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OpenGLRenderer: Take advantage of glClipControl if available

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This commit is contained in:
SirLynix
2022-09-06 13:01:44 +02:00
parent 6bb1ee283f
commit 131faa4fbd
5 changed files with 71 additions and 4 deletions
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17
include/Nazara/OpenGLRenderer/Wrapper/CoreFunctions.hpp
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@@ -13,7 +13,7 @@
#include <GLES3/gl32.h>
#include <GLES2/gl2ext.h>
// Define some OpenGL (not ES) extensions
// Define some OpenGL (not ES) defines/function types
#define GL_POINT 0x1B00
#define GL_LINE 0x1B01
#define GL_FILL 0x1B02
@@ -22,8 +22,21 @@
#define GL_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
typedef void (GL_APIENTRYP PFNGLDRAWBUFFERPROC) (GLenum buf);
typedef void (GL_APIENTRYP PFNGLPOLYGONMODEPROC) (GLenum face, GLenum mode);
// Clip control (OpenGL 4.5)
#define GL_LOWER_LEFT 0x8CA1
#define GL_UPPER_LEFT 0x8CA2
#define GL_NEGATIVE_ONE_TO_ONE 0x935E
#define GL_ZERO_TO_ONE 0x935F
#define GL_CLIP_ORIGIN 0x935C
#define GL_CLIP_DEPTH_MODE 0x935D
typedef void (GL_APIENTRYP PFNGLCLIPCONTROLPROC) (GLenum origin, GLenum depth);
// SPIR-V shaders (OpenGL 4.6)
typedef void (GL_APIENTRYP PFNGLSPECIALIZESHADERPROC) (GLuint shader, const GLchar* pEntryPoint, GLuint numSpecializationConstants, const GLuint* pConstantIndex, const GLuint* pConstantValue);
/*** Functions ***/
// OpenGL core
#define NAZARA_OPENGLRENDERER_FOREACH_GLES_FUNC(cb, extCb) \
cb(glActiveTexture, PFNGLACTIVETEXTUREPROC) \
@@ -183,6 +196,8 @@ typedef void (GL_APIENTRYP PFNGLSPECIALIZESHADERPROC) (GLuint shader, const GLch
extCb(glObjectLabel, PFNGLOBJECTLABELPROC) \
extCb(glPopDebugGroup, PFNGLPOPDEBUGGROUPPROC) \
extCb(glPushDebugGroup, PFNGLPUSHDEBUGGROUPPROC) \
/* OpenGL 4.5 - GL_ARB_clip_control/GL_EXT_clip_control */ \
extCb(glClipControl, PFNGLCLIPCONTROLPROC) \
/* OpenGL 4.6 - GL_ARB_spirv_extensions */\
extCb(glSpecializeShader, PFNGLSPECIALIZESHADERPROC) \