*/
#include <stdio.h>
+#include <assert.h>
+#include <sys/mman.h>
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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
+static __attribute__((noinline)) void
+sync_enhancement_buffers(int x, int y, int w, int h);
+
+#include "../gpulib/gpu.h"
#include "psx_gpu/psx_gpu.c"
#include "psx_gpu/psx_gpu_parse.c"
-#include "../gpulib/gpu.h"
static psx_gpu_struct egpu __attribute__((aligned(256)));
{
int ret;
+#if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD)
+ // the asm doesn't bother to save callee-save vector regs, so do it here
+ __asm__ __volatile__("":::"q4","q5","q6","q7");
+#endif
+
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);
+#if defined(__arm__) && defined(NEON_BUILD) && !defined(SIMD_BUILD)
+ __asm__ __volatile__("":::"q4","q5","q6","q7");
+#endif
+
ex_regs[1] &= ~0x1ff;
ex_regs[1] |= egpu.texture_settings & 0x1ff;
return ret;
}
+#define ENHANCEMENT_BUF_SIZE (1024 * 1024 * 2 * 4 + 4096 * 2)
+
+static void *get_enhancement_bufer(int *x, int *y, int *w, int *h,
+ int *vram_h)
+{
+ uint16_t *ret = select_enhancement_buf_ptr(&egpu, *x);
+
+ *x *= 2;
+ *y *= 2;
+ *w = *w * 2;
+ *h = *h * 2;
+ *vram_h = 1024;
+ return ret;
+}
+
+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).
+ egpu.enhancement_buf_ptr = gpu.mmap(ENHANCEMENT_BUF_SIZE);
+ if (egpu.enhancement_buf_ptr == NULL) {
+ fprintf(stderr, "failed to map enhancement buffer\n");
+ gpu.get_enhancement_bufer = NULL;
+ }
+ else {
+ egpu.enhancement_buf_ptr += 4096 / 2;
+ gpu.get_enhancement_bufer = get_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 && egpu.enhancement_buf_ptr == NULL)
+ map_enhancement_buffer();
+
ex_regs = gpu.ex_regs;
- gpu.state.enhancement_available = 1;
return 0;
}
+void renderer_finish(void)
+{
+ if (egpu.enhancement_buf_ptr != NULL) {
+ egpu.enhancement_buf_ptr -= 4096 / 2;
+ gpu.munmap(egpu.enhancement_buf_ptr, ENHANCEMENT_BUF_SIZE);
+ }
+ egpu.enhancement_buf_ptr = NULL;
+ egpu.enhancement_current_buf_ptr = NULL;
+ initialized = 0;
+}
+
+static __attribute__((noinline)) void
+sync_enhancement_buffers(int x, int y, int w, int h)
+{
+ const int step_x = 1024 / sizeof(egpu.enhancement_buf_by_x16);
+ int hres = egpu.saved_hres;
+ int x_buf, w1, s, fb_index;
+ u16 *src, *dst;
+
+ if (egpu.enhancement_buf_ptr == NULL)
+ return;
+
+ w += x & (step_x - 1);
+ x &= ~(step_x - 1);
+ w = (w + step_x - 1) & ~(step_x - 1);
+ if (y + h > 512)
+ h = 512 - y;
+
+ // find x_buf which is an offset into this enhancement_buf
+ fb_index = egpu.enhancement_buf_by_x16[x / step_x];
+ x_buf = x - egpu.enhancement_buf_start[fb_index];
+
+ while (w > 0) {
+ fb_index = egpu.enhancement_buf_by_x16[x / step_x];
+ for (w1 = 0; w > 0 && x_buf < hres; x_buf += step_x, w1++, w -= step_x)
+ if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1])
+ break;
+ // skip further unneeded data, if any
+ for (s = 0; w > 0; s++, w -= step_x)
+ if (fb_index != egpu.enhancement_buf_by_x16[x / step_x + w1 + s])
+ break;
+
+ if (w1 > 0) {
+ src = gpu.vram + y * 1024 + x;
+ dst = select_enhancement_buf_ptr(&egpu, x);
+ dst += (y * 1024 + x) * 2;
+ scale2x_tiles8(dst, src, w1 * step_x / 8, h);
+ }
+
+ x += (w1 + s) * step_x;
+ x &= 0x3ff;
+ x_buf = 0;
+ }
+}
+
void renderer_sync_ecmds(uint32_t *ecmds)
{
gpu_parse(&egpu, ecmds + 1, 6 * 4, NULL);
}
-void renderer_update_caches(int x, int y, int w, int h)
+void renderer_update_caches(int x, int y, int w, int h, int state_changed)
{
update_texture_cache_region(&egpu, x, y, x + w - 1, y + h - 1);
+
+ if (gpu.state.enhancement_active) {
+ if (state_changed) {
+ egpu.saved_hres = 0;
+ renderer_notify_res_change();
+ return;
+ }
+ 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)
+{
+ renderer_notify_scanout_x_change(gpu.screen.src_x, gpu.screen.hres);
+}
+
+void renderer_notify_scanout_x_change(int x, int w)
+{
+ int hres = (w + 15) & ~15;
+ int max_bufs = ARRAY_SIZE(egpu.enhancement_scanout_x);
+ int need_update = 0;
+ int i;
+
+ if (!gpu.state.enhancement_active)
+ return;
+
+ assert(!(max_bufs & (max_bufs - 1)));
+ if (egpu.saved_hres != hres) {
+ for (i = 0; i < max_bufs; i++)
+ egpu.enhancement_scanout_x[i] = x;
+ need_update = 1;
+ }
+
+ if (egpu.enhancement_scanout_x[egpu.enhancement_scanout_select] != x)
+ {
+ // maybe triple buffering?
+ for (i = 0; i < max_bufs; i++)
+ if (egpu.enhancement_scanout_x[i] == x)
+ break;
+ if (i == max_bufs)
+ need_update = 1;
+
+ egpu.enhancement_scanout_x[egpu.enhancement_scanout_select] = x;
+ }
+ egpu.enhancement_scanout_select++;
+ egpu.enhancement_scanout_select &= max_bufs - 1;
+ if (need_update)
+ {
+ egpu.saved_hres = hres;
+ update_enhancement_buf_table_from_hres(&egpu);
+ sync_enhancement_buffers(0, 0, 1024, 512);
+ }
}
#include "../../frontend/plugin_lib.h"
void renderer_set_config(const struct rearmed_cbs *cbs)
{
- egpu.enhancement_buf_ptr = gpu.enhancement_bufer;
+ if (!initialized) {
+ initialize_psx_gpu(&egpu, gpu.vram);
+ initialized = 1;
+ }
+ if (cbs->pl_set_gpu_caps)
+ cbs->pl_set_gpu_caps(GPU_CAP_SUPPORTS_2X);
+
disable_main_render = cbs->gpu_neon.enhancement_no_main;
+ if (gpu.state.enhancement_enable) {
+ if (gpu.mmap != NULL && egpu.enhancement_buf_ptr == NULL)
+ map_enhancement_buffer();
+ }
}
+
+// vim:ts=2:sw=2:expandtab
notaz.gp2x.de / pcsx_rearmed.git / blobdiff