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Test for people which copybuffer method is best.

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G.rt==2: uses a glReadPixel and glDrawPixel together

Otherwise it uses glCopyPixel (supposed to be faster :)
This commit is contained in:
Ton Roosendaal
2004-10-03 16:54:05 +00:00
parent 3a840670a5
commit b7ac42a4c6
1 changed files with 15 additions and 2 deletions
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17
source/blender/src/interface.c
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@@ -212,6 +212,17 @@ void ui_end_overdraw(OverDraw *od);
*/ */
static void myglCopyPixels(int a, int b, int c, int d, int e)
{
if(G.rt==2) {
unsigned int *buf= MEM_mallocN(4*c*d, "temp glcopypixels");
glReadPixels(a, b, c, d, GL_RGBA, GL_UNSIGNED_BYTE, buf);
glDrawPixels(c, d, GL_RGBA, GL_UNSIGNED_BYTE, buf);
MEM_freeN(buf);
}
else glCopyPixels(a, b, c, d, e);
}
typedef struct { typedef struct {
short x, y, sx, sy, oldwin; short x, y, sx, sy, oldwin;
unsigned int *rect; unsigned int *rect;
@@ -260,9 +271,10 @@ static void ui_flush_overdraw(uiOverDraw *od)
if(od==NULL) return; if(od==NULL) return;
glDisable(GL_DITHER); glDisable(GL_DITHER);
glReadBuffer(GL_BACK);
glDrawBuffer(GL_FRONT); glDrawBuffer(GL_FRONT);
glRasterPos2s(od->x, od->y); glRasterPos2s(od->x, od->y);
glCopyPixels(od->x, od->y, od->sx, od->sy, GL_COLOR); myglCopyPixels(od->x, od->y, od->sx, od->sy, GL_COLOR);
glEnable(GL_DITHER); glEnable(GL_DITHER);
glFlush(); glFlush();
glDrawBuffer(GL_BACK); glDrawBuffer(GL_BACK);
@@ -320,9 +332,10 @@ void ui_block_flush_back(uiBlock *block)
mywinset(G.curscreen->mainwin); mywinset(G.curscreen->mainwin);
glDisable(GL_DITHER); glDisable(GL_DITHER);
glReadBuffer(GL_BACK);
glDrawBuffer(GL_FRONT); glDrawBuffer(GL_FRONT);
glRasterPos2i(minx, miny); glRasterPos2i(minx, miny);
glCopyPixels(minx, miny, sizex, sizey, GL_COLOR); myglCopyPixels(minx, miny, sizex, sizey, GL_COLOR);
glEnable(GL_DITHER); glEnable(GL_DITHER);
glFlush(); glFlush();
glDrawBuffer(GL_BACK); glDrawBuffer(GL_BACK);