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psp, fix GU hardware rendering

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This commit is contained in:
kub 2023-11-23 21:00:56 +01:00
parent 96a972dcec
commit 48fc9762de
4 changed files with 111 additions and 88 deletions
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168
platform/psp/emu.c
View file

@ -15,6 +15,7 @@
#include <psputils.h>
#include <pspgu.h>
#include <pspaudio.h>
#include <pspsysmem.h>
#include "psp.h"
#include "emu.h"
@ -48,7 +49,9 @@ static struct Vertex __attribute__((aligned(4))) g_vertices[2];
static u16 __attribute__((aligned(16))) localPal[0x100];
static int need_pal_upload = 0;
static u16 __attribute__((aligned(16))) osd_buf[512*8]; // buffer for osd text
u16 __attribute__((aligned(16))) osd_buf[512*8]; // buffer for osd text
int osd_buf_x[4], osd_buf_l[4]; // store for x and length for blitting
int osd_buf_cnt, osd_cdleds;
static int out_x, out_y;
static int out_w, out_h;
@ -105,6 +108,7 @@ static void change_renderer(int diff)
static void apply_renderer(void)
{
PicoIn.opt &= ~(POPT_ALT_RENDERER|POPT_EN_SOFTSCALE);
PicoIn.opt |= POPT_DIS_32C_BORDER;
switch (get_renderer()) {
case RT_16BIT:
@ -120,32 +124,6 @@ static void apply_renderer(void)
}
}
static void osd_text(int x, const char *text)
{
struct Vertex* vx;
int len = strlen(text) * 8 / 2;
int *p, h;
void *tmp = g_screen_ptr;
g_screen_ptr = osd_buf;
for (h = 0; h < 8; h++) {
p = (int *) (osd_buf+x+512*h);
p = (int *) ((int)p & ~3); // align
memset32_uncached(p, 0, len);
}
emu_text_out16(x, 0, text);
g_screen_ptr = tmp;
vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
vx[0].u = x, vx[0].v = 0;
vx[1].u = x + len*2, vx[1].v = 8;
vx[0].x = x, vx[0].y = 264;
vx[1].x = x + len*2, vx[1].y = 272;
sceGuTexMode(GU_PSM_5650,0,0,0);
sceGuTexImage(0,512,8,512,osd_buf);
sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx);
}
static void set_scaling_params(void)
{
@ -276,7 +254,79 @@ static void do_pal_update(void)
need_pal_upload = 1;
}
static void blitscreen_clut(void)
static void osd_text(int x, const char *text)
{
int len = strlen(text) * 8;
int *p, h;
void *tmp = g_screen_ptr;
g_screen_ptr = osd_buf;
for (h = 0; h < 8; h++) {
p = (int *) (osd_buf+x+512*h);
p = (int *) ((int)p & ~3); // align
memset32_uncached(p, 0, len/2);
}
emu_text_out16(x, 0, text);
g_screen_ptr = tmp;
osd_buf_x[osd_buf_cnt] = x;
osd_buf_l[osd_buf_cnt] = len;
osd_buf_cnt ++;
}
static void blit_osd(void)
{
struct Vertex* vx;
int x, len;
while (osd_buf_cnt > 0) {
osd_buf_cnt --;
x = osd_buf_x[osd_buf_cnt];
len = osd_buf_l[osd_buf_cnt];
vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
vx[0].u = x, vx[0].v = 0;
vx[1].u = x + len, vx[1].v = 8;
vx[0].x = x, vx[0].y = 264;
vx[1].x = x + len, vx[1].y = 272;
sceGuTexMode(GU_PSM_5650,0,0,0);
sceGuTexImage(0,512,8,512,osd_buf);
sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx);
}
}
static void cd_leds(void)
{
unsigned int reg, col_g, col_r, *p;
reg = Pico_mcd->s68k_regs[0];
p = (unsigned int *)((short *)osd_buf + 512*2+498);
col_g = (reg & 2) ? 0x06000600 : 0;
col_r = (reg & 1) ? 0x00180018 : 0;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
osd_cdleds = 1;
}
static void blit_cdleds(void)
{
struct Vertex* vx;
if (!osd_cdleds) return;
vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
vx[0].u = 497, vx[0].v = 1;
vx[1].u = 497+14, vx[1].v = 6;
vx[0].x = 4, vx[0].y = 1;
vx[1].x = 4+14, vx[1].y = 6;
sceGuTexMode(GU_PSM_5650,0,0,0);
sceGuTexImage(0,512,8,512,osd_buf);
sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx);
}
void blitscreen_clut(void)
{
sceGuTexMode(is_16bit_mode() ? GU_PSM_5650:GU_PSM_T8,0,0,0);
sceGuTexImage(0,512,512,512,g_screen_ptr);
@ -314,33 +364,12 @@ static void blitscreen_clut(void)
else
#endif
sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
blit_osd();
blit_cdleds();
}
static void cd_leds(void)
{
struct Vertex* vx;
unsigned int reg, col_g, col_r, *p;
reg = Pico_mcd->s68k_regs[0];
p = (unsigned int *)((short *)osd_buf + 512*2+498);
col_g = (reg & 2) ? 0x06000600 : 0;
col_r = (reg & 1) ? 0x00180018 : 0;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
*p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
vx[0].u = 497, vx[0].v = 1;
vx[1].u = 497+14, vx[1].v = 6;
vx[0].x = 4, vx[0].y = 1;
vx[1].x = 4+14, vx[1].y = 6;
sceGuTexMode(GU_PSM_5650,0,0,0);
sceGuTexImage(0,512,8,512,osd_buf);
sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx);
}
static void draw_pico_ptr(void)
{
unsigned char *p = (unsigned char *)g_screen_ptr + 8;
@ -359,23 +388,6 @@ static void draw_pico_ptr(void)
}
// clears whole screen or just the notice area (in all buffers)
static void clearArea(int full)
{
void *fb = psp_video_get_active_fb();
if (full) {
u32 val = (is_16bit_mode() ? 0x00000000 : 0xe0e0e0e0);
long sz = 512*272*2;
memset32_uncached(psp_screen, 0, 512*272*2/4); // frame buffer
memset32_uncached(fb, 0, 512*272*2/4); // frame buff on display
memset32(VRAM_CACHED_STUFF, val, 2*sz/4); // 2 draw buffers
} else {
memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
}
}
static void vidResetMode(void)
{
// setup GU
@ -614,25 +626,19 @@ void pemu_validate_config(void)
void pemu_finalize_frame(const char *fps, const char *notice)
{
int emu_opt = currentConfig.EmuOpt;
int offs = (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
if (PicoIn.AHW & PAHW_PICO)
draw_pico_ptr();
sceGuSync(0,0); // sync with prev
sceGuStart(GU_DIRECT, guCmdList);
sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
blitscreen_clut();
osd_buf_cnt = 0;
if (notice) osd_text(4, notice);
if (emu_opt & 2) osd_text(OSD_FPS_X, fps);
osd_cdleds = 0;
if ((emu_opt & 0x400) && (PicoIn.AHW & PAHW_MCD))
cd_leds();
sceKernelDcacheWritebackAll();
sceGuFinish();
}
/* FIXME: move plat_* to plat? */
@ -676,7 +682,7 @@ void plat_status_msg_busy_next(const char *msg)
/* clear status message area */
void plat_status_msg_clear(void)
{
clearArea(0);
// not needed since the screen buf is cleared through the GU
}
/* change the audio volume setting */
@ -690,7 +696,7 @@ void emu_video_mode_change(int start_line, int line_count, int start_col, int co
out_y = start_line; out_x = start_col;
out_h = line_count; out_w = col_count;
if (col_count == 248) // mind aspect ration when blanking 1st column
if (col_count == 248) // mind aspect ratio when blanking 1st column
col_count = 256;
switch (currentConfig.vscaling) {
@ -723,8 +729,6 @@ void emu_video_mode_change(int start_line, int line_count, int start_col, int co
}
vidResetMode();
if (col_count < 320) // clear borders from h40 remnants
clearArea(1);
}
/* render one frame in RGB */
@ -741,7 +745,6 @@ void pemu_forced_frame(int no_scale, int do_emu)
void plat_video_toggle_renderer(int change, int is_menu_call)
{
change_renderer(change);
clearArea(1);
if (is_menu_call)
return;
@ -770,7 +773,6 @@ void plat_video_loop_prepare(void)
{
apply_renderer();
vidResetMode();
clearArea(1);
}
/* prepare for entering the emulator loop */

2
platform/psp/emu.h
View file

@ -3,6 +3,8 @@ extern int engineStateSuspend;
void emu_handle_resume(void);
void blitscreen_clut(void);
// actually comes from Pico/Misc_amips.s
void memset32_uncached(int *dest, int c, int count);

23
platform/psp/plat.c
View file

@ -70,8 +70,23 @@ void plat_target_finish(void)
/* display a completed frame buffer and prepare a new render buffer */
void plat_video_flip(void)
{
int offs = (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
g_menubg_src_ptr = psp_screen;
psp_video_flip(currentConfig.EmuOpt & EOPT_VSYNC, 1);
sceGuSync(0, 0); // sync with prev
psp_video_flip(currentConfig.EmuOpt & EOPT_VSYNC, 0);
sceGuStart(GU_DIRECT, guCmdList);
sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
sceGuClearColor(0);
sceGuClearDepth(0);
sceGuClear(GU_COLOR_BUFFER_BIT | GU_DEPTH_BUFFER_BIT);
blitscreen_clut();
sceGuFinish();
g_screen_ptr = VRAM_CACHED_STUFF + (psp_screen - VRAM_FB0);
plat_video_set_buffer(g_screen_ptr);
}
@ -96,13 +111,15 @@ void plat_video_menu_begin(void)
/* display a completed menu screen */
void plat_video_menu_end(void)
{
plat_video_wait_vsync();
psp_video_flip(0, 0);
g_menuscreen_ptr = NULL;
psp_video_flip(1, 0);
}
/* terminate menu display */
void plat_video_menu_leave(void)
{
g_screen_ptr = VRAM_CACHED_STUFF + (psp_screen - VRAM_FB0);
plat_video_set_buffer(g_screen_ptr);
}
/* Preliminary initialization needed at program start */

6
platform/psp/psp.c
View file

@ -155,6 +155,8 @@ void psp_init(void)
sceGuDrawBuffer(GU_PSM_5650, (void *)VRAMOFFS_FB0, 512);
sceGuDispBuffer(480, 272, (void *)VRAMOFFS_FB1, 512); // don't care
sceGuDepthBuffer((void *)VRAMOFFS_DEPTH, 512);
sceGuClearColor(0);
sceGuClearDepth(0);
sceGuClear(GU_COLOR_BUFFER_BIT | GU_DEPTH_BUFFER_BIT);
sceGuOffset(2048 - (480 / 2), 2048 - (272 / 2));
sceGuViewport(2048, 2048, 480, 272);
@ -195,9 +197,9 @@ void psp_video_flip(int wait_vsync, int other)
{
unsigned long fb = (unsigned long)psp_screen & ~0x40000000;
if (other) fb ^= 0x44000;
//if (wait_vsync) sceDisplayWaitVblankStart();
if (wait_vsync) sceDisplayWaitVblankStart();
sceDisplaySetFrameBuf((void *)fb, 512, PSP_DISPLAY_PIXEL_FORMAT_565,
wait_vsync ? PSP_DISPLAY_SETBUF_NEXTFRAME : PSP_DISPLAY_SETBUF_IMMEDIATE);
PSP_DISPLAY_SETBUF_IMMEDIATE);
current_screen ^= 1;
psp_screen = current_screen ? VRAM_FB0 : VRAM_FB1;
}