#include <stdlib.h>
#include <string.h>
#include "gpu.h"
+#include "../../libpcsxcore/gpu.h" // meh
+#include "../../frontend/plugin_lib.h"
+#ifndef ARRAY_SIZE
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
#ifdef __GNUC__
#define unlikely(x) __builtin_expect((x), 0)
#define preload __builtin_prefetch
gpu.screen.hres = gpu.screen.w = 256;
gpu.screen.vres = gpu.screen.h = 240;
gpu.screen.x = gpu.screen.y = 0;
+ renderer_sync_ecmds(gpu.ex_regs);
renderer_notify_res_change();
}
int hres = hres_all[(gpu.status >> 16) & 7];
int pal = gpu.status & PSX_GPU_STATUS_PAL;
int sw = gpu.screen.x2 - gpu.screen.x1;
+ int type = gpu.state.screen_centering_type;
int x = 0, x_auto;
+ if (type == C_AUTO)
+ type = gpu.state.screen_centering_type_default;
if (sw <= 0)
/* nothing displayed? */;
else {
x = (x + 1) & ~1; // blitter limitation
sw /= hdiv;
sw = (sw + 2) & ~3; // according to nocash
- switch (gpu.state.screen_centering_type) {
- case 1:
+ switch (type) {
+ case C_INGAME:
break;
- case 2:
+ case C_MANUAL:
x = gpu.state.screen_centering_x;
break;
default:
/* nothing displayed? */;
else {
switch (gpu.state.screen_centering_type) {
- case 1:
+ case C_INGAME:
+ break;
+ case C_BORDERLESS:
+ y = 0;
break;
- case 2:
+ case C_MANUAL:
y = gpu.state.screen_centering_y;
break;
default:
return gpu.frameskip.allow;
}
+static void flush_cmd_buffer(void);
+
static noinline void get_gpu_info(uint32_t data)
{
+ if (unlikely(gpu.cmd_len > 0))
+ flush_cmd_buffer();
switch (data & 0x0f) {
case 0x02:
case 0x03:
void GPUwriteStatus(uint32_t data)
{
uint32_t cmd = data >> 24;
+ int src_x, src_y;
if (cmd < ARRAY_SIZE(gpu.regs)) {
if (cmd > 1 && cmd != 5 && gpu.regs[cmd] == data)
gpu.status |= PSX_GPU_STATUS_DMA(data & 3);
break;
case 0x05:
- gpu.screen.src_x = data & 0x3ff;
- gpu.screen.src_y = (data >> 10) & 0x1ff;
- renderer_notify_scanout_x_change(gpu.screen.src_x, gpu.screen.hres);
- if (gpu.frameskip.set) {
- decide_frameskip_allow(gpu.ex_regs[3]);
- if (gpu.frameskip.last_flip_frame != *gpu.state.frame_count) {
- decide_frameskip();
- gpu.frameskip.last_flip_frame = *gpu.state.frame_count;
+ src_x = data & 0x3ff; src_y = (data >> 10) & 0x1ff;
+ if (src_x != gpu.screen.src_x || src_y != gpu.screen.src_y) {
+ gpu.screen.src_x = src_x;
+ gpu.screen.src_y = src_y;
+ renderer_notify_scanout_change(src_x, src_y);
+ if (gpu.frameskip.set) {
+ decide_frameskip_allow(gpu.ex_regs[3]);
+ if (gpu.frameskip.last_flip_frame != *gpu.state.frame_count) {
+ decide_frameskip();
+ gpu.frameskip.last_flip_frame = *gpu.state.frame_count;
+ }
}
}
break;
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, // 60
1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2,
- 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a0
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c0
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 80
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // a0
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // c0
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
#define VRAM_MEM_XY(x, y) &gpu.vram[(y) * 1024 + (x)]
-static inline void do_vram_line(int x, int y, uint16_t *mem, int l, int is_read)
+static void cpy_msb(uint16_t *dst, const uint16_t *src, int l, uint16_t msb)
+{
+ int i;
+ for (i = 0; i < l; i++)
+ dst[i] = src[i] | msb;
+}
+
+static inline void do_vram_line(int x, int y, uint16_t *mem, int l,
+ int is_read, uint16_t msb)
{
uint16_t *vram = VRAM_MEM_XY(x, y);
- if (is_read)
+ if (unlikely(is_read))
memcpy(mem, vram, l * 2);
+ else if (unlikely(msb))
+ cpy_msb(vram, mem, l, msb);
else
memcpy(vram, mem, l * 2);
}
static int do_vram_io(uint32_t *data, int count, int is_read)
{
int count_initial = count;
+ uint16_t msb = gpu.ex_regs[6] << 15;
uint16_t *sdata = (uint16_t *)data;
int x = gpu.dma.x, y = gpu.dma.y;
int w = gpu.dma.w, h = gpu.dma.h;
if (count < l)
l = count;
- do_vram_line(x + o, y, sdata, l, is_read);
+ do_vram_line(x + o, y, sdata, l, is_read, msb);
if (o + l < w)
o += l;
for (; h > 0 && count >= w; sdata += w, count -= w, y++, h--) {
y &= 511;
- do_vram_line(x, y, sdata, w, is_read);
+ do_vram_line(x, y, sdata, w, is_read, msb);
}
if (h > 0) {
if (count > 0) {
y &= 511;
- do_vram_line(x, y, sdata, count, is_read);
+ do_vram_line(x, y, sdata, count, is_read, msb);
o = count;
count = 0;
}
log_io("start_vram_transfer %c (%d, %d) %dx%d\n", is_read ? 'r' : 'w',
gpu.dma.x, gpu.dma.y, gpu.dma.w, gpu.dma.h);
+ if (gpu.gpu_state_change)
+ gpu.gpu_state_change(PGS_VRAM_TRANSFER_START);
}
static void finish_vram_transfer(int is_read)
{
if (is_read)
gpu.status &= ~PSX_GPU_STATUS_IMG;
- else
+ else {
+ gpu.state.fb_dirty = 1;
renderer_update_caches(gpu.dma_start.x, gpu.dma_start.y,
gpu.dma_start.w, gpu.dma_start.h, 0);
+ }
+ if (gpu.gpu_state_change)
+ gpu.gpu_state_change(PGS_VRAM_TRANSFER_END);
+}
+
+static void do_vram_copy(const uint32_t *params)
+{
+ const uint32_t sx = LE32TOH(params[0]) & 0x3FF;
+ const uint32_t sy = (LE32TOH(params[0]) >> 16) & 0x1FF;
+ const uint32_t dx = LE32TOH(params[1]) & 0x3FF;
+ const uint32_t dy = (LE32TOH(params[1]) >> 16) & 0x1FF;
+ uint32_t w = ((LE32TOH(params[2]) - 1) & 0x3FF) + 1;
+ uint32_t h = (((LE32TOH(params[2]) >> 16) - 1) & 0x1FF) + 1;
+ uint16_t msb = gpu.ex_regs[6] << 15;
+ uint16_t lbuf[128];
+ uint32_t x, y;
+
+ if (sx == dx && sy == dy && msb == 0)
+ return;
+
+ renderer_flush_queues();
+
+ if (unlikely((sx < dx && dx < sx + w) || sx + w > 1024 || dx + w > 1024 || msb))
+ {
+ for (y = 0; y < h; y++)
+ {
+ const uint16_t *src = VRAM_MEM_XY(0, (sy + y) & 0x1ff);
+ uint16_t *dst = VRAM_MEM_XY(0, (dy + y) & 0x1ff);
+ for (x = 0; x < w; x += ARRAY_SIZE(lbuf))
+ {
+ uint32_t x1, w1 = w - x;
+ if (w1 > ARRAY_SIZE(lbuf))
+ w1 = ARRAY_SIZE(lbuf);
+ for (x1 = 0; x1 < w1; x1++)
+ lbuf[x1] = src[(sx + x + x1) & 0x3ff];
+ for (x1 = 0; x1 < w1; x1++)
+ dst[(dx + x + x1) & 0x3ff] = lbuf[x1] | msb;
+ }
+ }
+ }
+ else
+ {
+ uint32_t sy1 = sy, dy1 = dy;
+ for (y = 0; y < h; y++, sy1++, dy1++)
+ memcpy(VRAM_MEM_XY(dx, dy1 & 0x1ff), VRAM_MEM_XY(sx, sy1 & 0x1ff), w * 2);
+ }
+
+ renderer_update_caches(dx, dy, w, h, 0);
}
static noinline int do_cmd_list_skip(uint32_t *data, int count, int *last_cmd)
cmd = -1;
break; // incomplete cmd
}
- if (0xa0 <= cmd && cmd <= 0xdf)
+ if (0x80 <= cmd && cmd <= 0xdf)
break; // image i/o
pos += len;
pos += 3;
continue;
}
+ else if ((cmd & 0xe0) == 0x80) {
+ if (unlikely((pos+3) >= count)) {
+ cmd = -1; // incomplete cmd, can't consume yet
+ break;
+ }
+ do_vram_copy(data + pos + 1);
+ vram_dirty = 1;
+ pos += 4;
+ continue;
+ }
// 0xex cmds might affect frameskip.allow, so pass to do_cmd_list_skip
if (gpu.frameskip.active && (gpu.frameskip.allow || ((LE32TOH(data[pos]) >> 24) & 0xf0) == 0xe0))
return count - pos;
}
-static void flush_cmd_buffer(void)
+static noinline void flush_cmd_buffer(void)
{
int left = do_cmd_buffer(gpu.cmd_buffer, gpu.cmd_len);
if (left > 0)
memmove(gpu.cmd_buffer, gpu.cmd_buffer + gpu.cmd_len - left, left * 4);
- gpu.cmd_len = left;
+ if (left != gpu.cmd_len) {
+ if (!gpu.dma.h && gpu.gpu_state_change)
+ gpu.gpu_state_change(PGS_PRIMITIVE_START);
+ gpu.cmd_len = left;
+ }
}
void GPUwriteDataMem(uint32_t *mem, int count)
GPUwriteStatus((i << 24) | (gpu.regs[i] ^ 1));
}
renderer_sync_ecmds(gpu.ex_regs);
- renderer_update_caches(0, 0, 1024, 512, 1);
+ renderer_update_caches(0, 0, 1024, 512, 0);
break;
}
}
}
-#include "../../frontend/plugin_lib.h"
+void GPUgetScreenInfo(int *y, int *base_hres)
+{
+ *y = gpu.screen.y;
+ *base_hres = gpu.screen.vres;
+ if (gpu.status & PSX_GPU_STATUS_DHEIGHT)
+ *base_hres >>= 1;
+}
void GPUrearmedCallbacks(const struct rearmed_cbs *cbs)
{
gpu.state.frame_count = cbs->gpu_frame_count;
gpu.state.allow_interlace = cbs->gpu_neon.allow_interlace;
gpu.state.enhancement_enable = cbs->gpu_neon.enhancement_enable;
+ gpu.state.screen_centering_type_default = cbs->screen_centering_type_default;
if (gpu.state.screen_centering_type != cbs->screen_centering_type
|| gpu.state.screen_centering_x != cbs->screen_centering_x
|| gpu.state.screen_centering_y != cbs->screen_centering_y) {
gpu.mmap = cbs->mmap;
gpu.munmap = cbs->munmap;
+ gpu.gpu_state_change = cbs->gpu_state_change;
// delayed vram mmap
if (gpu.vram == NULL)