Bart/bullet3
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

move shaders to .glsl files and stringify to .h file.

Browse Source 
add crude screenshot facility (using F1 key), it can also be used for debugging
start with shadows using shadowmap, not working yet
add experimental 'ignore' body index in raycast, using b3HitInfo.m_m_hitResult2
This commit is contained in:
erwin coumans
2013-06-28 14:10:23 -07:00
parent bb723f9fd1
commit f2cc840c31
41 changed files with 2060 additions and 645 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
btgui/OpenGLWindow/GLRenderToTexture.cpp
View File

@@ -2,37 +2,47 @@
///See http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-14-render-to-texture/
#include "GLRenderToTexture.h"
#include "Bullet3Common/b3Scalar.h" // for b3Assert
GLRenderToTexture::GLRenderToTexture()
:m_framebufferName(0)
{
}
void GLRenderToTexture::init(int width, int height)
void GLRenderToTexture::init(int width, int height, GLuint textureId, int renderTextureType)
{
m_renderTextureType = renderTextureType;
glGenFramebuffers(1, &m_framebufferName);
glBindFramebuffer(GL_FRAMEBUFFER, m_framebufferName);
GLuint m_renderedTexture;
glGenTextures(1, &m_renderedTexture);
// "Bind" the newly created texture : all future texture functions will modify this texture
glBindTexture(GL_TEXTURE_2D, m_renderedTexture);
// Give an empty image to OpenGL ( the last "0" )
glTexImage2D(GL_TEXTURE_2D, 0,GL_RGB, width, height, 0,GL_RGB, GL_UNSIGNED_BYTE, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
switch (m_renderTextureType)
{
case RENDERTEXTURE_COLOR:
{
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, textureId, 0);
break;
}
case RENDERTEXTURE_DEPTH:
{
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, textureId, 0);
break;
}
default:
{
b3Assert(0);
}
};
// The depth buffer
glGenRenderbuffers(1, &m_depthrenderbuffer);
glBindRenderbuffer(GL_RENDERBUFFER, m_depthrenderbuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_depthrenderbuffer);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, m_renderedTexture, 0);
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
}
@@ -40,9 +50,29 @@ bool GLRenderToTexture::enable()
{
bool status = false;
// Set the list of draw buffers.
GLenum drawBuffers[2] = {GL_COLOR_ATTACHMENT0,0};
glDrawBuffers(1, drawBuffers);
glBindFramebuffer(GL_FRAMEBUFFER, m_framebufferName);
switch (m_renderTextureType)
{
case RENDERTEXTURE_COLOR:
{
// Set the list of draw buffers.
GLenum drawBuffers[2] = {GL_COLOR_ATTACHMENT0,0};
glDrawBuffers(1, drawBuffers);
break;
}
case RENDERTEXTURE_DEPTH:
{
glDrawBuffer(GL_NONE);
break;
}
default:
{
b3Assert(0);
}
};
// Always check that our framebuffer is ok
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE)
@@ -50,6 +80,7 @@ bool GLRenderToTexture::enable()
status = true;
}
return status;
}
@@ -57,7 +88,6 @@ bool GLRenderToTexture::enable()
void GLRenderToTexture::disable()
{
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
glBindTexture(GL_TEXTURE_2D, 0);
}
GLRenderToTexture::~GLRenderToTexture()
@@ -65,10 +95,10 @@ GLRenderToTexture::~GLRenderToTexture()
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
if (m_depthrenderbuffer)
{
glDeleteRenderbuffers(1,&m_depthrenderbuffer);
}
if(m_renderedTexture)
glDeleteTextures(1, &m_renderedTexture);
if( m_framebufferName)
{