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[Feat] (MG_Impl/Texture): implement glTexImage3D in the frontend

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This commit is contained in:
swung0x48
2026-01-04 16:39:14 +08:00
parent 7819a8e405
commit c537f9814c
5 changed files with 137 additions and 26 deletions
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MobileGL/MG_Impl/GLImpl/Texture/GL_Texture.cpp
+128 -18
View File
@@ -68,7 +68,7 @@ namespace MobileGL {
if (!TextureImpl::ValidateTextureUploadTarget(textureUploadingTarget)) return;
if (!TextureImpl::ValidateTextureLevelNumber(level)) return;
if (!TextureImpl::ValidateTextureSizeWithTextureUploadTarget(textureUploadingTarget, width, height)) return;
if (!TextureImpl::ValidateTextureSizeRange(width, height)) return;
if (!TextureImpl::ValidateTextureSizeRange(width, height, 1)) return;
if (!TextureImpl::ValidateTextureLevelWithUploadTarget(textureUploadingTarget, level)) return;
// TODO: GL_INVALID_OPERATION is generated if a non-zero buffer object name is bound to the
@@ -494,24 +494,16 @@ namespace MobileGL {
void TexImage3D_State(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
GLsizei depth, GLint border, GLenum format, GLenum type, const void* pixels) {
// TODO: implement
}
void TexImage2D_State(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
GLint border, GLenum format, GLenum type, const void* pixels) {
MGLOG_D(
"TexImage2D_State called with target: %s, level: %d, internalformat: %s, width: %d, height: %d, "
"border: %d, format: %s, type: %s (%u), pixels: %p",
MG_Util::ConvertTextureUploadTargetToString(MG_Util::ConvertGLEnumToTextureUploadTarget(target))
.c_str(),
"%s called with target: %s, level: %d, internalformat: %s, width: %d, height: %d, depth: %d, "
"border: %d, format: %s, type: %s (%u), pixels: %p", __func__,
MG_Util::ConvertTextureUploadTargetToString(MG_Util::ConvertGLEnumToTextureUploadTarget(target)).c_str(),
level,
MG_Util::ConvertTextureInternalFormatToString(
MG_Util::ConvertGLEnumToTextureInternalFormat(internalformat))
.c_str(),
width, height, border,
MG_Util::ConvertGLEnumToTextureInternalFormat(internalformat)).c_str(),
width, height, depth, border,
MG_Util::ConvertTextureInputFormatToString(MG_Util::ConvertGLEnumToTextureInputFormat(format)).c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(MG_Util::ConvertGLEnumToTexturePixelDataType(type))
.c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(MG_Util::ConvertGLEnumToTexturePixelDataType(type)).c_str(),
type, pixels);
// ======================= Converting ================================
TextureUploadTarget textureUploadingTarget = MG_Util::ConvertGLEnumToTextureUploadTarget(target);
@@ -526,7 +518,124 @@ namespace MobileGL {
if (!TextureImpl::ValidateTextureUploadTarget(textureUploadingTarget)) return;
if (!TextureImpl::ValidateTextureLevelNumber(level)) return;
if (!TextureImpl::ValidateTextureSizeWithTextureUploadTarget(textureUploadingTarget, width, height)) return;
if (!TextureImpl::ValidateTextureSizeRange(width, height)) return;
if (!TextureImpl::ValidateTextureSizeRange(width, height, depth)) return;
if (!TextureImpl::ValidateTextureInternalFormat(textureInternalFormat)) return;
if (!TextureImpl::ValidateTextureBorderNumber(border)) return;
if (!TextureImpl::ValidateTextureInternalFormatCompatibleWithInput(
textureInputFormat, textureInternalFormat, texturePixelDataType))
return;
if (!TextureImpl::ValidateTextureLevelWithUploadTarget(textureUploadingTarget, level)) return;
// TODO: GL_INVALID_OPERATION is generated if a non-zero buffer object name is bound to the
// GL_PIXEL_UNPACK_BUFFER target and the buffer object's data store is currently mapped.
// GL_INVALID_OPERATION is generated if a non-zero buffer object name is bound to the GL_PIXEL_UNPACK_BUFFER
// target and the data would be unpacked from the buffer object such that the memory reads required would
// exceed the data store size.
// GL_INVALID_OPERATION is generated if a non-zero buffer object name is bound to the GL_PIXEL_UNPACK_BUFFER
// target and data is not evenly divisible into the number of bytes needed to store in memory a datum
// indicated by type.
// ======================= Processing ================================
SharedPtr<MG_State::GLState::ITextureObject> textureObject = nullptr;
Bool isProxy = TextureImpl::IsProxyTextureTarget(textureUploadingTarget);
if (isProxy) {
textureObject =
TextureImpl::pProxyTextureManager->CreateOrReplaceProxyTextureObject(textureUploadingTarget);
} else {
auto activeUnit =
MG_State::pGLContext->GetTextureUnitObject(MG_State::pGLContext->GetActiveTextureUnit());
auto& bindingSlot = activeUnit.GetBindingSlot(textureTarget);
textureObject = bindingSlot.GetBoundObject();
}
// ===================== Error Checking ==============================
if (!TextureImpl::ValidateTextureObject(textureObject)) return;
// ======================= Processing ================================
SizeT imageSize = 0;
const SizeT inputBpp = MG_Util::GetInputBytesPerPixel(textureInputFormat, texturePixelDataType);
const SizeT internalBpp = MG_Util::GetInternalBytesPerPixel(textureInternalFormat, texturePixelDataType);
const SizeT internalBytes = width * height * depth * internalBpp;
textureObject->SetInternalFormat(textureInternalFormat);
// if isProxy, no more pixel transfer needed below
if (isProxy) return;
const void* originalPixels = pixels;
// PBO
const auto& pixelUnpackBufferObject =
MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::PixelUnpack).GetBoundObject();
if (pixelUnpackBufferObject) {
MGLOG_D("%s: Using Pixel Unpack Buffer Object ID: %u", __func__,
pixelUnpackBufferObject->GetExternalIndex());
originalPixels = reinterpret_cast<const char*>(pixelUnpackBufferObject->GetDataReadOnly()->data()) +
reinterpret_cast<SizeT>(pixels);
}
MOBILEGL_ASSERT(nullptr != dynamic_cast<MG_State::GLState::TextureObjectMipmap*>(textureObject.get()),
"Texture object here should always be an object with mipmap");
auto textureMipmapObject = static_cast<MG_State::GLState::TextureObjectMipmap*>(textureObject.get());
// Allocate in TextureObject
textureMipmapObject->AllocateStorage(textureUploadingTarget, level, {{width, height, depth}, internalBytes});
if (!originalPixels) {
MGLOG_D("%s: No input pixel and no PBO bound, no pixel transfer", __func__);
return;
}
void* processedPixels = nullptr;
processedPixels = MG_Util::PixelStoreProcessor::ProcessTexturePixelsDataUnpack(
originalPixels, MG_State::pGLContext->GetPixelStoreParameters(true), textureInternalFormat,
textureInputFormat, texturePixelDataType, {width, height, depth}, false, imageSize);
if (processedPixels && imageSize > 0) {
if (imageSize != internalBytes) {
MGLOG_W("%s: Processed pixel data size (%zu) does not match expected size (%zu). "
"This may indicate an alignment or processing issue.", __func__,
imageSize, internalBytes);
}
const SizeT copySize = std::min(imageSize, internalBytes);
DataPtr texelInput{processedPixels, copySize};
textureMipmapObject->UpdateMipmapSubData(textureUploadingTarget, level, texelInput);
}
textureMipmapObject->MarkStorageDirty(textureUploadingTarget, level, true);
free(processedPixels);
}
void TexImage2D_State(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height,
GLint border, GLenum format, GLenum type, const void* pixels) {
MGLOG_D(
"%s called with target: %s, level: %d, internalformat: %s, width: %d, height: %d, "
"border: %d, format: %s, type: %s (%u), pixels: %p", __func__,
MG_Util::ConvertTextureUploadTargetToString(MG_Util::ConvertGLEnumToTextureUploadTarget(target)).c_str(),
level,
MG_Util::ConvertTextureInternalFormatToString(
MG_Util::ConvertGLEnumToTextureInternalFormat(internalformat)).c_str(),
width, height, border,
MG_Util::ConvertTextureInputFormatToString(MG_Util::ConvertGLEnumToTextureInputFormat(format)).c_str(),
MG_Util::ConvertTexturePixelDataTypeToString(MG_Util::ConvertGLEnumToTexturePixelDataType(type)).c_str(),
type, pixels);
// ======================= Converting ================================
TextureUploadTarget textureUploadingTarget = MG_Util::ConvertGLEnumToTextureUploadTarget(target);
TextureTarget textureTarget = MG_Util::ConvertGLEnumToTextureTarget(target);
TextureInputFormat textureInputFormat = MG_Util::ConvertGLEnumToTextureInputFormat(format);
TexturePixelDataType texturePixelDataType = MG_Util::ConvertGLEnumToTexturePixelDataType(type);
TextureInternalFormat textureInternalFormat = MG_Util::ConvertGLEnumToTextureInternalFormat(internalformat);
// ===================== Error Checking ==============================
if (!TextureImpl::ValidateTexturePixelDataType(texturePixelDataType)) return;
if (!TextureImpl::ValidateTextureInputFormat(textureInputFormat)) return;
if (!TextureImpl::ValidateTextureUploadTarget(textureUploadingTarget)) return;
if (!TextureImpl::ValidateTextureLevelNumber(level)) return;
if (!TextureImpl::ValidateTextureSizeWithTextureUploadTarget(textureUploadingTarget, width, height)) return;
if (!TextureImpl::ValidateTextureSizeRange(width, height, 1)) return;
if (!TextureImpl::ValidateTextureInternalFormat(textureInternalFormat)) return;
if (!TextureImpl::ValidateTextureBorderNumber(border)) return;
if (!TextureImpl::ValidateTextureInternalFormatCompatibleWithInput(
@@ -577,7 +686,7 @@ namespace MobileGL {
const auto& pixelUnpackBufferObject =
MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::PixelUnpack).GetBoundObject();
if (pixelUnpackBufferObject) {
MGLOG_D("TexImage2D_State: Using Pixel Unpack Buffer Object ID: %u",
MGLOG_D("%s: Using Pixel Unpack Buffer Object ID: %u", __func__,
pixelUnpackBufferObject->GetExternalIndex());
originalPixels = reinterpret_cast<const char*>(pixelUnpackBufferObject->GetDataReadOnly()->data()) +
reinterpret_cast<SizeT>(pixels);
@@ -591,7 +700,7 @@ namespace MobileGL {
textureMipmapObject->AllocateStorage(textureUploadingTarget, level, {{width, height, 1}, internalBytes});
if (!originalPixels) {
MGLOG_D("TexImage2D_State: No input pixel and no PBO bound, no pixel transfer");
MGLOG_D("%s: No input pixel and no PBO bound, no pixel transfer", __func__);
return;
}
@@ -1153,6 +1262,7 @@ namespace MobileGL {
}
void BindTexture_State(GLenum target, GLuint texture) {
// TODO: deal with condition where texture == 0
MGLOG_D("BindTexture_State called with target: 0x%X, texture: %u", target, texture);
// ======================= Converting ================================
TextureTarget textureTarget = MG_Util::ConvertGLEnumToTextureTarget(target);
MobileGL/MG_Impl/GLImpl/Texture/Validators.cpp
+2 -2
View File
@@ -134,8 +134,8 @@ namespace MobileGL::MG_Impl::GLImpl {
return true;
}
Bool ValidateTextureSizeRange(SizeT width, SizeT height) {
if (width < 0 || height < 0) {
Bool ValidateTextureSizeRange(SizeT width, SizeT height, SizeT depth) {
if (width < 0 || height < 0 || depth < 0) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", "ValidateTextureSizeRange",
MobileGL/MG_Impl/GLImpl/Texture/Validators.h
+1 -1
View File
@@ -19,7 +19,7 @@ namespace MobileGL::MG_Impl::GLImpl {
Bool ValidateTexturePixelDataType(TexturePixelDataType texturePixelDataType);
Bool ValidateTextureLevelNumber(Int level);
Bool ValidateTextureSizeWithTextureUploadTarget(TextureUploadTarget target, GLsizei width, GLsizei height);
Bool ValidateTextureSizeRange(SizeT width, SizeT height);
Bool ValidateTextureSizeRange(SizeT width, SizeT height, SizeT depth);
Bool ValidateTextureInternalFormat(TextureInternalFormat format);
Bool ValidateTextureBorderNumber(Int border);
Bool ValidateTextureInternalFormatCompatibleWithInput(TextureInputFormat format, TextureInternalFormat internalFormat,