66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
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#ifndef GLSLUTIL_H
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#define GLSLUTIL_H
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#ifdef GL_INCLUDE_FILE
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#include GL_INCLUDE_FILE
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#else
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#include <GL/gl.h>
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#endif
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typedef GLfloat guMatrix3x3[3][3];
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typedef GLfloat guMatrix4x4[4][4];
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typedef struct {
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GLuint index;
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const char *name;
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} guAttribBinding;
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typedef struct {
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GLint *loc;
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const char *name;
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} guUniformLocation;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void guMatrixLoadIdentity(guMatrix4x4 *m);
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void guMatrixMult(guMatrix4x4 *m, guMatrix4x4 *a, guMatrix4x4 *b);
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void guMatrixTranslate(guMatrix4x4 *m, GLfloat x, GLfloat y, GLfloat z);
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void guMatrixScale(guMatrix4x4 *m, GLfloat x, GLfloat y, GLfloat z);
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void guMatrixRotate(guMatrix4x4 *m, GLfloat angle,
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GLfloat x, GLfloat y, GLfloat z);
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void guMatrixFrustum(guMatrix4x4 *m,
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GLfloat left, GLfloat right,
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GLfloat bottom, GLfloat top,
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GLfloat near, GLfloat far);
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void guMatrixPerspective(guMatrix4x4 *m, GLfloat fovy, GLfloat aspect,
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GLfloat near, GLfloat far);
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void guMatrixOrtho(guMatrix4x4 *m,
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GLfloat left, GLfloat right,
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GLfloat bottom, GLfloat top,
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GLfloat near, GLfloat far);
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void guMatrix4x4To3x3(guMatrix3x3 *out, const guMatrix4x4 *in);
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char *guGetShaderLog(GLuint id);
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char *guGetProgramLog(GLuint id);
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GLuint guMakeShaderFromFile(GLenum shaderType, const char *fname);
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GLuint guMakeShader(GLenum shaderType, const char *source);
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GLuint guMakeProgramFromSource(const char *v_shader, const char *f_shader,
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const guAttribBinding *bindings);
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GLuint guMakeProgramFromFiles(const char *v_shader, const char *f_shader,
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const guAttribBinding *bindings);
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GLuint guMakeProgram(GLuint v_shader_id, GLuint f_shader_id,
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const guAttribBinding *bindings);
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void guGetUniformLocations(GLuint program, guUniformLocation *locs);
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GLuint guMakeBuffer(GLenum target, GLenum usage, const void *ptr, size_t sz);
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#ifdef __cplusplus
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}
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#endif
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#endif
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