rq3/reaction
0
0
Fork 0
mirror of https://github.com/ReactionQuake3/reaction.git synced 2025-04-04 17:02:00 +00:00
Code Issues Projects Releases Packages Wiki Activity

God rays tweaks. Also made it so that FBO's are now used everywhere and not just for the level rendering.

Browse source
This commit is contained in:
Andrei Drexler 2011-03-15 18:28:58 +00:00
parent 2fff41d467
commit 7b882ae08f
4 changed files with 119 additions and 92 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
reaction/code/renderer/tr_backend.c
View file

@ -500,15 +500,6 @@ void RB_BeginDrawingView (void) {
// 2D images again
backEnd.projection2D = qfalse;
if (backEnd.refdef.width == glConfig.vidWidth && backEnd.refdef.height == glConfig.vidHeight && 0 == (backEnd.refdef.rdflags & RDF_NOWORLDMODEL))
{
R_FBO_Bind(tr.fbo.full[0]);
}
else
{
R_FBO_Bind(NULL);
}
//
// set the modelview matrix for the viewer
//
@ -826,24 +817,22 @@ RENDER BACK END THREAD FUNCTIONS
/*
================
RB_SetGL2D_Level
RB_SetGL2D_Ex
================
*/
void RB_SetGL2D_Level(int level)
void RB_SetGL2D_Ex(int x, int y, int width, int height)
{
matrix_t matrix;
int width = glConfig.vidWidth >> level;
int height = glConfig.vidHeight >> level;
backEnd.projection2D = qtrue;
// set 2D virtual screen size
qglViewport( 0, 0, width, height );
qglScissor( 0, 0, width, height );
qglViewport( x, y, width, height );
qglScissor( x, y, width, height );
Matrix16Ortho(0, width, height, 0, 0, 1, matrix);
Matrix16Ortho(x, x+width, y+height, y, 0, 1, matrix);
GL_SetProjectionMatrix(matrix);
Matrix16Identity(matrix);
GL_SetModelviewMatrix(matrix);
@ -860,6 +849,21 @@ void RB_SetGL2D_Level(int level)
backEnd.refdef.floatTime = backEnd.refdef.time * 0.001f;
}
/*
================
RB_SetGL2D_Level
================
*/
void RB_SetGL2D_Level(int level)
{
int x = 0;
int y = 0;
int width = glConfig.vidWidth >> level;
int height = glConfig.vidHeight >> level;
RB_SetGL2D_Ex(x, y, width, height);
}
/*
================
RB_SetGL2D
@ -1338,6 +1342,8 @@ const void *RB_SwapBuffers( const void *data ) {
RB_ShowImages();
}
RB_FBO_Blit();
cmd = (const swapBuffersCommand_t *)data;
// we measure overdraw by reading back the stencil buffer and

95
reaction/code/renderer/tr_fbo.c
View file

@ -265,18 +265,21 @@ void R_FBO_AddColorBuffer(fbo_t* fbo, fboColorBuffer_t* color)
}
}
/*
===============
R_FBO_Bind
===============
*/
/*
===============
R_FBO_Bind
===============
*/
fbo_t* R_FBO_Bind(fbo_t* fbo)
{
fbo_t* old = glState.currentFBO;
GLuint id = 0;
if (!glRefConfig.framebufferObject)
return old;
{
glState.currentFBO = NULL;
return NULL;
}
if (old == fbo)
return old;
@ -303,11 +306,11 @@ fbo_t* R_FBO_Bind(fbo_t* fbo)
return old;
}
/*
===============
R_FBO_BindColorBuffer
===============
*/
/*
===============
R_FBO_BindColorBuffer
===============
*/
void R_FBO_BindColorBuffer(fbo_t* fbo, int index)
{
@ -322,28 +325,28 @@ void R_FBO_BindColorBuffer(fbo_t* fbo, int index)
int id;
int width = color->buf->width;
int height = color->buf->height;
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, color->fboResolve[0]);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, color->fboResolve[1]);
qglBlitFramebufferEXT(0, 0, width, height, 0, 0, width, height, GL_COLOR_BUFFER_BIT, GL_LINEAR);
if (glState.currentFBO)
id = glState.currentFBO->id;
else
id = 0;
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, id);
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, id);
}
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, color->fboResolve[0]);
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, color->fboResolve[1]);
qglBlitFramebufferEXT(0, 0, width, height, 0, 0, width, height, GL_COLOR_BUFFER_BIT, GL_LINEAR);
if (glState.currentFBO)
id = glState.currentFBO->id;
else
id = 0;
qglBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, id);
qglBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, id);
}
}
GL_Bind(color->tex);
}
/*
===============
R_FBO_CreateEx
===============
*/
/*
===============
R_FBO_CreateEx
===============
*/
fbo_t* R_FBO_CreateEx(const char* name, int numColorBuffers, fboColorBuffer_t** colorBuffers, fboZBuffer_t* depth, fboStencilBuffer_t* stencil)
{
@ -389,11 +392,11 @@ fbo_t* R_FBO_CreateSimple(const char* name, fboColorBuffer_t* color, fboZBuffer_
return R_FBO_CreateEx(name, color != NULL, &color, depth, stencil);
}
/*
===============
R_FBO_CreateDefaultBuffers
===============
*/
/*
===============
R_FBO_CreateDefaultBuffers
===============
*/
static void R_FBO_CreateDefaultBuffers(void)
{
@ -426,11 +429,11 @@ static void R_FBO_CreateDefaultBuffers(void)
ri.Printf(PRINT_DEVELOPER, "...created %d FBOs\n", tr.fbo.numFBOs);
}
/*
===============
R_InitFBOs
===============
*/
/*
===============
R_InitFBOs
===============
*/
void R_InitFBOs(void)
{
@ -456,16 +459,16 @@ void R_InitFBOs(void)
ri.Printf(PRINT_ALL, "MSAA enabled with %d samples (max %d)\n", tr.fbo.samples, maxSamples);
R_FBO_CreateDefaultBuffers();
ri.Printf(PRINT_DEVELOPER, "...created %d FBOs\n", tr.fbo.numFBOs);
R_FBO_Bind(tr.fbo.full[0]);
}
/*
===============
R_ShutDownFBOs
===============
*/
/*
===============
R_ShutDownFBOs
===============
*/
void R_ShutDownFBOs(void)
{

5
reaction/code/renderer/tr_local.h
View file

@ -2757,8 +2757,11 @@ void RB_AddQuadStampExt( vec3_t origin, vec3_t left, vec3_t up, byte *color, flo
void RB_ShowImages( void );
void RB_SetGL2D(void);
void RB_SetGL2D_Ex(int x, int y, int width, int height);
void RB_SetGL2D_Level(int level);
void RB_SetGL2D(void);
void RB_FBO_Blit();
void RB_PostProcess( void );

73
reaction/code/renderer/tr_postprocess.c
View file

@ -209,7 +209,7 @@ static void RB_GodRays(void)
R_FBO_BindColorBuffer(tr.fbo.full[1], 0);
GL_State(GLS_DEPTHTEST_DISABLE | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
mul = 0.5f;
mul = 0.75f;
RB_Color4f(mul, mul, mul, 1.f);
RB_DrawQuad(x, y, w2, h2, 0.f, 0.f, 1.f, 1.f);
@ -217,7 +217,7 @@ static void RB_GodRays(void)
R_FBO_Bind(tr.fbo.quarter[1]);
R_FBO_BindColorBuffer(tr.fbo.quarter[0], 0);
mul = 0.5f;
mul = 0.25f;
RB_Color4f(mul, mul, mul, 1.f);
RB_DrawScaledQuad(x, y, w2, h2, pos[0], pos[1], 1.f);
@ -231,6 +231,9 @@ static void RB_GodRays(void)
R_FBO_Bind(tr.fbo.quarter[0]);
R_FBO_BindColorBuffer(tr.fbo.quarter[1], 0);
mul = 1.f/6.f;
RB_Color4f(mul, mul, mul, 1.f/5.f);
RB_DrawScaledQuad(x, y, w2, h2, pos[0], pos[1], 1.f);
RB_RadialBlur(5, 5.f, x, y, w2, h2, pos[0], pos[1], 1.f);
RB_Color4f(1.f, 1.f, 1.f, 1.f);
@ -245,31 +248,8 @@ static void RB_GodRays(void)
RB_DrawQuad(x, y, w, h, 0.f, 0.f, 1.f, 1.f);
}
static void RB_BlitFBO(void)
void RB_FBO_Set2D(void)
{
R_FBO_Bind(NULL);
RB_Color4f(1.f, 1.f, 1.f, 1.f);
R_FBO_BindColorBuffer(tr.fbo.full[0], 0);
GL_State(GLS_DEPTHTEST_DISABLE | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
RB_DrawQuad(0.f, 0.f, glConfig.vidWidth, glConfig.vidHeight, 0.f, 0.f, 1.f, 1.f);
}
/*
================
RB_PostProcess
================
*/
void RB_PostProcess(void)
{
if (!glState.currentFBO)
return;
RB_DrawQuad = NULL;
RB_Color4f = NULL;
@ -315,7 +295,42 @@ void RB_PostProcess(void)
GL_SelectTexture(0);
RB_Color4f(1.f, 1.f, 1.f, 1.f);
RB_GodRays();
RB_BlitFBO();
}
/*
================
RB_FBO_Blit
================
*/
void RB_FBO_Blit(void)
{
fbo_t* fbo = R_FBO_Bind(NULL);
if (!fbo)
return;
RB_FBO_Set2D();
R_FBO_BindColorBuffer(fbo, 0);
GL_State(GLS_DEPTHTEST_DISABLE | GLS_SRCBLEND_ONE | GLS_DSTBLEND_ZERO );
RB_DrawQuad(0.f, 0.f, glConfig.vidWidth, glConfig.vidHeight, 0.f, 0.f, 1.f, 1.f);
R_FBO_Bind(fbo);
}
/*
================
RB_PostProcess
================
*/
void RB_PostProcess(void)
{
if (!glState.currentFBO)
return;
RB_FBO_Set2D();
RB_GodRays();
}