gfx: separate port-specific interfaces

6 files changed, 64 insertions, 12 deletions

diff --git a/src/gfx/sdl-1.2/privinc/sdl-1.2/gfx_private.h b/src/gfx/sdl-1.2/privinc/sdl-1.2/gfx_private.h
index c067af7..d095cc0 100644
--- a/src/gfx/sdl-1.2/privinc/sdl-1.2/gfx_private.h
+++ b/src/gfx/sdl-1.2/privinc/sdl-1.2/gfx_private.h
@@ -1,6 +1,9 @@
 #ifndef GFX_SDL_12_PRIVATE_H
 #define GFX_SDL_12_PRIVATE_H
 
+#include <gfx.h>
+#include <SDL/SDL.h>
+
 #ifdef __cplusplus
 extern "C"
 {
@@ -12,6 +15,10 @@ enum
     SCREEN_H = 240
 };
 
+int sprite_screen_resize_ev(struct sprite *s);
+void gfx_register_sprite(struct sprite *s);
+SDL_Surface *gfx_screen(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/gfx/sdl-1.2/src/env.c b/src/gfx/sdl-1.2/src/env.c
index 6589d84..d6d1f33 100644
--- a/src/gfx/sdl-1.2/src/env.c
+++ b/src/gfx/sdl-1.2/src/env.c
@@ -1,4 +1,5 @@
 #include <gfx.h>
+#include <gfx_private.h>
 #include <sdl-1.2/gfx_private.h>
 #include <SDL/SDL.h>
 #include <stdbool.h>
@@ -27,34 +28,58 @@ static int resize_screen(const int w, const int h, const bool full_screen)
         return -1;
     }
 
+    static bool init;
+
+    if (!init)
+    {
+        display.w = info->current_w;
+        display.h = info->current_h;
+        init = true;
+    }
+
     if (fullscreen)
+    {
         flags |= SDL_FULLSCREEN;
+        w = display.w;
+        h = display.h;
+    }
 
-#if 0
-    SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
-    SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
-    SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
-    SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
-    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
-#endif
-
-    const int bpp = info->vfmt->BitsPerPixel;
+    int bpp = info->vfmt->BitsPerPixel;
 
     if (screen)
         SDL_FreeSurface(screen);
 
-    if (!(screen = SDL_SetVideoMode(screen_w, screen_h, bpp, flags)))
+    const int max_bpp = SDL_VideoModeOK(w, h, 0, flags);
+
+    if (max_bpp < 0)
+    {
+        fprintf(stderr, "SDL_VideoModeOK: %s\n", SDL_GetError());
+        return -1;
+    }
+    else if (bpp > max_bpp)
+        bpp = max_bpp;
+
+    if (!(screen = SDL_SetVideoMode(w, h, 0, flags)))
     {
         fprintf(stderr, "SDL_SetVideoMode: %s\n", SDL_GetError());
         return -1;
     }
 
+    for (size_t i = 0; i < list_len; i++)
+        if (sprite_screen_resize_ev(list[i]))
+            return -1;
+
     screen_w = w;
     screen_h = h;
     fullscreen = full_screen;
     return 0;
 }
 
+SDL_Surface *gfx_screen(void)
+{
+    return screen;
+}
+
 int gfx_init(void)
 {
     if (SDL_InitSubSystem(SDL_INIT_VIDEO))
diff --git a/src/gfx/sdl-1.2/src/line.c b/src/gfx/sdl-1.2/src/line.c
index aeeda7b..3886204 100644
--- a/src/gfx/sdl-1.2/src/line.c
+++ b/src/gfx/sdl-1.2/src/line.c
@@ -1,5 +1,6 @@
 #include <gfx.h>
 #include <gfx/port.h>
+#include <sdl-1.2/gfx_private.h>
 #include <stddef.h>
 
 void stp_4line_init(struct stp_4line *const l)
diff --git a/src/gfx/sdl-1.2/src/quad.c b/src/gfx/sdl-1.2/src/quad.c
index fe1b39f..b680e0c 100644
--- a/src/gfx/sdl-1.2/src/quad.c
+++ b/src/gfx/sdl-1.2/src/quad.c
@@ -1,5 +1,6 @@
 #include <gfx.h>
 #include <gfx/port.h>
+#include <sdl-1.2/gfx_private.h>
 #include <stddef.h>
 #include <stdlib.h>
 
@@ -15,4 +16,20 @@ int quad_from_sprite(const struct sprite *const s, struct quad *const q)
 
 void quad_sort(struct quad *const q)
 {
+    SDL_Rect r =
+    {
+        .x = q->x0,
+        .y = q->y0
+    };
+
+    SDL_Rect clip =
+    {
+        .x = q->u0,
+        .y = q->v0,
+        .w = q->u1 - q->u0 + 1,
+        .h= q->v2 - q->v0 + 1
+    };
+
+    if (SDL_BlitSurface(q->s, &clip, gfx_screen(), &r))
+        fprintf(stderr, "SDL_BlitSurface: %s\n", SDL_GetError());
 }
diff --git a/src/gfx/sdl-1.2/src/rect.c b/src/gfx/sdl-1.2/src/rect.c
index ee50378..38d9b62 100644
--- a/src/gfx/sdl-1.2/src/rect.c
+++ b/src/gfx/sdl-1.2/src/rect.c
@@ -1,5 +1,6 @@
 #include <gfx.h>
 #include <gfx/port.h>
+#include <sdl-1.2/gfx_private.h>
 #include <SDL/SDL.h>
 #include <stddef.h>
 #include <stdlib.h>
@@ -14,7 +15,7 @@ void rect_sort(struct rect *const r)
         .h = r->h
     };
 
-    SDL_Surface *const screen = gfx_port_screen();
+    SDL_Surface *const screen = gfx_screen();
     const Uint32 map = SDL_MapRGB(screen->format, r->r, r->g, r->b);
 
     if (SDL_FillRect(screen, &rct, map))
diff --git a/src/gfx/sdl-1.2/src/sprite.c b/src/gfx/sdl-1.2/src/sprite.c
index e20f1c8..f3a2d94 100644
--- a/src/gfx/sdl-1.2/src/sprite.c
+++ b/src/gfx/sdl-1.2/src/sprite.c
@@ -1,6 +1,7 @@
 #include <gfx.h>
 #include <gfx/port.h>
 #include <header.h>
+#include <sdl-1.2/gfx_private.h>
 #include <SDL/SDL.h>
 #include <errno.h>
 #include <stddef.h>
@@ -120,6 +121,6 @@ void sprite_sort(struct sprite *const s)
         .h = s->h
     };
 
-    if (SDL_BlitSurface(s->s, &clip, gfx_port_screen(), &r))
+    if (SDL_BlitSurface(s->s, &clip, gfx_screen(), &r))
         fprintf(stderr, "SDL_BlitSurface: %s\n", SDL_GetError());
 }