swung0x48/MobileGL
1
0
Fork 0
mirror of https://github.com/MobileGL-Dev/MobileGL synced 2026-09-11 05:38:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
swung0x48
2026-02-17 19:39:10 +08:00
parent 49a18f68e1
commit e132e9edc1
10 changed files with 717 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MobileGL/MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.cpp
+66
View File
@@ -19,6 +19,9 @@
#if MOBILEGL_BACKEND == MOBILEGL_BACKEND_TYPE_DIRECT_GLES
#include <MG_Backend/DirectGLES/DirectGLES.h>
#endif
#if MOBILEGL_BACKEND == MOBILEGL_BACKEND_TYPE_DIRECT_VULKAN
#include <MG_Backend/DirectVulkan/DirectVulkan.h>
#endif
namespace MobileGL {
namespace MG_Impl::GLImpl {
@@ -27,9 +30,69 @@ namespace MobileGL {
#if MOBILEGL_BACKEND == MOBILEGL_BACKEND_TYPE_DIRECT_GLES
MG_Backend::DirectGLES::BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask,
filter);
#elif MOBILEGL_BACKEND == MOBILEGL_BACKEND_TYPE_DIRECT_VULKAN
MG_Backend::DirectVulkan::BlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask,
filter);
#endif
}
Bool BlitFramebuffer_State(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0,
GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter) {
(void)srcX0;
(void)srcY0;
(void)srcX1;
(void)srcY1;
(void)dstX0;
(void)dstY0;
(void)dstX1;
(void)dstY1;
constexpr GLbitfield kSupportedMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
if ((mask & kSupportedMask) == 0 || (mask & ~kSupportedMask) != 0) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`mask` must contain COLOR/DEPTH/STENCIL bits only."));
return false;
}
if (filter != GL_NEAREST && filter != GL_LINEAR) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidEnum,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`filter` must be GL_NEAREST or GL_LINEAR."));
return false;
}
if ((mask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0 && filter != GL_NEAREST) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"Depth/stencil blit requires GL_NEAREST filter."));
return false;
}
const auto readFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read).GetBoundObject();
const auto drawFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
if (!readFbo || !drawFbo) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"Read/draw framebuffer binding is null."));
return false;
}
if (!readFbo->CheckCompleteness() || !drawFbo->CheckCompleteness()) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidFramebufferOperation,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"Read/draw framebuffer is incomplete."));
return false;
}
return true;
}
void SampleMaski_State(GLuint maskNumber, GLbitfield mask) {
// TODO: implement
}
@@ -748,6 +811,9 @@ namespace MobileGL {
void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
GLint dstY1, GLbitfield mask, GLenum filter) {
if (!BlitFramebuffer_State(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter)) {
return;
}
BlitFramebuffer_Backend(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}