api_validate.c File Reference

#include "glheader.h"
#include "api_validate.h"
#include "bufferobj.h"
#include "context.h"
#include "imports.h"
#include "mtypes.h"
#include "state.h"
#include "vbo/vbo.h"

Functions
static GLsizei	index_bytes (GLenum type, GLsizei count)
	Returns: number of bytes in array [count] of type.
GLuint	_mesa_max_buffer_index (GLcontext *ctx, GLuint count, GLenum type, const void *indices, struct gl_buffer_object *elementBuf)
	Find the max index in the given element/index buffer.
static GLboolean	check_valid_to_render (GLcontext *ctx, const char *function)
	Check if OK to draw arrays/elements.
static GLboolean	check_index_bounds (GLcontext *ctx, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
GLboolean	_mesa_validate_DrawElements (GLcontext *ctx, GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
	Error checking for glDrawElements().
GLboolean	_mesa_validate_DrawRangeElements (GLcontext *ctx, GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
	Error checking for glDrawRangeElements().
GLboolean	_mesa_validate_DrawArrays (GLcontext *ctx, GLenum mode, GLint start, GLsizei count)
	Called from the tnl module to error check the function parameters and verify that we really can draw something.

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Function Documentation

GLuint _mesa_max_buffer_index	(	GLcontext *	ctx,
		GLuint	count,
		GLenum	type,
		const void *	indices,
		struct gl_buffer_object *	elementBuf
	)

Find the max index in the given element/index buffer.

GLboolean _mesa_validate_DrawArrays	(	GLcontext *	ctx,
		GLenum	mode,
		GLint	start,
		GLsizei	count
	)

Called from the tnl module to error check the function parameters and verify that we really can draw something.

Returns:

GL_TRUE if OK to render, GL_FALSE if error found

GLboolean _mesa_validate_DrawElements	(	GLcontext *	ctx,
		GLenum	mode,
		GLsizei	count,
		GLenum	type,
		const GLvoid *	indices,
		GLint	basevertex
	)

Error checking for glDrawElements().

Includes parameter checking and VBO bounds checking.

Returns:

GL_TRUE if OK to render, GL_FALSE if error found

GLboolean _mesa_validate_DrawRangeElements	(	GLcontext *	ctx,
		GLenum	mode,
		GLuint	start,
		GLuint	end,
		GLsizei	count,
		GLenum	type,
		const GLvoid *	indices,
		GLint	basevertex
	)

Error checking for glDrawRangeElements().

Includes parameter checking and VBO bounds checking.

Returns:

GL_TRUE if OK to render, GL_FALSE if error found

static GLboolean check_index_bounds	(	GLcontext *	ctx,
		GLsizei	count,
		GLenum	type,
		const GLvoid *	indices,
		GLint	basevertex
	)			[static]

static GLboolean check_valid_to_render	(	GLcontext *	ctx,
		const char *	function
	)			[static]

Check if OK to draw arrays/elements.

static GLsizei index_bytes	(	GLenum	type,
		GLsizei	count
	)			[static]

Returns:

number of bytes in array [count] of type.

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