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Optimized Renderer

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This commit is contained in:
Isuru Samarathunga
2025-10-21 10:44:11 +05:30
parent b10aacaee7
commit 86ed9346aa
21 changed files with 516 additions and 241 deletions
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25
Engine/Src/Imp/CPP/ResourceManager.cpp
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@ -61,8 +61,9 @@ namespace ia::iae
Handle ResourceManager::CreateImage(IN CONST String &name, IN PCUINT8 rgbaData, IN INT32 width, IN INT32 height)
{
const auto texture = GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET, width, height, rgbaData,
SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM, true);
const auto texture =
GPUResourceManager::CreateTexture(SDL_GPU_TEXTUREUSAGE_SAMPLER | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET, width,
height, rgbaData, SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM, true);
s_imageHandles.pushBack(ImageResource{.OriginalWidth = width,
.OriginalHeight = height,
.OriginalPixelData = new UINT8[width * height * 4],
@ -137,7 +138,7 @@ namespace ia::iae
return {t.OriginalWidth, t.OriginalHeight};
}
Handle ResourceManager::RescaleImage(IN Handle image, IN Vec2 factor)
Handle ResourceManager::RescaleImage(IN Handle image, IN Vec2 factor, IN BOOL makeOriginal)
{
if (!s_imageHandles[image].OriginalPixelData)
return image;
@ -145,21 +146,29 @@ namespace ia::iae
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)))
if (!newWidth || !newHeight)
return image;
const auto newPixelData =
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 | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET, newWidth, newHeight,
newPixelData, SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM, true);
const auto texture = GPUResourceManager::CreateTexture(
SDL_GPU_TEXTUREUSAGE_SAMPLER | SDL_GPU_TEXTUREUSAGE_COLOR_TARGET, newWidth, newHeight, newPixelData,
SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM, true);
GPUResourceManager::DestroyTexture(s_imageHandles[image].Handle);
s_imageHandles[image].Handle = texture;
s_imageHandles[image].Width = newWidth;
s_imageHandles[image].Height = newHeight;
free(newPixelData);
if (!makeOriginal)
{
free(newPixelData);
return image;
}
free(s_imageHandles[image].OriginalPixelData);
s_imageHandles[image].OriginalPixelData = newPixelData;
s_imageHandles[image].OriginalWidth = newWidth;
s_imageHandles[image].OriginalHeight = newHeight;
return image;
}