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*/
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*/
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namespace GLGraphics
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namespace GLGraphics
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{
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{
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/// Print the info log for a program if the status is not OK.
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/// Print the info log for a program if the status is not OK.
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void print_glsl_program_log(GLuint obj);
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void print_glsl_program_log(GLuint program);
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/// Print the info log for a shader if the status is not OK.
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void print_glsl_shader_log(GLuint shader);
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/** The two arguments are concatenated to form the name with full path of a text file.
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/** The two arguments are concatenated to form the name with full path of a text file.
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This file is read and returned as a string. */
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This file is read and returned as a string. */
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const std::string read_glsl_source(const std::string& path, const std::string& file);
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const std::string read_glsl_source(const std::string& path, const std::string& file);
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/** Create a shader of type specified by the first argument from a source string given
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/** Create a shader of type specified by the first argument from a source string given
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as second argument. Return shader handle. If there is a problem, the infolog is
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as second argument. Return shader handle. If there is a problem, the infolog is
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printed and 0 is returned. */
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printed and 0 is returned (unless the third argument is false). */
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GLuint create_glsl_shader(GLuint stype, const std::string& src);
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GLuint create_glsl_shader(GLuint stype, const std::string& src, bool print_log = true);
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/** Create a shader of type specified as first argument from the file indicated by the
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/** Create a shader of type specified as first argument from the file indicated by the
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supplied path and file name (second and third arguments) and return a shader handle.
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supplied path and file name (second and third arguments) and return a shader handle.
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This function is only a convenience function wrapping read_glsl_source and
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This function is only a convenience function wrapping read_glsl_source and
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create_glsl_shader */
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create_glsl_shader */
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