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This commit is contained in:
Isuru Samarathunga
2025-10-15 09:27:19 +05:30
parent 0f557eb010
commit f742dcfaff
8 changed files with 87 additions and 58 deletions
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88
Engine/Src/Imp/CPP/ResourceManager.cpp
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@ -28,11 +28,9 @@
namespace ia::iae
{
Vector<SDL_GPUTexture *> ResourceManager::s_imageHandles;
Map<String, Handle> ResourceManager::s_images;
Map<String, Handle> ResourceManager::s_sounds;
Map<Handle, UINT64> ResourceManager::s_imageExtents;
Map<Handle, UINT64> ResourceManager::s_nonScaledImageExtents;
Vector<ResourceManager::ImageResource> ResourceManager::s_imageHandles;
VOID ResourceManager::Initialize()
{
@ -47,7 +45,7 @@ namespace ia::iae
VOID ResourceManager::Terminate()
{
for (const auto &t : s_images)
GPUResourceManager::DestroyTexture(s_imageHandles[t->Value]);
GPUResourceManager::DestroyTexture(s_imageHandles[t->Value].Handle);
for (const auto &t : s_sounds)
AudioManager::DestoryAudio(t->Value);
}
@ -65,11 +63,15 @@ namespace ia::iae
{
const auto texture = GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER, width, height, rgbaData,
SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM);
s_imageHandles.pushBack(texture);
s_imageHandles.pushBack(ImageResource{.OriginalWidth = width,
.OriginalHeight = height,
.OriginalPixelData = new UINT8[width * height * 4],
.Width = width,
.Height = height,
.Handle = texture});
ia_memcpy(s_imageHandles.back().OriginalPixelData, rgbaData, width * height * 4);
Handle handle = s_imageHandles.size() - 1;
s_images[name] = handle;
s_imageExtents[handle] = (((UINT64) width) << 32) | height;
s_nonScaledImageExtents[handle] = s_imageExtents[handle];
return handle;
}
@ -114,8 +116,8 @@ namespace ia::iae
VOID ResourceManager::DestroyImage(IN Handle image)
{
GPUResourceManager::DestroyTexture(s_imageHandles[image]);
s_imageHandles[image] = nullptr;
GPUResourceManager::DestroyTexture(s_imageHandles[image].Handle);
s_imageHandles[image] = {};
}
VOID ResourceManager::DestroySound(IN Handle sound)
@ -125,23 +127,38 @@ namespace ia::iae
IVec2 ResourceManager::GetImageExtent(IN Handle image)
{
const auto t = s_imageExtents[image];
return {(INT32) (t >> 32), (INT32) t};
const auto t = s_imageHandles[image];
return {t.Width, t.Height};
}
Handle ResourceManager::ResizeImage(IN Handle image, IN INT32 newWidth, IN INT32 newHeight)
IVec2 ResourceManager::GetImageOriginalExtent(IN Handle image)
{
const auto currentExtent = GetImageExtent(image);
const auto pixelData =
GPUResourceManager::GetTexturePixelData(s_imageHandles[image], currentExtent.x, currentExtent.y);
const auto t = s_imageHandles[image];
return {t.OriginalWidth, t.OriginalHeight};
}
Handle ResourceManager::RescaleImage(IN Handle image, IN Vec2 factor)
{
if (!s_imageHandles[image].OriginalPixelData)
return image;
const auto newWidth = (INT32) (s_imageHandles[image].OriginalWidth * factor.x);
const auto newHeight = (INT32) (s_imageHandles[image].OriginalHeight * factor.y);
if (!newWidth || !newHeight ||
((newWidth <= s_imageHandles[image].OriginalWidth) && (newHeight <= s_imageHandles[image].OriginalHeight)))
return image;
const auto newPixelData =
stbir_resize_uint8_linear(pixelData.data(), currentExtent.x, currentExtent.y, currentExtent.x * 4, nullptr,
newWidth, newHeight, newWidth * 4, stbir_pixel_layout::STBIR_RGBA);
stbir_resize_uint8_linear(s_imageHandles[image].OriginalPixelData, s_imageHandles[image].OriginalWidth,
s_imageHandles[image].OriginalHeight, s_imageHandles[image].OriginalWidth * 4,
nullptr, newWidth, newHeight, newWidth * 4, stbir_pixel_layout::STBIR_RGBA);
const auto texture = GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER, newWidth, newHeight,
newPixelData, SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM);
s_imageExtents[image] = (((UINT64) newWidth) << 32) | newHeight;
GPUResourceManager::DestroyTexture(s_imageHandles[image]);
s_imageHandles[image] = texture;
GPUResourceManager::DestroyTexture(s_imageHandles[image].Handle);
s_imageHandles[image].Handle = texture;
s_imageHandles[image].Width = newWidth;
s_imageHandles[image].Height = newHeight;
free(newPixelData);
return image;
}
@ -153,24 +170,24 @@ namespace ia::iae
const auto h = unitHeight * unitCountY;
Vector<SDL_GPUTexture *> textures;
for (const auto &t : images)
textures.pushBack(s_imageHandles[t]);
textures.pushBack(s_imageHandles[t].Handle);
const auto texture =
GPUResourceManager::CombineTextures(textures.data(), unitWidth, unitHeight, unitCountX, unitCountY);
s_imageHandles.pushBack(texture);
s_imageHandles.pushBack(ImageResource{.OriginalWidth = w,
.OriginalHeight = h,
.OriginalPixelData = nullptr,
.Width = w,
.Height = h,
.Handle = texture});
Handle handle = s_imageHandles.size() - 1;
s_images[Engine::GetUniqueResourceName()] = handle;
s_imageExtents[handle] = (((UINT64) w) << 32) | h;
s_nonScaledImageExtents[handle] = s_imageExtents[handle];
return handle;
}
VOID ResourceManager::RescaleAllImages(IN FLOAT32 factorX, IN FLOAT32 factorY)
VOID ResourceManager::RescaleAllImages(IN Vec2 factor)
{
for (auto &t : s_images)
{
const auto p = s_nonScaledImageExtents[t->Value];
t->Value = ResizeImage(t->Value, ((INT32) (p >> 32)) * factorX, ((INT32) p) * factorY);
}
t->Value = RescaleImage(t->Value, factor);
}
} // namespace ia::iae
@ -216,14 +233,19 @@ namespace ia::iae
return ResourceManager::GetImageExtent(image);
}
Handle Engine::ResizeImage(IN Handle image, IN INT32 newWidth, IN INT32 newHeight)
IVec2 Engine::GetImageOriginalExtent(IN Handle image)
{
return ResourceManager::ResizeImage(image, newWidth, newHeight);
return ResourceManager::GetImageOriginalExtent(image);
}
VOID Engine::RescaleAllImages(IN FLOAT32 factorX, IN FLOAT32 factorY)
Handle Engine::RescaleImage(IN Handle image, IN Vec2 factor)
{
ResourceManager::RescaleAllImages(factorX, factorY);
return ResourceManager::RescaleImage(image, factor);
}
VOID Engine::RescaleAllImages(IN Vec2 factor)
{
ResourceManager::RescaleAllImages(factor);
}
Handle Engine::CombineImages(IN CONST Vector<Handle> &images, IN INT32 unitWidth, IN INT32 unitHeight,