if (gfx.draw_global_anim_function != NULL)
gfx.draw_global_anim_function(draw_target, DRAW_GLOBAL_ANIM_STAGE_2);
+ // copy tile selection cursor to render target buffer, if defined (part 1)
+ if (gfx.draw_tile_cursor_function != NULL)
+ gfx.draw_tile_cursor_function(draw_target, TRUE);
+
// copy envelope request to render target buffer, if needed (above all)
if (gfx.draw_envelope_request_function != NULL)
gfx.draw_envelope_request_function(draw_target);
- // copy tile selection cursor to render target buffer, if defined (above all)
+ // copy tile selection cursor to render target buffer, if defined (part 2)
if (gfx.draw_tile_cursor_function != NULL)
- gfx.draw_tile_cursor_function(draw_target);
+ gfx.draw_tile_cursor_function(draw_target, FALSE);
// copy global animations to render target buffer, if defined (mouse pointer)
if (gfx.draw_global_anim_function != NULL)
return (blend_mode == SDL_BLENDMODE_BLEND);
}
-void SDLSetAlpha(SDL_Surface *surface, boolean set, int alpha)
+static void SDLSetSurfaceAlpha(SDL_Surface *surface, boolean set, int alpha)
{
SDL_BlendMode blend_mode = (set ? SDL_BLENDMODE_BLEND : SDL_BLENDMODE_NONE);
SDL_SetSurfaceAlphaMod(surface, alpha);
}
+static void SDLSetTextureAlpha(SDL_Texture *texture, boolean set, int alpha)
+{
+ SDL_BlendMode blend_mode = (set ? SDL_BLENDMODE_BLEND : SDL_BLENDMODE_NONE);
+
+ SDL_SetTextureBlendMode(texture, blend_mode);
+ SDL_SetTextureAlphaMod(texture, alpha);
+}
+
+static void SDLSetBitmapAlpha(Bitmap *bitmap, boolean is_texture,
+ boolean is_masked)
+{
+ int alpha_next_blit = bitmap->alpha_next_blit;
+
+ // alpha value must be requested every time before blitting, if needed
+ bitmap->alpha_next_blit = -1;
+
+ // nothing to do if requested alpha value is already set
+ if (bitmap->alpha[is_texture][is_masked] == alpha_next_blit)
+ return;
+
+ // store requested alpha value for masked/unmasked surface/texture
+ bitmap->alpha[is_texture][is_masked] = alpha_next_blit;
+
+ // set blend mode if bitmap is masked or if alpha value is defined
+ boolean set_blend_mode = (is_masked || alpha_next_blit != -1);
+
+ // if alpha value is undefined, use default (opaque) alpha value
+ if (alpha_next_blit == -1)
+ alpha_next_blit = SDL_ALPHA_OPAQUE;
+
+ if (is_texture)
+ SDLSetTextureAlpha(is_masked ? bitmap->texture_masked : bitmap->texture,
+ set_blend_mode, alpha_next_blit);
+ else
+ SDLSetSurfaceAlpha(is_masked ? bitmap->surface_masked : bitmap->surface,
+ set_blend_mode, alpha_next_blit);
+}
+
+void SDLSetAlpha(SDL_Surface *surface, boolean set, int alpha)
+{
+ SDLSetSurfaceAlpha(surface, set, alpha);
+}
+
const char *SDLGetRendererName(void)
{
static SDL_RendererInfo renderer_info;
bitmap->texture_masked = NULL;
}
+void SDLBlitSurface(SDL_Surface *src_surface, SDL_Surface *dst_surface,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ SDL_Rect src_rect, dst_rect;
+
+ src_rect.x = src_x;
+ src_rect.y = src_y;
+ src_rect.w = width;
+ src_rect.h = height;
+
+ dst_rect.x = dst_x;
+ dst_rect.y = dst_y;
+ dst_rect.w = width;
+ dst_rect.h = height;
+
+ SDL_BlitSurface(src_surface, &src_rect, dst_surface, &dst_rect);
+}
+
void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
int src_x, int src_y, int width, int height,
int dst_x, int dst_y, int mask_mode)
dst_rect.w = width;
dst_rect.h = height;
+ SDLSetBitmapAlpha(src_bitmap, FALSE, mask_mode == BLIT_MASKED);
+
// if (src_bitmap != backbuffer || dst_bitmap != window)
if (!(src_bitmap == backbuffer && dst_bitmap == window))
SDL_BlitSurface((mask_mode == BLIT_MASKED ?
dst_rect.w = width;
dst_rect.h = height;
+ SDLSetBitmapAlpha(bitmap, TRUE, mask_mode == BLIT_MASKED);
+
SDL_RenderCopy(sdl_renderer, texture, &src_rect, &dst_rect);
}