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Diffstat (limited to 'src/osd/modules/render/drawsdl.h')
-rw-r--r-- | src/osd/modules/render/drawsdl.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/osd/modules/render/drawsdl.h b/src/osd/modules/render/drawsdl.h new file mode 100644 index 00000000000..d22c27f8c6f --- /dev/null +++ b/src/osd/modules/render/drawsdl.h @@ -0,0 +1,84 @@ +// 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(NULL) + , m_texture_id(NULL) + , m_yuv_lookup(NULL) + , m_yuv_bitmap(NULL) + //, 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(); + + /* virtual */ int create() override; + /* virtual */ int init(running_machine &machine) 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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