pbos[0] = pbos[1] = pbos[2] = 0;
texture_num[0] = texture_num[1] = texture_num[2] = 0;
- assert(width % ycbcr_format.chroma_subsampling_x == 0);
- pitch[0] = widths[0] = width;
- pitch[1] = widths[1] = width / ycbcr_format.chroma_subsampling_x;
- pitch[2] = widths[2] = width / ycbcr_format.chroma_subsampling_x;
-
- assert(height % ycbcr_format.chroma_subsampling_y == 0);
- heights[0] = height;
- heights[1] = height / ycbcr_format.chroma_subsampling_y;
- heights[2] = height / ycbcr_format.chroma_subsampling_y;
+ set_width(width);
+ set_height(height);
pixel_data[0] = pixel_data[1] = pixel_data[2] = NULL;
+ owns_texture[0] = owns_texture[1] = owns_texture[2] = false;
register_uniform_sampler2d("tex_y", &uniform_tex_y);
YCbCrInput::~YCbCrInput()
{
for (unsigned channel = 0; channel < num_channels; ++channel) {
- if (texture_num[channel] != 0) {
- resource_pool->release_2d_texture(texture_num[channel]);
- }
+ possibly_release_texture(channel);
}
}
glActiveTexture(GL_TEXTURE0 + *sampler_num + channel);
check_error();
- if (texture_num[channel] == 0) {
+ if (texture_num[channel] == 0 && (pbos[channel] != 0 || pixel_data[channel] != NULL)) {
GLenum format, internal_format;
if (channel == 1 && ycbcr_input_splitting == YCBCR_INPUT_SPLIT_Y_AND_CBCR) {
format = GL_RG;
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
check_error();
+ owns_texture[channel] = true;
} else {
glBindTexture(GL_TEXTURE_2D, texture_num[channel]);
check_error();
void YCbCrInput::invalidate_pixel_data()
{
for (unsigned channel = 0; channel < 3; ++channel) {
- if (texture_num[channel] != 0) {
- resource_pool->release_2d_texture(texture_num[channel]);
- texture_num[channel] = 0;
- }
+ possibly_release_texture(channel);
}
}
return Effect::set_int(key, value);
}
+void YCbCrInput::possibly_release_texture(unsigned channel)
+{
+ if (texture_num[channel] != 0 && owns_texture[channel]) {
+ resource_pool->release_2d_texture(texture_num[channel]);
+ texture_num[channel] = 0;
+ owns_texture[channel] = false;
+ }
+}
+
} // namespace movit