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demos: Set the depth mask correctly to get the desired blending

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This commit is contained in:
Ian Romanick
2009-06-30 17:29:14 -07:00
parent 18a1c36c2d
commit f359165a82
2 changed files with 4 additions and 4 deletions
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4
progs/demos/pointblast.c
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@@ -194,11 +194,11 @@ redraw(void)
{ {
int i; int i;
glDepthMask(GL_TRUE);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (newModel) if (newModel)
recalcModelView(); recalcModelView();
glDepthMask(GL_FALSE);
/* Draw the floor. */ /* Draw the floor. */
/* glEnable(GL_TEXTURE_2D);*/ /* glEnable(GL_TEXTURE_2D);*/
@@ -215,7 +215,7 @@ redraw(void)
glEnd(); glEnd();
/* Allow particles to blend with each other. */ /* Allow particles to blend with each other. */
glDepthMask(GL_TRUE); glDepthMask(GL_FALSE);
if (blend) if (blend)
glEnable(GL_BLEND); glEnable(GL_BLEND);

4
progs/demos/spriteblast.c
View File

@@ -209,13 +209,13 @@ redraw(void)
{ {
int i; int i;
glDepthMask(GL_TRUE);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix(); glPushMatrix();
glRotatef(15.0, 1.0, 0.0, 0.0); glRotatef(15.0, 1.0, 0.0, 0.0);
glRotatef(angle, 0.0, 1.0, 0.0); glRotatef(angle, 0.0, 1.0, 0.0);
glDepthMask(GL_FALSE);
/* Draw the floor. */ /* Draw the floor. */
/* glEnable(GL_TEXTURE_2D);*/ /* glEnable(GL_TEXTURE_2D);*/
@@ -232,7 +232,7 @@ redraw(void)
glEnd(); glEnd();
/* Allow particles to blend with each other. */ /* Allow particles to blend with each other. */
glDepthMask(GL_TRUE); glDepthMask(GL_FALSE);
if (blend) if (blend)
glEnable(GL_BLEND); glEnable(GL_BLEND);