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Changes to make use of temporary frame buffer more obvious

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Simon 2020-10-10 11:16:49 +01:00
parent d2bf0dcb11
commit 096a83652b
1 changed files with 17 additions and 14 deletions
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31
Projects/Android/jni/d3es-multithread-master/neo/renderer/framebuffer.cpp
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@ -5,14 +5,16 @@ GPL3
#include "renderer/tr_local.h" #include "renderer/tr_local.h"
#include "renderer/VertexCache.h" #include "renderer/VertexCache.h"
static GLuint m_framebuffer[3]; #define FRAMEBUFFER_POOL_SIZE
static GLuint m_depthbuffer[3];
static GLuint m_framebuffer[FRAMEBUFFER_POOL_SIZE];
static GLuint m_depthbuffer[FRAMEBUFFER_POOL_SIZE];
static int m_framebuffer_width, m_framebuffer_height; static int m_framebuffer_width, m_framebuffer_height;
static GLuint m_framebuffer_texture[3]; static GLuint m_framebuffer_texture[FRAMEBUFFER_POOL_SIZE];
static GLint drawFboId = 0; static GLint drawFboId = 0;
static int calldepth = 0; static int currentFramebufferIndex = 0;
void R_InitFrameBuffer() void R_InitFrameBuffer()
@ -20,7 +22,7 @@ void R_InitFrameBuffer()
m_framebuffer_width = glConfig.vidWidth; m_framebuffer_width = glConfig.vidWidth;
m_framebuffer_height = glConfig.vidHeight; m_framebuffer_height = glConfig.vidHeight;
for (int i = 0; i < 3; ++i) { for (int i = 0; i < FRAMEBUFFER_POOL_SIZE; ++i) {
// Create texture // Create texture
glGenTextures(1, &m_framebuffer_texture[i]); glGenTextures(1, &m_framebuffer_texture[i]);
glBindTexture(GL_TEXTURE_2D, m_framebuffer_texture[i]); glBindTexture(GL_TEXTURE_2D, m_framebuffer_texture[i]);
@ -43,18 +45,18 @@ void R_InitFrameBuffer()
void R_FrameBufferStart() void R_FrameBufferStart()
{ {
if (calldepth == 0) { if (currentFramebufferIndex == 0) {
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &drawFboId); glGetIntegerv(GL_FRAMEBUFFER_BINDING, &drawFboId);
} }
// Render to framebuffer // Render to framebuffer
glBindFramebuffer(GL_FRAMEBUFFER, m_framebuffer[calldepth]); glBindFramebuffer(GL_FRAMEBUFFER, m_framebuffer[currentFramebufferIndex]);
glBindRenderbuffer(GL_RENDERBUFFER, 0); glBindRenderbuffer(GL_RENDERBUFFER, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_framebuffer_texture[calldepth], 0); glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_framebuffer_texture[currentFramebufferIndex], 0);
// Attach combined depth+stencil // Attach combined depth+stencil
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_depthbuffer[calldepth]); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_depthbuffer[currentFramebufferIndex]);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, m_depthbuffer[calldepth]); glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, m_depthbuffer[currentFramebufferIndex]);
GLenum result = glCheckFramebufferStatus(GL_FRAMEBUFFER); GLenum result = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if(result != GL_FRAMEBUFFER_COMPLETE) if(result != GL_FRAMEBUFFER_COMPLETE)
@ -65,18 +67,19 @@ void R_FrameBufferStart()
glClearColor( 0.0f, 0.0f, 0.0f, 1.0f ); glClearColor( 0.0f, 0.0f, 0.0f, 1.0f );
qglClear( GL_COLOR_BUFFER_BIT ); qglClear( GL_COLOR_BUFFER_BIT );
calldepth++; //Increment index in case this gets called again
currentFramebufferIndex++;
} }
void R_FrameBufferEnd() void R_FrameBufferEnd()
{ {
calldepth--; currentFramebufferIndex--;
if (calldepth == 0) { if (currentFramebufferIndex == 0) {
glBindFramebuffer(GL_FRAMEBUFFER, drawFboId); glBindFramebuffer(GL_FRAMEBUFFER, drawFboId);
} else { } else {
glBindFramebuffer(GL_FRAMEBUFFER, m_framebuffer[calldepth-1]); glBindFramebuffer(GL_FRAMEBUFFER, m_framebuffer[currentFramebufferIndex - 1]);
} }
} }