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OpenGL storage reuse with glBufferSubData

This commit is contained in:
Jack Andersen 2016-01-07 14:04:37 -10:00
parent 45fb66540f
commit 5485e7d2b1
2 changed files with 55 additions and 57 deletions
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69
lib/graphicsdev/GL.cpp
View File

@ -66,16 +66,20 @@ class GLGraphicsBufferD : public IGraphicsBufferD
{
friend class GLDataFactory;
friend struct GLCommandQueue;
struct GLCommandQueue* m_q;
GLuint m_bufs[3];
GLenum m_target;
std::unique_ptr<uint8_t[]> m_cpuBuf;
size_t m_cpuSz = 0;
int m_validMask = 0;
GLGraphicsBufferD(GLCommandQueue* q, BufferUse use, size_t sz)
: m_q(q), m_target(USE_TABLE[int(use)]), m_cpuBuf(new uint8_t[sz]), m_cpuSz(sz)
GLGraphicsBufferD(BufferUse use, size_t sz)
: m_target(USE_TABLE[int(use)]), m_cpuBuf(new uint8_t[sz]), m_cpuSz(sz)
{
glGenBuffers(3, m_bufs);
for (int i=0 ; i<3 ; ++i)
{
glBindBuffer(m_target, m_bufs[i]);
glBufferData(m_target, m_cpuSz, nullptr, GL_STREAM_DRAW);
}
}
void update(int b);
public:
@ -193,7 +197,6 @@ class GLTextureD : public ITextureD
{
friend class GLDataFactory;
friend struct GLCommandQueue;
struct GLCommandQueue* m_q;
GLuint m_texs[3];
std::unique_ptr<uint8_t[]> m_cpuBuf;
size_t m_cpuSz = 0;
@ -201,7 +204,7 @@ class GLTextureD : public ITextureD
size_t m_width = 0;
size_t m_height = 0;
int m_validMask = 0;
GLTextureD(GLCommandQueue* q, size_t width, size_t height, TextureFormat fmt);
GLTextureD(size_t width, size_t height, TextureFormat fmt);
void update(int b);
public:
~GLTextureD();
@ -223,6 +226,7 @@ class GLTextureR : public ITextureR
size_t m_width = 0;
size_t m_height = 0;
size_t m_samples = 0;
GLenum m_target;
GLTextureR(GLCommandQueue* q, size_t width, size_t height, size_t samples);
public:
~GLTextureR();
@ -230,17 +234,28 @@ public:
void bind(size_t idx) const
{
glActiveTexture(GL_TEXTURE0 + idx);
glBindTexture(GL_TEXTURE_2D, m_texs[0]);
glBindTexture(m_target, m_texs[0]);
}
void resize(size_t width, size_t height)
{
m_width = width;
m_height = height;
glBindTexture(GL_TEXTURE_2D, m_texs[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glBindTexture(GL_TEXTURE_2D, m_texs[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, width, height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
if (m_samples > 1)
{
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_texs[0]);
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, m_samples, GL_RGBA, width, height, GL_FALSE);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_texs[1]);
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, m_samples, GL_DEPTH_COMPONENT24, width, height, GL_FALSE);
}
else
{
glBindTexture(GL_TEXTURE_2D, m_texs[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glBindTexture(GL_TEXTURE_2D, m_texs[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, width, height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
}
}
};
@ -1142,7 +1157,7 @@ void GLGraphicsBufferD::update(int b)
if ((slot & m_validMask) == 0)
{
glBindBuffer(m_target, m_bufs[b]);
glBufferData(m_target, m_cpuSz, m_cpuBuf.get(), GL_DYNAMIC_DRAW);
glBufferSubData(m_target, 0, m_cpuSz, m_cpuBuf.get());
m_validMask |= slot;
}
}
@ -1173,18 +1188,17 @@ void GLGraphicsBufferD::bindUniform(size_t idx, int b)
IGraphicsBufferD*
GLDataFactory::newDynamicBuffer(BufferUse use, size_t stride, size_t count)
{
GLCommandQueue* q = static_cast<GLCommandQueue*>(m_parent->getCommandQueue());
GLGraphicsBufferD* retval = new GLGraphicsBufferD(q, use, stride * count);
GLGraphicsBufferD* retval = new GLGraphicsBufferD(use, stride * count);
if (!m_deferredData.get())
m_deferredData.reset(new struct GLData());
m_deferredData->m_DBufs.emplace_back(retval);
return retval;
}
GLTextureD::GLTextureD(GLCommandQueue* q, size_t width, size_t height, TextureFormat fmt)
: m_q(q), m_width(width), m_height(height)
GLTextureD::GLTextureD(size_t width, size_t height, TextureFormat fmt)
: m_width(width), m_height(height)
{
int pxPitch;
int pxPitch = 4;
switch (fmt)
{
case TextureFormat::RGBA8:
@ -1250,8 +1264,7 @@ void GLTextureD::bind(size_t idx, int b)
ITextureD*
GLDataFactory::newDynamicTexture(size_t width, size_t height, TextureFormat fmt)
{
GLCommandQueue* q = static_cast<GLCommandQueue*>(m_parent->getCommandQueue());
GLTextureD* retval = new GLTextureD(q, width, height, fmt);
GLTextureD* retval = new GLTextureD(width, height, fmt);
if (!m_deferredData.get())
m_deferredData.reset(new struct GLData());
m_deferredData->m_DTexs.emplace_back(retval);
@ -1262,10 +1275,22 @@ GLTextureR::GLTextureR(GLCommandQueue* q, size_t width, size_t height, size_t sa
: m_q(q), m_width(width), m_height(height), m_samples(samples)
{
glGenTextures(2, m_texs);
glBindTexture(GL_TEXTURE_2D, m_texs[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glBindTexture(GL_TEXTURE_2D, m_texs[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, width, height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
if (samples > 1)
{
m_target = GL_TEXTURE_2D_MULTISAMPLE;
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_texs[0]);
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, samples, GL_RGBA, width, height, GL_FALSE);
glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, m_texs[1]);
glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, samples, GL_DEPTH_COMPONENT24, width, height, GL_FALSE);
}
else
{
m_target = GL_TEXTURE_2D;
glBindTexture(GL_TEXTURE_2D, m_texs[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glBindTexture(GL_TEXTURE_2D, m_texs[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, width, height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, nullptr);
}
m_q->addFBO(this);
}
GLTextureR::~GLTextureR() {glDeleteTextures(2, m_texs); m_q->delFBO(this);}

43
lib/mac/ApplicationCocoa.mm
View File

@ -16,7 +16,6 @@ namespace boo {class ApplicationCocoa;}
{
boo::ApplicationCocoa* m_app;
@public
NSPanel* aboutPanel;
}
- (id)initWithApp:(boo::ApplicationCocoa*)app;
@end
@ -69,36 +68,20 @@ public:
[[NSApplication sharedApplication] setDelegate:m_appDelegate];
/* App menu */
NSMenu* appMenu = [[NSMenu alloc] initWithTitle:@"main"];
NSMenu* rwkMenu = [[NSMenu alloc] initWithTitle:[NSString stringWithUTF8String:m_friendlyName.c_str()]];
[rwkMenu addItemWithTitle:[NSString stringWithFormat:@"About %s", m_friendlyName.c_str()]
action:@selector(aboutApp:)
keyEquivalent:@""];
NSMenuItem* fsItem = [rwkMenu addItemWithTitle:@"Toggle Full Screen"
NSMenu* rootMenu = [[NSMenu alloc] initWithTitle:@"main"];
NSMenu* appMenu = [[NSMenu alloc] initWithTitle:[NSString stringWithUTF8String:m_friendlyName.c_str()]];
NSMenuItem* fsItem = [appMenu addItemWithTitle:@"Toggle Full Screen"
action:@selector(toggleFs:)
keyEquivalent:@"f"];
[fsItem setKeyEquivalentModifierMask:NSCommandKeyMask];
[rwkMenu addItem:[NSMenuItem separatorItem]];
NSMenuItem* quit_item = [rwkMenu addItemWithTitle:[NSString stringWithFormat:@"Quit %s", m_friendlyName.c_str()]
[appMenu addItem:[NSMenuItem separatorItem]];
NSMenuItem* quit_item = [appMenu addItemWithTitle:[NSString stringWithFormat:@"Quit %s", m_friendlyName.c_str()]
action:@selector(quitApp:)
keyEquivalent:@"q"];
[quit_item setKeyEquivalentModifierMask:NSCommandKeyMask];
[[appMenu addItemWithTitle:[NSString stringWithUTF8String:m_friendlyName.c_str()]
action:nil keyEquivalent:@""] setSubmenu:rwkMenu];
[[NSApplication sharedApplication] setMainMenu:appMenu];
/* About panel */
NSRect aboutCr = NSMakeRect(0, 0, 300, 220);
aboutPanel = [[NSPanel alloc] initWithContentRect:aboutCr
styleMask:NSUtilityWindowMask|NSTitledWindowMask|NSClosableWindowMask
backing:NSBackingStoreBuffered defer:YES];
[aboutPanel setTitle:[NSString stringWithFormat:@"About %s", m_friendlyName.c_str()]];
NSText* aboutText = [[NSText alloc] initWithFrame:aboutCr];
[aboutText setEditable:NO];
[aboutText setAlignment:NSCenterTextAlignment];
[aboutText setString:@"\nBoo Authors\n\nJackoalan\nAntidote\n"];
[aboutPanel setContentView:aboutText];
m_appDelegate->aboutPanel = aboutPanel;
[[rootMenu addItemWithTitle:[NSString stringWithUTF8String:m_friendlyName.c_str()]
action:nil keyEquivalent:@""] setSubmenu:appMenu];
[[NSApplication sharedApplication] setMainMenu:rootMenu];
/* Determine which graphics API to use */
#if BOO_HAS_METAL
@ -245,16 +228,6 @@ int ApplicationRun(IApplication::EPlatformType platform,
(void)sender;
return YES;
}
- (IBAction)aboutApp:(id)sender
{
(void)sender;
NSRect screenFrame = [[aboutPanel screen] frame];
CGFloat xPos = NSWidth(screenFrame)/2 - 300/2;
CGFloat yPos = NSHeight(screenFrame)/2 - 220/2;
NSRect aboutCr = NSMakeRect(xPos, yPos, 300, 220);
[aboutPanel setFrame:aboutCr display:NO];
[aboutPanel makeKeyAndOrderFront:self];
}
- (IBAction)toggleFs:(id)sender
{
(void)sender;