ctr_common.h

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/* RetroArch - A frontend for libretro.
 * Copyright (C) 2014-2017 - Ali Bouahl
 *
 * RetroArch is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with RetroArch.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef CTR_COMMON_H__
#define CTR_COMMON_H__

#include <retro_inline.h>

#define COLOR_ABGR(r, g, b, a) (((unsigned)(a) << 24) | ((b) << 16) | ((g) << 8) | ((r) << 0))

#define CTR_TOP_FRAMEBUFFER_WIDTH 400
#define CTR_TOP_FRAMEBUFFER_HEIGHT 240

extern const u8 ctr_sprite_shbin[];
extern const u32 ctr_sprite_shbin_size;

typedef struct
{
 float v;
 float u;
 float y;
 float x;
} ctr_scale_vector_t;

typedef struct
{
 s16 x0, y0, x1, y1;
 s16 u0, v0, u1, v1;
} ctr_vertex_t;

typedef enum
{
 CTR_VIDEO_MODE_NORMAL,
 CTR_VIDEO_MODE_800x240,
 CTR_VIDEO_MODE_400x240,
 CTR_VIDEO_MODE_3D
}ctr_video_mode_enum;

typedef struct ctr_video
{
 struct
 {
 struct
 {
 void* left;
 void* right;
 }top;
 }drawbuffers;
 void* depthbuffer;

 struct
 {
 uint32_t* display_list;
 int display_list_size;
 void* texture_linear;
 void* texture_swizzled;
 int texture_width;
 int texture_height;
 ctr_scale_vector_t scale_vector;
 ctr_vertex_t* frame_coords;
 }menu;

 uint32_t* display_list;
 int display_list_size;
 void* texture_linear;
 void* texture_swizzled;
 int texture_width;
 int texture_height;

 ctr_scale_vector_t scale_vector;
 ctr_vertex_t* frame_coords;

 DVLB_s* dvlb;
 shaderProgram_s shader;

 video_viewport_t vp;

 bool rgb32;
 bool vsync;
 bool smooth;
 bool menu_texture_enable;
 bool menu_texture_frame_enable;
 unsigned rotation;
 bool keep_aspect;
 bool should_resize;
 bool lcd_buttom_on;
 bool msg_rendering_enabled;

 void* empty_framebuffer;

 aptHookCookie lcd_aptHook;
 ctr_video_mode_enum video_mode;
 int current_buffer_top;

 bool p3d_event_pending;
 bool ppf_event_pending;
 volatile bool vsync_event_pending;

 struct
 {
 ctr_vertex_t* buffer;
 ctr_vertex_t* current;
 int size;
 }vertex_cache;

} ctr_video_t;

typedef struct ctr_texture
{
 int width;
 int height;
 int active_width;
 int active_height;

 enum texture_filter_type type;
 void* data;
} ctr_texture_t;

static INLINE void ctr_set_scale_vector(ctr_scale_vector_t* vec,
 int viewport_width, int viewport_height,
 int texture_width, int texture_height)
{
 vec->x = -2.0 / viewport_width;
 vec->y = -2.0 / viewport_height;
 vec->u = 1.0 / texture_width;
 vec->v = -1.0 / texture_height;
}


#endif // CTR_COMMON_H__