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Make examples work on OS X 

All examples use GLFW, so we update the Makefile, remove OpenGL include
headers (GLFW will include them automatically) and conditionally set a
different shader version.
This commit is contained in:
Frederik De Bleser 2016-04-19 13:49:07 +02:00
parent 8ca1c35608
commit da9899c618
6 changed files with 49 additions and 21 deletions
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7
example/Makefile
View File

@ -8,7 +8,12 @@ ifeq ($(OS),Windows_NT)
BIN := $(BIN).exe
LIBS = -lglfw3 -lopengl32 -lm -lGLU32 -lGLEW32
else
LIBS = -lglfw -lGL -lm -lGLU -lGLEW
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Darwin)
LIBS = -lglfw3 -framework OpenGL -lm -lGLEW
else
LIBS = -lglfw -lGL -lm -lGLU -lGLEW
endif
endif
all: node_editor file_browser overview extended

13
example/calculator.c
View File

@ -11,8 +11,6 @@
#include <limits.h>
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GLFW/glfw3.h>
#define NK_INCLUDE_FIXED_TYPES
@ -32,6 +30,12 @@
#define MAX_ELEMENT_MEMORY 128 * 1024
#define UNUSED(a) (void)a
#ifdef __APPLE__
#define NK_SHADER_VERSION "#version 150\n"
#else
#define NK_SHADER_VERSION "#version 300 es\n"
#endif
/* ===============================================================
*
* DEVICE
@ -52,12 +56,13 @@ struct device {
GLuint font_tex;
};
static void
device_init(struct device *dev)
{
GLint status;
static const GLchar *vertex_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"uniform mat4 ProjMtx;\n"
"in vec2 Position;\n"
"in vec2 TexCoord;\n"
@ -70,7 +75,7 @@ device_init(struct device *dev)
" gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
"}\n";
static const GLchar *fragment_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"precision mediump float;\n"
"uniform sampler2D Texture;\n"
"in vec2 Frag_UV;\n"

12
example/extended.c
View File

@ -11,8 +11,6 @@
#include <limits.h>
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GLFW/glfw3.h>
#define NK_INCLUDE_FIXED_TYPES
@ -39,6 +37,12 @@
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a)/sizeof(a)[0])
#ifdef __APPLE__
#define NK_SHADER_VERSION "#version 150\n"
#else
#define NK_SHADER_VERSION "#version 300 es\n"
#endif
struct icons {
struct nk_image unchecked;
struct nk_image checked;
@ -521,7 +525,7 @@ device_init(struct device *dev)
{
GLint status;
static const GLchar *vertex_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"uniform mat4 ProjMtx;\n"
"in vec2 Position;\n"
"in vec2 TexCoord;\n"
@ -534,7 +538,7 @@ device_init(struct device *dev)
" gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
"}\n";
static const GLchar *fragment_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"precision mediump float;\n"
"uniform sampler2D Texture;\n"
"in vec2 Frag_UV;\n"

14
example/file_browser.c
View File

@ -9,10 +9,10 @@
#include <math.h>
#include <time.h>
#include <limits.h>
#include <unistd.h>
#include <dirent.h>
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GLFW/glfw3.h>
#define NK_INCLUDE_FIXED_TYPES
@ -39,6 +39,12 @@
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a)/sizeof(a)[0])
#ifdef __APPLE__
#define NK_SHADER_VERSION "#version 150\n"
#else
#define NK_SHADER_VERSION "#version 300 es\n"
#endif
/* ===============================================================
*
* GUI
@ -548,7 +554,7 @@ device_init(struct device *dev)
{
GLint status;
static const GLchar *vertex_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"uniform mat4 ProjMtx;\n"
"in vec2 Position;\n"
"in vec2 TexCoord;\n"
@ -561,7 +567,7 @@ device_init(struct device *dev)
" gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
"}\n";
static const GLchar *fragment_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"precision mediump float;\n"
"uniform sampler2D Texture;\n"
"in vec2 Frag_UV;\n"

12
example/node_editor.c
View File

@ -22,8 +22,6 @@
#include <limits.h>
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GLFW/glfw3.h>
#define NK_INCLUDE_FIXED_TYPES
@ -47,6 +45,12 @@
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a)/sizeof(a)[0])
#ifdef __APPLE__
#define NK_SHADER_VERSION "#version 150\n"
#else
#define NK_SHADER_VERSION "#version 300 es\n"
#endif
/* ===============================================================
*
* NODE EDITOR
@ -402,7 +406,7 @@ device_init(struct device *dev)
{
GLint status;
static const GLchar *vertex_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"uniform mat4 ProjMtx;\n"
"in vec2 Position;\n"
"in vec2 TexCoord;\n"
@ -415,7 +419,7 @@ device_init(struct device *dev)
" gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
"}\n";
static const GLchar *fragment_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"precision mediump float;\n"
"uniform sampler2D Texture;\n"
"in vec2 Frag_UV;\n"

12
example/overview.c
View File

@ -11,8 +11,6 @@
#include <limits.h>
#include <GL/glew.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GLFW/glfw3.h>
#define NK_INCLUDE_FIXED_TYPES
@ -36,6 +34,12 @@
#define MAX(a,b) ((a) < (b) ? (b) : (a))
#define LEN(a) (sizeof(a)/sizeof(a)[0])
#ifdef __APPLE__
#define NK_SHADER_VERSION "#version 150\n"
#else
#define NK_SHADER_VERSION "#version 300 es\n"
#endif
/* ===============================================================
*
* GUI
@ -1154,7 +1158,7 @@ device_init(struct device *dev)
{
GLint status;
static const GLchar *vertex_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"uniform mat4 ProjMtx;\n"
"in vec2 Position;\n"
"in vec2 TexCoord;\n"
@ -1167,7 +1171,7 @@ device_init(struct device *dev)
" gl_Position = ProjMtx * vec4(Position.xy, 0, 1);\n"
"}\n";
static const GLchar *fragment_shader =
"#version 300 es\n"
NK_SHADER_VERSION
"precision mediump float;\n"
"uniform sampler2D Texture;\n"
"in vec2 Frag_UV;\n"