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GstGLSLStage

GstGLSLStage — object for dealing with OpenGL shader stages

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstGLSLStage

Description

GstGLSLStage holds and represents a single OpenGL shader stage.

Functions

gst_glsl_stage_new ()

GstGLSLStage *
gst_glsl_stage_new (GstGLContext *context,
                    guint type);

Parameters

context

a GstGLContext

 

type

the GL enum shader stage type

 

Returns

a new GstGLSLStage of the specified type .

[transfer full]

Since: 1.8


gst_glsl_stage_new_default_fragment ()

GstGLSLStage *
gst_glsl_stage_new_default_fragment (GstGLContext *context);

gst_glsl_stage_new_default_vertex ()

GstGLSLStage *
gst_glsl_stage_new_default_vertex (GstGLContext *context);

gst_glsl_stage_new_with_string ()

GstGLSLStage *
gst_glsl_stage_new_with_string (GstGLContext *context,
                                guint type,
                                GstGLSLVersion version,
                                GstGLSLProfile profile,
                                const gchar *str);

Parameters

context

a GstGLContext

 

type

the GL enum shader stage type

 

version

the GstGLSLVersion

 

profile

the GstGLSLProfile

 

str

a shader string

 

Returns

a new GstGLSLStage of the specified type .

[transfer full]

Since: 1.8


gst_glsl_stage_new_with_strings ()

GstGLSLStage *
gst_glsl_stage_new_with_strings (GstGLContext *context,
                                 guint type,
                                 GstGLSLVersion version,
                                 GstGLSLProfile profile,
                                 gint n_strings,
                                 const gchar **str);

Parameters

context

a GstGLContext

 

type

the GL enum shader stage type

 

version

the GstGLSLVersion

 

profile

the GstGLSLProfile

 

n_strings

the number of strings in str

 

str

an array of strings concatted together to produce a shader

 

Returns

a new GstGLSLStage of the specified type .

[transfer full]

Since: 1.8


gst_glsl_stage_set_strings ()

gboolean
gst_glsl_stage_set_strings (GstGLSLStage *stage,
                            GstGLSLVersion version,
                            GstGLSLProfile profile,
                            gint n_strings,
                            const gchar **str);

Replaces the current shader string with str .

Parameters

stage

a GstGLSLStage

 

version

a GstGLSLVersion

 

profile

a GstGLSLProfile

 

n_strings

number of strings in str

 

str

a GLSL shader string.

[transfer none]

Since: 1.8


gst_glsl_stage_compile ()

gboolean
gst_glsl_stage_compile (GstGLSLStage *stage,
                        GError **error);

Parameters

stage

a GstGLSLStage

 

error

a GError to use on failure

 

Returns

whether the compilation suceeded

Since: 1.8


gst_glsl_stage_get_handle ()

guint
gst_glsl_stage_get_handle (GstGLSLStage *stage);

Parameters

stage

a GstGLSLStage

 

Returns

The GL handle for this shader stage

Since: 1.8


gst_glsl_stage_get_profile ()

GstGLSLProfile
gst_glsl_stage_get_profile (GstGLSLStage *stage);

Parameters

stage

a GstGLSLStage

 

Returns

The GLSL profile for the current shader stage

Since: 1.8


gst_glsl_stage_get_shader_type ()

guint
gst_glsl_stage_get_shader_type (GstGLSLStage *stage);

Parameters

stage

a GstGLSLStage

 

Returns

The GL shader type for this shader stage

Since: 1.8


gst_glsl_stage_get_version ()

GstGLSLVersion
gst_glsl_stage_get_version (GstGLSLStage *stage);

Parameters

stage

a GstGLSLStage

 

Returns

The GLSL version for the current shader stage

Since: 1.8

Types and Values

GstGLSLStage

typedef struct _GstGLSLStage GstGLSLStage;

Opaque GstGLSLStage struct


GstGLSLStageClass

typedef struct {
} GstGLSLStageClass;

Opaque GstGLSLStageClass struct

See Also

GstGLShader

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