAL() \
{ \
GLboolean immediateOK; \
GLboolean noBeginOK; \
GLboolean isNormalValidOK; \
GPU_CHECK_BASE(immediateOK); \
GPU_CHECK_NO_BEGIN(noBeginOK); \
GPU_SAFE_RETURN(GPU_IMMEDIATE->isNormalValid, isNormalValidOK,); \
}
#define GPU_SAFE_STMT(var, test, stmt) \
var = (GLboolean)(test); \
GPU_ASSERT((#test, var)); \
if (var) { \
stmt; \
}
#else
#define GPU_CHECK_NO_ERROR() ((void)0)
#define GPU_CHECK_CAN_SETUP()
#define GPU_CHECK_CAN_PUSH()
#define GPU_CHECK_CAN_POP()
#define GPU_CHECK_CAN_LOCK()
#define GPU_CHECK_CAN_UNLOCK()
#define GPU_CHECK_CAN_CURRENT()
#define GPU_CHECK_CAN_GET_COLOR()
#define GPU_CHECK_CAN_GET_NORMAL()
#define GPU_SAFE_STMT(var, test, stmt) { (void)(var); stmt; }
#endif
GLsizei gpu_calc_stride(void);
#ifndef GLES
void gpu_lock_buffer_gl11(void);
void gpu_unlock_buffer_gl11(void);
void gpu_begin_buffer_gl11(void);
void gpu_end_buffer_gl11(void);
void gpu_shutdown_buffer_gl11(GPUimmediate *restrict immediate);
void gpu_current_color_gl11(void);
void gpu_get_current_color_gl11(GLfloat *restrict v);
void gpu_current_normal_gl11(void);
void gpu_index_begin_buffer_gl11(void);
void gpu_index_end_buffer_gl11(void);
void gpu_index_shutdown_buffer_gl11(GPUindex *restrict index);
void gpu_draw_elements_gl11(void);
void gpu_draw_range_elements_gl11(void);
#endif
void gpu_lock_buffer_glsl(void);
void gpu_unlock_buffer_glsl(void);
void gpu_begin_buffer_glsl(void);
void gpu_end_buffer_glsl(void);
void gpu_shutdown_buffer_glsl(GPUimmediate *restrict immediate);
void gpu_current_color_glsl(void);
void gpu_get_current_color_glsl(GLfloat *restrict v);
void gpu_current_normal_glsl(void);
void gpu_index_begin_buffer_glsl(void);
void gpu_index_end_buffer_glsl(void);
void gpu_index_shutdown_buffer_glsl(GPUindex *restrict index);
void gpu_draw_elements_glsl(void);
void gpu_draw_range_elements_glsl(void);
void gpu_quad_elements_init(void);
void gpu_lock_buffer_vbo(void);
void gpu_unlock_buffer_vbo(void);
void gpu_begin_buffer_vbo(void);
void gpu_end_buffer_vbo(void);
void gpu_shutdown_buffer_vbo(GPUimmediate *restrict immediate);
void gpu_current_color_vbo(void);
void gpu_get_current_color_vbo(GLfloat *restrict v);
void gpu_current_normal_vbo(void);
void gpu_index_begin_buffer_vbo(void);
void gpu_index_end_buffer_vbo(void);
void gpu_index_shutdown_buffer_vbo(GPUindex *restrict index);
void gpu_draw_elements_vbo(void);
void gpu_draw_range_elements_vbo(void);
#ifdef __cplusplus
}
#endif
#endif /* _GPU_INTERNAL_H_ */
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