port: add detail textures toggle

port/fast3d/gfx_api.h

@@ -35,6 +35,7 @@ extern uint32_t gfx_msaa_level;
 extern struct XYWidthHeight gfx_current_native_viewport; // The internal/native video mode of the game
 extern float gfx_current_native_aspect; // The aspect ratio of the above mode
 extern bool gfx_framebuffers_enabled;
+extern bool gfx_detail_textures_enabled;
 
 void gfx_init(const struct GfxInitSettings *settings);
 void gfx_destroy(void);

port/fast3d/gfx_pc.cpp

@@ -216,6 +216,7 @@ struct XYWidthHeight gfx_current_game_window_viewport;
 struct XYWidthHeight gfx_current_native_viewport;
 float gfx_current_native_aspect = 4.f / 3.f;
 bool gfx_framebuffers_enabled = true;
+bool gfx_detail_textures_enabled = true;
 
 static bool game_renders_to_framebuffer;
 static int game_framebuffer;
@@ -1185,6 +1186,12 @@ static void gfx_sp_modify_vertex(uint16_t vtx_idx, uint8_t where, uint32_t val)
     v->v = t;
 }
 
+static inline int gfx_lod_tile_offset(const int i) {
+    if (gfx_detail_textures_enabled)
+        return ((rdp.tex_lod && !rdp.tex_detail) ? 0 : i);
+    return (rdp.tex_lod ? rdp.tex_detail : i);
+}
+
 static void gfx_sp_tri1(uint8_t vtx1_idx, uint8_t vtx2_idx, uint8_t vtx3_idx, bool is_rect) {
     struct LoadedVertex* v1 = &rsp.loaded_vertices[vtx1_idx];
     struct LoadedVertex* v2 = &rsp.loaded_vertices[vtx2_idx];
@@ -1329,7 +1336,7 @@ static void gfx_sp_tri1(uint8_t vtx1_idx, uint8_t vtx2_idx, uint8_t vtx3_idx, bo
 
     for (int i = 0; i < 2; i++) {
         // TODO: fix this; for now just ignore smaller mips
-        const uint32_t tile = rdp.first_tile_index + ((rdp.tex_lod && !rdp.tex_detail) ? 0 : i);
+        const uint32_t tile = rdp.first_tile_index + gfx_lod_tile_offset(i);
         if (comb->used_textures[i]) {
             if (rdp.textures_changed[i]) {
                 gfx_flush();
@@ -1434,7 +1441,7 @@ static void gfx_sp_tri1(uint8_t vtx1_idx, uint8_t vtx2_idx, uint8_t vtx3_idx, bo
             }
 
             // TODO: fix this; for now just ignore smaller mips
-            const uint32_t tile = ((rdp.tex_lod && !rdp.tex_detail) ? 0 : t);
+            const uint32_t tile = gfx_lod_tile_offset(t);
 
             float u = v_arr[i]->u / 32.0f;
             float v = v_arr[i]->v / 32.0f;

port/include/video.h

@@ -30,12 +30,14 @@ s32 videoGetFullscreen(void);
 s32 videoGetMaximizeWindow(void);
 void videoSetMaximizeWindow(s32 fs);
 u32 videoGetTextureFilter(void);
-u32 videoGetTextureFilter2D(void);
+s32 videoGetTextureFilter2D(void);
+s32 videoGetDetailTextures(void);
 
 void videoSetWindowOffset(s32 x, s32 y);
 void videoSetFullscreen(s32 fs);
 void videoSetTextureFilter(u32 filter);
-void videoSetTextureFilter2D(u32 filter);
+void videoSetTextureFilter2D(s32 filter);
+void videoSetDetailTextures(s32 detail);
 
 s32 videoCreateFramebuffer(u32 w, u32 h, s32 upscale, s32 autoresize);
 void videoSetFramebuffer(s32 target);

port/src/optionsmenu.c

@@ -678,6 +678,19 @@ static MenuItemHandlerResult menuhandlerTexFilter(s32 operation, struct menuitem
 	return 0;
 }
 
+static MenuItemHandlerResult menuhandlerTexDetail(s32 operation, struct menuitem *item, union handlerdata *data)
+{
+	switch (operation) {
+	case MENUOP_GET:
+		return (videoGetDetailTextures() != 0);
+	case MENUOP_SET:
+		videoSetDetailTextures(data->checkbox.value);
+		break;
+	}
+
+	return 0;
+}
+
 static MenuItemHandlerResult menuhandlerTexFilter2D(s32 operation, struct menuitem *item, union handlerdata *data)
 {
 	switch (operation) {
@@ -769,6 +782,14 @@ struct menuitem g_ExtendedVideoMenuItems[] = {
 		0,
 		menuhandlerMaximizeWindow,
 	},
+	{
+		MENUITEMTYPE_CHECKBOX,
+		0,
+		MENUITEMFLAG_LITERAL_TEXT,
+		(uintptr_t)"Detail Textures",
+		0,
+		menuhandlerTexDetail,
+	},
 	{
 		MENUITEMTYPE_CHECKBOX,
 		0,

port/src/video.c

@@ -30,6 +30,7 @@ static s32 vidFramerateLimit = 0;
 
 static s32 texFilter = FILTER_LINEAR;
 static s32 texFilter2D = true;
+static s32 texDetail = true;
 
 static u32 dlcount = 0;
 static u32 frames = 0;
@@ -45,6 +46,7 @@ s32 videoInit(void)
 	gfx_current_native_viewport.height = 220;
 	gfx_current_native_aspect = 320.f / 220.f;
 	gfx_framebuffers_enabled = (bool)vidFramebuffers;
+	gfx_detail_textures_enabled = (bool)texDetail;
 	gfx_msaa_level = vidMSAA;
 
 	struct GfxInitSettings set = {
@@ -176,7 +178,7 @@ f32 videoGetAspect(void)
 	return gfx_current_dimensions.aspect_ratio;
 }
 
-u32 videoGetTextureFilter2D(void)
+s32 videoGetTextureFilter2D(void)
 {
 	return texFilter2D;
 }
@@ -186,6 +188,11 @@ u32 videoGetTextureFilter(void)
 	return texFilter;
 }
 
+s32 videoGetDetailTextures(void)
+{
+	return texDetail;
+}
+
 void videoSetWindowOffset(s32 x, s32 y)
 {
 	gfx_current_game_window_viewport.x = x;
@@ -215,11 +222,17 @@ void videoSetTextureFilter(u32 filter)
 	renderingAPI->set_texture_filter((enum FilteringMode)filter);
 }
 
-void videoSetTextureFilter2D(u32 filter)
+void videoSetTextureFilter2D(s32 filter)
 {
 	texFilter2D = !!filter;
 }
 
+void videoSetDetailTextures(s32 detail)
+{
+	texDetail = !!detail;
+	gfx_detail_textures_enabled = (bool)texDetail;
+}
+
 s32 videoCreateFramebuffer(u32 w, u32 h, s32 upscale, s32 autoresize)
 {
 	return gfx_create_framebuffer(w, h, upscale, autoresize);
@@ -275,4 +288,5 @@ PD_CONSTRUCTOR static void videoConfigInit(void)
 	configRegisterInt("Video.MSAA", &vidMSAA, 1, 16);
 	configRegisterInt("Video.TextureFilter", &texFilter, 0, 2);
 	configRegisterInt("Video.TextureFilter2D", &texFilter2D, 0, 1);
+	configRegisterInt("Video.DetailTextures", &texDetail, 0, 1);
 }