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-snes_ppu: Ported over more of bsnes's ppu-fast implementation. Fixes many bugs, possibly causes more. [byuu, Ryan Holtz]

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This commit is contained in:
MooglyGuy 2019-11-05 22:18:26 +01:00
parent 6b6af5c63b
commit de541003e1
2 changed files with 388 additions and 658 deletions
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1013
src/devices/video/snes_ppu.cpp
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33
src/devices/video/snes_ppu.h
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@ -48,7 +48,7 @@ public:
void refresh_scanline(bitmap_rgb32 &bitmap, uint16_t curline);
int16_t current_x() const { return screen().hpos() / m_htmult; }
int16_t current_x() const { return screen().hpos(); }
int16_t current_y() const { return screen().vpos(); }
void set_latch_hv(int16_t x, int16_t y);
@ -72,7 +72,7 @@ public:
m_interlace = 1;
m_obj_interlace = 1;
}
void set_current_vert(uint16_t value) { m_beam.current_vert = value; }
void set_current_vert(uint16_t value);
void set_first_sprite() { m_oam.first_sprite = m_oam.priority_rotation ? ((m_oam.address >> 1) & 127) : 0; }
protected:
@ -152,7 +152,7 @@ protected:
uint8_t saved_address_high;
uint16_t address;
uint16_t priority_rotation;
uint8_t next_charmap;
uint16_t next_charmap;
uint8_t next_size;
uint8_t size;
uint32_t next_name_select;
@ -182,8 +182,8 @@ protected:
int16_t matrix_d;
int16_t origin_x;
int16_t origin_y;
uint16_t hor_offset;
uint16_t ver_offset;
int16_t hor_offset;
int16_t ver_offset;
uint8_t extbg;
} m_mode7;
@ -192,6 +192,7 @@ protected:
uint16_t tile;
int16_t x, y;
uint8_t size, vflip, hflip, priority_bits, pal;
uint8_t nameselect;
int height, width;
};
@ -266,14 +267,10 @@ protected:
inline uint16_t get_bgcolor(uint8_t direct_colors, uint16_t palette, uint8_t color);
inline void set_scanline_pixel(int screen, int16_t x, uint16_t color, uint8_t priority, uint8_t layer, int blend);
inline void draw_bgtile_lores(uint8_t layer, int16_t ii, uint8_t colour, uint16_t pal, uint8_t direct_colors, uint8_t priority);
inline void draw_bgtile_hires(uint8_t layer, int16_t ii, uint8_t colour, uint16_t pal, uint8_t direct_colors, uint8_t priority);
inline void draw_oamtile(int16_t ii, uint8_t colour, uint16_t pal, uint8_t priority);
inline void draw_tile(uint8_t planes, uint8_t layer, uint32_t tileaddr, int16_t x, uint8_t priority, uint8_t flip, uint8_t direct_colors, uint16_t pal, uint8_t hires);
inline uint32_t get_tmap_addr(uint8_t layer, uint8_t hires, uint8_t tile_size, uint32_t base, uint32_t x, uint32_t y);
inline void draw_oamtile(uint32_t tileaddr, int16_t tile_x, uint8_t priority, uint8_t flip, uint16_t pal, uint8_t *palbuf, uint8_t *pribuf);
inline uint32_t get_tile(uint8_t layer_idx, uint32_t hoffset, uint32_t voffset);
inline void update_line(uint16_t curline, uint8_t layer, uint8_t direct_colors);
void update_line_mode7(uint16_t curline, uint8_t layer);
void update_line(uint16_t curline, uint8_t layer, uint8_t direct_colors);
void update_line_mode7(uint16_t curline, uint8_t layer_idx);
void update_obsel(void);
void oam_list_build(void);
int is_sprite_on_scanline(uint16_t curline, uint8_t sprite);
@ -288,12 +285,15 @@ protected:
void update_mode_6(uint16_t curline);
void update_mode_7(uint16_t curline);
void draw_screens(uint16_t curline);
void update_windowmasks(void);
void update_offsets(void);
void render_window(uint16_t layer_idx, uint8_t enable, uint8_t *output);
inline void plot_above(uint16_t x, uint8_t source, uint8_t priority, uint16_t color, int blend_exception = 0);
inline void plot_below(uint16_t x, uint8_t source, uint8_t priority, uint16_t color, int blend_exception = 0);
void update_color_windowmasks(uint8_t mask, uint8_t *output);
void update_video_mode(void);
void cache_background(void);
void cache_background();
uint16_t pixel(uint16_t x, SNES_SCANLINE *above, SNES_SCANLINE *below, uint8_t *window_above, uint8_t *window_below);
uint16_t direct_color(uint16_t palette, uint16_t group);
inline void draw_blend(uint16_t offset, uint16_t *colour, uint8_t prevent_color_math, uint8_t black_pen_clip, int switch_screens);
inline uint16_t blend(uint16_t x, uint16_t y, bool halve);
void dynamic_res_change();
inline uint32_t get_vram_address();
@ -307,6 +307,7 @@ protected:
std::unique_ptr<uint16_t[]> m_oam_ram; /* Object Attribute Memory */
std::unique_ptr<uint16_t[]> m_cgram; /* Palette RAM */
std::unique_ptr<uint8_t[]> m_vram; /* Video RAM (TODO: Should be 16-bit, but it's easier this way) */
std::unique_ptr<std::unique_ptr<uint16_t[]>[]> m_light_table; /* Luma ramp */
// device-level overrides
virtual void device_start() override;