Mirrored_Repos/LookingGlass
1
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2024-11-25 14:57:20 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[client] added support for double buffering

Browse Source
This commit is contained in:
Geoffrey McRae 2017-11-15 18:13:55 +11:00
parent 16a8acb303
commit b6857d94f1
1 changed files with 6 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
client/main.c
View File

@ -93,35 +93,20 @@ void drawFunc_ARGB10(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, co
{ {
SDL_UpdateTexture(texture, NULL, src, state.shm->stride * 4); SDL_UpdateTexture(texture, NULL, src, state.shm->stride * 4);
ivshmem_kick_irq(state.shm->guestID, 0); ivshmem_kick_irq(state.shm->guestID, 0);
SDL_RenderClear(state.renderer);
SDL_RenderCopy(state.renderer, texture, NULL, NULL);
SDL_RenderPresent(state.renderer);
} }
void drawFunc_ARGB(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src) void drawFunc_ARGB(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src)
{ {
compFunc(dst, src, state.shm->height * state.shm->stride * 4); compFunc(dst, src, state.shm->height * state.shm->stride * 4);
ivshmem_kick_irq(state.shm->guestID, 0); ivshmem_kick_irq(state.shm->guestID, 0);
SDL_UnlockTexture(texture); SDL_UnlockTexture(texture);
SDL_RenderClear(state.renderer);
SDL_RenderCopy(state.renderer, texture, NULL, NULL);
SDL_RenderPresent(state.renderer);
} }
void drawFunc_RGB(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src) void drawFunc_RGB(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src)
{ {
compFunc(dst, src, state.shm->height * state.shm->stride * 3); compFunc(dst, src, state.shm->height * state.shm->stride * 3);
ivshmem_kick_irq(state.shm->guestID, 0); ivshmem_kick_irq(state.shm->guestID, 0);
SDL_UnlockTexture(texture); SDL_UnlockTexture(texture);
SDL_RenderClear(state.renderer);
SDL_RenderCopy(state.renderer, texture, NULL, NULL);
SDL_RenderPresent(state.renderer);
} }
void drawFunc_XOR(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src) void drawFunc_XOR(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src)
@ -131,10 +116,7 @@ void drawFunc_XOR(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const
compFunc(dst, src, state.shm->height * state.shm->stride * 3); compFunc(dst, src, state.shm->height * state.shm->stride * 3);
ivshmem_kick_irq(state.shm->guestID, 0); ivshmem_kick_irq(state.shm->guestID, 0);
SDL_UnlockTexture(texture); SDL_UnlockTexture(texture);
SDL_RenderCopy(state.renderer, texture, NULL, NULL);
SDL_RenderPresent(state.renderer);
// clear the buffer for the next frame // clear the buffer for the next frame
memset(dst, 0, state.shm->height * state.shm->stride * 3); memset(dst, 0, state.shm->height * state.shm->stride * 3);
@ -144,10 +126,7 @@ void drawFunc_YUV444P(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, c
{ {
compFunc(dst, src, state.shm->height * state.shm->stride * 3); compFunc(dst, src, state.shm->height * state.shm->stride * 3);
ivshmem_kick_irq(state.shm->guestID, 0); ivshmem_kick_irq(state.shm->guestID, 0);
SDL_UnlockTexture(texture); SDL_UnlockTexture(texture);
SDL_RenderCopy(state.renderer, texture, NULL, NULL);
SDL_RenderPresent(state.renderer);
} }
void drawFunc_YUV420P(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src) void drawFunc_YUV420P(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, const uint8_t * src)
@ -159,19 +138,14 @@ void drawFunc_YUV420P(CompFunc compFunc, SDL_Texture * texture, uint8_t * dst, c
src + pixels , state.shm->stride / 2, src + pixels , state.shm->stride / 2,
src + pixels + pixels / 4, state.shm->stride / 2 src + pixels + pixels / 4, state.shm->stride / 2
); );
ivshmem_kick_irq(state.shm->guestID, 0); ivshmem_kick_irq(state.shm->guestID, 0);
SDL_RenderClear(state.renderer);
SDL_RenderCopy(state.renderer, texture, NULL, NULL);
SDL_RenderPresent(state.renderer);
} }
int renderThread(void * unused) int renderThread(void * unused)
{ {
struct KVMGFXHeader format; struct KVMGFXHeader format;
SDL_Texture *texture = NULL; SDL_Texture *texture = NULL;
uint8_t *pixels = (uint8_t*)(state.shm + 1); uint8_t *pixels = (uint8_t*)state.shm;
uint8_t *texPixels = NULL; uint8_t *texPixels = NULL;
DrawFunc drawFunc = NULL; DrawFunc drawFunc = NULL;
CompFunc compFunc = NULL; CompFunc compFunc = NULL;
@ -203,6 +177,7 @@ int renderThread(void * unused)
break; break;
case IVSHMEM_WAIT_RESULT_TIMEOUT: case IVSHMEM_WAIT_RESULT_TIMEOUT:
DEBUG_INFO("timed out");
ivshmem_kick_irq(state.shm->guestID, 0); ivshmem_kick_irq(state.shm->guestID, 0);
ready = false; ready = false;
break; break;
@ -266,7 +241,10 @@ int renderThread(void * unused)
} }
glDisable(GL_COLOR_LOGIC_OP); glDisable(GL_COLOR_LOGIC_OP);
drawFunc(compFunc, texture, texPixels, pixels); drawFunc(compFunc, texture, texPixels, pixels + state.shm->dataPos);
SDL_RenderCopy(state.renderer, texture, NULL, NULL);
SDL_RenderPresent(state.renderer);
state.started = true; state.started = true;
} }