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[Feat] (MG_Backend/DirectGLES): implement glGenerateMipmap

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swung0x48
2025-11-17 17:36:42 +08:00
parent 0139cabfbc
commit 55db06bf5c
3 changed files with 49 additions and 13 deletions
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MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
+43 -10
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@@ -112,6 +112,19 @@ namespace MobileGL::MG_Backend::DirectGLES {
} // namespace VertexArrayImpl } // namespace VertexArrayImpl
namespace TextureImpl { namespace TextureImpl {
SharedPtr<BackendTextureObject> SyncTextureObjectToBackend(SharedPtr<MG_State::GLState::ITextureObject>& textureObject) {
const auto& backendTextureIt = g_backendTextureObjects.find(textureObject);
SharedPtr<BackendTextureObject> backendTextureObject;
if (backendTextureIt == g_backendTextureObjects.end()) {
backendTextureObject = MakeShared<BackendTextureObject>();
g_backendTextureObjects[textureObject] = backendTextureObject;
} else {
backendTextureObject = backendTextureIt->second;
}
backendTextureObject->SyncToBackend(textureObject);
return backendTextureObject;
}
void SyncNeccessaryTextures() { void SyncNeccessaryTextures() {
// All textures we need are: // All textures we need are:
// 1. textures bound to texture units (TODO: only sync ones that are used in current program) // 1. textures bound to texture units (TODO: only sync ones that are used in current program)
@@ -144,15 +157,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
// Do real sync // Do real sync
for (auto& textureObject : texturesToSync) { for (auto& textureObject : texturesToSync) {
const auto& backendTextureIt = g_backendTextureObjects.find(textureObject); SyncTextureObjectToBackend(textureObject);
SharedPtr<BackendTextureObject> backendTextureObject;
if (backendTextureIt == g_backendTextureObjects.end()) {
backendTextureObject = MakeShared<BackendTextureObject>();
g_backendTextureObjects[textureObject] = backendTextureObject;
} else {
backendTextureObject = backendTextureIt->second;
}
backendTextureObject->SyncToBackend(textureObject);
} }
} }
} // namespace TextureImpl } // namespace TextureImpl
@@ -486,14 +491,30 @@ namespace MobileGL::MG_Backend::DirectGLES {
void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, void BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1,
GLint dstY1, GLbitfield mask, GLenum filter) { GLint dstY1, GLbitfield mask, GLenum filter) {
DebugImpl::ErrorLopper errorLopper;
TextureImpl::SyncNeccessaryTextures(); TextureImpl::SyncNeccessaryTextures();
errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
});
FramebufferImpl::SyncCurrentFBO(); FramebufferImpl::SyncCurrentFBO();
errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
});
RenderStateImpl::SyncRenderState(); RenderStateImpl::SyncRenderState();
errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
});
BindCurrentFBO(FramebufferTarget::Draw); BindCurrentFBO(FramebufferTarget::Draw);
BindCurrentFBO(FramebufferTarget::Read); BindCurrentFBO(FramebufferTarget::Read);
errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
});
MG_External::GLES::glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter); MG_External::GLES::glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
errorLopper.Loop([file = __FILE__, line = __LINE__](auto err) {
MGLOG_D("ES error (%s:%d): %s", file, line, MG_Util::ConvertGLEnumToString(err).c_str());
});
} }
void CopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, void CopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width,
@@ -662,6 +683,18 @@ namespace MobileGL::MG_Backend::DirectGLES {
} }
} }
void GenerateMipmap(GLenum target) {
auto unitIndex = MG_State::pGLContext->GetActiveTextureUnit();
auto& unit = MG_State::pGLContext->GetTextureUnitObject(unitIndex);
auto& slot = unit.GetBindingSlot(MG_Util::ConvertGLEnumToTextureTarget(target));
auto texture = slot.GetBoundObject();
auto backendTexture = TextureImpl::SyncTextureObjectToBackend(texture);
TextureImpl::BackendTextureBindingProtector protector(target);
backendTexture->Bind(target);
MG_External::GLES::glGenerateMipmap(target);
}
const GLubyte* GetString(GLenum name) { const GLubyte* GetString(GLenum name) {
return MG_External::GLES::glGetString(name); return MG_External::GLES::glGetString(name);
} }
MobileGL/MG_Backend/DirectGLES/DirectGLES.h
+1
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@@ -20,5 +20,6 @@ namespace MobileGL::MG_Backend::DirectGLES {
GLsizei height, GLint border); GLsizei height, GLint border);
void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, void CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y,
GLsizei width, GLsizei height); GLsizei width, GLsizei height);
void GenerateMipmap(GLenum target);
const GLubyte* GetString(GLenum name); const GLubyte* GetString(GLenum name);
} // namespace MobileGL::MG_Backend::DirectGLES } // namespace MobileGL::MG_Backend::DirectGLES
MobileGL/MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.cpp
+5 -3
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@@ -46,8 +46,10 @@ namespace MobileGL {
// TODO: implement // TODO: implement
} }
void GenerateMipmap_State(GLenum target) { void GenerateMipmap_Backend(GLenum target) {
// TODO: implement #if MOBILEGL_BACKEND == MOBILEGL_BACKEND_TYPE_DIRECT_GLES
MG_Backend::DirectGLES::GenerateMipmap(target);
#endif
} }
void GenRenderbuffers_State(GLsizei n, GLuint* renderbuffers) { void GenRenderbuffers_State(GLsizei n, GLuint* renderbuffers) {
@@ -325,7 +327,7 @@ namespace MobileGL {
} }
void GenerateMipmap(GLenum target) { void GenerateMipmap(GLenum target) {
GenerateMipmap_State(target); GenerateMipmap_Backend(target);
} }
void GenRenderbuffers(GLsizei n, GLuint* renderbuffers) { void GenRenderbuffers(GLsizei n, GLuint* renderbuffers) {