From cef331cc09ac2f5c90196f5e40e908d97e26b096 Mon Sep 17 00:00:00 2001
From: James Benton <james.benton2@gmail.com>
Date: Sun, 28 May 2017 12:00:51 +0100
Subject: [PATCH] whb: Add GFD texture loading with WHBGfxLoadGFDTexture,
 WHBGfxFreeTexture.

---
 src/libwhb/include/whb/gfx.h |  7 +++++
 src/libwhb/src/gfx_texture.c | 52 ++++++++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 src/libwhb/src/gfx_texture.c

diff --git a/src/libwhb/include/whb/gfx.h b/src/libwhb/include/whb/gfx.h
index 095af9b1..96f52c18 100644
--- a/src/libwhb/include/whb/gfx.h
+++ b/src/libwhb/include/whb/gfx.h
@@ -80,6 +80,13 @@ WHBGfxInitFetchShader(WHBGfxShaderGroup *group);
 BOOL
 WHBGfxFreeShaderGroup(WHBGfxShaderGroup *group);
 
+GX2Texture *
+WHBGfxLoadGFDTexture(uint32_t index,
+                     const void *file);
+
+BOOL
+WHBGfxFreeTexture(GX2Texture *texture);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/libwhb/src/gfx_texture.c b/src/libwhb/src/gfx_texture.c
new file mode 100644
index 00000000..b71f03ad
--- /dev/null
+++ b/src/libwhb/src/gfx_texture.c
@@ -0,0 +1,52 @@
+#include "gfx_heap.h"
+#include <gfd.h>
+#include <gx2r/surface.h>
+#include <gx2/texture.h>
+#include <whb/gfx.h>
+
+GX2Texture *
+WHBGfxLoadGFDTexture(uint32_t index,
+                     const void *file)
+{
+   uint32_t headerSize, imageSize;
+   GX2Texture *texture = NULL;
+   void *image = NULL;
+
+   if (index >= GFDGetTextureCount(file)) {
+      goto error;
+   }
+
+   headerSize = GFDGetTextureHeaderSize(index, file);
+   imageSize = GFDGetTextureImageSize(index, file);
+
+   if (!headerSize || !imageSize) {
+      goto error;
+   }
+
+   texture = (GX2Texture *)GfxHeapAllocMEM2(headerSize, 64);
+   if (!texture) {
+      goto error;
+   }
+
+   if (!GFDGetGX2RTexture(texture, index, file)) {
+      goto error;
+   }
+
+   return texture;
+
+error:
+   if (texture) {
+      GX2RDestroySurfaceEx(&texture->surface, 0);
+      GfxHeapFreeMEM2(texture);
+   }
+
+   return NULL;
+}
+
+BOOL
+WHBGfxFreeTexture(GX2Texture *texture)
+{
+   GX2RDestroySurfaceEx(&texture->surface, 0);
+   GfxHeapFreeMEM2(texture);
+   return TRUE;
+}