opengl: OpenGL renderers need to support texture target in properties.

Otherwise this has to become an awkward heuristic in sdl2-compat.

include/SDL3/SDL_render.h

@@ -586,6 +586,8 @@ extern DECLSPEC SDL_Texture *SDLCALL SDL_CreateTextureWithProperties(SDL_Rendere
  *   associated with the U plane of a YUV texture
  * - `SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_V_NUMBER`: the GLuint texture
  *   associated with the V plane of a YUV texture
+ * - `SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_TARGET`: the GLenum for the texture
+ *   target (`GL_TEXTURE_2D`, `GL_TEXTURE_RECTANGLE_ARB`, etc)
  * - `SDL_PROPERTY_TEXTURE_OPENGL_TEX_W_FLOAT`: the texture coordinate width
  *   of the texture (0.0 - 1.0)
  * - `SDL_PROPERTY_TEXTURE_OPENGL_TEX_H_FLOAT`: the texture coordinate height
@@ -601,6 +603,8 @@ extern DECLSPEC SDL_Texture *SDLCALL SDL_CreateTextureWithProperties(SDL_Rendere
  *   associated with the U plane of a YUV texture
  * - `SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_V_NUMBER`: the GLuint texture
  *   associated with the V plane of a YUV texture
+ * - `SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_TARGET`: the GLenum for the texture
+ *   target (`GL_TEXTURE_2D`, `GL_TEXTURE_EXTERNAL_OES`, etc)
  *
  * \param texture the texture to query
  * \returns a valid property ID on success or 0 on failure; call
@@ -613,22 +617,24 @@ extern DECLSPEC SDL_Texture *SDLCALL SDL_CreateTextureWithProperties(SDL_Rendere
  */
 extern DECLSPEC SDL_PropertiesID SDLCALL SDL_GetTextureProperties(SDL_Texture *texture);
 
-#define SDL_PROPERTY_TEXTURE_D3D11_TEXTURE_POINTER              "SDL.texture.d3d11.texture"         /* the ID3D11Texture2D associated with the texture */
-#define SDL_PROPERTY_TEXTURE_D3D11_TEXTURE_U_POINTER            "SDL.texture.d3d11.texture_u"       /* the ID3D11Texture2D associated with the U plane of a YUV texture */
-#define SDL_PROPERTY_TEXTURE_D3D11_TEXTURE_V_POINTER            "SDL.texture.d3d11.texture_v"       /* the ID3D11Texture2D associated with the V plane of a YUV texture */
-#define SDL_PROPERTY_TEXTURE_D3D12_TEXTURE_POINTER              "SDL.texture.d3d12.texture"         /* the ID3D12Resource associated with the texture */
-#define SDL_PROPERTY_TEXTURE_D3D12_TEXTURE_U_POINTER            "SDL.texture.d3d12.texture_u"       /* the ID3D12Resource associated with the U plane of a YUV texture */
-#define SDL_PROPERTY_TEXTURE_D3D12_TEXTURE_V_POINTER            "SDL.texture.d3d12.texture_v"       /* the ID3D12Resource associated with the V plane of a YUV texture */
-#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_NUMBER              "SDL.texture.opengl.texture"        /* the GLuint texture associated with the texture */
-#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_UV_NUMBER           "SDL.texture.opengl.texture_uv"     /* the GLuint texture associated with the UV plane of an NV12 texture */
-#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_U_NUMBER            "SDL.texture.opengl.texture_u"      /* the GLuint texture associated with the U plane of a YUV texture */
-#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_V_NUMBER            "SDL.texture.opengl.texture_v"      /* the GLuint texture associated with the V plane of a YUV texture */
-#define SDL_PROPERTY_TEXTURE_OPENGL_TEX_W_FLOAT                 "SDL.texture.opengl.tex_w"          /* the texture coordinate width of the texture (0.0 - 1.0) */
-#define SDL_PROPERTY_TEXTURE_OPENGL_TEX_H_FLOAT                 "SDL.texture.opengl.tex_h"          /* the texture coordinate height of the texture (0.0 - 1.0) */
-#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_NUMBER           "SDL.texture.opengles2.texture"     /* the GLuint texture associated with the texture */
-#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_UV_NUMBER        "SDL.texture.opengles2.texture_uv"  /* the GLuint texture associated with the UV plane of an NV12 texture */
-#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_U_NUMBER         "SDL.texture.opengles2.texture_u"   /* the GLuint texture associated with the U plane of a YUV texture */
-#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_V_NUMBER         "SDL.texture.opengles2.texture_v"   /* the GLuint texture associated with the V plane of a YUV texture */
+#define SDL_PROPERTY_TEXTURE_D3D11_TEXTURE_POINTER              "SDL.texture.d3d11.texture"
+#define SDL_PROPERTY_TEXTURE_D3D11_TEXTURE_U_POINTER            "SDL.texture.d3d11.texture_u"
+#define SDL_PROPERTY_TEXTURE_D3D11_TEXTURE_V_POINTER            "SDL.texture.d3d11.texture_v"
+#define SDL_PROPERTY_TEXTURE_D3D12_TEXTURE_POINTER              "SDL.texture.d3d12.texture"
+#define SDL_PROPERTY_TEXTURE_D3D12_TEXTURE_U_POINTER            "SDL.texture.d3d12.texture_u"
+#define SDL_PROPERTY_TEXTURE_D3D12_TEXTURE_V_POINTER            "SDL.texture.d3d12.texture_v"
+#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_NUMBER              "SDL.texture.opengl.texture"
+#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_UV_NUMBER           "SDL.texture.opengl.texture_uv"
+#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_U_NUMBER            "SDL.texture.opengl.texture_u"
+#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_V_NUMBER            "SDL.texture.opengl.texture_v"
+#define SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_TARGET              "SDL.texture.opengl.target"
+#define SDL_PROPERTY_TEXTURE_OPENGL_TEX_W_FLOAT                 "SDL.texture.opengl.tex_w"
+#define SDL_PROPERTY_TEXTURE_OPENGL_TEX_H_FLOAT                 "SDL.texture.opengl.tex_h"
+#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_NUMBER           "SDL.texture.opengles2.texture"
+#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_UV_NUMBER        "SDL.texture.opengles2.texture_uv"
+#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_U_NUMBER         "SDL.texture.opengles2.texture_u"
+#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_V_NUMBER         "SDL.texture.opengles2.texture_v"
+#define SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_TARGET           "SDL.texture.opengles2.target"
 
 /**
  * Get the renderer that created an SDL_Texture.

src/render/opengl/SDL_render_gl.c

@@ -532,6 +532,7 @@ static int GL_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture, SDL_Pr
     }
     SDL_PropertiesID props = SDL_GetTextureProperties(texture);
     SDL_SetNumberProperty(props, SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_NUMBER, data->texture);
+    SDL_SetNumberProperty(props, SDL_PROPERTY_TEXTURE_OPENGL_TEXTURE_TARGET, (Sint64) textype);
     SDL_SetFloatProperty(props, SDL_PROPERTY_TEXTURE_OPENGL_TEX_W_FLOAT, data->texw);
     SDL_SetFloatProperty(props, SDL_PROPERTY_TEXTURE_OPENGL_TEX_H_FLOAT, data->texh);
 

src/render/opengles2/SDL_render_gles2.c

@@ -1594,6 +1594,7 @@ static int GLES2_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture, SDL
         }
     }
     SDL_SetNumberProperty(SDL_GetTextureProperties(texture), SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_NUMBER, data->texture);
+    SDL_SetNumberProperty(SDL_GetTextureProperties(texture), SDL_PROPERTY_TEXTURE_OPENGLES2_TEXTURE_TARGET, data->texture_type);
 
     if (texture->access == SDL_TEXTUREACCESS_TARGET) {
         data->fbo = GLES2_GetFBO(renderer->driverdata, texture->w, texture->h);