patch sdl3 shaders, got something on screen!

CMakeLists.txt

@@ -75,20 +75,7 @@ if(VITA)
   include(FetchContent)
   
   include(cmake/modules/pvr_psp2.cmake)
-  
+  include(cmake/modules/sdl3_pvr_psp2.cmake)
-  FetchContent_Declare(
-      SDL3
-      GIT_REPOSITORY "https://github.com/libsdl-org/SDL.git"
-      GIT_TAG "main"
-      EXCLUDE_FROM_ALL
-  )
-  block()
-    set(VIDEO_VITA_PVR ON)
-    get_target_property(PVR_INCLUDES GLESv2 INTERFACE_INCLUDE_DIRECTORIES)
-    list(APPEND CMAKE_REQUIRED_INCLUDES ${PVR_INCLUDES})
-    FetchContent_MakeAvailable(SDL3)
-    target_include_directories(SDL3-static PRIVATE ${PVR_INCLUDES})
-  endblock()
 
   fetch_iniparser()
 

cmake/modules/sdl3_pvr_psp2.cmake

@@ -0,0 +1,33 @@
+cmake_minimum_required(VERSION 3.21)
+
+include(FetchContent)
+
+set(SDL3_PATCH_FILE "${CMAKE_CURRENT_LIST_DIR}/sdl3_vita_shaders_fix.patch")
+
+FetchContent_Declare(
+    SDL3
+    GIT_REPOSITORY "https://github.com/libsdl-org/SDL.git"
+    GIT_TAG "main"
+    EXCLUDE_FROM_ALL
+)
+
+FetchContent_GetProperties(SDL3)
+
+if(NOT SDL3_POPULATED)
+  FetchContent_Populate(SDL3)
+  execute_process(
+    COMMAND git apply --verbose "${SDL3_PATCH_FILE}"
+    WORKING_DIRECTORY "${sdl3_SOURCE_DIR}"
+    RESULT_VARIABLE APPLY_RESULT
+  )
+  if(NOT APPLY_RESULT EQUAL 0)
+    message(FATAL_ERROR "Failed to apply patch to SDL3")
+  endif()
+endif()
+
+block()
+  set(VIDEO_VITA_PVR ON)
+  get_target_property(PVR_INCLUDES GLESv2 INTERFACE_INCLUDE_DIRECTORIES)
+  list(APPEND CMAKE_REQUIRED_INCLUDES ${PVR_INCLUDES})
+  add_subdirectory(${sdl3_SOURCE_DIR} ${sdl3_BINARY_DIR})
+endblock()

cmake/modules/sdl3_vita_shaders_fix.patch

@@ -0,0 +1,46 @@
+--- sdl3-src/src/render/opengles2/SDL_shaders_gles2.c	2025-06-22 13:18:27.905488716 +0200
++++ "sdl3-src/src/render/opengles2/SDL_shaders_gles2.c"	2025-06-22 13:18:21.377485749 +0200
+@@ -130,9 +130,7 @@
+ "void main()\n"
+ "{\n"
+ "    mediump vec4 color = texture2D(u_texture, v_texCoord);\n"
+-"    gl_FragColor = color;\n"
+-"    gl_FragColor.r = color.b;\n"
+-"    gl_FragColor.b = color.r;\n"
++"    gl_FragColor.rgba = color.bgra;\n"
+ "    gl_FragColor *= v_color;\n"
+ "}\n"
+ ;
+@@ -144,9 +142,7 @@
+ "void main()\n"
+ "{\n"
+ "    mediump vec4 color = texture2D(u_texture, v_texCoord);\n"
+-"    gl_FragColor = color;\n"
+-"    gl_FragColor.r = color.b;\n"
+-"    gl_FragColor.b = color.r;\n"
++"    gl_FragColor.rgb = color.bgr;\n"
+ "    gl_FragColor.a = 1.0;\n"
+ "    gl_FragColor *= v_color;\n"
+ "}\n"
+@@ -183,9 +179,7 @@
+ "void main()\n"
+ "{\n"
+     RGB_PIXELART_GETCOLOR
+-"    gl_FragColor = color;\n"
+-"    gl_FragColor.r = color.b;\n"
+-"    gl_FragColor.b = color.r;\n"
++"    gl_FragColor.rgba = color.bgra;\n"
+ "    gl_FragColor *= v_color;\n"
+ "}\n"
+ ;
+@@ -197,9 +191,7 @@
+ "void main()\n"
+ "{\n"
+     RGB_PIXELART_GETCOLOR
+-"    gl_FragColor = color;\n"
+-"    gl_FragColor.r = color.b;\n"
+-"    gl_FragColor.b = color.r;\n"
++"    gl_FragColor.rgb = color.bgr;\n"
+ "    gl_FragColor.a = 1.0;\n"
+ "    gl_FragColor *= v_color;\n"
+ "}\n"

miniwin/src/ddraw/ddraw.cpp

@@ -296,9 +296,11 @@ HRESULT DirectDrawImpl::SetCooperativeLevel(HWND hWnd, DDSCLFlags dwFlags)
 			return DDERR_INVALIDPARAMS;
 		}
 
-		char* sdlRendererName = nullptr;
+		
 #ifdef __vita__
-		sdlRendererName = "opengles2";
+		const char* sdlRendererName = "opengles2";
+#else
+		const char* sdlRendererName = nullptr;
 #endif
 
 		if (!SDL_SetWindowFullscreen(sdlWindow, fullscreen)) {