diff options
Diffstat (limited to 'src/devices/machine/spg_renderer.h')
-rw-r--r-- | src/devices/machine/spg_renderer.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/devices/machine/spg_renderer.h b/src/devices/machine/spg_renderer.h new file mode 100644 index 00000000000..b774eacf032 --- /dev/null +++ b/src/devices/machine/spg_renderer.h @@ -0,0 +1,121 @@ +// license:BSD-3-Clause +// copyright-holders:David Haywood, Ryan Holtz + +#ifndef MAME_MACHINE_SPG_RENDERER_H +#define MAME_MACHINE_SPG_RENDERER_H + +#pragma once + +#include "screen.h" + +class spg_renderer_device : public device_t +{ +public: + spg_renderer_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + spg_renderer_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + void draw_sprites(bool read_from_csspace, int extended_sprites_mode, bool alt_extrasprite_hack, uint32_t palbank, bool highres, const rectangle& cliprect, uint32_t scanline, int priority, uint32_t spritegfxdata_addr, address_space& spc, uint16_t* paletteram, uint16_t* spriteram, int sprlimit); + void draw_page(bool read_from_csspace, bool has_extended_tilemaps, bool use_alt_tile_addressing, uint32_t palbank, const rectangle& cliprect, uint32_t scanline, int priority, uint32_t tilegfxdata_addr, uint16_t* scrollregs, uint16_t* tilemapregs, address_space& spc, uint16_t* paletteram, uint16_t* scrollram, uint32_t which); + void new_line(const rectangle& cliprect); + + void apply_saturation_and_fade(bitmap_rgb32& bitmap, const rectangle& cliprect, int scanline); + + void set_video_reg_1c(uint16_t val) { m_video_regs_1c = val; update_vcmp_table(); } + void set_video_reg_1d(uint16_t val) { m_video_regs_1d = val; update_vcmp_table(); } + void set_video_reg_1e(uint16_t val) { m_video_regs_1e = val; update_vcmp_table(); } + void set_video_reg_2a(uint16_t val) { m_video_regs_2a = val; } + void set_video_reg_30(uint16_t val) + { + if (m_video_regs_30 != val) + m_brightness_or_saturation_dirty = true; + + m_video_regs_30 = val; + } + void set_video_reg_3c(uint16_t val) + { + if (m_video_regs_3c != val) + m_brightness_or_saturation_dirty = true; + + m_video_regs_3c = val; + } + void set_video_reg_42(uint16_t val) { m_video_regs_42 = val; } + + uint16_t get_video_reg_1c(void) { return m_video_regs_1c; } + uint16_t get_video_reg_1d(void) { return m_video_regs_1d; } + uint16_t get_video_reg_1e(void) { return m_video_regs_1e; } + uint16_t get_video_reg_2a(void) { return m_video_regs_2a; } + uint16_t get_video_reg_30(void) { return m_video_regs_30; } + uint16_t get_video_reg_3c(void) { return m_video_regs_3c; } + uint16_t get_video_reg_42(void) { return m_video_regs_42; } + + // used by some hack logic for the gpl16250 rendering for now + void set_video_reg_7f(uint16_t val) { m_video_regs_7f = val; } + uint16_t get_video_reg_7f(void) { return m_video_regs_7f; } + + auto space_read_callback() { return m_space_read_cb.bind(); } + void set_video_spaces(address_space* cpuspace, address_space* cs_space, uint32_t csbase) { m_cpuspace = cpuspace; m_cs_space = cs_space; m_csbase = csbase; } + +protected: + + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + + enum blend_enable_t : const bool + { + BlendOff = false, + BlendOn = true + }; + + enum flipx_t : const bool + { + FlipXOff = false, + FlipXOn = true + }; + + template<spg_renderer_device::blend_enable_t Blend, spg_renderer_device::flipx_t FlipX> + inline void draw_tilestrip(bool read_from_csspace, uint32_t screenwidth, uint32_t drawwidthmask, const rectangle& cliprect, uint32_t tile_h, uint32_t tile_w, uint32_t tilegfxdata_addr, uint32_t tile, uint32_t tile_scanline, int drawx, bool flip_y, uint32_t palette_offset, const uint32_t nc_bpp, const uint32_t bits_per_row, const uint32_t words_per_tile, address_space &spc, uint16_t* palette, uint8_t blendlevel); + + inline void draw_tilestrip(bool read_from_csspace, uint32_t screenwidth, uint32_t drawwidthmask, spg_renderer_device::blend_enable_t blend, spg_renderer_device::flipx_t flip_x, const rectangle& cliprect, uint32_t tile_h, uint32_t tile_w, uint32_t tilegfxdata_addr, uint32_t tile, uint32_t tile_scanline, int drawx, bool flip_y, uint32_t palette_offset, const uint32_t nc_bpp, const uint32_t bits_per_row, const uint32_t words_per_tile, address_space& spc, uint16_t* paletteram, uint8_t blendlevel); + + inline void draw_sprite(bool read_from_csspace, int extended_sprites_mode, bool alt_extrasprite_hack, uint32_t palbank, bool highres, const rectangle& cliprect, uint32_t scanline, int priority, uint32_t spritegfxdata_addr, uint32_t base_addr, address_space& spc, uint16_t* paletteram, uint16_t* spriteram); + + inline void draw_linemap(bool has_extended_tilemaps, const rectangle& cliprect, uint32_t scanline, int priority, uint32_t tilegfxdata_addr, uint16_t* scrollregs, uint16_t* tilemapregs, address_space& spc, uint16_t* paletteram); + + inline uint8_t mix_channel(uint8_t a, uint8_t b, uint8_t alpha); + + uint8_t m_rgb5_to_rgb8[32]; + uint32_t m_rgb555_to_rgb888[0x8000]; + uint32_t m_rgb555_to_rgb888_current[0x8000]; + +private: + + void update_vcmp_table(); + + uint16_t m_video_regs_1c; + uint16_t m_video_regs_1d; + uint16_t m_video_regs_1e; + + uint16_t m_video_regs_2a; + uint16_t m_video_regs_42; + + uint16_t m_video_regs_30; + uint16_t m_video_regs_3c; + + uint16_t m_video_regs_7f; + + uint32_t m_ycmp_table[480]; + + devcb_read16 m_space_read_cb; + + address_space* m_cpuspace; + address_space* m_cs_space; + uint32_t m_csbase; + bool m_brightness_or_saturation_dirty; + void update_palette_lookup(void); + uint16_t m_linebuf[640]; +}; + +DECLARE_DEVICE_TYPE(SPG_RENDERER, spg_renderer_device) + + +#endif // MAME_MACHINE_SPG_RENDERER_H |