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OGL: Fix changing MSAA mode during emulation. 

Fixes issue 4469.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7525 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
NeoBrainX 2011-05-07 22:00:05 +00:00
parent 423db843b7
commit e29e317580
1 changed files with 64 additions and 54 deletions
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116
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
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@ -118,6 +118,7 @@ static File::IOFile f_pFrameDump;
// 1 for no MSAA. Use s_MSAASamples > 1 to check for MSAA.
static int s_MSAASamples = 1;
static int s_MSAACoverageSamples = 0;
static int s_LastMultisampleMode = 0;
bool s_bHaveFramebufferBlit = false; // export to FramebufferManager.cpp
static bool s_bHaveCoverageMSAA = false;
@ -191,6 +192,55 @@ void HandleCgError(CGcontext ctx, CGerror err, void* appdata)
}
#endif
int GetNumMSAASamples(int MSAAMode)
{
// required for MSAA
if (!s_bHaveFramebufferBlit)
return 1;
switch (MSAAMode)
{
case MULTISAMPLE_OFF:
return 1;
case MULTISAMPLE_2X:
return 2;
case MULTISAMPLE_4X:
case MULTISAMPLE_CSAA_8X:
case MULTISAMPLE_CSAA_16X:
return 4;
case MULTISAMPLE_8X:
case MULTISAMPLE_CSAA_8XQ:
case MULTISAMPLE_CSAA_16XQ:
return 8;
default:
return 1;
}
}
int GetNumMSAACoverageSamples(int MSAAMode)
{
if (!s_bHaveCoverageMSAA)
return 0;
switch (g_ActiveConfig.iMultisampleMode)
{
case MULTISAMPLE_CSAA_8X:
case MULTISAMPLE_CSAA_8XQ:
return 8;
case MULTISAMPLE_CSAA_16X:
case MULTISAMPLE_CSAA_16XQ:
return 16;
default:
return 0;
}
}
// Init functions
Renderer::Renderer()
{
@ -198,51 +248,11 @@ Renderer::Renderer()
OSDInternalH = 0;
s_fps=0;
s_blendMode = 0;
#if defined _WIN32 || defined HAVE_LIBAV
s_bAVIDumping = false;
#endif
bool bSuccess = true;
s_blendMode = 0;
s_MSAACoverageSamples = 0;
GLint numvertexattribs = 0;
switch (g_ActiveConfig.iMultisampleMode)
{
case MULTISAMPLE_OFF:
s_MSAASamples = 1;
break;
case MULTISAMPLE_2X:
s_MSAASamples = 2;
break;
case MULTISAMPLE_4X:
s_MSAASamples = 4;
break;
case MULTISAMPLE_8X:
s_MSAASamples = 8;
break;
case MULTISAMPLE_CSAA_8X:
s_MSAASamples = 4;
s_MSAACoverageSamples = 8;
break;
case MULTISAMPLE_CSAA_8XQ:
s_MSAASamples = 8;
s_MSAACoverageSamples = 8;
break;
case MULTISAMPLE_CSAA_16X:
s_MSAASamples = 4;
s_MSAACoverageSamples = 16;
break;
case MULTISAMPLE_CSAA_16XQ:
s_MSAASamples = 8;
s_MSAACoverageSamples = 16;
break;
default:
s_MSAASamples = 1;
break;
}
#if defined HAVE_CG && HAVE_CG
g_cgcontext = cgCreateContext();
cgGetError();
@ -268,6 +278,8 @@ Renderer::Renderer()
glGetString(GL_RENDERER),
glGetString(GL_VERSION)).c_str(), 5000);
bool bSuccess = true;
GLint numvertexattribs = 0;
glGetIntegerv(GL_MAX_VERTEX_ATTRIBS, &numvertexattribs);
if (numvertexattribs < 11)
{
@ -299,17 +311,11 @@ Renderer::Renderer()
}
s_bHaveFramebufferBlit = strstr(ptoken, "GL_EXT_framebuffer_blit") != NULL;
if (!s_bHaveFramebufferBlit)
{
// MSAA ain't gonna work. turn it off if enabled.
s_MSAASamples = 1;
}
s_bHaveCoverageMSAA = strstr(ptoken, "GL_NV_framebuffer_multisample_coverage") != NULL;
if (!s_bHaveCoverageMSAA)
{
s_MSAACoverageSamples = 0;
}
s_LastMultisampleMode = g_ActiveConfig.iMultisampleMode;
s_MSAASamples = GetNumMSAASamples(s_LastMultisampleMode);
s_MSAACoverageSamples = GetNumMSAACoverageSamples(s_LastMultisampleMode);
if (!bSuccess)
return; // TODO: fail
@ -1295,14 +1301,18 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
s_LastEFBScale = g_ActiveConfig.iEFBScale;
}
if (xfbchanged || WindowResized)
if (xfbchanged || WindowResized || (s_LastMultisampleMode != g_ActiveConfig.iMultisampleMode))
{
ComputeDrawRectangle(s_backbuffer_width, s_backbuffer_height, false, &dst_rect);
CalculateXYScale(dst_rect);
if (CalculateTargetSize())
if (CalculateTargetSize() || (s_LastMultisampleMode != g_ActiveConfig.iMultisampleMode))
{
s_LastMultisampleMode = g_ActiveConfig.iMultisampleMode;
s_MSAASamples = GetNumMSAASamples(s_LastMultisampleMode);
s_MSAACoverageSamples = GetNumMSAACoverageSamples(s_LastMultisampleMode);
delete g_framebuffer_manager;
g_framebuffer_manager = new FramebufferManager(s_target_width, s_target_height,
s_MSAASamples, s_MSAACoverageSamples);