OpenGLRenderer: Improve/fix Framebuffer handling

This commit is contained in:
Jérôme Leclercq
2021-09-21 17:37:03 +02:00
parent 78358337f3
commit 4933a389a2
8 changed files with 43 additions and 57 deletions

View File

@@ -13,7 +13,7 @@ namespace Nz
OpenGLFboFramebuffer::OpenGLFboFramebuffer(OpenGLDevice& device, const std::vector<std::shared_ptr<Texture>>& attachments) :
OpenGLFramebuffer(FramebufferType::Texture)
{
if (!m_framebuffer.Create(device))
if (!m_framebuffer.Create(device.GetReferenceContext()))
throw std::runtime_error("failed to create framebuffer object");
std::size_t colorAttachmentCount = 0;
@@ -80,7 +80,7 @@ namespace Nz
void OpenGLFboFramebuffer::Activate() const
{
const GL::Context& context = m_framebuffer.EnsureDeviceContext();
const GL::Context& context = m_framebuffer.EnsureContext();
context.BindFramebuffer(GL::FramebufferTarget::Draw, m_framebuffer.GetObjectId());
}

View File

@@ -12,35 +12,23 @@ namespace Nz
switch (code)
{
// OpenGL/OpenGL ES error codes
case GL_INVALID_ENUM:
return "an unacceptable value is specified for an enumerated argument";
break;
case GL_INVALID_ENUM: return "GL_INVALID_ENUM: an unacceptable value is specified for an enumerated argument";
case GL_INVALID_VALUE: return "GL_INVALID_VALUE: a numeric argument is out of range";
case GL_INVALID_OPERATION: return "GL_INVALID_OPERATION: the specified operation is not allowed in the current state";
case GL_INVALID_FRAMEBUFFER_OPERATION: return "GL_INVALID_FRAMEBUFFER_OPERATION: the framebuffer object is not complete";
case GL_OUT_OF_MEMORY: return "GL_OUT_OF_MEMORY: there is not enough memory left to execute the command";
case GL_INVALID_VALUE:
return "a numeric argument is out of range";
break;
case GL_INVALID_OPERATION:
return "the specified operation is not allowed in the current state";
break;
case GL_INVALID_FRAMEBUFFER_OPERATION:
return "the framebuffer object is not complete";
break;
case GL_OUT_OF_MEMORY:
return "there is not enough memory left to execute the command";
break;
// OpenGL error codes
case GL_STACK_UNDERFLOW:
return "an attempt has been made to perform an operation that would cause an internal stack to underflow.";
break;
case GL_STACK_OVERFLOW:
return "an attempt has been made to perform an operation that would cause an internal stack to overflow.";
break;
// OpenGL error codes
case GL_STACK_UNDERFLOW: return "GL_STACK_UNDERFLOW: an attempt has been made to perform an operation that would cause an internal stack to underflow";
case GL_STACK_OVERFLOW: return "GL_STACK_OVERFLOW: an attempt has been made to perform an operation that would cause an internal stack to overflow";
// Framebuffer error codes
case GL_FRAMEBUFFER_UNDEFINED: return "GL_FRAMEBUFFER_UNDEFINED: default framebuffer does not exist";
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: return "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: some framebuffer attachment points are incomplete";
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: return "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: framebuffer has no image attached to it";
case GL_FRAMEBUFFER_UNSUPPORTED: return "GL_FRAMEBUFFER_UNSUPPORTED: framebuffer internal formats violates an implementation-dependent set of restrictions";
case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: return "GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE: framebuffer mixes multiple samples size for attachements";
case GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS: return "GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS: a framebuffer attachment is layered and a populated attachment is not (or color attachements are not from textures of the same target)";
}
return "Unknown OpenGL error (0x" + NumberToString(code, 16) + ')';

View File

@@ -118,9 +118,13 @@ namespace Nz::GL
}
}
void Context::BindFramebuffer(GLuint fbo) const
GLenum Context::BindFramebuffer(GLuint fbo) const
{
if (m_state.boundDrawFBO != fbo || m_state.boundReadFBO != fbo)
if (m_state.boundDrawFBO == fbo)
return GL_DRAW_FRAMEBUFFER;
else if (m_state.boundReadFBO == fbo)
return GL_READ_FRAMEBUFFER;
else
{
if (!SetCurrentContext(this))
throw std::runtime_error("failed to activate context");
@@ -128,6 +132,7 @@ namespace Nz::GL
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
m_state.boundDrawFBO = fbo;
m_state.boundReadFBO = fbo;
return GL_FRAMEBUFFER;
}
}