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[Feat] (MG_Backend/DirectVulkan): inital FBO implementation, and blit framebuffer

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swung0x48
2026-02-17 19:39:10 +08:00
parent 49a18f68e1
commit e132e9edc1
10 changed files with 717 additions and 38 deletions
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MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp
+44 -1
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@@ -8,6 +8,7 @@
#include "DirectVulkan.h"
#include "MG_State/GLState/Core.h"
#include "MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.h"
namespace MobileGL::MG_Backend::DirectVulkan {
UniquePtr<VulkanRenderer> pVulkanRenderer = nullptr;
@@ -16,10 +17,23 @@ namespace MobileGL::MG_Backend::DirectVulkan {
MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::Clear called with null VulkanRenderer");
MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::Clear called with null GL context");
const auto& drawFboSlot = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw);
const auto drawFbo = drawFboSlot.GetBoundObject();
const auto defaultFboInfo = MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo;
const auto defaultFbo = defaultFboInfo ? defaultFboInfo->defaultFBO : nullptr;
const Bool isDefaultFboTarget = (drawFbo == defaultFbo) || (drawFbo == nullptr && defaultFbo != nullptr);
Uint drawFboExternalIndex = 0;
if (drawFbo) {
drawFboExternalIndex = drawFbo->GetExternalIndex();
} else if (defaultFbo) {
drawFboExternalIndex = defaultFbo->GetExternalIndex();
}
const auto& clearColor = MG_State::pGLContext->GetClearColor();
const auto clearDepth = MG_State::pGLContext->GetClearDepth();
const auto clearStencil = static_cast<Uint32>(MG_State::pGLContext->GetClearStencil());
pVulkanRenderer->RequestClear(mask, clearColor, clearDepth, clearStencil);
pVulkanRenderer->RequestClear(mask, clearColor, clearDepth, clearStencil, drawFboExternalIndex,
isDefaultFboTarget);
}
void DrawElements(GLenum mode, GLsizei count, GLenum type, const void* indices) {
@@ -177,5 +191,34 @@ namespace MobileGL::MG_Backend::DirectVulkan {
pVulkanRenderer->DrawArrays(payload);
}
void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
GLint dstY1, GLbitfield mask, GLenum filter) {
MOBILEGL_ASSERT(pVulkanRenderer, "DirectVulkan::BlitFramebuffer called with null VulkanRenderer");
MOBILEGL_ASSERT(MG_State::pGLContext, "DirectVulkan::BlitFramebuffer called with null GL context");
const auto readFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read).GetBoundObject();
const auto drawFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
const auto defaultFboInfo = MG_Impl::GLImpl::FramebufferImpl::pDefaultFramebufferInfo;
const auto defaultFbo = defaultFboInfo ? defaultFboInfo->defaultFBO : nullptr;
const Bool readIsDefault = (readFbo == defaultFbo) || (readFbo == nullptr && defaultFbo != nullptr);
const Bool drawIsDefault = (drawFbo == defaultFbo) || (drawFbo == nullptr && defaultFbo != nullptr);
Uint readFboExternalIndex = 0;
Uint drawFboExternalIndex = 0;
if (readFbo) {
readFboExternalIndex = readFbo->GetExternalIndex();
} else if (defaultFbo) {
readFboExternalIndex = defaultFbo->GetExternalIndex();
}
if (drawFbo) {
drawFboExternalIndex = drawFbo->GetExternalIndex();
} else if (defaultFbo) {
drawFboExternalIndex = defaultFbo->GetExternalIndex();
}
pVulkanRenderer->BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter,
readFboExternalIndex, drawFboExternalIndex, readIsDefault, drawIsDefault);
}
} // namespace MobileGL::MG_Backend::DirectVulkan