*/
#include <stdio.h>
+#include <sys/mman.h>
extern const unsigned char cmd_lengths[256];
#define command_lengths cmd_lengths
+static unsigned int *ex_regs;
+static int initialized;
+
+#define PCSX
+#define SET_Ex(r, v) \
+ ex_regs[r] = v
+
#include "psx_gpu/psx_gpu.c"
#include "psx_gpu/psx_gpu_parse.c"
-#include "gpu.h"
+#include "../gpulib/gpu.h"
static psx_gpu_struct egpu __attribute__((aligned(256)));
-void do_cmd_list(uint32_t *list, int count)
+int do_cmd_list(uint32_t *list, int count, int *last_cmd)
{
- gpu_parse(&egpu, list, count * 4);
+ int ret;
+
+ if (gpu.state.enhancement_active)
+ ret = gpu_parse_enhanced(&egpu, list, count * 4, (u32 *)last_cmd);
+ else
+ ret = gpu_parse(&egpu, list, count * 4, (u32 *)last_cmd);
+
+ ex_regs[1] &= ~0x1ff;
+ ex_regs[1] |= egpu.texture_settings & 0x1ff;
+ return ret;
+}
+
+#define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096)
+
+static void map_enhancement_buffer(void)
+{
+ // currently we use 4x 1024*1024 buffers instead of single 2048*1024
+ // to be able to reuse 1024-width code better (triangle setup,
+ // dithering phase, lines).
+ gpu.enhancement_bufer = gpu.mmap(ENHANCEMENT_BUF_SIZE);
+ if (gpu.enhancement_bufer == NULL)
+ fprintf(stderr, "failed to map enhancement buffer\n");
+ egpu.enhancement_buf_ptr = gpu.enhancement_bufer;
}
int renderer_init(void)
{
- initialize_psx_gpu(&egpu, gpu.vram);
+ if (gpu.vram != NULL) {
+ initialize_psx_gpu(&egpu, gpu.vram);
+ initialized = 1;
+ }
+
+ if (gpu.mmap != NULL && gpu.enhancement_bufer == NULL)
+ map_enhancement_buffer();
+
+ ex_regs = gpu.ex_regs;
return 0;
}
+void renderer_finish(void)
+{
+ if (gpu.enhancement_bufer != NULL)
+ gpu.munmap(gpu.enhancement_bufer, ENHANCEMENT_BUF_SIZE);
+ gpu.enhancement_bufer = NULL;
+ egpu.enhancement_buf_ptr = NULL;
+ initialized = 0;
+}
+
+static __attribute__((noinline)) void
+sync_enhancement_buffers(int x, int y, int w, int h)
+{
+ int xt = egpu.enhancement_x_threshold;
+ u16 *src, *dst;
+ int wb, i;
+
+ w += x & 7;
+ x &= ~7;
+ w = (w + 7) & ~7;
+ if (y + h > 512)
+ h = 512 - y;
+
+ for (i = 0; i < 4 && w > 0; i++) {
+ if (x < 512) {
+ wb = w;
+ if (x + w > 512)
+ wb = 512 - x;
+ src = gpu.vram + xt * i + y * 1024 + x;
+ dst = egpu.enhancement_buf_ptr +
+ (1024*1024 + xt * 2) * i + (y * 1024 + x) * 2;
+ scale2x_tiles8(dst, src, wb / 8, h);
+ }
+
+ x -= xt;
+ if (x < 0) {
+ w += x;
+ x = 0;
+ }
+ }
+}
+
void renderer_sync_ecmds(uint32_t *ecmds)
{
- gpu_parse(&egpu, ecmds + 1, 6 * 4);
+ gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL);
}
-void renderer_invalidate_caches(int x, int y, int w, int h)
+void renderer_update_caches(int x, int y, int w, int h)
{
- invalidate_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1);
+ update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1);
+ if (gpu.state.enhancement_active && !gpu.status.rgb24)
+ sync_enhancement_buffers(x, y, w, h);
}
void renderer_flush_queues(void)
void renderer_set_interlace(int enable, int is_odd)
{
- egpu.interlace_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD);
+ egpu.render_mode &= ~(RENDER_INTERLACE_ENABLED|RENDER_INTERLACE_ODD);
if (enable)
- egpu.interlace_mode |= RENDER_INTERLACE_ENABLED;
+ egpu.render_mode |= RENDER_INTERLACE_ENABLED;
if (is_odd)
- egpu.interlace_mode |= RENDER_INTERLACE_ODD;
+ egpu.render_mode |= RENDER_INTERLACE_ODD;
}
+void renderer_notify_res_change(void)
+{
+ // note: must keep it multiple of 8
+ egpu.enhancement_x_threshold = gpu.screen.hres;
+}
+
+#include "../../frontend/plugin_lib.h"
+
void renderer_set_config(const struct rearmed_cbs *cbs)
{
+ static int enhancement_was_on;
+
+ disable_main_render = cbs->gpu_neon.enhancement_no_main;
+ if (egpu.enhancement_buf_ptr != NULL && cbs->gpu_neon.enhancement_enable
+ && !enhancement_was_on)
+ {
+ sync_enhancement_buffers(0, 0, 1024, 512);
+ }
+ enhancement_was_on = cbs->gpu_neon.enhancement_enable;
+
+ if (!initialized) {
+ initialize_psx_gpu(&egpu, gpu.vram);
+ initialized = 1;
+ }
+
+ if (gpu.enhancement_bufer == NULL)
+ map_enhancement_buffer();
}