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LibGL: Add back face culling functions

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Adds all needed functions to support back face culling
and implements back face culling in the SoftwareGLContext.
This commit is contained in:
Stephan Unverwerth 2021-04-24 12:09:56 +02:00 • committed by Andreas Kling
parent eff3c8a954
commit e6c0600499
5 changed files with 112 additions and 0 deletions
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16
Userland/Libraries/LibGL/GL/gl.h
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@ -32,11 +32,19 @@ extern "C" {
// Buffer bits
#define GL_COLOR_BUFFER_BIT 0x0200
// Enable capabilities
#define GL_CULL_FACE 0x0B44
// Utility
#define GL_VENDOR 0x1F00
#define GL_RENDERER 0x1F01
#define GL_VERSION 0x1F02
// Culled face side
#define GL_FRONT 0x0404
#define GL_BACK 0x0405
#define GL_FRONT_AND_BACK 0x0408
// Error codes
#define GL_NO_ERROR 0
#define GL_INVALID_ENUM 0x500
@ -47,6 +55,10 @@ extern "C" {
#define GL_OUT_OF_MEMORY 0x505
#define GL_INVALID_FRAMEBUFFER_OPERATION 0x506
// Triangle winding order
#define GL_CW 0x0900
#define GL_CCW 0x0901
//
// OpenGL typedefs
//
@ -96,6 +108,10 @@ GLAPI void glVertex2fv(const GLfloat* v);
GLAPI void glVertex3f(GLfloat x, GLfloat y, GLfloat z);
GLAPI void glVertex3fv(const GLfloat* v);
GLAPI void glViewport(GLint x, GLint y, GLsizei width, GLsizei height);
GLAPI void glEnable(GLenum cap);
GLAPI void glDisable(GLenum cap);
GLAPI void glCullFace(GLenum mode);
GLAPI void glFrontFace(GLenum mode);
#ifdef __cplusplus
}