X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=plugins%2Fgpulib%2Fgpu.c;h=c84414418a32fbae99992cdd7158d57f9a3fd985;hb=ab88daca6f1367543d88b35e04a7999f3e36a0ff;hp=e9714e4c9a615c1f6aeda185e4d190e05610687e;hpb=ae36bb287237de0a199f52de86dbfc6115d4cb70;p=pcsx_rearmed.git diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c index e9714e4c..c8441441 100644 --- a/plugins/gpulib/gpu.c +++ b/plugins/gpulib/gpu.c @@ -9,6 +9,7 @@ */ #include +#include #include #include "gpu.h" @@ -23,13 +24,8 @@ #define noinline #endif -#define gpu_log(fmt, ...) \ - printf("%d:%03d: " fmt, *gpu.state.frame_count, *gpu.state.hcnt, ##__VA_ARGS__) - //#define log_io gpu_log #define log_io(...) -//#define log_anomaly gpu_log -#define log_anomaly(...) struct psx_gpu gpu; @@ -61,28 +57,92 @@ static noinline void do_reset(void) gpu.regs[3] = 1; 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(); } static noinline void update_width(void) { + static const short hres_all[8] = { 256, 368, 320, 368, 512, 368, 640, 368 }; + static const uint8_t hdivs[8] = { 10, 7, 8, 7, 5, 7, 4, 7 }; + uint8_t hdiv = hdivs[(gpu.status >> 16) & 7]; + int hres = hres_all[(gpu.status >> 16) & 7]; + int pal = gpu.status & PSX_GPU_STATUS_PAL; int sw = gpu.screen.x2 - gpu.screen.x1; - if (sw <= 0 || sw >= 2560) - // full width - gpu.screen.w = gpu.screen.hres; - else - gpu.screen.w = sw * gpu.screen.hres / 2560; + int x = 0, x_auto; + if (sw <= 0) + /* nothing displayed? */; + else { + int s = pal ? 656 : 608; // or 600? pal is just a guess + x = (gpu.screen.x1 - s) / hdiv; + x = (x + 1) & ~1; // blitter limitation + sw /= hdiv; + sw = (sw + 2) & ~3; // according to nocash + switch (gpu.state.screen_centering_type) { + case 1: + break; + case 2: + x = gpu.state.screen_centering_x; + break; + default: + // correct if slightly miscentered + x_auto = (hres - sw) / 2 & ~3; + if ((uint32_t)x_auto <= 8u && abs(x) < 24) + x = x_auto; + } + if (x + sw > hres) + sw = hres - x; + // .x range check is done in vout_update() + } + // reduce the unpleasant right border that a few games have + if (gpu.state.screen_centering_type == 0 + && x <= 4 && hres - (x + sw) >= 4) + hres -= 4; + gpu.screen.x = x; + gpu.screen.w = sw; + gpu.screen.hres = hres; + gpu.state.dims_changed = 1; + //printf("xx %d %d -> %2d, %d / %d\n", + // gpu.screen.x1, gpu.screen.x2, x, sw, hres); } static noinline void update_height(void) { - // TODO: emulate this properly.. + int pal = gpu.status & PSX_GPU_STATUS_PAL; + int dheight = gpu.status & PSX_GPU_STATUS_DHEIGHT; + int y = gpu.screen.y1 - (pal ? 39 : 16); // 39 for spyro int sh = gpu.screen.y2 - gpu.screen.y1; - if (gpu.status & PSX_GPU_STATUS_DHEIGHT) - sh *= 2; - if (sh <= 0 || sh > gpu.screen.vres) - sh = gpu.screen.vres; - + int center_tol = 16; + int vres = 240; + + if (pal && (sh > 240 || gpu.screen.vres == 256)) + vres = 256; + if (dheight) + y *= 2, sh *= 2, vres *= 2, center_tol *= 2; + if (sh <= 0) + /* nothing displayed? */; + else { + switch (gpu.state.screen_centering_type) { + case 1: + break; + case 2: + y = gpu.state.screen_centering_y; + break; + default: + // correct if slightly miscentered + if ((uint32_t)(vres - sh) <= 1 && abs(y) <= center_tol) + y = 0; + } + if (y + sh > vres) + sh = vres - y; + } + gpu.screen.y = y; gpu.screen.h = sh; + gpu.screen.vres = vres; + gpu.state.dims_changed = 1; + //printf("yy %d %d -> %d, %d / %d\n", + // gpu.screen.y1, gpu.screen.y2, y, sh, vres); } static noinline void decide_frameskip(void) @@ -115,13 +175,17 @@ static noinline int decide_frameskip_allow(uint32_t cmd_e3) uint32_t x = cmd_e3 & 0x3ff; uint32_t y = (cmd_e3 >> 10) & 0x3ff; gpu.frameskip.allow = (gpu.status & PSX_GPU_STATUS_INTERLACE) || - (uint32_t)(x - gpu.screen.x) >= (uint32_t)gpu.screen.w || - (uint32_t)(y - gpu.screen.y) >= (uint32_t)gpu.screen.h; + (uint32_t)(x - gpu.screen.src_x) >= (uint32_t)gpu.screen.w || + (uint32_t)(y - gpu.screen.src_y) >= (uint32_t)gpu.screen.h; 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: @@ -162,9 +226,11 @@ long GPUinit(void) ret = vout_init(); ret |= renderer_init(); + memset(&gpu.state, 0, sizeof(gpu.state)); + memset(&gpu.frameskip, 0, sizeof(gpu.frameskip)); + gpu.zero = 0; gpu.state.frame_count = &gpu.zero; gpu.state.hcnt = &gpu.zero; - gpu.frameskip.active = 0; gpu.cmd_len = 0; do_reset(); @@ -192,8 +258,6 @@ long GPUshutdown(void) void GPUwriteStatus(uint32_t data) { - static const short hres[8] = { 256, 368, 320, 384, 512, 512, 640, 640 }; - static const short vres[4] = { 240, 480, 256, 480 }; uint32_t cmd = data >> 24; if (cmd < ARRAY_SIZE(gpu.regs)) { @@ -212,8 +276,10 @@ void GPUwriteStatus(uint32_t data) do_cmd_reset(); break; case 0x03: - if (data & 1) + if (data & 1) { gpu.status |= PSX_GPU_STATUS_BLANKING; + gpu.state.dims_changed = 1; // for hud clearing + } else gpu.status &= ~PSX_GPU_STATUS_BLANKING; break; @@ -222,8 +288,9 @@ void GPUwriteStatus(uint32_t data) gpu.status |= PSX_GPU_STATUS_DMA(data & 3); break; case 0x05: - gpu.screen.x = data & 0x3ff; - gpu.screen.y = (data >> 10) & 0x1ff; + 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) { @@ -244,8 +311,6 @@ void GPUwriteStatus(uint32_t data) break; case 0x08: gpu.status = (gpu.status & ~0x7f0000) | ((data & 0x3F) << 17) | ((data & 0x40) << 10); - gpu.screen.hres = hres[(gpu.status >> 16) & 7]; - gpu.screen.vres = vres[(gpu.status >> 19) & 3]; update_width(); update_height(); renderer_notify_res_change(); @@ -271,23 +336,33 @@ const unsigned char cmd_lengths[256] = 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); } @@ -295,6 +370,7 @@ static inline void do_vram_line(int x, int y, uint16_t *mem, int l, int is_read) 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; @@ -307,7 +383,7 @@ static int do_vram_io(uint32_t *data, int count, int is_read) 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; @@ -322,13 +398,13 @@ static int do_vram_io(uint32_t *data, int count, int is_read) 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; } @@ -373,7 +449,52 @@ static void finish_vram_transfer(int is_read) gpu.status &= ~PSX_GPU_STATUS_IMG; else renderer_update_caches(gpu.dma_start.x, gpu.dma_start.y, - gpu.dma_start.w, gpu.dma_start.h); + gpu.dma_start.w, gpu.dma_start.h, 0); +} + +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) @@ -431,7 +552,7 @@ 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; @@ -471,6 +592,15 @@ static noinline int do_cmd_buffer(uint32_t *data, int count) 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); + 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)) @@ -554,6 +684,10 @@ long GPUdmaChain(uint32_t *rambase, uint32_t start_addr, uint32_t *progress_addr log_io(".chain %08lx #%d+%d\n", (long)(list - rambase) * 4, len, gpu.cmd_len); if (unlikely(gpu.cmd_len > 0)) { + if (gpu.cmd_len + len > ARRAY_SIZE(gpu.cmd_buffer)) { + log_anomaly("cmd_buffer overflow, likely garbage commands\n"); + gpu.cmd_len = 0; + } memcpy(gpu.cmd_buffer + gpu.cmd_len, list + 1, len * 4); gpu.cmd_len += len; flush_cmd_buffer(); @@ -679,7 +813,7 @@ long GPUfreeze(uint32_t type, struct GPUFreeze *freeze) GPUwriteStatus((i << 24) | (gpu.regs[i] ^ 1)); } renderer_sync_ecmds(gpu.ex_regs); - renderer_update_caches(0, 0, 1024, 512); + renderer_update_caches(0, 0, 1024, 512, 1); break; } @@ -692,6 +826,7 @@ void GPUupdateLace(void) flush_cmd_buffer(); renderer_flush_queues(); +#ifndef RAW_FB_DISPLAY if (gpu.status & PSX_GPU_STATUS_BLANKING) { if (!gpu.state.blanked) { vout_blank(); @@ -703,6 +838,7 @@ void GPUupdateLace(void) if (!gpu.state.fb_dirty) return; +#endif if (gpu.frameskip.set) { if (!gpu.frameskip.frame_ready) { @@ -714,6 +850,9 @@ void GPUupdateLace(void) } vout_update(); + if (gpu.state.enhancement_active && !gpu.state.enhancement_was_active) + renderer_update_caches(0, 0, 1024, 512, 1); + gpu.state.enhancement_was_active = gpu.state.enhancement_active; gpu.state.fb_dirty = 0; gpu.state.blanked = 0; } @@ -740,6 +879,14 @@ void GPUvBlank(int is_vblank, int lcf) } } +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; +} + #include "../../frontend/plugin_lib.h" void GPUrearmedCallbacks(const struct rearmed_cbs *cbs) @@ -752,6 +899,15 @@ 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; + 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.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; + update_width(); + update_height(); + } gpu.mmap = cbs->mmap; gpu.munmap = cbs->munmap;