shader.c File Reference

(v16)

Compile and link OpenGL shader programs. More...

#include <stdlib.h>
#include "shader.h"
#include "logging.h"
#include "mightymandel.h"

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Functions
void	debug_program (GLuint program, const char *name)
	Check program link status and output shader compile logs.
void	compile_shader (GLint program, GLenum type, const GLchar *source)
	Compile a shader.
GLint	compile_program_tf (const char *name, const GLchar *vert, const GLchar *geom, const GLchar *frag, int nvaryings, const GLchar **varyings)
	Compile a program with transform feedback.
GLint	compile_program (const char *name, const GLchar *vert, const GLchar *geom, const GLchar *frag)
	Compile a program without transform feedback.

Variables
const char *	fp32_preamble
	fp32_preamble.glsl
const char *	fp64_preamble
	fp64_preamble.glsl
const char *	fp32_complex
	fp32_complex.glsl
const char *	fp64_complex
	fp64_complex.glsl
const char *	config
	config.glsl

Detailed Description

Compile and link OpenGL shader programs.

Definition in file shader.c.

Function Documentation

GLint compile_program	(	const char *	name,
		const GLchar *	vert,
		const GLchar *	geom,
		const GLchar *	frag
	)

Compile a program without transform feedback.

Parameters

name	The name of the program for log messages.
vert	The vertex shader source, or null.
geom	The geometry shader source, or null.
frag	The fragment shader source, or null.

Returns

The compiled program.

Definition at line 105 of file shader.c.

References compile_program_tf().

Referenced by fp32_colour_begin(), fp32_escaped_begin(), fp32_fillc_begin(), fp64_escaped_begin(), and fpxx_escaped_begin().

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GLint compile_program_tf	(	const char *	name,
		const GLchar *	vert,
		const GLchar *	geom,
		const GLchar *	frag,
		int	nvaryings,
		const GLchar **	varyings
	)

Compile a program with transform feedback.

Parameters

name	The name of the program for log messages.
vert	The vertex shader source, or null.
geom	The geometry shader source, or null.
frag	The fragment shader source, or null.
nvaryings	The number of varyings to capture in transform feedback, or 0.
varyings	The names of the varyings to capture in transform feedback, or 0.

Returns

The compiled program.

Definition at line 83 of file shader.c.

References compile_shader(), D, and debug_program().

Referenced by compile_program(), fp32_init_begin(), fp32_step_begin(), fp32_unescaped_begin(), fp64_init_begin(), fp64_step_begin(), fp64_unescaped_begin(), fpxx_approx_begin(), fpxx_init_begin(), fpxx_step_begin(), and fpxx_unescaped_begin().

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void compile_shader	(	GLint	program,
		GLenum	type,
		const GLchar *	source
	)

Compile a shader.

Automatically adds extra sources (preamble, complex number functions, define for DE).

Parameters

program	The program to link the shader to.
type	The type of shader.
source	The glsl source code.

Definition at line 62 of file shader.c.

References config, D, DE, fp32_complex, fp32_preamble, FP64, fp64_complex, and fp64_preamble.

Referenced by compile_program_tf().

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void debug_program	(	GLuint	program,
		const char *	name
	)

Check program link status and output shader compile logs.

Parameters

program	The program to debug.
name	The name of the progam for log messages.

Definition at line 28 of file shader.c.

References D, LOG_ERROR, log_level, log_message, log_target, and LOG_WARN.

Referenced by compile_program_tf().

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Variable Documentation

const char* config

config.glsl

Referenced by compile_shader().

const char* fp32_complex

fp32_complex.glsl

Referenced by compile_shader().

const char* fp32_preamble

fp32_preamble.glsl

Referenced by compile_shader().

const char* fp64_complex

fp64_complex.glsl

Referenced by compile_shader().

const char* fp64_preamble

fp64_preamble.glsl

Referenced by compile_shader().