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redream
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run each frame up to the vblank_out, not vblank_in, enabling the code ran during 

vblank to be ran in parallel
This commit is contained in:
Anthony Pesch 2017-10-13 17:16:57 -04:00
parent daf3b61e35
commit 7c277d5038
4 changed files with 24 additions and 9 deletions
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7
src/emulator.c
View File

@ -336,7 +336,9 @@ static void emu_start_tracing(struct emu *emu) {
/* /*
* dreamcast guest interface * dreamcast guest interface
*/ */
static void emu_vertical_blank(void *userdata) { static void emu_vblank_in(void *userdata) {}
static void emu_vblank_out(void *userdata) {
struct emu *emu = userdata; struct emu *emu = userdata;
emu->frame++; emu->frame++;
@ -735,7 +737,8 @@ struct emu *emu_create(struct host *host) {
emu->dc->push_audio = &emu_push_audio; emu->dc->push_audio = &emu_push_audio;
emu->dc->start_render = &emu_start_render; emu->dc->start_render = &emu_start_render;
emu->dc->finish_render = &emu_finish_render; emu->dc->finish_render = &emu_finish_render;
emu->dc->vertical_blank = &emu_vertical_blank; emu->dc->vblank_in = &emu_vblank_in;
emu->dc->vblank_out = &emu_vblank_out;
/* add all textures to free list by default */ /* add all textures to free list by default */
for (int i = 0; i < ARRAY_SIZE(emu->textures); i++) { for (int i = 0; i < ARRAY_SIZE(emu->textures); i++) {

14
src/guest/dreamcast.c
View File

@ -15,12 +15,20 @@
#include "guest/scheduler.h" #include "guest/scheduler.h"
#include "guest/sh4/sh4.h" #include "guest/sh4/sh4.h"
void dc_vertical_blank(struct dreamcast *dc) { void dc_vblank_out(struct dreamcast *dc) {
if (!dc->vertical_blank) { if (!dc->vblank_out) {
return; return;
} }
dc->vertical_blank(dc->userdata); dc->vblank_out(dc->userdata);
}
void dc_vblank_in(struct dreamcast *dc) {
if (!dc->vblank_in) {
return;
}
dc->vblank_in(dc->userdata);
} }
void dc_finish_render(struct dreamcast *dc) { void dc_finish_render(struct dreamcast *dc) {

8
src/guest/dreamcast.h
View File

@ -135,7 +135,7 @@ struct device {
typedef void (*push_audio_cb)(void *, const int16_t *, int); typedef void (*push_audio_cb)(void *, const int16_t *, int);
typedef void (*start_render_cb)(void *, struct ta_context *); typedef void (*start_render_cb)(void *, struct ta_context *);
typedef void (*finish_render_cb)(void *); typedef void (*finish_render_cb)(void *);
typedef void (*vertical_blank_cb)(void *); typedef void (*vblank_cb)(void *);
struct dreamcast { struct dreamcast {
int running; int running;
@ -164,7 +164,8 @@ struct dreamcast {
push_audio_cb push_audio; push_audio_cb push_audio;
start_render_cb start_render; start_render_cb start_render;
finish_render_cb finish_render; finish_render_cb finish_render;
vertical_blank_cb vertical_blank; vblank_cb vblank_in;
vblank_cb vblank_out;
}; };
struct dreamcast *dc_create(); struct dreamcast *dc_create();
@ -203,6 +204,7 @@ void dc_input(struct dreamcast *dc, int port, int button, int16_t value);
void dc_push_audio(struct dreamcast *dc, const int16_t *data, int frames); void dc_push_audio(struct dreamcast *dc, const int16_t *data, int frames);
void dc_start_render(struct dreamcast *dc, struct ta_context *ctx); void dc_start_render(struct dreamcast *dc, struct ta_context *ctx);
void dc_finish_render(struct dreamcast *dc); void dc_finish_render(struct dreamcast *dc);
void dc_vertical_blank(struct dreamcast *dc); void dc_vblank_in(struct dreamcast *dc);
void dc_vblank_out(struct dreamcast *dc);
#endif #endif

4
src/guest/pvr/pvr.c
View File

@ -53,7 +53,9 @@ static void pvr_next_scanline(void *data) {
/* FIXME toggle SPG_STATUS.fieldnum on vblank? */ /* FIXME toggle SPG_STATUS.fieldnum on vblank? */
if (!was_vsync && pvr->SPG_STATUS->vsync) { if (!was_vsync && pvr->SPG_STATUS->vsync) {
prof_counter_add(COUNTER_pvr_vblanks, 1); prof_counter_add(COUNTER_pvr_vblanks, 1);
dc_vertical_blank(pvr->dc); dc_vblank_in(pvr->dc);
} else if (was_vsync && !pvr->SPG_STATUS->vsync) {
dc_vblank_out(pvr->dc);
} }
/* reschedule */ /* reschedule */