ref: 3c2622aa007b32a3c1e11ea6532c42c2481aca3f
parent: a3cc2043c7aa88b779ff556d74d936aa06a36972
author: David <gek@katherine>
date: Wed Feb 17 08:10:55 EST 2021
B
--- a/SDL_Examples/gears.c
+++ b/SDL_Examples/gears.c
@@ -243,6 +243,7 @@
int winSizeY = 480;
unsigned int fps = 0;
unsigned int flat = 0;
+ unsigned int blending = 0;
char needsRGBAFix = 0;
if (argc > 1) {char* larg = "";
@@ -257,6 +258,8 @@
flat = 1;
if (!strcmp(argv[i],"-smooth"))
flat = 0;
+ if (!strcmp(argv[i],"-blend"))
+ blending = 1;
larg = argv[i];
}
}
@@ -338,18 +341,23 @@
if(flat) glShadeModel(GL_FLAT); else glShadeModel(GL_SMOOTH);
//TESTING BLENDING...
//glDisable(GL_DEPTH_TEST);
- glEnable(GL_DEPTH_TEST);
- //glEnable(GL_BLEND);
- glDisable(GL_BLEND);
-
- glDepthMask(GL_TRUE);
- //glDepthMask(GL_FALSE);
//glDisable( GL_LIGHTING );
glEnable(GL_LIGHTING);
glBlendFunc(GL_ONE_MINUS_SRC_COLOR, GL_ZERO);
glBlendEquation(GL_FUNC_ADD);
+ if(blending){+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_BLEND);
+ glDepthMask(GL_TRUE);
+ glBlendFunc(GL_ONE_MINUS_SRC_COLOR, GL_ZERO);
+ glBlendEquation(GL_FUNC_ADD);
+ }else{+ glEnable(GL_DEPTH_TEST);
+ glDisable(GL_BLEND);
+ glDepthMask(GL_TRUE);
+ }
GLfloat h = (GLfloat)winSizeY / (GLfloat)winSizeX;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
--- a/src/ztriangle.c
+++ b/src/ztriangle.c
@@ -47,6 +47,7 @@
#undef INTERP_STZ
#define INTERP_Z
+//#define INTERP_RGB
#define DRAW_INIT() \
{ }@@ -72,8 +73,9 @@
#undef INTERP_RGB
#undef INTERP_ST
#undef INTERP_STZ
-#define INTERP_Z
+#define INTERP_Z
+//#define INTERP_RGB
#define DRAW_INIT() \
{ }