pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

RenderReadPixels and RenderWritePixels functions work with back buffer now and all asynchronous operations are flushed before reading or writing to backbuffer. Thanks Sam for clarification of this.

Browse source 
--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404210
This commit is contained in:
Mike Gorchak 2009-11-21 06:17:50 +00:00
parent 335b459777
commit 153a88e1ef
1 changed files with 42 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

54
src/video/photon/SDL_photon_render.c
View file

@ -1594,17 +1594,32 @@ photon_renderreadpixels(SDL_Renderer * renderer, const SDL_Rect * rect,
uint8_t* spixels=NULL; uint8_t* spixels=NULL;
unsigned int spitch=0; unsigned int spitch=0;
/* Flush all undrawn graphics data to surface */
switch (rdata->surfaces_type) switch (rdata->surfaces_type)
{ {
case SDL_PHOTON_SURFTYPE_OFFSCREEN: case SDL_PHOTON_SURFTYPE_OFFSCREEN:
sformat=photon_image_to_sdl_pixelformat(rdata->osurfaces[rdata->surface_visible_idx]->format); PgFlushCx(rdata->osurfaces[rdata->surface_render_idx]);
spixels=(uint8_t*)PdGetOffscreenContextPtr(rdata->osurfaces[rdata->surface_visible_idx]); PgWaitHWIdle();
spitch=rdata->osurfaces[rdata->surface_visible_idx]->pitch;
break; break;
case SDL_PHOTON_SURFTYPE_PHIMAGE: case SDL_PHOTON_SURFTYPE_PHIMAGE:
sformat=photon_image_to_sdl_pixelformat(rdata->psurfaces[rdata->surface_visible_idx]->type); PmMemFlush(rdata->pcontexts[rdata->surface_render_idx], rdata->psurfaces[rdata->surface_render_idx]);
spixels=(uint8_t*)rdata->psurfaces[rdata->surface_visible_idx]->image; break;
spitch=rdata->psurfaces[rdata->surface_visible_idx]->bpl; case SDL_PHOTON_SURFTYPE_UNKNOWN:
default:
return;
}
switch (rdata->surfaces_type)
{
case SDL_PHOTON_SURFTYPE_OFFSCREEN:
sformat=photon_image_to_sdl_pixelformat(rdata->osurfaces[rdata->surface_render_idx]->format);
spixels=(uint8_t*)PdGetOffscreenContextPtr(rdata->osurfaces[rdata->surface_render_idx]);
spitch=rdata->osurfaces[rdata->surface_render_idx]->pitch;
break;
case SDL_PHOTON_SURFTYPE_PHIMAGE:
sformat=photon_image_to_sdl_pixelformat(rdata->psurfaces[rdata->surface_render_idx]->type);
spixels=(uint8_t*)rdata->psurfaces[rdata->surface_render_idx]->image;
spitch=rdata->psurfaces[rdata->surface_render_idx]->bpl;
break; break;
case SDL_PHOTON_SURFTYPE_UNKNOWN: case SDL_PHOTON_SURFTYPE_UNKNOWN:
default: default:
@ -1631,17 +1646,32 @@ photon_renderwritepixels(SDL_Renderer * renderer, const SDL_Rect * rect,
uint8_t* spixels=NULL; uint8_t* spixels=NULL;
unsigned int spitch=0; unsigned int spitch=0;
/* Flush all undrawn graphics data to surface */
switch (rdata->surfaces_type) switch (rdata->surfaces_type)
{ {
case SDL_PHOTON_SURFTYPE_OFFSCREEN: case SDL_PHOTON_SURFTYPE_OFFSCREEN:
sformat=photon_image_to_sdl_pixelformat(rdata->osurfaces[rdata->surface_visible_idx]->format); PgFlushCx(rdata->osurfaces[rdata->surface_render_idx]);
spixels=(uint8_t*)PdGetOffscreenContextPtr(rdata->osurfaces[rdata->surface_visible_idx]); PgWaitHWIdle();
spitch=rdata->osurfaces[rdata->surface_visible_idx]->pitch;
break; break;
case SDL_PHOTON_SURFTYPE_PHIMAGE: case SDL_PHOTON_SURFTYPE_PHIMAGE:
sformat=photon_image_to_sdl_pixelformat(rdata->psurfaces[rdata->surface_visible_idx]->type); PmMemFlush(rdata->pcontexts[rdata->surface_render_idx], rdata->psurfaces[rdata->surface_render_idx]);
spixels=(uint8_t*)rdata->psurfaces[rdata->surface_visible_idx]->image; break;
spitch=rdata->psurfaces[rdata->surface_visible_idx]->bpl; case SDL_PHOTON_SURFTYPE_UNKNOWN:
default:
return;
}
switch (rdata->surfaces_type)
{
case SDL_PHOTON_SURFTYPE_OFFSCREEN:
sformat=photon_image_to_sdl_pixelformat(rdata->osurfaces[rdata->surface_render_idx]->format);
spixels=(uint8_t*)PdGetOffscreenContextPtr(rdata->osurfaces[rdata->surface_render_idx]);
spitch=rdata->osurfaces[rdata->surface_render_idx]->pitch;
break;
case SDL_PHOTON_SURFTYPE_PHIMAGE:
sformat=photon_image_to_sdl_pixelformat(rdata->psurfaces[rdata->surface_render_idx]->type);
spixels=(uint8_t*)rdata->psurfaces[rdata->surface_render_idx]->image;
spitch=rdata->psurfaces[rdata->surface_render_idx]->bpl;
break; break;
case SDL_PHOTON_SURFTYPE_UNKNOWN: case SDL_PHOTON_SURFTYPE_UNKNOWN:
default: default: