manpagez: man pages & more
html files: gst-plugins-bad-libs-1.0
Home | html | info | man

GstGLShader

GstGLShader — object representing an OpenGL shader program

Functions

GstGLShader * gst_gl_shader_new ()
GstGLShader * gst_gl_shader_new_default ()
GstGLShader * gst_gl_shader_new_link_with_stages ()
GstGLShader * gst_gl_shader_new_with_stages ()
void gst_gl_shader_use ()
void gst_gl_context_clear_shader ()
int gst_gl_shader_get_program_handle ()
void gst_gl_shader_release ()
void gst_gl_shader_release_unlocked ()
gboolean gst_gl_shader_attach ()
gboolean gst_gl_shader_attach_unlocked ()
gboolean gst_gl_shader_compile_attach_stage ()
void gst_gl_shader_detach ()
void gst_gl_shader_detach_unlocked ()
gboolean gst_gl_shader_is_linked ()
gboolean gst_gl_shader_link ()
void gst_gl_shader_set_uniform_1i ()
void gst_gl_shader_set_uniform_1f ()
void gst_gl_shader_set_uniform_1fv ()
void gst_gl_shader_set_uniform_1iv ()
void gst_gl_shader_set_uniform_2f ()
void gst_gl_shader_set_uniform_2fv ()
void gst_gl_shader_set_uniform_2i ()
void gst_gl_shader_set_uniform_2iv ()
void gst_gl_shader_set_uniform_3f ()
void gst_gl_shader_set_uniform_3fv ()
void gst_gl_shader_set_uniform_3i ()
void gst_gl_shader_set_uniform_3iv ()
void gst_gl_shader_set_uniform_4f ()
void gst_gl_shader_set_uniform_4fv ()
void gst_gl_shader_set_uniform_4i ()
void gst_gl_shader_set_uniform_4iv ()
void gst_gl_shader_set_uniform_matrix_2fv ()
void gst_gl_shader_set_uniform_matrix_2x3fv ()
void gst_gl_shader_set_uniform_matrix_2x4fv ()
void gst_gl_shader_set_uniform_matrix_3fv ()
void gst_gl_shader_set_uniform_matrix_3x2fv ()
void gst_gl_shader_set_uniform_matrix_3x4fv ()
void gst_gl_shader_set_uniform_matrix_4fv ()
void gst_gl_shader_set_uniform_matrix_4x2fv ()
void gst_gl_shader_set_uniform_matrix_4x3fv ()
gint gst_gl_shader_get_attribute_location ()
void gst_gl_shader_bind_attribute_location ()
void gst_gl_shader_bind_frag_data_location ()

Properties

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GstObject
            ╰── GstGLShader

Description

Functions

gst_gl_shader_new ()

GstGLShader *
gst_gl_shader_new (GstGLContext *context);

Note: must be called in the GL thread

Parameters

context

a GstGLContext

 

Returns

a new empty shader .

[transfer full]


gst_gl_shader_new_default ()

GstGLShader *
gst_gl_shader_new_default (GstGLContext *context,
                           GError **error);

Note: must be called in the GL thread

Parameters

context

a GstGLContext

 

error

a GError that is filled on failure

 

Returns

a default shader or NULL on failure.

[transfer full]

Since: 1.8


gst_gl_shader_new_link_with_stages ()

GstGLShader *
gst_gl_shader_new_link_with_stages (GstGLContext *context,
                                    GError **error,
                                    ...);

Each stage will attempt to be compiled and attached to shader . Then the shader will be linked. On error, NULL will be returned and error will contain the details of the error.

Note: must be called in the GL thread

Parameters

context

a GstGLContext

 

error

a GError

 

...

a NULL terminated list of GstGLSLStage's

 

Returns

a new shader with the specified stages.

[transfer full]

Since: 1.8


gst_gl_shader_new_with_stages ()

GstGLShader *
gst_gl_shader_new_with_stages (GstGLContext *context,
                               GError **error,
                               ...);

Each stage will attempt to be compiled and attached to shader . On error, NULL will be returned and error will contain the details of the error.

Note: must be called in the GL thread

Parameters

context

a GstGLContext

 

error

a GError

 

...

a NULL terminated list of GstGLSLStage's

 

Returns

a new shader with the specified stages.

[transfer full]

Since: 1.8


gst_gl_shader_use ()

void
gst_gl_shader_use (GstGLShader *shader);

Mark's shader as being used for the next GL draw command.

Note: must be called in the GL thread and shader must have been linked.

Parameters

shader

a GstGLShader

 

gst_gl_context_clear_shader ()

void
gst_gl_context_clear_shader (GstGLContext *context);

Clear's the currently set shader from the GL state machine.

Note: must be called in the GL thread.

Parameters

context

a GstGLContext

 

gst_gl_shader_get_program_handle ()

int
gst_gl_shader_get_program_handle (GstGLShader *shader);

Parameters

shader

a GstGLShader

 

Returns

the GL program handle for this shader

Since: 1.8


gst_gl_shader_release ()

void
gst_gl_shader_release (GstGLShader *shader);

Releases the shader and stages.

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

Since: 1.8


gst_gl_shader_release_unlocked ()

void
gst_gl_shader_release_unlocked (GstGLShader *shader);

Releases the shader and stages.

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

Since: 1.8


gst_gl_shader_attach ()

gboolean
gst_gl_shader_attach (GstGLShader *shader,
                      GstGLSLStage *stage);

Attaches stage to shader . stage must have been successfully compiled with gst_glsl_stage_compile().

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

stage

a GstGLSLStage to attach

 

Returns

whether stage could be attached to shader

Since: 1.8


gst_gl_shader_attach_unlocked ()

gboolean
gst_gl_shader_attach_unlocked (GstGLShader *shader,
                               GstGLSLStage *stage);

Attaches stage to shader . stage must have been successfully compiled with gst_glsl_stage_compile().

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

stage

a GstGLSLStage to attach

 

Returns

whether stage could be attached to shader

Since: 1.8


gst_gl_shader_compile_attach_stage ()

gboolean
gst_gl_shader_compile_attach_stage (GstGLShader *shader,
                                    GstGLSLStage *stage,
                                    GError **error);

Compiles stage and attaches it to shader .

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

stage

a GstGLSLStage to attach

 

error

a GError

 

Returns

whether stage could be compiled and attached to shader

Since: 1.8


gst_gl_shader_detach ()

void
gst_gl_shader_detach (GstGLShader *shader,
                      GstGLSLStage *stage);

Detaches stage from shader . stage must have been successfully attached to shader with gst_gl_shader_attach() or gst_gl_shader_attach_unlocked().

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

stage

a GstGLSLStage to attach

 

Since: 1.8


gst_gl_shader_detach_unlocked ()

void
gst_gl_shader_detach_unlocked (GstGLShader *shader,
                               GstGLSLStage *stage);

Detaches stage from shader . stage must have been successfully attached to shader with gst_gl_shader_attach() or gst_gl_shader_attach_unlocked().

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

stage

a GstGLSLStage to attach

 

Since: 1.8


gst_gl_shader_is_linked ()

gboolean
gst_gl_shader_is_linked (GstGLShader *shader);

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

Returns

whether shader has been successfully linked

Since: 1.8


gst_gl_shader_link ()

gboolean
gst_gl_shader_link (GstGLShader *shader,
                    GError **error);

Links the current list of GstGLSLStage's in shader .

Note: must be called in the GL thread

Parameters

shader

a GstGLShader

 

error

a GError

 

Returns

whether shader could be linked together.

Since: 1.8


gst_gl_shader_set_uniform_1i ()

void
gst_gl_shader_set_uniform_1i (GstGLShader *shader,
                              const gchar *name,
                              gint value);

gst_gl_shader_set_uniform_1f ()

void
gst_gl_shader_set_uniform_1f (GstGLShader *shader,
                              const gchar *name,
                              gfloat value);

gst_gl_shader_set_uniform_1fv ()

void
gst_gl_shader_set_uniform_1fv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gfloat *value);

gst_gl_shader_set_uniform_1iv ()

void
gst_gl_shader_set_uniform_1iv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gint *value);

gst_gl_shader_set_uniform_2f ()

void
gst_gl_shader_set_uniform_2f (GstGLShader *shader,
                              const gchar *name,
                              gfloat v0,
                              gfloat v1);

gst_gl_shader_set_uniform_2fv ()

void
gst_gl_shader_set_uniform_2fv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gfloat *value);

gst_gl_shader_set_uniform_2i ()

void
gst_gl_shader_set_uniform_2i (GstGLShader *shader,
                              const gchar *name,
                              gint v0,
                              gint v1);

gst_gl_shader_set_uniform_2iv ()

void
gst_gl_shader_set_uniform_2iv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gint *value);

gst_gl_shader_set_uniform_3f ()

void
gst_gl_shader_set_uniform_3f (GstGLShader *shader,
                              const gchar *name,
                              gfloat v0,
                              gfloat v1,
                              gfloat v2);

gst_gl_shader_set_uniform_3fv ()

void
gst_gl_shader_set_uniform_3fv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gfloat *value);

gst_gl_shader_set_uniform_3i ()

void
gst_gl_shader_set_uniform_3i (GstGLShader *shader,
                              const gchar *name,
                              gint v0,
                              gint v1,
                              gint v2);

gst_gl_shader_set_uniform_3iv ()

void
gst_gl_shader_set_uniform_3iv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gint *value);

gst_gl_shader_set_uniform_4f ()

void
gst_gl_shader_set_uniform_4f (GstGLShader *shader,
                              const gchar *name,
                              gfloat v0,
                              gfloat v1,
                              gfloat v2,
                              gfloat v3);

gst_gl_shader_set_uniform_4fv ()

void
gst_gl_shader_set_uniform_4fv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gfloat *value);

gst_gl_shader_set_uniform_4i ()

void
gst_gl_shader_set_uniform_4i (GstGLShader *shader,
                              const gchar *name,
                              gint v0,
                              gint v1,
                              gint v2,
                              gint v3);

gst_gl_shader_set_uniform_4iv ()

void
gst_gl_shader_set_uniform_4iv (GstGLShader *shader,
                               const gchar *name,
                               guint count,
                               gint *value);

gst_gl_shader_set_uniform_matrix_2fv ()

void
gst_gl_shader_set_uniform_matrix_2fv (GstGLShader *shader,
                                      const gchar *name,
                                      gint count,
                                      gboolean transpose,
                                      const gfloat *value);

gst_gl_shader_set_uniform_matrix_2x3fv ()

void
gst_gl_shader_set_uniform_matrix_2x3fv
                               (GstGLShader *shader,
                                const gchar *name,
                                gint count,
                                gboolean transpose,
                                const gfloat *value);

gst_gl_shader_set_uniform_matrix_2x4fv ()

void
gst_gl_shader_set_uniform_matrix_2x4fv
                               (GstGLShader *shader,
                                const gchar *name,
                                gint count,
                                gboolean transpose,
                                const gfloat *value);

gst_gl_shader_set_uniform_matrix_3fv ()

void
gst_gl_shader_set_uniform_matrix_3fv (GstGLShader *shader,
                                      const gchar *name,
                                      gint count,
                                      gboolean transpose,
                                      const gfloat *value);

gst_gl_shader_set_uniform_matrix_3x2fv ()

void
gst_gl_shader_set_uniform_matrix_3x2fv
                               (GstGLShader *shader,
                                const gchar *name,
                                gint count,
                                gboolean transpose,
                                const gfloat *value);

gst_gl_shader_set_uniform_matrix_3x4fv ()

void
gst_gl_shader_set_uniform_matrix_3x4fv
                               (GstGLShader *shader,
                                const gchar *name,
                                gint count,
                                gboolean transpose,
                                const gfloat *value);

gst_gl_shader_set_uniform_matrix_4fv ()

void
gst_gl_shader_set_uniform_matrix_4fv (GstGLShader *shader,
                                      const gchar *name,
                                      gint count,
                                      gboolean transpose,
                                      const gfloat *value);

gst_gl_shader_set_uniform_matrix_4x2fv ()

void
gst_gl_shader_set_uniform_matrix_4x2fv
                               (GstGLShader *shader,
                                const gchar *name,
                                gint count,
                                gboolean transpose,
                                const gfloat *value);

gst_gl_shader_set_uniform_matrix_4x3fv ()

void
gst_gl_shader_set_uniform_matrix_4x3fv
                               (GstGLShader *shader,
                                const gchar *name,
                                gint count,
                                gboolean transpose,
                                const gfloat *value);

gst_gl_shader_get_attribute_location ()

gint
gst_gl_shader_get_attribute_location (GstGLShader *shader,
                                      const gchar *name);

gst_gl_shader_bind_attribute_location ()

void
gst_gl_shader_bind_attribute_location (GstGLShader *shader,
                                       guint index,
                                       const gchar *name);

gst_gl_shader_bind_frag_data_location ()

void
gst_gl_shader_bind_frag_data_location (GstGLShader *shader,
                                       guint index,
                                       const gchar *name);

Types and Values

GstGLShader

typedef struct _GstGLShader GstGLShader;

Property Details

The “linked” property

  “linked”                   gboolean

Shader link status.

Flags: Read

Default value: FALSE

See Also

GstGLSLStage

© manpagez.com 2000-2017
Individual documents may contain additional copyright information.