2014-10-13 12:38:51 +00:00
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#ifdef OS_MAC_OS_X
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#include <malloc/malloc.h>
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#else
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2013-04-05 06:13:26 +00:00
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#include <malloc.h>
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2014-10-13 12:38:51 +00:00
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#endif
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2013-06-04 16:00:03 +00:00
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#include <assert.h>
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2013-06-01 13:10:30 +00:00
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#include "OpenGL.h"
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2013-12-14 14:30:20 +00:00
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#include "Combiner.h"
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2013-06-01 13:10:30 +00:00
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#include "FrameBuffer.h"
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2013-04-05 06:13:26 +00:00
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#include "DepthBuffer.h"
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2013-06-04 16:00:03 +00:00
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#include "VI.h"
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2014-04-05 02:57:00 +00:00
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#include "Config.h"
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2013-06-01 13:10:30 +00:00
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#include "Debug.h"
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2013-04-05 06:13:26 +00:00
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2013-12-14 14:30:20 +00:00
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const GLuint ZlutImageUnit = 0;
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const GLuint TlutImageUnit = 1;
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const GLuint depthImageUnit = 2;
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2013-04-05 06:13:26 +00:00
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2015-01-27 16:00:06 +00:00
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DepthBuffer::DepthBuffer() : m_address(0), m_width(0), m_FBO(0), m_pDepthImageTexture(NULL), m_pDepthBufferTexture(NULL)
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2013-04-05 06:13:26 +00:00
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{
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2014-09-08 11:00:13 +00:00
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glGenFramebuffers(1, &m_FBO);
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2013-04-05 06:13:26 +00:00
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}
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2014-09-08 11:00:13 +00:00
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DepthBuffer::DepthBuffer(DepthBuffer && _other) :
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m_address(_other.m_address), m_width(_other.m_width),
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2015-01-27 16:00:06 +00:00
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m_FBO(_other.m_FBO), m_pDepthImageTexture(_other.m_pDepthImageTexture), m_pDepthBufferTexture(_other.m_pDepthBufferTexture)
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2013-04-05 06:13:26 +00:00
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{
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2014-09-08 11:00:13 +00:00
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_other.m_FBO = 0;
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2015-01-27 16:00:06 +00:00
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_other.m_pDepthImageTexture = NULL;
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_other.m_pDepthBufferTexture = NULL;
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2013-04-05 06:13:26 +00:00
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}
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2014-09-08 11:00:13 +00:00
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DepthBuffer::~DepthBuffer()
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2013-04-05 06:13:26 +00:00
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{
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2014-09-08 11:00:13 +00:00
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if (m_FBO != 0)
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glDeleteFramebuffers(1, &m_FBO);
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2015-01-27 16:00:06 +00:00
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if (m_pDepthImageTexture != NULL)
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textureCache().removeFrameBufferTexture(m_pDepthImageTexture);
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if (m_pDepthBufferTexture != NULL)
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textureCache().removeFrameBufferTexture(m_pDepthBufferTexture);
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2013-04-05 06:13:26 +00:00
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}
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2015-01-27 16:00:06 +00:00
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void DepthBuffer::initDepthImageTexture(FrameBuffer * _pBuffer)
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2013-04-05 06:13:26 +00:00
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{
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2014-10-13 12:37:43 +00:00
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#ifdef GL_IMAGE_TEXTURES_SUPPORT
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2015-01-27 16:00:06 +00:00
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if (m_pDepthImageTexture != NULL)
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return;
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m_pDepthImageTexture = textureCache().addFrameBufferTexture();
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m_pDepthImageTexture->width = (u32)(_pBuffer->m_pTexture->width);
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m_pDepthImageTexture->height = (u32)(_pBuffer->m_pTexture->height);
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m_pDepthImageTexture->format = 0;
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m_pDepthImageTexture->size = 2;
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m_pDepthImageTexture->clampS = 1;
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m_pDepthImageTexture->clampT = 1;
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m_pDepthImageTexture->address = _pBuffer->m_startAddress;
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m_pDepthImageTexture->clampWidth = _pBuffer->m_width;
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m_pDepthImageTexture->clampHeight = _pBuffer->m_height;
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m_pDepthImageTexture->frameBufferTexture = TRUE;
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m_pDepthImageTexture->maskS = 0;
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m_pDepthImageTexture->maskT = 0;
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m_pDepthImageTexture->mirrorS = 0;
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m_pDepthImageTexture->mirrorT = 0;
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m_pDepthImageTexture->realWidth = m_pDepthImageTexture->width;
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m_pDepthImageTexture->realHeight = m_pDepthImageTexture->height;
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m_pDepthImageTexture->textureBytes = m_pDepthImageTexture->realWidth * m_pDepthImageTexture->realHeight * 4 * 4; // Width*Height*RGBA*sizeof(GL_RGBA32F)
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textureCache().addFrameBufferTextureSize(m_pDepthImageTexture->textureBytes);
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glBindTexture( GL_TEXTURE_2D, m_pDepthImageTexture->glName );
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, m_pDepthImageTexture->realWidth, m_pDepthImageTexture->realHeight, 0, GL_RGBA, GL_FLOAT, NULL);
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2015-01-18 13:43:06 +00:00
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
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2014-09-08 11:00:13 +00:00
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glBindTexture( GL_TEXTURE_2D, 0);
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2015-01-27 16:00:06 +00:00
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2014-09-08 11:00:13 +00:00
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_FBO);
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2015-01-27 16:00:06 +00:00
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_pDepthImageTexture->glName, 0);
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2014-09-08 11:00:13 +00:00
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, _pBuffer->m_FBO);
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2015-01-27 16:00:06 +00:00
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2014-09-08 11:00:13 +00:00
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depthBufferList().clearBuffer();
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2014-10-13 12:37:43 +00:00
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#endif // GL_IMAGE_TEXTURES_SUPPORT
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2013-04-05 06:13:26 +00:00
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}
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2015-01-27 16:00:06 +00:00
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void DepthBuffer::initDepthBufferTexture(FrameBuffer * _pBuffer)
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{
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if (m_pDepthBufferTexture != NULL)
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return;
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m_pDepthBufferTexture = textureCache().addFrameBufferTexture();
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if (_pBuffer != NULL) {
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m_pDepthBufferTexture->width = (u32)(_pBuffer->m_pTexture->width);
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m_pDepthBufferTexture->height = (u32)(_pBuffer->m_pTexture->height);
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m_pDepthBufferTexture->address = _pBuffer->m_startAddress;
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m_pDepthBufferTexture->clampWidth = _pBuffer->m_width;
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m_pDepthBufferTexture->clampHeight = _pBuffer->m_height;
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}
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else {
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m_pDepthBufferTexture->width = video().getWidth();
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m_pDepthBufferTexture->height = video().getHeight();
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m_pDepthBufferTexture->address = VI.lastOrigin;
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m_pDepthBufferTexture->clampWidth = VI.width;
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m_pDepthBufferTexture->clampHeight = VI.height;
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}
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m_pDepthBufferTexture->format = 0;
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m_pDepthBufferTexture->size = 2;
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m_pDepthBufferTexture->clampS = 1;
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m_pDepthBufferTexture->clampT = 1;
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m_pDepthBufferTexture->frameBufferTexture = TRUE;
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m_pDepthBufferTexture->maskS = 0;
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m_pDepthBufferTexture->maskT = 0;
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m_pDepthBufferTexture->mirrorS = 0;
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m_pDepthBufferTexture->mirrorT = 0;
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m_pDepthBufferTexture->realWidth = m_pDepthBufferTexture->width;
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m_pDepthBufferTexture->realHeight = m_pDepthBufferTexture->height;
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m_pDepthBufferTexture->textureBytes = m_pDepthBufferTexture->realWidth * m_pDepthBufferTexture->realHeight * sizeof(float);
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textureCache().addFrameBufferTextureSize(m_pDepthBufferTexture->textureBytes);
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#ifndef GLES2
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const GLenum format = GL_DEPTH_COMPONENT;
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#else
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const GLenum format = GL_DEPTH_COMPONENT24_OES;
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#endif
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glBindTexture( GL_TEXTURE_2D, m_pDepthBufferTexture->glName );
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if (_pBuffer != NULL)
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glTexImage2D(GL_TEXTURE_2D, 0, format, _pBuffer->m_pTexture->realWidth, _pBuffer->m_pTexture->realHeight, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
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else
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glTexImage2D(GL_TEXTURE_2D, 0, format, video().getWidth(), video().getHeight(), 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
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glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
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glBindTexture( GL_TEXTURE_2D, 0);
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}
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void DepthBuffer::setDepthAttachment() {
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glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, m_pDepthBufferTexture->glName, 0);
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}
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void DepthBuffer::activateDepthBufferTexture() {
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textureCache().activateTexture(0, m_pDepthBufferTexture);
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}
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void DepthBuffer::bindDepthImageTexture() {
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#ifdef GL_IMAGE_TEXTURES_SUPPORT
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glBindImageTexture(depthImageUnit, m_pDepthImageTexture->glName, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA32F);
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#endif
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}
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2014-09-08 11:00:13 +00:00
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void DepthBufferList::init()
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2013-04-05 06:13:26 +00:00
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{
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2014-09-08 11:00:13 +00:00
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m_pCurrent = NULL;
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2015-01-27 11:56:22 +00:00
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m_pzLUT = new u16[0x40000];
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for (int i = 0; i<0x40000; i++) {
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u32 exponent = 0;
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u32 testbit = 1 << 17;
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while ((i & testbit) && (exponent < 7)) {
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exponent++;
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testbit = 1 << (17 - exponent);
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}
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const u32 mantissa = (i >> (6 - (6 < exponent ? 6 : exponent))) & 0x7ff;
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m_pzLUT[i] = (u16)(((exponent << 11) | mantissa) << 2);
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}
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2013-04-05 06:13:26 +00:00
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}
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2014-09-08 11:00:13 +00:00
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void DepthBufferList::destroy()
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2013-04-05 06:13:26 +00:00
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{
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2015-01-27 11:56:22 +00:00
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delete[] m_pzLUT;
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m_pzLUT = NULL;
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2014-09-08 11:00:13 +00:00
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m_pCurrent = NULL;
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m_list.clear();
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2013-04-05 06:13:26 +00:00
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}
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2014-09-08 11:00:13 +00:00
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DepthBuffer * DepthBufferList::findBuffer(u32 _address)
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2013-04-05 06:13:26 +00:00
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{
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2014-09-08 11:00:13 +00:00
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for (DepthBuffers::iterator iter = m_list.begin(); iter != m_list.end(); ++iter)
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if (iter->m_address == _address)
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return &(*iter);
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return NULL;
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}
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2013-04-05 06:13:26 +00:00
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2014-09-08 11:00:13 +00:00
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void DepthBufferList::removeBuffer(u32 _address )
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{
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for (DepthBuffers::iterator iter = m_list.begin(); iter != m_list.end(); ++iter)
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if (iter->m_address == _address) {
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m_list.erase(iter);
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return;
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}
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2013-04-05 06:13:26 +00:00
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}
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2014-09-08 11:00:13 +00:00
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void DepthBufferList::saveBuffer(u32 _address)
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2013-04-05 06:13:26 +00:00
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{
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2014-09-08 11:00:13 +00:00
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if (!config.frameBufferEmulation.enable)
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return;
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FrameBuffer * pFrameBuffer = frameBufferList().findBuffer(_address);
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2013-06-04 16:00:03 +00:00
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if (pFrameBuffer == NULL)
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2014-09-08 11:01:22 +00:00
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pFrameBuffer = frameBufferList().getCurrent();
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2013-06-02 15:20:44 +00:00
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2014-09-08 11:00:13 +00:00
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if (m_pCurrent == NULL || m_pCurrent->m_address != _address)
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m_pCurrent = findBuffer(_address);
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if (m_pCurrent != NULL && pFrameBuffer != NULL && m_pCurrent->m_width != pFrameBuffer->m_width) {
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removeBuffer(_address);
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m_pCurrent = NULL;
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2013-04-05 06:13:26 +00:00
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}
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2014-09-08 11:00:13 +00:00
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if (m_pCurrent == NULL) {
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m_list.emplace_front();
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DepthBuffer & buffer = m_list.front();
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2013-06-04 16:00:03 +00:00
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2014-09-08 11:00:13 +00:00
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buffer.m_address = _address;
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buffer.m_width = pFrameBuffer != NULL ? pFrameBuffer->m_width : VI.width;
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2015-01-27 16:00:06 +00:00
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buffer.initDepthBufferTexture(pFrameBuffer);
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2014-09-08 11:00:13 +00:00
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m_pCurrent = &buffer;
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2013-06-04 16:00:03 +00:00
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}
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2013-04-05 06:13:26 +00:00
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2014-09-08 11:00:13 +00:00
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frameBufferList().attachDepthBuffer();
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2013-06-01 13:10:30 +00:00
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#ifdef DEBUG
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DebugMsg( DEBUG_HIGH | DEBUG_HANDLED, "DepthBuffer_SetBuffer( 0x%08X ); color buffer is 0x%08X\n",
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2014-09-08 11:01:22 +00:00
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address, ( pFrameBuffer != NULL && pFrameBuffer->m_FBO > 0) ? pFrameBuffer->m_startAddress : 0
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2013-06-01 13:10:30 +00:00
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);
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#endif
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2013-04-05 06:13:26 +00:00
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}
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2014-01-08 16:22:42 +00:00
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2014-09-08 11:00:13 +00:00
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void DepthBufferList::clearBuffer()
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2013-04-05 06:13:26 +00:00
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{
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2014-10-13 12:37:43 +00:00
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#ifdef GL_IMAGE_TEXTURES_SUPPORT
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2014-09-21 12:15:22 +00:00
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if (!video().getRender().isImageTexturesSupported())
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2013-12-15 17:20:12 +00:00
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return;
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2014-09-08 11:00:13 +00:00
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if (m_pCurrent == NULL || m_pCurrent->m_FBO == 0)
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2013-12-14 14:30:20 +00:00
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return;
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2014-05-15 16:54:29 +00:00
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float color[4] = {1.0f, 1.0f, 0.0f, 1.0f};
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2013-12-14 14:30:20 +00:00
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glBindImageTexture(depthImageUnit, 0, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA32F);
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2014-09-08 11:00:13 +00:00
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_pCurrent->m_FBO);
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2014-11-04 11:02:48 +00:00
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const u32 cycleType = gDP.otherMode.cycleType;
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2014-11-08 18:02:50 +00:00
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gDP.otherMode.cycleType = G_CYC_FILL;
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2014-09-21 12:15:22 +00:00
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video().getRender().drawRect(0,0,VI.width, VI.height, color);
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2014-11-04 11:02:48 +00:00
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gDP.otherMode.cycleType = cycleType;
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2015-01-27 16:00:06 +00:00
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glBindImageTexture(depthImageUnit, m_pCurrent->m_pDepthImageTexture->glName, 0, GL_FALSE, 0, GL_READ_WRITE, GL_RGBA32F);
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2014-09-08 11:01:22 +00:00
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, frameBufferList().getCurrent()->m_FBO);
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2014-10-13 12:37:43 +00:00
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#endif // GL_IMAGE_TEXTURES_SUPPORT
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2013-12-14 14:30:20 +00:00
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}
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2014-09-08 11:00:13 +00:00
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void DepthBuffer_Init()
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{
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depthBufferList().init();
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}
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void DepthBuffer_Destroy()
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{
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depthBufferList().destroy();
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}
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