shithub: tinygl

Info  •  Files  •  Log  •  Branches

Discovery!

--- a/SDL_Examples/helloworld.c

+++ b/SDL_Examples/helloworld.c

@@ -80,11 +80,11 @@

 	glTranslatef(0.0f, 14.0f, 0.0f);

 	glRotatef(0.3f * (GLfloat)x + (GLfloat)time_passed * 100.0f, 0.0f, 0.0f, 1.0f);

 	glBegin(GL_TRIANGLES);

-	glColor4f(1.0f, 0.0f, 0.0f, 0.0f);

+	glColor4f(1.0f, 0.01f, 0.01f, 0.0f);

 	glVertex3f(-5.0f, 0.0f, -4.0f);

-	glColor4f(0.0f, 1.0f, 0.0f, 0.0f);

+	glColor4f(0.01f, 1.0f, 0.01f, 0.0f);

 	glVertex3f(5.0f, 0.0f, -4.0f);

-	glColor4f(0.0f, 0.0f, 1.0f, 0.0f);

+	glColor4f(0.01f, 0.01f, 1.0f, 0.0f);

 	glVertex3f(0.0f, 0.0f, 6.0f);

 	glEnd();

 }

--- a/include/zbuffer.h

+++ b/include/zbuffer.h

@@ -54,7 +54,7 @@

 /* 32 bit mode */

 //#define RGB_TO_PIXEL(r,g,b) ( ((b&65280)<<8) | ((g&65280)) | ((r&65280)>>8) )

 #define RGB_TO_PIXEL(r,g,b) \

-  ((((r) << 8) & 0xff0000) | ((g) & 0xff00) | ((b) >> 8))

+  ((((r) << 8) & 0xff0000) | ((g) & 0xff00) | ((b & 0xff00) >> 8))

 #define GET_RED(p) ((p & 0xff0000)>>16)

 #define GET_REDDER(p) ((p & 0xff0000)>>8)

 #define GET_GREEN(p) ((p & 0xff00)>>8)

@@ -68,7 +68,7 @@

 #elif TGL_FEATURE_RENDER_BITS == 16

 /* 16 bit mode */

-#define RGB_TO_PIXEL(r,g,b) (((r) & 0xF800) | (((g) >> 5) & 0x07E0) | ((b) >> 11))

+#define RGB_TO_PIXEL(r,g,b) (((r) & 0xF800) | (((g & 0xff00) >> 5) & 0x07E0) | ((b & 0xff00) >> 11))

 #define GET_RED(p) ((p & 0xF800)>>8)

 #define GET_REDDER(p) ((p & 0xF800))