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glfilter: rewrite subclasses for filter_texture() occuring on GL thread

Browse source 
There's no need for the jump to an extra thread in most cases, especially
when relying solely on a shader to render.  We can use the provided
render_to_target() functions to simplify filter writing.
This commit is contained in:
Matthew Waters 2016-07-15 13:39:54 +10:00
parent 6edd89c883
commit 5da138d1ae
30 changed files with 442 additions and 1391 deletions
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90
ext/gl/effects/gstgleffectblur.c
View file

@ -40,79 +40,29 @@ gst_gl_effects_blur_kernel (void)
return kernel;
}
static void
gst_gl_effects_blur_callback_hconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "hconv0",
hconv7_fragment_source_gles2))) {
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "gauss_width", width);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 7,
gst_gl_effects_blur_kernel ());
gst_gl_filter_draw_fullscreen_quad (filter);
}
}
static void
gst_gl_effects_blur_callback_vconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "vconv0",
vconv7_fragment_source_gles2))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "gauss_height", height);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 7,
gst_gl_effects_blur_kernel ());
gst_gl_filter_draw_fullscreen_quad (filter);
}
}
void
gst_gl_effects_blur (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->midtexture[0], gst_gl_effects_blur_callback_hconv, effects);
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[0],
effects->outtexture, gst_gl_effects_blur_callback_vconv, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "hconv0",
hconv7_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1f (shader, "gauss_width",
GST_VIDEO_INFO_WIDTH (&filter->in_info));
gst_gl_shader_set_uniform_1fv (shader, "kernel", 7,
gst_gl_effects_blur_kernel ());
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->midtexture[0], shader);
shader = gst_gl_effects_get_fragment_shader (effects, "vconv0",
vconv7_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1f (shader, "gauss_height",
GST_VIDEO_INFO_HEIGHT (&filter->in_info));
gst_gl_shader_set_uniform_1fv (shader, "kernel", 7,
gst_gl_effects_blur_kernel ());
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[0],
effects->outtexture, shader);
}

40
ext/gl/effects/gstgleffectbulge.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_bulge_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "bulge",
bulge_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_bulge (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_bulge_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "bulge",
bulge_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

40
ext/gl/effects/gstgleffectfisheye.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_fisheye_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "fisheye",
fisheye_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_fisheye (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_fisheye_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "fisheye",
fisheye_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

163
ext/gl/effects/gstgleffectglow.c
View file

@ -26,170 +26,61 @@
static gboolean kernel_ready = FALSE;
static float gauss_kernel[7];
static void
gst_gl_effects_glow_step_one (gint width, gint height, guint texture,
gpointer data)
void
gst_gl_effects_glow (GstGLEffects * effects)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (effects)->context->gl_vtable;
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "luma_threshold",
luma_threshold_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_effects_glow_step_two (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "hconv7",
hconv7_fragment_source_gles2);
if (!shader)
return;
if (!kernel_ready) {
fill_gaussian_kernel (gauss_kernel, 7, 10.0);
kernel_ready = TRUE;
}
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
/* threshold */
shader = gst_gl_effects_get_fragment_shader (effects, "luma_threshold",
luma_threshold_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->midtexture[0], shader);
/* blur */
shader = gst_gl_effects_get_fragment_shader (effects, "hconv7",
hconv7_fragment_source_gles2);
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 7, gauss_kernel);
gst_gl_shader_set_uniform_1f (shader, "gauss_width", width);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_effects_glow_step_three (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
gst_gl_shader_set_uniform_1f (shader, "gauss_width",
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[0],
effects->midtexture[1], shader);
shader = gst_gl_effects_get_fragment_shader (effects, "vconv7",
vconv7_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 7, gauss_kernel);
gst_gl_shader_set_uniform_1f (shader, "gauss_height", height);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_effects_glow_step_four (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
gst_gl_shader_set_uniform_1f (shader, "gauss_height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[1],
effects->midtexture[2], shader);
/* add blurred luma to intexture */
shader = gst_gl_effects_get_fragment_shader (effects, "sum",
sum_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE2);
gl->BindTexture (GL_TEXTURE_2D, effects->intexture->tex_id);
gl->BindTexture (GL_TEXTURE_2D,
gst_gl_memory_get_texture_id (effects->intexture));
gst_gl_shader_set_uniform_1f (shader, "alpha", 1.0f);
gst_gl_shader_set_uniform_1i (shader, "base", 2);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D,
gst_gl_memory_get_texture_id (effects->midtexture[2]));
gst_gl_shader_set_uniform_1f (shader, "beta", (gfloat) 1 / 3.5f);
gst_gl_shader_set_uniform_1i (shader, "blend", 1);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_glow (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
/* threshold */
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->midtexture[0], gst_gl_effects_glow_step_one, effects);
/* blur */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[0],
effects->midtexture[1], gst_gl_effects_glow_step_two, effects);
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[1],
effects->midtexture[2], gst_gl_effects_glow_step_three, effects);
/* add blurred luma to intexture */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[2],
effects->outtexture, gst_gl_effects_glow_step_four, effects);
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[2],
effects->outtexture, shader);
}

38
ext/gl/effects/gstgleffectidentity.c
View file

@ -23,23 +23,13 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_identity_callback (gint width, gint height, guint texture,
gpointer data)
void
gst_gl_effects_identity (GstGLEffects * effects)
{
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLContext *context = GST_GL_BASE_FILTER (effects)->context;
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
GstGLShader *shader;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
shader = g_hash_table_lookup (effects->shaderstable, "identity0");
if (!shader) {
GError *error = NULL;
@ -50,28 +40,10 @@ gst_gl_effects_identity_callback (gint width, gint height, guint texture,
return;
}
filter->draw_attr_position_loc =
gst_gl_shader_get_attribute_location (shader, "a_position");
filter->draw_attr_texture_loc =
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
g_hash_table_insert (effects->shaderstable, (gchar *) "identity0", shader);
}
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_identity (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_identity_callback, effects);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

60
ext/gl/effects/gstgleffectlaplacian.c
View file

@ -25,48 +25,28 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_laplacian_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "conv0",
conv9_fragment_source_gles2))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
static gfloat kernel[9] = { 0.0, -1.0, 0.0,
-1.0, 4.0, -1.0,
0.0, -1.0, 0.0
};
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "height", height);
gst_gl_shader_set_uniform_1f (shader, "width", width);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 9, kernel);
gst_gl_shader_set_uniform_1i (shader, "invert", effects->invert);
gst_gl_filter_draw_fullscreen_quad (filter);
}
}
static gfloat kernel[9] = {
0.0, -1.0, 0.0,
-1.0, 4.0, -1.0,
0.0, -1.0, 0.0
};
void
gst_gl_effects_laplacian (GstGLEffects * effects)
{
gst_gl_filter_render_to_target (GST_GL_FILTER (effects), TRUE,
effects->intexture, effects->outtexture,
gst_gl_effects_laplacian_callback, effects);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
shader = gst_gl_effects_get_fragment_shader (effects, "conv0",
conv9_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1f (shader, "height",
GST_VIDEO_INFO_HEIGHT (&filter->in_info));
gst_gl_shader_set_uniform_1f (shader, "width",
GST_VIDEO_INFO_WIDTH (&filter->in_info));
gst_gl_shader_set_uniform_1fv (shader, "kernel", 9, kernel);
gst_gl_shader_set_uniform_1i (shader, "invert", effects->invert);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

110
ext/gl/effects/gstgleffectlumatocurve.c
View file

@ -26,13 +26,13 @@
void
gst_gl_effects_luma_to_curve (GstGLEffects * effects,
const GstGLEffectsCurve * curve,
gint curve_index, gint width, gint height, GLuint texture)
const GstGLEffectsCurve * curve, gint curve_index, GstGLMemory * in_tex,
GstGLMemory * out_tex)
{
GstGLShader *shader;
GstGLContext *context = GST_GL_BASE_FILTER (effects)->context;
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
const GstGLFuncs *gl = context->gl_vtable;
GstGLShader *shader;
shader = gst_gl_effects_get_fragment_shader (effects, "luma_to_curve",
luma_to_curve_fragment_source_gles2);
@ -47,112 +47,46 @@ gst_gl_effects_luma_to_curve (GstGLEffects * effects,
}
#endif
gst_gl_shader_use (shader);
if (effects->curve[curve_index] == 0) {
/* this parameters are needed to have a right, predictable, mapping */
gl->GenTextures (1, &effects->curve[curve_index]);
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->BindTexture (GL_TEXTURE_1D, effects->curve[curve_index]);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_WRAP_T, GL_CLAMP);
gl->TexImage1D (GL_TEXTURE_1D, 0, curve->bytes_per_pixel,
curve->width, 0, GL_RGB, GL_UNSIGNED_BYTE, curve->pixel_data);
}
#endif
if (USING_GLES2 (context) || USING_OPENGL3 (context)) {
gl->BindTexture (GL_TEXTURE_2D, effects->curve[curve_index]);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGB,
curve->width, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, curve->pixel_data);
}
}
gl->ActiveTexture (GL_TEXTURE2);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 2);
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_1D, effects->curve[curve_index]);
gst_gl_shader_set_uniform_1i (shader, "curve", 1);
}
#endif
if (USING_GLES2 (context) || USING_OPENGL3 (context)) {
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, effects->curve[curve_index]);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gst_gl_shader_set_uniform_1i (shader, "curve", 1);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGB,
curve->width, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, curve->pixel_data);
}
gst_gl_filter_draw_fullscreen_quad (filter);
}
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE2);
gl->BindTexture (GL_TEXTURE_2D, effects->curve[curve_index]);
static void
gst_gl_effects_heat_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLEffects *effects = GST_GL_EFFECTS (data);
gst_gl_shader_set_uniform_1i (shader, "curve", 2);
gst_gl_effects_luma_to_curve (effects, &heat_curve, GST_GL_EFFECTS_CURVE_HEAT,
width, height, texture);
gst_gl_filter_render_to_target_with_shader (filter, in_tex, out_tex, shader);
}
void
gst_gl_effects_heat (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_heat_callback, effects);
}
static void
gst_gl_effects_sepia_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLEffects *effects = GST_GL_EFFECTS (data);
gst_gl_effects_luma_to_curve (effects, &sepia_curve,
GST_GL_EFFECTS_CURVE_SEPIA, width, height, texture);
gst_gl_effects_luma_to_curve (effects, &heat_curve,
GST_GL_EFFECTS_CURVE_HEAT, effects->intexture, effects->outtexture);
}
void
gst_gl_effects_sepia (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_sepia_callback, effects);
}
static void
gst_gl_effects_luma_xpro_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLEffects *effects = GST_GL_EFFECTS (data);
gst_gl_effects_luma_to_curve (effects, &luma_xpro_curve,
GST_GL_EFFECTS_CURVE_LUMA_XPRO, width, height, texture);
gst_gl_effects_luma_to_curve (effects, &sepia_curve,
GST_GL_EFFECTS_CURVE_SEPIA, effects->intexture, effects->outtexture);
}
void
gst_gl_effects_luma_xpro (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_luma_xpro_callback, effects);
gst_gl_effects_luma_to_curve (effects, &luma_xpro_curve,
GST_GL_EFFECTS_CURVE_LUMA_XPRO, effects->intexture, effects->outtexture);
}

4
ext/gl/effects/gstgleffectlumatocurve.h
View file

@ -28,8 +28,8 @@ G_BEGIN_DECLS
void gst_gl_effects_luma_to_curve (GstGLEffects *effects,
const GstGLEffectsCurve *curve,
gint curve_index,
gint width, gint height,
GLuint texture);
GstGLMemory *in_tex,
GstGLMemory *out_tex);
G_END_DECLS
#endif /* __GST_GL_LUMA_TO_CURVE_H__ */

40
ext/gl/effects/gstgleffectmirror.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_mirror_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLFilter *filter = GST_GL_FILTER (data);
GstGLEffects *effects = GST_GL_EFFECTS (filter);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "mirror",
mirror_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_mirror (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_mirror_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "mirror",
mirror_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

77
ext/gl/effects/gstgleffectrgbtocurve.c
View file

@ -26,13 +26,13 @@
static void
gst_gl_effects_rgb_to_curve (GstGLEffects * effects,
const GstGLEffectsCurve * curve,
gint curve_index, gint width, gint height, GLuint texture)
const GstGLEffectsCurve * curve, gint curve_index, GstGLMemory * in_tex,
GstGLMemory * out_tex)
{
GstGLShader *shader;
GstGLContext *context = GST_GL_BASE_FILTER (effects)->context;
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
const GstGLFuncs *gl = context->gl_vtable;
GstGLShader *shader;
shader = gst_gl_effects_get_fragment_shader (effects, "rgb_to_curve",
rgb_to_curve_fragment_source_gles2);
@ -47,73 +47,32 @@ gst_gl_effects_rgb_to_curve (GstGLEffects * effects,
}
#endif
gst_gl_shader_use (shader);
if (effects->curve[curve_index] == 0) {
/* this parameters are needed to have a right, predictable, mapping */
gl->GenTextures (1, &effects->curve[curve_index]);
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->BindTexture (GL_TEXTURE_1D, effects->curve[curve_index]);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_CLAMP);
gl->TexParameteri (GL_TEXTURE_1D, GL_TEXTURE_WRAP_T, GL_CLAMP);
gl->TexImage1D (GL_TEXTURE_1D, 0, GL_RGB,
curve->width, 0, GL_RGB, GL_UNSIGNED_BYTE, curve->pixel_data);
}
#endif
if (USING_GLES2 (context) || USING_OPENGL3 (context)) {
gl->BindTexture (GL_TEXTURE_2D, effects->curve[curve_index]);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGB,
curve->width, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, curve->pixel_data);
}
}
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_1D, effects->curve[curve_index]);
gst_gl_shader_set_uniform_1i (shader, "curve", 1);
}
#endif
if (USING_GLES2 (context) || USING_OPENGL3 (context)) {
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, effects->curve[curve_index]);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl->TexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gst_gl_shader_set_uniform_1i (shader, "curve", 1);
gl->TexImage2D (GL_TEXTURE_2D, 0, GL_RGB,
curve->width, 1, 0, GL_RGB, GL_UNSIGNED_BYTE, curve->pixel_data);
}
gst_gl_filter_draw_fullscreen_quad (filter);
}
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE2);
gl->BindTexture (GL_TEXTURE_2D, effects->curve[curve_index]);
static void
gst_gl_effects_xpro_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLEffects *effects = GST_GL_EFFECTS (data);
gst_gl_shader_set_uniform_1i (shader, "curve", 2);
gst_gl_effects_rgb_to_curve (effects, &xpro_curve, GST_GL_EFFECTS_CURVE_XPRO,
width, height, texture);
gst_gl_filter_render_to_target_with_shader (filter, in_tex, out_tex, shader);
}
void
gst_gl_effects_xpro (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_xpro_callback, effects);
gst_gl_effects_rgb_to_curve (effects, &xpro_curve, GST_GL_EFFECTS_CURVE_XPRO,
effects->intexture, effects->outtexture);
}

40
ext/gl/effects/gstgleffectsin.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_sin_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "sin",
sin_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_sin (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_sin_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "sin",
sin_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

163
ext/gl/effects/gstgleffectsobel.c
View file

@ -25,144 +25,37 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_sobel_callback_desaturate (gint width, gint height,
guint texture, gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "desat0",
desaturate_fragment_source_gles2))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
}
static void
gst_gl_effects_sobel_callback_hconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "hconv0",
sep_sobel_hconv3_fragment_source_gles2))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width", width);
gst_gl_filter_draw_fullscreen_quad (filter);
}
}
static void
gst_gl_effects_sobel_callback_vconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "vconv0",
sep_sobel_vconv3_fragment_source_gles2))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "height", height);
gst_gl_filter_draw_fullscreen_quad (filter);
}
}
static void
gst_gl_effects_sobel_callback_length (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader = NULL;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
if (NULL != (shader = gst_gl_effects_get_fragment_shader (effects, "len0",
sep_sobel_length_fragment_source_gles2))) {
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (GST_GL_BASE_FILTER (filter)->context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1i (shader, "invert", effects->invert);
gst_gl_filter_draw_fullscreen_quad (filter);
}
}
void
gst_gl_effects_sobel (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE,
effects->intexture, effects->midtexture[0],
gst_gl_effects_sobel_callback_desaturate, effects);
gst_gl_filter_render_to_target (filter, FALSE,
effects->midtexture[0], effects->midtexture[1],
gst_gl_effects_sobel_callback_hconv, effects);
gst_gl_filter_render_to_target (filter, FALSE,
effects->midtexture[1], effects->midtexture[0],
gst_gl_effects_sobel_callback_vconv, effects);
gst_gl_filter_render_to_target (filter, FALSE,
effects->midtexture[0], effects->outtexture,
gst_gl_effects_sobel_callback_length, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "desat0",
desaturate_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->midtexture[0], shader);
shader = gst_gl_effects_get_fragment_shader (effects, "hconv0",
sep_sobel_hconv3_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1f (shader, "height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[0],
effects->midtexture[1], shader);
shader = gst_gl_effects_get_fragment_shader (effects, "vconv0",
sep_sobel_vconv3_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1f (shader, "width",
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[1],
effects->midtexture[0], shader);
shader = gst_gl_effects_get_fragment_shader (effects, "len0",
sep_sobel_length_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1i (shader, "invert", effects->invert);
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[0],
effects->outtexture, shader);
}

40
ext/gl/effects/gstgleffectsquare.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_square_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "square",
square_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_square (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_square_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "square",
square_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

40
ext/gl/effects/gstgleffectsqueeze.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_squeeze_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLFilter *filter = GST_GL_FILTER (data);
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "squeeze",
squeeze_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_squeeze (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_squeeze_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "squeeze",
squeeze_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

39
ext/gl/effects/gstgleffectstretch.c
View file

@ -23,43 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_stretch_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "stretch",
stretch_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_stretch (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_stretch_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "stretch",
stretch_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

40
ext/gl/effects/gstgleffecttunnel.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_tunnel_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "tunnel",
tunnel_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_tunnel (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_tunnel_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "tunnel",
tunnel_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

40
ext/gl/effects/gstgleffecttwirl.c
View file

@ -23,44 +23,14 @@
#include "../gstgleffects.h"
static void
gst_gl_effects_twirl_callback (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "twirl",
twirl_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_twirl (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLShader *shader;
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->outtexture, gst_gl_effects_twirl_callback, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "twirl",
twirl_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->outtexture, shader);
}

344
ext/gl/effects/gstgleffectxray.c
View file

@ -28,297 +28,97 @@
static gboolean kernel_ready = FALSE;
static float gauss_kernel[7];
static void
gst_gl_effects_xray_step_one (gint width, gint height, guint texture,
gpointer data)
void
gst_gl_effects_xray (GstGLEffects * effects)
{
GstGLEffects *effects = GST_GL_EFFECTS (data);
gst_gl_effects_luma_to_curve (effects, &xray_curve, GST_GL_EFFECTS_CURVE_XRAY,
width, height, texture);
}
static void
gst_gl_effects_xray_step_two (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (effects)->context->gl_vtable;
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "hconv7",
hconv7_fragment_source_gles2);
if (!shader)
return;
GstGLShader *shader;
if (!kernel_ready) {
fill_gaussian_kernel (gauss_kernel, 7, 1.5);
kernel_ready = TRUE;
}
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 9, gauss_kernel);
gst_gl_shader_set_uniform_1f (shader, "gauss_width", width);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_effects_xray_step_three (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "vconv7",
vconv7_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 9, gauss_kernel);
gst_gl_shader_set_uniform_1f (shader, "gauss_height", height);
gst_gl_filter_draw_fullscreen_quad (filter);
}
/* multipass separable sobel */
static void
gst_gl_effects_xray_desaturate (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "desaturate",
desaturate_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_effects_xray_sobel_hconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "sobel_hconv3",
sep_sobel_hconv3_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_shader_set_uniform_1f (shader, "width", width);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_effects_xray_sobel_vconv (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "sobel_vconv3",
sep_sobel_vconv3_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_shader_set_uniform_1f (shader, "height", height);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_effects_xray_sobel_length (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "sobel_length",
sep_sobel_length_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (shader, "tex", 1);
gst_gl_shader_set_uniform_1i (shader, "invert", TRUE);
gst_gl_filter_draw_fullscreen_quad (filter);
}
/* end of sobel passes */
static void
gst_gl_effects_xray_step_five (gint width, gint height, guint texture,
gpointer data)
{
GstGLShader *shader;
GstGLEffects *effects = GST_GL_EFFECTS (data);
GstGLFilter *filter = GST_GL_FILTER (effects);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
shader = gst_gl_effects_get_fragment_shader (effects, "multiply",
multiply_fragment_source_gles2);
if (!shader)
return;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
gl->MatrixMode (GL_PROJECTION);
gl->LoadIdentity ();
}
#endif
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE2);
gl->BindTexture (GL_TEXTURE_2D, effects->midtexture[2]->tex_id);
gst_gl_shader_set_uniform_1i (shader, "base", 2);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1f (shader, "alpha", (gfloat) 0.5f);
gst_gl_shader_set_uniform_1i (shader, "blend", 1);
gst_gl_filter_draw_fullscreen_quad (filter);
}
void
gst_gl_effects_xray (GstGLEffects * effects)
{
GstGLFilter *filter = GST_GL_FILTER (effects);
/* map luma to xray curve */
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->midtexture[0], gst_gl_effects_xray_step_one, effects);
gst_gl_effects_luma_to_curve (effects, &xray_curve, GST_GL_EFFECTS_CURVE_XRAY,
effects->intexture, effects->midtexture[0]);
/* horizontal blur */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[0],
effects->midtexture[1], gst_gl_effects_xray_step_two, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "hconv7",
hconv7_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 9, gauss_kernel);
gst_gl_shader_set_uniform_1f (shader, "gauss_width",
GST_VIDEO_INFO_WIDTH (&filter->in_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[0],
effects->midtexture[1], shader);
/* vertical blur */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[1],
effects->midtexture[2], gst_gl_effects_xray_step_three, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "vconv7",
vconv7_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1fv (shader, "kernel", 9, gauss_kernel);
gst_gl_shader_set_uniform_1f (shader, "gauss_height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[1],
effects->midtexture[2], shader);
/* detect edges with Sobel */
/* the old version used edges from the blurred texture, this uses
* the ones from original texture, still not sure what I like
* more. This one gives better edges obviously but behaves badly
* with noise */
/* desaturate */
gst_gl_filter_render_to_target (filter, TRUE, effects->intexture,
effects->midtexture[3], gst_gl_effects_xray_desaturate, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "desaturate",
desaturate_fragment_source_gles2);
gst_gl_filter_render_to_target_with_shader (filter, effects->intexture,
effects->midtexture[3], shader);
/* horizonal convolution */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[3],
effects->midtexture[4], gst_gl_effects_xray_sobel_hconv, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "sobel_hconv3",
sep_sobel_hconv3_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1f (shader, "width",
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[3],
effects->midtexture[4], shader);
/* vertical convolution */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[4],
effects->midtexture[3], gst_gl_effects_xray_sobel_vconv, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "sobel_vconv3",
sep_sobel_vconv3_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1f (shader, "height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[4],
effects->midtexture[3], shader);
/* gradient length */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[3],
effects->midtexture[4], gst_gl_effects_xray_sobel_length, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "sobel_length",
sep_sobel_length_fragment_source_gles2);
gst_gl_shader_use (shader);
gst_gl_shader_set_uniform_1i (shader, "invert", TRUE);
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[3],
effects->midtexture[4], shader);
/* multiply edges with the blurred image */
gst_gl_filter_render_to_target (filter, FALSE, effects->midtexture[4],
effects->outtexture, gst_gl_effects_xray_step_five, effects);
shader = gst_gl_effects_get_fragment_shader (effects, "multiply",
multiply_fragment_source_gles2);
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE2);
gl->BindTexture (GL_TEXTURE_2D,
gst_gl_memory_get_texture_id (effects->midtexture[2]));
gst_gl_shader_set_uniform_1i (shader, "base", 2);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D,
gst_gl_memory_get_texture_id (effects->midtexture[4]));
gst_gl_shader_set_uniform_1f (shader, "alpha", (gfloat) 0.5f);
gst_gl_shader_set_uniform_1i (shader, "blend", 1);
gst_gl_filter_render_to_target_with_shader (filter, effects->midtexture[4],
effects->outtexture, shader);
}

23
ext/gl/gstglcolorbalance.c
View file

@ -231,13 +231,11 @@ gst_gl_color_balance_before_transform (GstBaseTransform * base, GstBuffer * buf)
gst_object_sync_values (GST_OBJECT (balance), stream_time);
}
static void
gst_gl_color_balance_callback (gint width, gint height, guint tex_id,
gpointer data)
static gboolean
gst_gl_color_balance_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
GstGLMemory * out_tex)
{
GstGLColorBalance *balance = GST_GL_COLOR_BALANCE (data);
GstGLFilter *filter = GST_GL_FILTER (data);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (data)->context->gl_vtable;
GstGLColorBalance *balance = GST_GL_COLOR_BALANCE (filter);
if (!balance->shader)
_create_shader (balance);
@ -252,17 +250,8 @@ gst_gl_color_balance_callback (gint width, gint height, guint tex_id,
gst_gl_shader_set_uniform_1f (balance->shader, "hue", balance->hue);
GST_OBJECT_UNLOCK (balance);
gl->BindTexture (GL_TEXTURE_2D, tex_id);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static gboolean
gst_gl_color_balance_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
GstGLMemory * out_tex)
{
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
(GLCB) gst_gl_color_balance_callback, filter);
gst_gl_filter_render_to_target_with_shader (filter, in_tex, out_tex,
balance->shader);
return TRUE;
}

2
ext/gl/gstglcolorscale.c
View file

@ -181,7 +181,7 @@ gst_gl_colorscale_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
GstGLColorscale *colorscale = GST_GL_COLORSCALE (filter);
if (gst_gl_context_get_gl_api (GST_GL_BASE_FILTER (filter)->context))
gst_gl_filter_render_to_target_with_shader (filter, TRUE, in_tex, out_tex,
gst_gl_filter_render_to_target_with_shader (filter, in_tex, out_tex,
colorscale->shader);
return TRUE;

49
ext/gl/gstgldeinterlace.c
View file

@ -65,10 +65,10 @@ static gboolean gst_gl_deinterlace_filter (GstGLFilter * filter,
GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_gl_deinterlace_filter_texture (GstGLFilter * filter,
GstGLMemory * in_tex, GstGLMemory * out_tex);
static void gst_gl_deinterlace_vfir_callback (gint width, gint height,
guint texture, gpointer stuff);
static void gst_gl_deinterlace_greedyh_callback (gint width, gint height,
guint texture, gpointer stuff);
static gboolean gst_gl_deinterlace_vfir_callback (GstGLFilter * filter,
GstGLMemory * in_tex, gpointer stuff);
static gboolean gst_gl_deinterlace_greedyh_callback (GstGLFilter * filter,
GstGLMemory * in_tex, gpointer stuff);
/* *INDENT-OFF* */
static const gchar *greedyh_fragment_source =
@ -276,7 +276,7 @@ gst_gl_deinterlace_init (GstGLDeinterlace * filter)
filter->deinterlacefunc = gst_gl_deinterlace_vfir_callback;
filter->current_method = GST_GL_DEINTERLACE_VFIR;
filter->prev_buffer = NULL;
filter->prev_tex = 0;
filter->prev_tex = NULL;
}
static gboolean
@ -370,7 +370,7 @@ gst_gl_deinterlace_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter);
//blocking call, use a FBO
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_filter_render_to_target (filter, in_tex, out_tex,
deinterlace_filter->deinterlacefunc, deinterlace_filter);
return TRUE;
@ -424,20 +424,19 @@ gst_gl_deinterlace_get_fragment_shader (GstGLFilter * filter,
return shader;
}
static void
gst_gl_deinterlace_vfir_callback (gint width, gint height, guint texture,
gpointer stuff)
static gboolean
gst_gl_deinterlace_vfir_callback (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer user_data)
{
GstGLShader *shader;
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
const GstGLFuncs *gl = context->gl_vtable;
GstGLShader *shader;
shader = gst_gl_deinterlace_get_fragment_shader (filter, "vfir",
vfir_fragment_source);
if (!shader)
return;
return FALSE;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
@ -449,7 +448,7 @@ gst_gl_deinterlace_vfir_callback (gint width, gint height, guint texture,
gst_gl_shader_use (shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width",
@ -458,14 +457,15 @@ gst_gl_deinterlace_vfir_callback (gint width, gint height, guint texture,
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_filter_draw_fullscreen_quad (filter);
return TRUE;
}
static void
gst_gl_deinterlace_greedyh_callback (gint width, gint height, guint texture,
gpointer stuff)
static gboolean
gst_gl_deinterlace_greedyh_callback (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer user_data)
{
GstGLShader *shader;
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLDeinterlace *deinterlace_filter = GST_GL_DEINTERLACE (filter);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
@ -475,7 +475,7 @@ gst_gl_deinterlace_greedyh_callback (gint width, gint height, guint texture,
greedyh_fragment_source);
if (!shader)
return;
return FALSE;
#if GST_GL_HAVE_OPENGL
if (USING_OPENGL (context)) {
@ -486,14 +486,15 @@ gst_gl_deinterlace_greedyh_callback (gint width, gint height, guint texture,
gst_gl_shader_use (shader);
if (G_LIKELY (deinterlace_filter->prev_tex != 0)) {
if (G_LIKELY (deinterlace_filter->prev_tex != NULL)) {
gl->ActiveTexture (GL_TEXTURE1);
gst_gl_shader_set_uniform_1i (shader, "tex_prev", 1);
gl->BindTexture (GL_TEXTURE_2D, deinterlace_filter->prev_tex);
gl->BindTexture (GL_TEXTURE_2D,
gst_gl_memory_get_texture_id (deinterlace_filter->prev_tex));
}
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "max_comb", 5.0f / 255.0f);
@ -508,5 +509,7 @@ gst_gl_deinterlace_greedyh_callback (gint width, gint height, guint texture,
gst_gl_filter_draw_fullscreen_quad (filter);
/* we keep the previous buffer around so this is safe */
deinterlace_filter->prev_tex = texture;
deinterlace_filter->prev_tex = in_tex;
return TRUE;
}

12
ext/gl/gstgldeinterlace.h
View file

@ -39,14 +39,14 @@ typedef struct _GstGLDeinterlaceClass GstGLDeinterlaceClass;
struct _GstGLDeinterlace
{
GstGLFilter filter;
GstGLFilter filter;
GLCB deinterlacefunc;
GHashTable *shaderstable;
GstBuffer *prev_buffer;
guint prev_tex;
GstGLFilterRenderFunc deinterlacefunc;
GHashTable *shaderstable;
GstBuffer *prev_buffer;
GstGLMemory * prev_tex;
gint current_method;
gint current_method;
};
struct _GstGLDeinterlaceClass

103
ext/gl/gstgldifferencematte.c
View file

@ -319,87 +319,90 @@ init_pixbuf_texture (GstGLDifferenceMatte * differencematte)
gst_object_unref (tex_alloc);
}
static void
gst_gl_differencematte_diff (gint width, gint height, guint texture,
static gboolean
gst_gl_differencematte_diff (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (filter);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
gst_gl_shader_use (differencematte->shader[0]);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_set_uniform_1i (differencematte->shader[0], "current", 0);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, differencematte->savedbgtexture->tex_id);
gl->BindTexture (GL_TEXTURE_2D,
gst_gl_memory_get_texture_id (differencematte->savedbgtexture));
gst_gl_shader_set_uniform_1i (differencematte->shader[0], "saved", 1);
gst_gl_filter_draw_fullscreen_quad (filter);
return TRUE;
}
static void
gst_gl_differencematte_hblur (gint width, gint height, guint texture,
static gboolean
gst_gl_differencematte_hblur (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (filter);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
gst_gl_shader_use (differencematte->shader[1]);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_set_uniform_1i (differencematte->shader[1], "tex", 0);
gst_gl_shader_set_uniform_1fv (differencematte->shader[1], "kernel", 7,
differencematte->kernel);
gst_gl_shader_set_uniform_1f (differencematte->shader[1], "gauss_width",
width);
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_filter_draw_fullscreen_quad (filter);
return TRUE;
}
static void
gst_gl_differencematte_vblur (gint width, gint height, guint texture,
static gboolean
gst_gl_differencematte_vblur (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (filter);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
gst_gl_shader_use (differencematte->shader[2]);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_set_uniform_1i (differencematte->shader[2], "tex", 0);
gst_gl_shader_set_uniform_1fv (differencematte->shader[2], "kernel", 7,
differencematte->kernel);
gst_gl_shader_set_uniform_1f (differencematte->shader[2], "gauss_height",
height);
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_filter_draw_fullscreen_quad (filter);
return TRUE;
}
static void
gst_gl_differencematte_interp (gint width, gint height, guint texture,
static gboolean
gst_gl_differencematte_interp (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (filter);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
gst_gl_shader_use (differencematte->shader[3]);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_set_uniform_1i (differencematte->shader[3], "blend", 0);
@ -414,24 +417,8 @@ gst_gl_differencematte_interp (gint width, gint height, guint texture,
gst_gl_shader_set_uniform_1i (differencematte->shader[3], "alpha", 2);
gst_gl_filter_draw_fullscreen_quad (filter);
}
static void
gst_gl_differencematte_identity (gint width, gint height, guint texture,
gpointer stuff)
{
GstGLDifferenceMatte *differencematte = GST_GL_DIFFERENCEMATTE (stuff);
GstGLFilter *filter = GST_GL_FILTER (differencematte);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
gst_gl_shader_use (differencematte->identity_shader);
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gst_gl_shader_set_uniform_1i (differencematte->identity_shader, "tex", 0);
gst_gl_filter_draw_fullscreen_quad (filter);
return TRUE;
}
static gboolean
@ -451,9 +438,8 @@ gst_gl_differencematte_filter_texture (GstGLFilter * filter,
/* save current frame, needed to calculate difference between
* this frame and next ones */
gst_gl_filter_render_to_target (filter, TRUE, in_tex,
differencematte->savedbgtexture,
gst_gl_differencematte_identity, differencematte);
gst_gl_filter_render_to_target_with_shader (filter, in_tex,
differencematte->savedbgtexture, differencematte->identity_shader);
if (differencematte->pixbuf) {
free (differencematte->pixbuf);
@ -464,20 +450,17 @@ gst_gl_differencematte_filter_texture (GstGLFilter * filter,
}
if (differencematte->savedbgtexture != NULL) {
gst_gl_filter_render_to_target (filter, TRUE, in_tex,
differencematte->midtexture[0], gst_gl_differencematte_diff,
differencematte);
gst_gl_filter_render_to_target (filter, FALSE,
differencematte->midtexture[0], differencematte->midtexture[1],
gst_gl_differencematte_hblur, differencematte);
gst_gl_filter_render_to_target (filter, FALSE,
differencematte->midtexture[1], differencematte->midtexture[2],
gst_gl_differencematte_vblur, differencematte);
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_differencematte_interp, differencematte);
gst_gl_filter_render_to_target (filter, in_tex,
differencematte->midtexture[0], gst_gl_differencematte_diff, NULL);
gst_gl_filter_render_to_target (filter, differencematte->midtexture[0],
differencematte->midtexture[1], gst_gl_differencematte_hblur, NULL);
gst_gl_filter_render_to_target (filter, differencematte->midtexture[1],
differencematte->midtexture[2], gst_gl_differencematte_vblur, NULL);
gst_gl_filter_render_to_target (filter, in_tex, out_tex,
gst_gl_differencematte_interp, NULL);
} else {
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_differencematte_identity, differencematte);
gst_gl_filter_render_to_target_with_shader (filter, in_tex, out_tex,
differencematte->identity_shader);
}
return TRUE;

2
ext/gl/gstglfilterapp.c
View file

@ -221,7 +221,7 @@ gst_gl_filter_app_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
out_tex, _emit_draw_signal, &cb);
if (default_draw) {
gst_gl_filter_render_to_target_with_shader (filter, TRUE, in_tex, out_tex,
gst_gl_filter_render_to_target_with_shader (filter, in_tex, out_tex,
filter->default_shader);
}

25
ext/gl/gstglfiltershader.c
View file

@ -83,8 +83,8 @@ static gboolean gst_gl_filtershader_filter (GstGLFilter * filter,
GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_gl_filtershader_filter_texture (GstGLFilter * filter,
GstGLMemory * in_tex, GstGLMemory * out_tex);
static void gst_gl_filtershader_hcallback (gint width, gint height,
guint texture, gpointer stuff);
static gboolean gst_gl_filtershader_hcallback (GstGLFilter * filter,
GstGLMemory * in_tex, gpointer stuff);
static void
gst_gl_filtershader_class_init (GstGLFilterShaderClass * klass)
@ -318,8 +318,8 @@ gst_gl_filtershader_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
{
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_filtershader_hcallback, filtershader);
gst_gl_filter_render_to_target (filter, in_tex, out_tex,
gst_gl_filtershader_hcallback, NULL);
if (!filtershader->shader)
return FALSE;
@ -493,17 +493,16 @@ print_error:
return NULL;
}
static void
gst_gl_filtershader_hcallback (gint width, gint height, guint texture,
static gboolean
gst_gl_filtershader_hcallback (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLFilterShader *filtershader = GST_GL_FILTERSHADER (filter);
GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
GstGLShader *shader;
if (!(shader = _maybe_recompile_shader (filtershader)))
return;
return FALSE;
gl->ClearColor (0.0, 0.0, 0.0, 1.0);
gl->Clear (GL_COLOR_BUFFER_BIT);
@ -512,8 +511,10 @@ gst_gl_filtershader_hcallback (gint width, gint height, guint texture,
/* FIXME: propertise these */
gst_gl_shader_set_uniform_1i (shader, "tex", 0);
gst_gl_shader_set_uniform_1f (shader, "width", width);
gst_gl_shader_set_uniform_1f (shader, "height", height);
gst_gl_shader_set_uniform_1f (shader, "width",
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_shader_set_uniform_1f (shader, "height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_shader_set_uniform_1f (shader, "time", filtershader->time);
/* FIXME: propertise these */
@ -523,9 +524,11 @@ gst_gl_filtershader_hcallback (gint width, gint height, guint texture,
gst_gl_shader_get_attribute_location (shader, "a_texcoord");
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_filter_draw_fullscreen_quad (filter);
gst_object_unref (shader);
return TRUE;
}

71
ext/gl/gstgloverlay.c
View file

@ -372,29 +372,31 @@ gst_gl_overlay_set_caps (GstGLFilter * filter, GstCaps * incaps,
static void
_unbind_buffer (GstGLOverlay * overlay)
{
GstGLFilter *filter = GST_GL_FILTER (overlay);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (overlay)->context->gl_vtable;
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, 0);
gl->BindBuffer (GL_ARRAY_BUFFER, 0);
gl->DisableVertexAttribArray (overlay->attr_position);
gl->DisableVertexAttribArray (overlay->attr_texture);
gl->DisableVertexAttribArray (filter->draw_attr_position_loc);
gl->DisableVertexAttribArray (filter->draw_attr_texture_loc);
}
static void
_bind_buffer (GstGLOverlay * overlay, GLuint vbo)
{
GstGLFilter *filter = GST_GL_FILTER (overlay);
const GstGLFuncs *gl = GST_GL_BASE_FILTER (overlay)->context->gl_vtable;
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, overlay->vbo_indices);
gl->BindBuffer (GL_ARRAY_BUFFER, vbo);
gl->EnableVertexAttribArray (overlay->attr_position);
gl->EnableVertexAttribArray (overlay->attr_texture);
gl->EnableVertexAttribArray (filter->draw_attr_position_loc);
gl->EnableVertexAttribArray (filter->draw_attr_texture_loc);
gl->VertexAttribPointer (overlay->attr_position, 3, GL_FLOAT,
gl->VertexAttribPointer (filter->draw_attr_position_loc, 3, GL_FLOAT,
GL_FALSE, 5 * sizeof (GLfloat), (void *) 0);
gl->VertexAttribPointer (overlay->attr_texture, 2, GL_FLOAT,
gl->VertexAttribPointer (filter->draw_attr_texture_loc, 2, GL_FLOAT,
GL_FALSE, 5 * sizeof (GLfloat), (void *) (3 * sizeof (GLfloat)));
}
@ -410,15 +412,16 @@ float v_vertices[] = {
static const GLushort indices[] = { 0, 1, 2, 0, 2, 3, };
/* *INDENT-ON* */
static void
gst_gl_overlay_callback (gint width, gint height, guint texture, gpointer stuff)
static gboolean
gst_gl_overlay_callback (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer stuff)
{
GstGLOverlay *overlay = GST_GL_OVERLAY (stuff);
GstGLFilter *filter = GST_GL_FILTER (overlay);
GstGLOverlay *overlay = GST_GL_OVERLAY (filter);
GstMapInfo map_info;
guint image_tex;
gboolean memory_mapped = FALSE;
const GstGLFuncs *gl = GST_GL_BASE_FILTER (filter)->context->gl_vtable;
gboolean ret = FALSE;
#if GST_GL_HAVE_OPENGL
if (gst_gl_context_get_gl_api (GST_GL_BASE_FILTER (filter)->context) &
@ -430,49 +433,19 @@ gst_gl_overlay_callback (gint width, gint height, guint texture, gpointer stuff)
#endif
gl->ActiveTexture (GL_TEXTURE0);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_use (overlay->shader);
gst_gl_shader_set_uniform_1f (overlay->shader, "alpha", 1.0f);
gst_gl_shader_set_uniform_1i (overlay->shader, "texture", 0);
overlay->attr_position =
filter->draw_attr_position_loc =
gst_gl_shader_get_attribute_location (overlay->shader, "a_position");
overlay->attr_texture =
filter->draw_attr_texture_loc =
gst_gl_shader_get_attribute_location (overlay->shader, "a_texcoord");
if (!overlay->vbo) {
if (gl->GenVertexArrays) {
gl->GenVertexArrays (1, &overlay->vao);
gl->BindVertexArray (overlay->vao);
}
gl->GenBuffers (1, &overlay->vbo);
gl->BindBuffer (GL_ARRAY_BUFFER, overlay->vbo);
gl->BufferData (GL_ARRAY_BUFFER, 4 * 5 * sizeof (GLfloat), v_vertices,
GL_STATIC_DRAW);
gl->GenBuffers (1, &overlay->vbo_indices);
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, overlay->vbo_indices);
gl->BufferData (GL_ELEMENT_ARRAY_BUFFER, sizeof (indices), indices,
GL_STATIC_DRAW);
if (gl->GenVertexArrays) {
_bind_buffer (overlay, overlay->vbo);
gl->BindVertexArray (0);
}
gl->BindBuffer (GL_ARRAY_BUFFER, 0);
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, 0);
}
if (gl->GenVertexArrays)
gl->BindVertexArray (overlay->vao);
else
_bind_buffer (overlay, overlay->vbo);
gl->DrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, 0);
gst_gl_filter_draw_fullscreen_quad (filter);
if (!overlay->image_memory)
goto out;
@ -490,6 +463,11 @@ gst_gl_overlay_callback (gint width, gint height, guint texture, gpointer stuff)
gl->BindVertexArray (overlay->overlay_vao);
}
gl->GenBuffers (1, &overlay->vbo_indices);
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, overlay->vbo_indices);
gl->BufferData (GL_ELEMENT_ARRAY_BUFFER, sizeof (indices), indices,
GL_STATIC_DRAW);
gl->GenBuffers (1, &overlay->overlay_vbo);
gl->BindBuffer (GL_ARRAY_BUFFER, overlay->overlay_vbo);
gl->BindBuffer (GL_ELEMENT_ARRAY_BUFFER, overlay->vbo_indices);
@ -553,6 +531,7 @@ gst_gl_overlay_callback (gint width, gint height, guint texture, gpointer stuff)
gl->DrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, 0);
gl->Disable (GL_BLEND);
ret = TRUE;
out:
if (gl->GenVertexArrays) {
@ -567,6 +546,8 @@ out:
gst_memory_unmap ((GstMemory *) overlay->image_memory, &map_info);
overlay->geometry_change = FALSE;
return ret;
}
static gboolean
@ -641,7 +622,7 @@ gst_gl_overlay_filter_texture (GstGLFilter * filter, GstGLMemory * in_tex,
overlay->location_has_changed = FALSE;
}
gst_gl_filter_render_to_target (filter, TRUE, in_tex, out_tex,
gst_gl_filter_render_to_target (filter, in_tex, out_tex,
gst_gl_overlay_callback, overlay);
return TRUE;

86
gst-libs/gst/gl/gstglfilter.c
View file

@ -996,66 +996,46 @@ gst_gl_filter_transform (GstBaseTransform * bt, GstBuffer * inbuf,
return ret ? GST_FLOW_OK : GST_FLOW_ERROR;
}
struct glcb2
struct glcb
{
GLCB func;
GstGLFilter *filter;
GstGLFilterRenderFunc func;
GstGLMemory *in_tex;
gpointer data;
guint texture;
guint width;
guint height;
};
/* convenience functions to simplify filter development */
static gboolean
_glcb2 (gpointer data)
_glcb (gpointer data)
{
struct glcb2 *cb = data;
struct glcb *cb = data;
cb->func (cb->width, cb->height, cb->texture, cb->data);
return TRUE;
return cb->func (cb->filter, cb->in_tex, cb->data);
}
/**
* gst_gl_filter_render_to_target:
* @filter: a #GstGLFilter
* @resize: whether to automatically resize the texture between the input size
* and the output size
* @input: the input texture
* @target: the output texture
* @output: the output texture
* @func: the function to transform @input into @output. called with @data
* @data: the data associated with @func
*
* Transforms @input into @output using @func on through FBO. @resize should
* only ever be %TRUE whenever @input is the input texture of @filter.
* Transforms @input into @output using @func on through FBO.
*
* Returns: the return value of @func
*/
void
gst_gl_filter_render_to_target (GstGLFilter * filter, gboolean resize,
GstGLMemory * input, GstGLMemory * output, GLCB func, gpointer data)
gboolean
gst_gl_filter_render_to_target (GstGLFilter * filter, GstGLMemory * input,
GstGLMemory * output, GstGLFilterRenderFunc func, gpointer data)
{
guint in_width, in_height, out_width, out_height;
struct glcb2 cb;
out_width = GST_VIDEO_INFO_WIDTH (&filter->out_info);
out_height = GST_VIDEO_INFO_HEIGHT (&filter->out_info);
if (resize) {
in_width = GST_VIDEO_INFO_WIDTH (&filter->in_info);
in_height = GST_VIDEO_INFO_HEIGHT (&filter->in_info);
} else {
in_width = out_width;
in_height = out_height;
}
GST_LOG ("rendering to target. in %u, %ux%u out %u, %ux%u", input->tex_id,
in_width, in_height, output->tex_id, out_width, out_height);
struct glcb cb;
cb.filter = filter;
cb.func = func;
cb.in_tex = input;
cb.data = data;
cb.texture = input->tex_id;
cb.width = in_width;
cb.height = in_height;
gst_gl_framebuffer_draw_to_texture (filter->fbo, output, _glcb2, &cb);
return gst_gl_framebuffer_draw_to_texture (filter->fbo, output, _glcb, &cb);
}
static void
@ -1080,10 +1060,10 @@ _get_attributes (GstGLFilter * filter)
filter->valid_attributes = TRUE;
}
static void
_draw_with_shader_cb (gint width, gint height, guint texture, gpointer stuff)
static gboolean
_draw_with_shader_cb (GstGLFilter * filter, GstGLMemory * in_tex,
gpointer unused)
{
GstGLFilter *filter = GST_GL_FILTER (stuff);
GstGLContext *context = GST_GL_BASE_FILTER (filter)->context;
GstGLFuncs *gl = context->gl_vtable;
@ -1098,26 +1078,27 @@ _draw_with_shader_cb (gint width, gint height, guint texture, gpointer stuff)
gst_gl_shader_use (filter->default_shader);
gl->ActiveTexture (GL_TEXTURE1);
gl->BindTexture (GL_TEXTURE_2D, texture);
gl->BindTexture (GL_TEXTURE_2D, gst_gl_memory_get_texture_id (in_tex));
gst_gl_shader_set_uniform_1i (filter->default_shader, "tex", 1);
gst_gl_shader_set_uniform_1f (filter->default_shader, "width", width);
gst_gl_shader_set_uniform_1f (filter->default_shader, "height", height);
gst_gl_shader_set_uniform_1f (filter->default_shader, "width",
GST_VIDEO_INFO_WIDTH (&filter->out_info));
gst_gl_shader_set_uniform_1f (filter->default_shader, "height",
GST_VIDEO_INFO_HEIGHT (&filter->out_info));
gst_gl_filter_draw_fullscreen_quad (filter);
return TRUE;
}
/**
* gst_gl_filter_render_to_target_with_shader:
* @filter: a #GstGLFilter
* @resize: whether to automatically resize the texture between the input size
* and the output size
* @input: the input texture
* @target: the output texture
* @output: the output texture
* @shader: the shader to use.
*
* Transforms @input into @output using @shader on FBO. @resize should
* only ever be %TRUE whenever @input is the input texture of @filter.
* Transforms @input into @output using @shader with a FBO.
*
* See also: gst_gl_filter_render_to_target()
*/
@ -1125,15 +1106,14 @@ _draw_with_shader_cb (gint width, gint height, guint texture, gpointer stuff)
* the shader, render input to a quad */
void
gst_gl_filter_render_to_target_with_shader (GstGLFilter * filter,
gboolean resize, GstGLMemory * input, GstGLMemory * output,
GstGLShader * shader)
GstGLMemory * input, GstGLMemory * output, GstGLShader * shader)
{
if (filter->default_shader != shader)
filter->valid_attributes = FALSE;
filter->default_shader = shader;
gst_gl_filter_render_to_target (filter, resize, input, output,
_draw_with_shader_cb, filter);
gst_gl_filter_render_to_target (filter, input, output, _draw_with_shader_cb,
NULL);
}
/* *INDENT-OFF* */

8
gst-libs/gst/gl/gstglfilter.h
View file

@ -38,6 +38,8 @@ GType gst_gl_filter_get_type(void);
#define GST_IS_GL_FILTER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_GL_FILTER))
#define GST_GL_FILTER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_FILTER,GstGLFilterClass))
typedef gboolean (*GstGLFilterRenderFunc) (GstGLFilter * filter, GstGLMemory * in_tex, gpointer user_data);
/**
* GstGLFilter:
* @base_transform: parent #GstBaseTransform
@ -117,16 +119,14 @@ struct _GstGLFilterClass
gboolean gst_gl_filter_filter_texture (GstGLFilter * filter, GstBuffer * inbuf,
GstBuffer * outbuf);
void gst_gl_filter_render_to_target (GstGLFilter *filter,
gboolean resize,
gboolean gst_gl_filter_render_to_target (GstGLFilter *filter,
GstGLMemory * input,
GstGLMemory * output,
GLCB func,
GstGLFilterRenderFunc func,
gpointer data);
void gst_gl_filter_draw_fullscreen_quad (GstGLFilter *filter);
void gst_gl_filter_render_to_target_with_shader (GstGLFilter * filter,
gboolean resize,
GstGLMemory * input,
GstGLMemory * output,
GstGLShader *shader);

23
gst-libs/gst/gl/gstglpixelformat.c Normal file
View file

@ -0,0 +1,23 @@
/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

21
gst-libs/gst/gl/gstglutils.h
View file

@ -28,27 +28,6 @@
G_BEGIN_DECLS
/**
* CDCB:
* @texture: texture to draw
* @width: new width
* @height: new height:
* @data: user data
*
* client draw callback
*/
typedef gboolean (*CDCB) (GLuint texture, GLuint width, GLuint height, gpointer data);
/**
* GLCB:
* @width: the width
* @height: the height
* @texture: texture
* @stuff: user data
*
* callback definition for operating on textures
*/
typedef void (*GLCB) (gint, gint, guint, gpointer stuff);
gboolean gst_gl_context_gen_shader (GstGLContext * context,
const gchar * shader_vertex_source,
const gchar * shader_fragment_source, GstGLShader ** shader);