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captain-amygdala.pistorm/platforms/amiga/rtg/rtg.h
Andrew Hutchings 10d5229b68 Add license information to source 
MIT license was chosen
2021-04-16 09:06:27 +01:00

296 lines
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C
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// SPDX-License-Identifier: MIT
#define PIGFX_RTG_BASE 0x70000000
#define PIGFX_REG_SIZE 0x00010000
#define PIGFX_RTG_SIZE 0x02000000
#define PIGFX_SCRATCH_SIZE 0x00800000
#define PIGFX_SCRATCH_AREA 0x72010000
#define PIGFX_UPPER 0x72810000
#define CARD_OFFSET 0
#include "rtg_driver_amiga/rtg_enums.h"
void rtg_write(uint32_t address, uint32_t value, uint8_t mode);
unsigned int rtg_read(uint32_t address, uint8_t mode);
void rtg_set_clut_entry(uint8_t index, uint32_t xrgb);
void rtg_init_display();
void rtg_shutdown_display();
void rtg_fillrect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t color, uint16_t pitch, uint16_t format, uint8_t mask);
void rtg_fillrect_solid(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t color, uint16_t pitch, uint16_t format);
void rtg_invertrect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format, uint8_t mask);
void rtg_blitrect(uint16_t x, uint16_t y, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format, uint8_t mask);
void rtg_blitrect_solid(uint16_t x, uint16_t y, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format);
void rtg_blitrect_nomask_complete(uint16_t sx, uint16_t sy, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t srcpitch, uint16_t dstpitch, uint32_t src_addr, uint32_t dst_addr, uint16_t format, uint8_t minterm);
void rtg_blittemplate(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t src_addr, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t t_pitch, uint16_t format, uint16_t offset_x, uint8_t mask, uint8_t draw_mode);
void rtg_blitpattern(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t src_addr, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t format, uint16_t offset_x, uint16_t offset_y, uint8_t mask, uint8_t draw_mode, uint8_t loop_rows);
void rtg_drawline_solid(int16_t x1_, int16_t y1_, int16_t x2_, int16_t y2_, uint16_t len, uint32_t fgcol, uint16_t pitch, uint16_t format);
void rtg_drawline (int16_t x1_, int16_t y1_, int16_t x2_, int16_t y2_, uint16_t len, uint16_t pattern, uint16_t pattern_offset, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t format, uint8_t mask, uint8_t draw_mode);
void rtg_p2c (int16_t sx, int16_t sy, int16_t dx, int16_t dy, int16_t w, int16_t h, uint8_t draw_mode, uint8_t planes, uint8_t mask, uint8_t layer_mask, uint16_t src_line_pitch, uint8_t *bmp_data_src);
#define PATTERN_LOOPX \
tmpl_x ^= 0x01; \
cur_byte = (invert) ? sptr[tmpl_x] ^ 0xFF : sptr[tmpl_x]; \
#define PATTERN_LOOPY \
sptr += 2 ; \
if ((ys + offset_y + 1) % loop_rows == 0) \
sptr = sptr_base; \
tmpl_x = (offset_x / 8) % 2; \
cur_bit = base_bit; \
dptr += pitch;
#define TEMPLATE_LOOPX \
tmpl_x++; \
cur_byte = (invert) ? sptr[tmpl_x] ^ 0xFF : sptr[tmpl_x]; \
#define TEMPLATE_LOOPY \
sptr += t_pitch; \
dptr += pitch; \
tmpl_x = offset_x / 8; \
cur_bit = base_bit;
#define INVERT_RTG_PIXELS(dest, format) \
switch (format) { \
case RTGFMT_8BIT: \
if (cur_byte & 0x80) (dest)[0] ^= mask; \
if (cur_byte & 0x40) (dest)[1] ^= mask; \
if (cur_byte & 0x20) (dest)[2] ^= mask; \
if (cur_byte & 0x10) (dest)[3] ^= mask; \
if (cur_byte & 0x08) (dest)[4] ^= mask; \
if (cur_byte & 0x04) (dest)[5] ^= mask; \
if (cur_byte & 0x02) (dest)[6] ^= mask; \
if (cur_byte & 0x01) (dest)[7] ^= mask; \
break; \
case RTGFMT_RBG565: \
if (cur_byte & 0x80) ((uint16_t *)dest)[0] = ~((uint16_t *)dest)[0]; \
if (cur_byte & 0x40) ((uint16_t *)dest)[1] = ~((uint16_t *)dest)[1]; \
if (cur_byte & 0x20) ((uint16_t *)dest)[2] = ~((uint16_t *)dest)[2]; \
if (cur_byte & 0x10) ((uint16_t *)dest)[3] = ~((uint16_t *)dest)[3]; \
if (cur_byte & 0x08) ((uint16_t *)dest)[4] = ~((uint16_t *)dest)[4]; \
if (cur_byte & 0x04) ((uint16_t *)dest)[5] = ~((uint16_t *)dest)[5]; \
if (cur_byte & 0x02) ((uint16_t *)dest)[6] = ~((uint16_t *)dest)[6]; \
if (cur_byte & 0x01) ((uint16_t *)dest)[7] = ~((uint16_t *)dest)[7]; \
break; \
case RTGFMT_RGB32: \
if (cur_byte & 0x80) ((uint32_t *)dest)[0] = ~((uint32_t *)dest)[0]; \
if (cur_byte & 0x40) ((uint32_t *)dest)[1] = ~((uint32_t *)dest)[1]; \
if (cur_byte & 0x20) ((uint32_t *)dest)[2] = ~((uint32_t *)dest)[2]; \
if (cur_byte & 0x10) ((uint32_t *)dest)[3] = ~((uint32_t *)dest)[3]; \
if (cur_byte & 0x08) ((uint32_t *)dest)[4] = ~((uint32_t *)dest)[4]; \
if (cur_byte & 0x04) ((uint32_t *)dest)[5] = ~((uint32_t *)dest)[5]; \
if (cur_byte & 0x02) ((uint32_t *)dest)[6] = ~((uint32_t *)dest)[6]; \
if (cur_byte & 0x01) ((uint32_t *)dest)[7] = ~((uint32_t *)dest)[7]; \
break; \
}
#define SET_RTG_PIXELS_MASK(dest, src, format) \
if (cur_byte & 0x80) (dest)[0] = src ^ ((dest)[0] & ~mask); \
if (cur_byte & 0x40) (dest)[1] = src ^ ((dest)[1] & ~mask); \
if (cur_byte & 0x20) (dest)[2] = src ^ ((dest)[2] & ~mask); \
if (cur_byte & 0x10) (dest)[3] = src ^ ((dest)[3] & ~mask); \
if (cur_byte & 0x08) (dest)[4] = src ^ ((dest)[4] & ~mask); \
if (cur_byte & 0x04) (dest)[5] = src ^ ((dest)[5] & ~mask); \
if (cur_byte & 0x02) (dest)[6] = src ^ ((dest)[6] & ~mask); \
if (cur_byte & 0x01) (dest)[7] = src ^ ((dest)[7] & ~mask); \
#define SET_RTG_PIXELS2_COND_MASK(dest, src, src2, format) \
(dest)[0] = (cur_byte & 0x80) ? src : src2 ^ ((dest)[0] & ~mask); \
(dest)[1] = (cur_byte & 0x40) ? src : src2 ^ ((dest)[1] & ~mask); \
(dest)[2] = (cur_byte & 0x20) ? src : src2 ^ ((dest)[2] & ~mask); \
(dest)[3] = (cur_byte & 0x10) ? src : src2 ^ ((dest)[3] & ~mask); \
(dest)[4] = (cur_byte & 0x08) ? src : src2 ^ ((dest)[4] & ~mask); \
(dest)[5] = (cur_byte & 0x04) ? src : src2 ^ ((dest)[5] & ~mask); \
(dest)[6] = (cur_byte & 0x02) ? src : src2 ^ ((dest)[6] & ~mask); \
(dest)[7] = (cur_byte & 0x01) ? src : src2 ^ ((dest)[7] & ~mask); \
#define SET_RTG_PIXELS(dest, src, format) \
switch (format) { \
case RTGFMT_8BIT: \
if (cur_byte & 0x80) (dest)[0] = src; \
if (cur_byte & 0x40) (dest)[1] = src; \
if (cur_byte & 0x20) (dest)[2] = src; \
if (cur_byte & 0x10) (dest)[3] = src; \
if (cur_byte & 0x08) (dest)[4] = src; \
if (cur_byte & 0x04) (dest)[5] = src; \
if (cur_byte & 0x02) (dest)[6] = src; \
if (cur_byte & 0x01) (dest)[7] = src; \
break; \
case RTGFMT_RBG565: \
if (cur_byte & 0x80) ((uint16_t *)dest)[0] = src; \
if (cur_byte & 0x40) ((uint16_t *)dest)[1] = src; \
if (cur_byte & 0x20) ((uint16_t *)dest)[2] = src; \
if (cur_byte & 0x10) ((uint16_t *)dest)[3] = src; \
if (cur_byte & 0x08) ((uint16_t *)dest)[4] = src; \
if (cur_byte & 0x04) ((uint16_t *)dest)[5] = src; \
if (cur_byte & 0x02) ((uint16_t *)dest)[6] = src; \
if (cur_byte & 0x01) ((uint16_t *)dest)[7] = src; \
break; \
case RTGFMT_RGB32: \
if (cur_byte & 0x80) ((uint32_t *)dest)[0] = src; \
if (cur_byte & 0x40) ((uint32_t *)dest)[1] = src; \
if (cur_byte & 0x20) ((uint32_t *)dest)[2] = src; \
if (cur_byte & 0x10) ((uint32_t *)dest)[3] = src; \
if (cur_byte & 0x08) ((uint32_t *)dest)[4] = src; \
if (cur_byte & 0x04) ((uint32_t *)dest)[5] = src; \
if (cur_byte & 0x02) ((uint32_t *)dest)[6] = src; \
if (cur_byte & 0x01) ((uint32_t *)dest)[7] = src; \
break; \
}
#define SET_RTG_PIXELS2_COND(dest, src, src2, format) \
switch (format) { \
case RTGFMT_8BIT: \
(dest)[0] = (cur_byte & 0x80) ? src : src2; \
(dest)[1] = (cur_byte & 0x40) ? src : src2; \
(dest)[2] = (cur_byte & 0x20) ? src : src2; \
(dest)[3] = (cur_byte & 0x10) ? src : src2; \
(dest)[4] = (cur_byte & 0x08) ? src : src2; \
(dest)[5] = (cur_byte & 0x04) ? src : src2; \
(dest)[6] = (cur_byte & 0x02) ? src : src2; \
(dest)[7] = (cur_byte & 0x01) ? src : src2; \
break; \
case RTGFMT_RBG565: \
((uint16_t *)dest)[0] = (cur_byte & 0x80) ? src : src2; \
((uint16_t *)dest)[1] = (cur_byte & 0x40) ? src : src2; \
((uint16_t *)dest)[2] = (cur_byte & 0x20) ? src : src2; \
((uint16_t *)dest)[3] = (cur_byte & 0x10) ? src : src2; \
((uint16_t *)dest)[4] = (cur_byte & 0x08) ? src : src2; \
((uint16_t *)dest)[5] = (cur_byte & 0x04) ? src : src2; \
((uint16_t *)dest)[6] = (cur_byte & 0x02) ? src : src2; \
((uint16_t *)dest)[7] = (cur_byte & 0x01) ? src : src2; \
break; \
case RTGFMT_RGB32: \
((uint32_t *)dest)[0] = (cur_byte & 0x80) ? src : src2; \
((uint32_t *)dest)[1] = (cur_byte & 0x40) ? src : src2; \
((uint32_t *)dest)[2] = (cur_byte & 0x20) ? src : src2; \
((uint32_t *)dest)[3] = (cur_byte & 0x10) ? src : src2; \
((uint32_t *)dest)[4] = (cur_byte & 0x08) ? src : src2; \
((uint32_t *)dest)[5] = (cur_byte & 0x04) ? src : src2; \
((uint32_t *)dest)[6] = (cur_byte & 0x02) ? src : src2; \
((uint32_t *)dest)[7] = (cur_byte & 0x01) ? src : src2; \
break; \
}
#define SET_RTG_PIXEL(dest, src, format) \
switch (format) { \
case RTGFMT_8BIT: \
*(dest) = src; \
break; \
case RTGFMT_RBG565: \
*((uint16_t *)dest) = src; \
break; \
case RTGFMT_RGB32: \
*((uint32_t *)dest) = src; \
break; \
}
#define SET_RTG_PIXEL_MASK(dest, src, format) \
switch (format) { \
case RTGFMT_8BIT: \
*(dest) = src ^ (*(dest) & ~mask); \
break; \
case RTGFMT_RBG565: \
*((uint16_t *)dest) = src; \
break; \
case RTGFMT_RGB32: \
*((uint32_t *)dest) = src; \
break; \
}
#define INVERT_RTG_PIXEL(dest, format) \
switch (format) { \
case RTGFMT_8BIT: \
*(dest) ^= mask; \
break; \
case RTGFMT_RBG565: \
*((uint16_t *)dest) = ~*((uint16_t *)dest); \
break; \
case RTGFMT_RGB32: \
*((uint32_t *)dest) = ~*((uint32_t *)dest); \
break; \
}
#define HANDLE_MINTERM_PIXEL(s, d, f) \
switch(draw_mode) {\
case MINTERM_NOR: \
s &= ~(d); \
SET_RTG_PIXEL_MASK(&d, s, f); break; \
case MINTERM_ONLYDST: \
d = d & ~(s); break; \
case MINTERM_NOTSRC: \
SET_RTG_PIXEL_MASK(&d, s, f); break; \
case MINTERM_ONLYSRC: \
s &= (d ^ 0xFF); \
SET_RTG_PIXEL_MASK(&d, s, f); break; \
case MINTERM_INVERT: \
d ^= 0xFF; break; \
case MINTERM_EOR: \
d ^= s; break; \
case MINTERM_NAND: \
s = ~(d & ~(s)) & mask; \
SET_RTG_PIXEL_MASK(&d, s, f); break; \
case MINTERM_AND: \
s &= d; \
SET_RTG_PIXEL_MASK(&d, s, f); break; \
case MINTERM_NEOR: \
d ^= (s & mask); break; \
case MINTERM_DST: /* This one does nothing. */ \
return; break; \
case MINTERM_NOTONLYSRC: \
d |= (s & mask); break; \
case MINTERM_SRC: \
SET_RTG_PIXEL_MASK(&d, s, f); break; \
case MINTERM_NOTONLYDST: \
s = ~(d & s) & mask; \
SET_RTG_PIXEL_MASK(&d, s, f); break; \
case MINTERM_OR: \
d |= (s & mask); break; \
}
#define DECODE_PLANAR_PIXEL(a) \
switch (planes) { \
case 8: if (layer_mask & 0x80 && bmp_data[(plane_size * 7) + cur_byte] & cur_bit) a |= 0x80; \
/* Fallthrough */ \
case 7: if (layer_mask & 0x40 && bmp_data[(plane_size * 6) + cur_byte] & cur_bit) a |= 0x40; \
/* Fallthrough */ \
case 6: if (layer_mask & 0x20 && bmp_data[(plane_size * 5) + cur_byte] & cur_bit) a |= 0x20; \
/* Fallthrough */ \
case 5: if (layer_mask & 0x10 && bmp_data[(plane_size * 4) + cur_byte] & cur_bit) a |= 0x10; \
/* Fallthrough */ \
case 4: if (layer_mask & 0x08 && bmp_data[(plane_size * 3) + cur_byte] & cur_bit) a |= 0x08; \
/* Fallthrough */ \
case 3: if (layer_mask & 0x04 && bmp_data[(plane_size * 2) + cur_byte] & cur_bit) a |= 0x04; \
/* Fallthrough */ \
case 2: if (layer_mask & 0x02 && bmp_data[plane_size + cur_byte] & cur_bit) a |= 0x02; \
/* Fallthrough */ \
case 1: if (layer_mask & 0x01 && bmp_data[cur_byte] & cur_bit) a |= 0x01; \
break; \
}
#define DECODE_INVERTED_PLANAR_PIXEL(a) \
switch (planes) { \
case 8: if (layer_mask & 0x80 && (bmp_data[(plane_size * 7) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x80; \
/* Fallthrough */ \
case 7: if (layer_mask & 0x40 && (bmp_data[(plane_size * 6) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x40; \
/* Fallthrough */ \
case 6: if (layer_mask & 0x20 && (bmp_data[(plane_size * 5) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x20; \
/* Fallthrough */ \
case 5: if (layer_mask & 0x10 && (bmp_data[(plane_size * 4) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x10; \
/* Fallthrough */ \
case 4: if (layer_mask & 0x08 && (bmp_data[(plane_size * 3) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x08; \
/* Fallthrough */ \
case 3: if (layer_mask & 0x04 && (bmp_data[(plane_size * 2) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x04; \
/* Fallthrough */ \
case 2: if (layer_mask & 0x02 && (bmp_data[plane_size + cur_byte] ^ 0xFF) & cur_bit) a |= 0x02; \
/* Fallthrough */ \
case 1: if (layer_mask & 0x01 && (bmp_data[cur_byte] ^ 0xFF) & cur_bit) a |= 0x01; \
break; \
}
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