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Attempted fix for #27482: game engine running slow due to revision 36698 which

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fixed frame colors for letterbox drawing (happens when in camera view).

Cause is unclear, seems some sort of strange graphics driver thing on 32 bit.
Changes are a fix for the incorrect usage of glViewport, and avoiding the extra
clear if it's not needed.
This commit is contained in:
Brecht Van Lommel 2011-05-27 16:20:49 +00:00
parent d369a6aaaf
commit 18ff3d5200
1 changed files with 11 additions and 6 deletions
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17
source/gameengine/BlenderRoutines/BL_KetsjiEmbedStart.cpp
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@ -250,10 +250,12 @@ extern "C" void StartKetsjiShell(struct bContext *C, struct ARegion *ar, rcti *c
// some blender stuff
float camzoom;
int draw_letterbox = 0;
if(rv3d->persp==RV3D_CAMOB) {
if(startscene->gm.framing.type == SCE_GAMEFRAMING_BARS) { /* Letterbox */
camzoom = 1.0f;
draw_letterbox = 1;
}
else {
camzoom = BKE_screen_view3d_zoom_to_fac(rv3d->camzoom);
@ -428,12 +430,15 @@ extern "C" void StartKetsjiShell(struct bContext *C, struct ARegion *ar, rcti *c
// first check if we want to exit
exitrequested = ketsjiengine->GetExitCode();
// Clear screen to border color
// We do this here since we set the canvas to be within the frames. This means the engine
// itself is unaware of the extra space, so we clear the whole region for it.
glClearColor(scene->gm.framing.col[0], scene->gm.framing.col[1], scene->gm.framing.col[2], 1.0f);
glViewport(ar->winrct.xmin, ar->winrct.ymin, ar->winrct.xmax, ar->winrct.ymax);
glClear(GL_COLOR_BUFFER_BIT);
if(draw_letterbox) {
// Clear screen to border color
// We do this here since we set the canvas to be within the frames. This means the engine
// itself is unaware of the extra space, so we clear the whole region for it.
glClearColor(scene->gm.framing.col[0], scene->gm.framing.col[1], scene->gm.framing.col[2], 1.0f);
glViewport(ar->winrct.xmin, ar->winrct.ymin,
ar->winrct.xmax - ar->winrct.xmin, ar->winrct.ymax - ar->winrct.ymin);
glClear(GL_COLOR_BUFFER_BIT);
}
// kick the engine
bool render = ketsjiengine->NextFrame();