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glfilters: Don't use static variables for storing per-element state

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This commit is contained in:
Sebastian Dröge 2019-10-02 23:21:09 +03:00 committed by Matthew Waters
parent 8d32de0905
commit 73bd32e791
9 changed files with 57 additions and 47 deletions
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19
ext/gl/effects/gstgleffectblur.c
View file

@ -25,19 +25,24 @@
#include "../gstgleffects.h"
static gpointer
init_kernel (gpointer data)
{
float *kernel = g_malloc (sizeof (gfloat) * 9);
fill_gaussian_kernel (kernel, 7, 3.f);
return kernel;
}
static float *
gst_gl_effects_blur_kernel (void)
{
/* gaussian kernel (well, actually vector), size 9, standard
* deviation 3.0 */
/* FIXME: make this a runtime property */
static gfloat *kernel = NULL;
if (G_UNLIKELY (NULL == kernel)) {
/* 3x3 matrix */
kernel = g_malloc (sizeof (gfloat) * 9);
fill_gaussian_kernel (kernel, 7, 3.f);
}
return kernel;
static GOnce my_once = G_ONCE_INIT;
g_once (&my_once, init_kernel, NULL);
return my_once.retval;
}
void

19
ext/gl/gstglbumper.c
View file

@ -321,6 +321,9 @@ gst_gl_bumper_reset (GstGLFilter * filter)
if (bumper_filter->shader)
gst_gl_context_del_shader (filter->context, bumper_filter->shader);
bumper_filter->shader = NULL;
bumper_filter->xrot = 0.0;
bumper_filter->yrot = 0.0;
bumper_filter->zrot = 0.0;
}
static void
@ -399,10 +402,6 @@ typedef struct _MeshData
static void
gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
{
static GLfloat xrot = 0;
static GLfloat yrot = 0;
static GLfloat zrot = 0;
GstGLFuncs *gl;
GstGLBumper *bumper = GST_GL_BUMPER (stuff);
GstGLContext *context = GST_GL_FILTER (bumper)->context;
@ -501,9 +500,9 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
gst_gl_shader_set_uniform_1i (bumper->shader, "texture0", 0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->Rotatef (xrot, 1.0f, 0.0f, 0.0f);
gl->Rotatef (yrot, 0.0f, 1.0f, 0.0f);
gl->Rotatef (zrot, 0.0f, 0.0f, 1.0f);
gl->Rotatef (bumper->xrot, 1.0f, 0.0f, 0.0f);
gl->Rotatef (bumper->yrot, 0.0f, 1.0f, 0.0f);
gl->Rotatef (bumper->zrot, 0.0f, 0.0f, 1.0f);
gl->EnableVertexAttribArray (locTangent);
@ -540,7 +539,7 @@ gst_gl_bumper_callback (gint width, gint height, guint texture, gpointer stuff)
gl->Disable (GL_LIGHTING);
gl->Disable (GL_COLOR_MATERIAL);
xrot += 1.0f;
yrot += 0.9f;
zrot += 0.6f;
bumper->xrot += 1.0f;
bumper->yrot += 0.9f;
bumper->zrot += 0.6f;
}

1
ext/gl/gstglbumper.h
View file

@ -43,6 +43,7 @@ struct _GstGLBumper
gint bumpmap_width;
gint bumpmap_height;
gchar *location;
GLfloat xrot, yrot, zrot;
};
struct _GstGLBumperClass

23
ext/gl/gstglfiltercube.c
View file

@ -311,6 +311,10 @@ gst_gl_filter_cube_gl_start (GstGLBaseFilter * filter)
gchar *frag_str;
gboolean ret;
cube_filter->xrot = 0.0;
cube_filter->yrot = 0.0;
cube_filter->zrot = 0.0;
frag_str =
g_strdup_printf ("%s%s",
gst_gl_shader_string_get_highest_precision (context,
@ -433,10 +437,6 @@ _callback (gpointer stuff)
GstGLFilterCube *cube_filter = GST_GL_FILTER_CUBE (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
static GLfloat xrot = 0;
static GLfloat yrot = 0;
static GLfloat zrot = 0;
const GLfloat matrix[] = {
0.5f, 0.0f, 0.0f, 0.0f,
0.0f, 0.5f, 0.0f, 0.0f,
@ -454,9 +454,12 @@ _callback (gpointer stuff)
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, cube_filter->in_tex->tex_id);
gst_gl_shader_set_uniform_1i (cube_filter->shader, "s_texture", 0);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "xrot_degree", xrot);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "yrot_degree", yrot);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "zrot_degree", zrot);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "xrot_degree",
cube_filter->xrot);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "yrot_degree",
cube_filter->yrot);
gst_gl_shader_set_uniform_1f (cube_filter->shader, "zrot_degree",
cube_filter->zrot);
gst_gl_shader_set_uniform_matrix_4fv (cube_filter->shader, "u_matrix", 1,
GL_FALSE, matrix);
@ -498,9 +501,9 @@ _callback (gpointer stuff)
gl->Disable (GL_DEPTH_TEST);
xrot += 0.3f;
yrot += 0.2f;
zrot += 0.4f;
cube_filter->xrot += 0.3f;
cube_filter->yrot += 0.2f;
cube_filter->zrot += 0.4f;
return TRUE;
}

2
ext/gl/gstglfiltercube.h
View file

@ -59,6 +59,8 @@ struct _GstGLFilterCube
GLuint vertex_buffer;
GLint attr_position;
GLint attr_texture;
GLfloat xrot, yrot, zrot;
};
struct _GstGLFilterCubeClass

19
ext/gl/gstglfilterglass.c
View file

@ -193,6 +193,8 @@ gst_gl_filter_glass_reset (GstBaseTransform * trans)
gst_object_unref (glass_filter->passthrough_shader);
glass_filter->passthrough_shader = NULL;
glass_filter->start_time = 0;
return GST_BASE_TRANSFORM_CLASS (parent_class)->stop (trans);
}
@ -258,10 +260,7 @@ gst_gl_filter_glass_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
static gint64
get_time (void)
{
static GTimeVal val;
g_get_current_time (&val);
return (val.tv_sec * G_USEC_PER_SEC) + val.tv_usec;
return g_get_real_time ();
}
static void
@ -356,7 +355,6 @@ gst_gl_filter_glass_draw_video_plane (GstGLFilter * filter,
static gboolean
gst_gl_filter_glass_callback (gpointer stuff)
{
static gint64 start_time = 0;
gfloat rotation;
GstGLFilter *filter = GST_GL_FILTER (stuff);
@ -367,11 +365,12 @@ gst_gl_filter_glass_callback (gpointer stuff)
gint height = GST_VIDEO_INFO_HEIGHT (&filter->out_info);
guint texture = glass_filter->in_tex->tex_id;
if (start_time == 0)
start_time = get_time ();
if (glass_filter->start_time == 0)
glass_filter->start_time = get_time ();
else {
gint64 time_left =
(glass_filter->timestamp / 1000) - (get_time () - start_time);
(glass_filter->timestamp / 1000) - (get_time () -
glass_filter->start_time);
time_left -= 1000000 / 25;
if (time_left > 2000) {
GST_LOG ("escape");
@ -384,8 +383,8 @@ gst_gl_filter_glass_callback (gpointer stuff)
gst_gl_filter_glass_draw_background_gradient (glass_filter);
//Rotation
if (start_time != 0) {
gint64 time_passed = get_time () - start_time;
if (glass_filter->start_time != 0) {
gint64 time_passed = get_time () - glass_filter->start_time;
rotation = sin (time_passed / 1200000.0) * 45.0f;
} else {
rotation = 0.0f;

1
ext/gl/gstglfilterglass.h
View file

@ -43,6 +43,7 @@ struct _GstGLFilterGlass
gint64 timestamp;
GstGLMemory *in_tex;
GstGLMemory *out_tex;
gint64 start_time;
};
struct _GstGLFilterGlassClass

19
ext/gl/gstglmosaic.c
View file

@ -194,6 +194,9 @@ gst_gl_mosaic_reset (GstGLMixer * mixer)
mosaic->attr_position_loc = -1;
mosaic->attr_texture_loc = -1;
mosaic->xrot = 0.0;
mosaic->yrot = 0.0;
mosaic->zrot = 0.0;
}
static gboolean
@ -284,10 +287,6 @@ gst_gl_mosaic_callback (gpointer stuff)
GstGLFuncs *gl = GST_GL_BASE_MIXER (mixer)->context->gl_vtable;
GList *walk;
static GLfloat xrot = 0;
static GLfloat yrot = 0;
static GLfloat zrot = 0;
const GLfloat matrix[] = {
0.5f, 0.0f, 0.0f, 0.0f,
0.0f, 0.5f, 0.0f, 0.0f,
@ -317,9 +316,9 @@ gst_gl_mosaic_callback (gpointer stuff)
}
gst_gl_shader_set_uniform_1i (mosaic->shader, "s_texture", 0);
gst_gl_shader_set_uniform_1f (mosaic->shader, "xrot_degree", xrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "yrot_degree", yrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "zrot_degree", zrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "xrot_degree", mosaic->xrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "yrot_degree", mosaic->yrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "zrot_degree", mosaic->zrot);
gst_gl_shader_set_uniform_matrix_4fv (mosaic->shader, "u_matrix", 1,
GL_FALSE, matrix);
@ -442,9 +441,9 @@ gst_gl_mosaic_callback (gpointer stuff)
gst_gl_context_clear_shader (GST_GL_BASE_MIXER (mixer)->context);
xrot += 0.6f;
yrot += 0.4f;
zrot += 0.8f;
mosaic->xrot += 0.6f;
mosaic->yrot += 0.4f;
mosaic->zrot += 0.8f;
return TRUE;
}

1
ext/gl/gstglmosaic.h
View file

@ -46,6 +46,7 @@ struct _GstGLMosaic
gint attr_position_loc;
gint attr_texture_loc;
GstGLMemory *out_tex;
GLfloat xrot, yrot, zrot;
};
struct _GstGLMosaicClass