// license:BSD-3-Clause // copyright-holders:ElSemi #ifndef MAME_VIDEO_VRENDER0_H #define MAME_VIDEO_VRENDER0_H #pragma once /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ class vr0video_device : public device_t, public device_video_interface { public: vr0video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); void set_areas(uint16_t *textureram, uint16_t *frameram); void regs_map(address_map &map); void execute_flipping(); uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); auto idleskip_cb() { return m_idleskip_cb.bind(); } DECLARE_READ16_MEMBER(flip_count_r); DECLARE_WRITE16_MEMBER(flip_count_w); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; private: int vrender0_ProcessPacket(uint32_t PacketPtr); devcb_write_line m_idleskip_cb; struct RenderStateInfo { uint32_t Tx; uint32_t Ty; uint32_t Txdx; uint32_t Tydx; uint32_t Txdy; uint32_t Tydy; uint32_t SrcAlphaColor; uint32_t SrcBlend; uint32_t DstAlphaColor; uint32_t DstBlend; uint32_t ShadeColor; uint32_t TransColor; uint32_t TileOffset; uint32_t FontOffset; uint32_t PalOffset; uint32_t PaletteBank; uint32_t TextureMode; uint32_t PixelFormat; uint32_t Width; uint32_t Height; }; uint16_t m_InternalPalette[256]; uint32_t m_LastPalUpdate; RenderStateInfo m_RenderState; uint8_t *m_textureram; uint16_t *m_packetram; uint16_t *m_frameram; DECLARE_READ16_MEMBER( cmd_queue_front_r ); DECLARE_WRITE16_MEMBER( cmd_queue_front_w ); DECLARE_READ16_MEMBER( cmd_queue_rear_r ); uint16_t m_queue_rear, m_queue_front; DECLARE_READ16_MEMBER( bank1_select_r ); DECLARE_WRITE16_MEMBER( bank1_select_w ); bool m_bank1_select; //!< Select framebuffer bank1 address DECLARE_READ16_MEMBER( display_bank_r ); uint8_t m_display_bank; //!< Current display bank DECLARE_READ16_MEMBER( render_control_r ); DECLARE_WRITE16_MEMBER( render_control_w ); bool m_draw_select; //!< If true, device draws to Front buffer instead of Back bool m_render_reset; //!< Reset pipeline FIFO bool m_render_start; //!< Enable pipeline processing uint8_t m_dither_mode; //!< applied on RGB888 to RGB565 conversions (00: 2x2, 01:4x4, 1x disable) uint8_t m_flip_count; //!< number of framebuffer "syncs" loaded in the parameter RAM, //!< a.k.a. how many full (vblank) buffers are ready for the device to parse. uint16_t *m_DrawDest; //!< frameram pointer to draw buffer area uint16_t *m_DisplayDest; //!< frameram pointer to display buffer area }; DECLARE_DEVICE_TYPE(VIDEO_VRENDER0, vr0video_device) #endif // MAME_VIDEO_VRENDER0_H