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Render SSAO to offscreen FBO

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This commit is contained in:
Robert Beckebans 2016-01-06 22:37:16 +01:00
parent 9f83e84f6f
commit 8a861c7914
10 changed files with 111 additions and 43 deletions
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50
neo/renderer/Framebuffer.cpp
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@ -144,16 +144,28 @@ void Framebuffer::Init()
// BLOOM
for( int i = 0; i < 2; i++ )
for( int i = 0; i < MAX_BLOOM_BUFFERS; i++ )
{
globalFramebuffers.bloomRenderFBO[i] = new Framebuffer( va( "_bloomRender%i", i ), glConfig.nativeScreenWidth, glConfig.nativeScreenHeight );
globalFramebuffers.bloomRenderFBO[i]->Bind();
globalFramebuffers.bloomRenderFBO[i]->AddColorBuffer( GL_RGBA8, 0 );
globalFramebuffers.bloomRenderFBO[i]->AttachImage2D( GL_TEXTURE_2D, globalImages->bloomRender[i], 0 );
globalFramebuffers.bloomRenderFBO[i]->AttachImage2D( GL_TEXTURE_2D, globalImages->bloomRenderImage[i], 0 );
globalFramebuffers.bloomRenderFBO[i]->Check();
}
// SMSAA
// AMBIENT OCCLUSION
for( int i = 0; i < MAX_SSAO_BUFFERS; i++ )
{
globalFramebuffers.ambientOcclusionFBO[i] = new Framebuffer( va( "_aoRender%i", i ), glConfig.nativeScreenWidth, glConfig.nativeScreenHeight );
globalFramebuffers.ambientOcclusionFBO[i]->Bind();
globalFramebuffers.ambientOcclusionFBO[i]->AddColorBuffer( GL_RGBA8, 0 );
globalFramebuffers.ambientOcclusionFBO[i]->AttachImage2D( GL_TEXTURE_2D, globalImages->ambientOcclusionImage[i], 0 );
globalFramebuffers.ambientOcclusionFBO[i]->Check();
}
// SMAA
globalFramebuffers.smaaEdgesFBO = new Framebuffer( "_smaaEdges", glConfig.nativeScreenWidth, glConfig.nativeScreenHeight );
globalFramebuffers.smaaEdgesFBO->Bind();
globalFramebuffers.smaaEdgesFBO->AddColorBuffer( GL_RGBA8, 0 );
@ -213,19 +225,34 @@ void Framebuffer::CheckFramebuffers()
globalFramebuffers.hdrQuarterFBO->Check();
*/
// BLOOOM
for( int i = 0; i < 2; i++ )
// BLOOM
for( int i = 0; i < MAX_BLOOM_BUFFERS; i++ )
{
globalImages->bloomRender[i]->Resize( glConfig.nativeScreenWidth / 4, glConfig.nativeScreenHeight / 4 );
globalImages->bloomRenderImage[i]->Resize( glConfig.nativeScreenWidth / 4, glConfig.nativeScreenHeight / 4 );
globalFramebuffers.bloomRenderFBO[i]->width = glConfig.nativeScreenWidth / 4;
globalFramebuffers.bloomRenderFBO[i]->height = glConfig.nativeScreenHeight / 4;
globalFramebuffers.bloomRenderFBO[i]->Bind();
globalFramebuffers.bloomRenderFBO[i]->AttachImage2D( GL_TEXTURE_2D, globalImages->bloomRender[i], 0 );
globalFramebuffers.bloomRenderFBO[i]->AttachImage2D( GL_TEXTURE_2D, globalImages->bloomRenderImage[i], 0 );
globalFramebuffers.bloomRenderFBO[i]->Check();
}
// AMBIENT OCCLUSION
for( int i = 0; i < MAX_SSAO_BUFFERS; i++ )
{
globalImages->ambientOcclusionImage[i]->Resize( glConfig.nativeScreenWidth, glConfig.nativeScreenHeight );
globalFramebuffers.ambientOcclusionFBO[i]->width = glConfig.nativeScreenWidth;
globalFramebuffers.ambientOcclusionFBO[i]->height = glConfig.nativeScreenHeight;
globalFramebuffers.ambientOcclusionFBO[i]->Bind();
globalFramebuffers.ambientOcclusionFBO[i]->AttachImage2D( GL_TEXTURE_2D, globalImages->ambientOcclusionImage[i], 0 );
globalFramebuffers.ambientOcclusionFBO[i]->Check();
}
// SMAA
globalImages->smaaEdgesImage->Resize( glConfig.nativeScreenWidth, glConfig.nativeScreenHeight );
@ -257,12 +284,7 @@ void Framebuffer::Shutdown()
void Framebuffer::Bind()
{
#if 0
if( r_logFile.GetBool() )
{
RB_LogComment( "--- Framebuffer::Bind( name = '%s' ) ---\n", fboName.c_str() );
}
#endif
RENDERLOG_PRINTF( "Framebuffer::Bind( %s )\n", fboName.c_str() );
if( backEnd.glState.currentFramebuffer != this )
{
@ -278,6 +300,8 @@ bool Framebuffer::IsBound()
void Framebuffer::Unbind()
{
RENDERLOG_PRINTF( "Framebuffer::Unbind()\n" );
//if(backEnd.glState.framebuffer != NULL)
{
glBindFramebuffer( GL_FRAMEBUFFER, 0 );