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// license:BSD-3-Clause
// copyright-holders:Couriersud, Olivier Galibert, R. Belmont
//============================================================
//
// drawsdl.h - SDL software and OpenGL implementation
//
// SDLMAME by Olivier Galibert and R. Belmont
//
// yuvmodes by Couriersud
//
//============================================================
#pragma once
#ifndef __DRAWSDL2__
#define __DRAWSDL2__
/* renderer_sdl2 is the information about SDL for the current screen */
class renderer_sdl2 : public osd_renderer
{
public:
renderer_sdl2(osd_window *w, int extra_flags)
: osd_renderer(w, extra_flags)
, m_sdl_renderer(nullptr)
, m_texture_id(nullptr)
, m_yuv_lookup(nullptr)
, m_yuv_bitmap(nullptr)
//, m_hw_scale_width(0)
//, m_hw_scale_height(0)
, m_last_hofs(0)
, m_last_vofs(0)
, m_blit_dim(0, 0)
, m_last_dim(0, 0)
{
}
virtual ~renderer_sdl2();
static bool init(running_machine &machine);
static void exit() { }
virtual int create() override;
virtual int draw(const int update) override;
virtual int xy_to_render_target(const int x, const int y, int *xt, int *yt) override;
virtual render_primitive_list *get_primitives() override;
private:
void show_info(struct SDL_RendererInfo *render_info);
void destroy_all_textures();
void yuv_init();
void setup_texture(const osd_dim &size);
void yuv_lookup_set(unsigned int pen, unsigned char red,
unsigned char green, unsigned char blue);
INT32 m_blittimer;
SDL_Renderer *m_sdl_renderer;
SDL_Texture *m_texture_id;
// YUV overlay
UINT32 *m_yuv_lookup;
UINT16 *m_yuv_bitmap;
// if we leave scaling to SDL and the underlying driver, this
// is the render_target_width/height to use
int m_last_hofs;
int m_last_vofs;
osd_dim m_blit_dim;
osd_dim m_last_dim;
};
struct sdl_scale_mode
{
const char *name;
int is_scale; /* Scale mode? */
int is_yuv; /* Yuv mode? */
int mult_w; /* Width multiplier */
int mult_h; /* Height multiplier */
const char *sdl_scale_mode_hint; /* what to use as a hint ? */
int pixel_format; /* Pixel/Overlay format */
void (*yuv_blit)(const UINT16 *bitmap, UINT8 *ptr, const int pitch, const UINT32 *lookup, const int width, const int height);
};
#endif // __DRAWSDL2__
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