FMudanyali/FreeGLUT-Vita
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When -mno-cygwin is used, we get ancient GL headers, so be a bit more conservative.

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@787 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
spanne 2009-02-28 18:31:35 +00:00
parent 5cd0ad0211
commit 49526044d2
1 changed files with 22 additions and 15 deletions
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37
freeglut/freeglut/progs/demos/smooth_opengl3/smooth_opengl3.c
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@ -66,6 +66,10 @@ void checkError(const char *functionName)
#define GL_STATIC_DRAW 0x88E4
#endif
#ifndef GL_FRAGMENT_SHADER
#define GL_FRAGMENT_SHADER 0x8B30
#endif
#ifndef GL_VERTEX_SHADER
#define GL_VERTEX_SHADER 0x8B31
#endif
@ -86,13 +90,16 @@ void checkError(const char *functionName)
#define GL_INFO_LOG_LENGTH 0x8B84
#endif
typedef ptrdiff_t ourGLsizeiptr;
typedef char ourGLchar;
typedef void (*PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers);
PFNGLGENBUFFERSPROC gl_GenBuffers;
typedef void (*PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer);
PFNGLBINDBUFFERPROC gl_BindBuffer;
typedef void (*PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size,
typedef void (*PFNGLBUFFERDATAPROC) (GLenum target, ourGLsizeiptr size,
const GLvoid *data, GLenum usage);
PFNGLBUFFERDATAPROC gl_BufferData;
@ -100,7 +107,7 @@ typedef GLuint (*PFNGLCREATESHADERPROC) (GLenum type);
PFNGLCREATESHADERPROC gl_CreateShader;
typedef void (*PFNGLSHADERSOURCEPROC)
(GLuint shader, GLsizei count, const GLchar **string, const GLint *length);
(GLuint shader, GLsizei count, const ourGLchar **string, const GLint *length);
PFNGLSHADERSOURCEPROC gl_ShaderSource;
typedef void (*PFNGLCOMPILESHADERPROC) (GLuint shader);
@ -122,17 +129,17 @@ typedef void (*PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params
PFNGLGETSHADERIVPROC gl_GetShaderiv;
typedef void (*PFNGLGETSHADERINFOLOGPROC)
(GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
(GLuint shader, GLsizei bufSize, GLsizei *length, ourGLchar *infoLog);
PFNGLGETSHADERINFOLOGPROC gl_GetShaderInfoLog;
typedef void (*PFNGLGETPROGRAMIVPROC) (GLenum target, GLenum pname, GLint *params);
PFNGLGETPROGRAMIVPROC gl_GetProgramiv;
typedef void (*PFNGLGETPROGRAMINFOLOGPROC)
(GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog);
(GLuint program, GLsizei bufSize, GLsizei *length, ourGLchar *infoLog);
PFNGLGETPROGRAMINFOLOGPROC gl_GetProgramInfoLog;
typedef GLint (*PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar *name);
typedef GLint (*PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const ourGLchar *name);
PFNGLGETATTRIBLOCATIONPROC gl_GetAttribLocation;
typedef void (*PFNGLVERTEXATTRIBPOINTERPROC)
@ -143,7 +150,7 @@ PFNGLVERTEXATTRIBPOINTERPROC gl_VertexAttribPointer;
typedef void (*PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index);
PFNGLENABLEVERTEXATTRIBARRAYPROC gl_EnableVertexAttribArray;
typedef GLint (*PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name);
typedef GLint (*PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const ourGLchar *name);
PFNGLGETUNIFORMLOCATIONPROC gl_GetUniformLocation;
typedef void (*PFNGLUNIFORMMATRIX4FVPROC)
@ -205,7 +212,7 @@ void initBuffer(void)
checkError ("initBuffer");
}
const GLchar *vertexShaderSource[] = {
const ourGLchar *vertexShaderSource[] = {
"#version 130\n",
"uniform mat4 fg_ProjectionMatrix;\n",
"in vec4 fg_Color;\n",
@ -217,7 +224,7 @@ const GLchar *vertexShaderSource[] = {
"}\n"
};
const GLchar *fragmentShaderSource[] = {
const ourGLchar *fragmentShaderSource[] = {
"#version 130\n",
"out vec4 fg_FragColor;\n",
"void main(void)\n",
@ -233,16 +240,16 @@ void compileAndCheck(GLuint shader)
gl_GetShaderiv (shader, GL_COMPILE_STATUS, &status);
if (status == GL_FALSE) {
GLint infoLogLength;
GLchar *infoLog;
ourGLchar *infoLog;
gl_GetShaderiv (shader, GL_INFO_LOG_LENGTH, &infoLogLength);
infoLog = (GLchar*) malloc (infoLogLength);
infoLog = (ourGLchar*) malloc (infoLogLength);
gl_GetShaderInfoLog (shader, infoLogLength, NULL, infoLog);
fprintf (stderr, "compile log: %s\n", infoLog);
free (infoLog);
}
}
GLuint compileShaderSource(GLenum type, GLsizei count, const GLchar **string)
GLuint compileShaderSource(GLenum type, GLsizei count, const ourGLchar **string)
{
GLuint shader = gl_CreateShader (type);
gl_ShaderSource (shader, count, string, NULL);
@ -257,9 +264,9 @@ void linkAndCheck(GLuint program)
gl_GetProgramiv (program, GL_LINK_STATUS, &status);
if (status == GL_FALSE) {
GLint infoLogLength;
GLchar *infoLog;
ourGLchar *infoLog;
gl_GetProgramiv (program, GL_INFO_LOG_LENGTH, &infoLogLength);
infoLog = (GLchar*) malloc (infoLogLength);
infoLog = (ourGLchar*) malloc (infoLogLength);
gl_GetProgramInfoLog (program, infoLogLength, NULL, infoLog);
fprintf (stderr, "link log: %s\n", infoLog);
free (infoLog);
@ -285,11 +292,11 @@ GLuint fgVertexIndex;
void initShader(void)
{
const GLsizei vertexShaderLines = sizeof(vertexShaderSource) / sizeof(GLchar*);
const GLsizei vertexShaderLines = sizeof(vertexShaderSource) / sizeof(ourGLchar*);
GLuint vertexShader =
compileShaderSource (GL_VERTEX_SHADER, vertexShaderLines, vertexShaderSource);
const GLsizei fragmentShaderLines = sizeof(fragmentShaderSource) / sizeof(GLchar*);
const GLsizei fragmentShaderLines = sizeof(fragmentShaderSource) / sizeof(ourGLchar*);
GLuint fragmentShader =
compileShaderSource (GL_FRAGMENT_SHADER, fragmentShaderLines, fragmentShaderSource);