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glslstage: define GL constants if needed instead of using #ifdef

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=777144
This commit is contained in:
Juan Pablo Ugarte 2017-01-11 10:37:34 -03:00 committed by Tim-Philipp Müller
parent 69da104456
commit c469827ddb
1 changed files with 13 additions and 16 deletions
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29
gst-libs/gst/gl/gstglslstage.c
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@ -27,6 +27,19 @@
#include "gstglslstage.h"
#include "gstglsl_private.h"
#ifndef GL_GEOMETRY_SHADER
#define GL_GEOMETRY_SHADER 0x8DD9
#endif
#ifndef GL_COMPUTE_SHADER
#define GL_COMPUTE_SHADER 0x91B9
#endif
#ifndef GL_TESS_CONTROL_SHADER
#define GL_TESS_CONTROL_SHADER 0x8E88
#endif
#ifndef GL_TESS_EVALUATION_SHADER
#define GL_TESS_EVALUATION_SHADER 0x8E87
#endif
/**
* SECTION:gstglslstage
* @short_description: object for dealing with OpenGL shader stages
@ -130,18 +143,10 @@ _is_valid_shader_type (GLenum type)
switch (type) {
case GL_VERTEX_SHADER:
case GL_FRAGMENT_SHADER:
#ifdef GL_TESS_CONTROL_SHADER
case GL_TESS_CONTROL_SHADER:
#endif
#ifdef GL_TESS_EVALUATION_SHADER
case GL_TESS_EVALUATION_SHADER:
#endif
#ifdef GL_GEOMETRY_SHADER
case GL_GEOMETRY_SHADER:
#endif
#ifdef GL_COMPUTE_SHADER
case GL_COMPUTE_SHADER:
#endif
return TRUE;
default:
return FALSE;
@ -156,22 +161,14 @@ _shader_type_to_string (GLenum type)
return "vertex";
case GL_FRAGMENT_SHADER:
return "fragment";
#ifdef GL_TESS_CONTROL_SHADER
case GL_TESS_CONTROL_SHADER:
return "tesselation control";
#endif
#ifdef GL_TESS_EVALUATION_SHADER
case GL_TESS_EVALUATION_SHADER:
return "tesselation evaluation";
#endif
#ifdef GL_GEOMETRY_SHADER
case GL_GEOMETRY_SHADER:
return "geometry";
#endif
#ifdef GL_COMPUTE_SHADER
case GL_COMPUTE_SHADER:
return "compute";
#endif
default:
return "unknown";
}