X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fgraphics%2Frender.cpp;h=d1913ad3e77b18d3a20aa51c4d6af7326982827b;hb=d2f4c8720ae2326fac4203fa4984d835e875b355;hp=fdf751e4248390e6f2b37a80a9707b139953e5cc;hpb=be3a81656b8493010d2329fa00da617e24293438;p=blank.git

diff --git a/src/graphics/render.cpp b/src/graphics/render.cpp
index fdf751e..d1913ad 100644
--- a/src/graphics/render.cpp
+++ b/src/graphics/render.cpp
@@ -10,6 +10,7 @@
 
 #include <algorithm>
 #include <cstring>
+#include <iostream>
 #include <memory>
 #include <stdexcept>
 
@@ -261,8 +262,11 @@ void Texture::Data(const SDL_Surface &srf, bool pad2) noexcept {
 
 		UnpackRowLength(0);
 	} else if (srf.w > (1 << 30) || srf.h > (1 << 30)) {
+		// That's at least one gigapixel in either or both dimensions.
+		// If this is not an error, that's an insanely large or high
+		// resolution texture.
 #ifndef NDEBUG
-		throw std::runtime_error("texture too large");
+		std::cerr << "texture size exceeds 2^30, aborting data import" << std::endl;
 #endif
 	} else {
 		GLsizei width = 1, height = 1;
@@ -424,8 +428,28 @@ CubeMap &CubeMap::operator =(CubeMap &&other) noexcept {
 }
 
 
-void CubeMap::Data(Face f, const SDL_Surface &srf) noexcept {
-	Data(f, srf.w, srf.h, Format(*srf.format), srf.pixels);
+void CubeMap::Data(Face f, const SDL_Surface &srf) {
+	Format format;
+	Format fmt(*srf.format);
+	if (format.Compatible(fmt)) {
+		Data(f, srf.w, srf.h, fmt, srf.pixels);
+	} else {
+		SDL_Surface *converted = SDL_ConvertSurface(
+			const_cast<SDL_Surface *>(&srf),
+			&format.sdl_format,
+			0
+		);
+		if (!converted) {
+			throw SDLError("SDL_ConvertSurface");
+		}
+		Format new_fmt(*converted->format);
+		if (!format.Compatible(new_fmt)) {
+			SDL_FreeSurface(converted);
+			throw std::runtime_error("unable to convert texture input");
+		}
+		Data(f, converted->w, converted->h, new_fmt, converted->pixels);
+		SDL_FreeSurface(converted);
+	}
 }
 
 void CubeMap::Data(Face face, GLsizei w, GLsizei h, const Format &f, GLvoid *data) noexcept {