Webp support

Makefile

@@ -38,7 +38,7 @@ CXXFLAGS	:= $(CFLAGS) -std=c++23 -fno-rtti
 ASFLAGS	:=	-g $(ARCH)
 LDFLAGS	=	-g $(ARCH) $(RPXSPECS) --entry=_start -Wl,-Map,$(notdir $*.map)
 
-LIBS	:= -lpng -lturbojpeg -lwut -lz
+LIBS	:= -lpng -lturbojpeg -lwebp -lwut -lz
 
 ifeq ($(DEBUG),1)
 CXXFLAGS += -DDEBUG -g

source/gfx/SplashScreenDrawer.cpp

@@ -3,6 +3,7 @@
 #include "PNGTexture.h"
 #include "ShaderSerializer.h"
 #include "TGATexture.h"
+#include "WEBPTexture.h"
 #include "gfx.h"
 #include "utils/logger.h"
 #include "utils/utils.h"
@@ -137,6 +138,8 @@ static GX2Texture *LoadImageAsTexture(const std::filesystem::path &filename) {
             return JPEG_LoadTexture(buffer);
         } else if (ext == ".tga") {
             return TGA_LoadTexture(buffer);
+        } else if (ext == ".webp") {
+            return WEBP_LoadTexture(buffer);
         }
     }
     return nullptr;
@@ -153,6 +156,9 @@ SplashScreenDrawer::SplashScreenDrawer(const std::filesystem::path &splash_base_
     if (!mTexture) {
         mTexture = LoadImageAsTexture(splash_base_path / "splash.tga");
     }
+    if (!mTexture) {
+        mTexture = LoadImageAsTexture(splash_base_path / "splash.webp");
+    }
     if (!mTexture) {
         // try to load a random one from "splashes/*"
         try {
@@ -162,7 +168,11 @@ SplashScreenDrawer::SplashScreenDrawer(const std::filesystem::path &splash_base_
                     continue;
                 }
                 auto ext = ToLower(entry.path().extension());
-                if (ext == ".png" || ext == ".tga" || ext == ".jpg" || ext == ".jpeg") {
+                if (ext == ".png" ||
+                    ext == ".tga" ||
+                    ext == ".jpg" ||
+                    ext == ".jpeg" ||
+                    ext == ".webp") {
                     candidates.push_back(entry.path());
                 }
             }

source/gfx/WEBPTexture.cpp

@@ -0,0 +1,73 @@
+#include "WEBPTexture.h"
+#include "utils/logger.h"
+#include <cstdlib>
+#include <cstring>
+#include <gx2/mem.h>
+#include <webp/decode.h>
+
+GX2Texture *WEBP_LoadTexture(std::span<uint8_t> data) {
+    GX2Texture *texture = nullptr;
+    int width, height;
+
+    if (!WebPGetInfo(data.data(), data.size(), &width, &height)) {
+        DEBUG_FUNCTION_LINE_ERR("Failed to parse WEBP header\n");
+        goto error;
+    }
+
+    texture = static_cast<GX2Texture *>(std::malloc(sizeof(GX2Texture)));
+    if (!texture) {
+        DEBUG_FUNCTION_LINE_ERR("Failed to allocate texture\n");
+        goto error;
+    }
+
+    std::memset(texture, 0, sizeof(GX2Texture));
+    texture->surface.width     = width;
+    texture->surface.height    = height;
+    texture->surface.depth     = 1;
+    texture->surface.mipLevels = 1;
+    texture->surface.format    = GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8;
+    texture->surface.aa        = GX2_AA_MODE1X;
+    texture->surface.use       = GX2_SURFACE_USE_TEXTURE;
+    texture->surface.dim       = GX2_SURFACE_DIM_TEXTURE_2D;
+    texture->surface.tileMode  = GX2_TILE_MODE_LINEAR_ALIGNED;
+    texture->surface.swizzle   = 0;
+    texture->viewFirstMip      = 0;
+    texture->viewNumMips       = 1;
+    texture->viewFirstSlice    = 0;
+    texture->viewNumSlices     = 1;
+    texture->compMap           = 0x0010203;
+    GX2CalcSurfaceSizeAndAlignment(&texture->surface);
+    GX2InitTextureRegs(texture);
+
+    if (texture->surface.imageSize == 0) {
+        DEBUG_FUNCTION_LINE_ERR("Texture is empty\n");
+        goto error;
+    }
+
+    texture->surface.image = std::aligned_alloc(texture->surface.alignment,
+                                                texture->surface.imageSize);
+    if (!texture->surface.image) {
+        DEBUG_FUNCTION_LINE_ERR("Failed to allocate surface for texture\n");
+        goto error;
+    }
+
+    if (!WebPDecodeRGBAInto(data.data(), data.size(),
+                            reinterpret_cast<uint8_t *>(texture->surface.image),
+                            texture->surface.imageSize,
+                            texture->surface.pitch * 4)) {
+        DEBUG_FUNCTION_LINE_ERR("Failed to decode WEBP image\n");
+        goto error;
+    }
+
+    GX2Invalidate(GX2_INVALIDATE_MODE_CPU | GX2_INVALIDATE_MODE_TEXTURE,
+                  texture->surface.image, texture->surface.imageSize);
+
+    return texture;
+
+error:
+    if (texture) {
+        std::free(texture->surface.image);
+    }
+    std::free(texture);
+    return nullptr;
+}

source/gfx/WEBPTexture.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <cstdint>
+#include <gx2/texture.h>
+#include <span>
+
+GX2Texture *WEBP_LoadTexture(std::span<uint8_t> data);

source/gfx/gfx.c

@@ -200,7 +200,7 @@ static BOOL initBucketHeap() {
 
     sGfxHeapForeground = MEMCreateExpHeapEx(base, size, 0);
     if (!sGfxHeapForeground) {
-        WHBLogPrintf("%s: MEMCreateExpHeapEx(0x%08X, 0x%X, 0)", __FUNCTION__, base, size);
+        WHBLogPrintf("%s: MEMCreateExpHeapEx(%p, 0x%X, 0)", __FUNCTION__, base, size);
         return FALSE;
     }
 
@@ -476,4 +476,4 @@ BOOL GfxInitShaderAttribute(WHBGfxShaderGroup *group,
     attrib->mask       = GfxGetAttribFormatSel(format);
     attrib->endianSwap = GX2_ENDIAN_SWAP_DEFAULT;
     return TRUE;
-}
+}