X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=ycbcr_input.h;h=bf6d800eeb0c918c1b535bd2f6bf2c65c0bfa354;hp=1225d6e912d16b9bbf68bd4f135ac170beac7c2d;hb=refs%2Fheads%2Fepoxy;hpb=ac4fc36aa70ffefb6b9632dc0abea5cbbce5387b diff --git a/ycbcr_input.h b/ycbcr_input.h index 1225d6e..bf6d800 100644 --- a/ycbcr_input.h +++ b/ycbcr_input.h @@ -5,14 +5,19 @@ // imprecisely, called “YUV”), which is typically what you get from a video decoder. // It upsamples planes as needed, using the default linear upsampling OpenGL gives you. -#include +#include #include #include #include "effect.h" +#include "effect_chain.h" #include "image_format.h" #include "input.h" +namespace movit { + +class ResourcePool; + struct YCbCrFormat { // Which formula for Y' to use. YCbCrLumaCoefficients luma_coefficients; @@ -41,11 +46,6 @@ public: virtual std::string effect_type_id() const { return "YCbCrInput"; } - // Create the texture itself. We cannot do this in the constructor, - // because we don't necessarily know all the settings (sRGB texture, - // mipmap generation) at that point. - void finalize(); - virtual bool can_output_linear_gamma() const { return false; } virtual AlphaHandling alpha_handling() const { return OUTPUT_BLANK_ALPHA; } @@ -63,37 +63,46 @@ public: // this data, you must either call set_pixel_data() again (using the same pointer // is fine), or invalidate_pixel_data(). Otherwise, the texture won't be re-uploaded // on subsequent frames. - void set_pixel_data(unsigned channel, const unsigned char *pixel_data) + // + // The data can either be a regular pointer (if pbo==0), or a byte offset + // into a PBO. The latter will allow you to start uploading the texture data + // asynchronously to the GPU, if you have any CPU-intensive work between the + // call to set_pixel_data() and the actual rendering. In either case, + // the pointer (and PBO, if set) has to be valid at the time of the render call. + void set_pixel_data(unsigned channel, const unsigned char *pixel_data, GLuint pbo = 0) { assert(channel >= 0 && channel < 3); this->pixel_data[channel] = pixel_data; + this->pbos[channel] = pbo; invalidate_pixel_data(); } - void invalidate_pixel_data() - { - needs_update = true; - } + void invalidate_pixel_data(); void set_pitch(unsigned channel, unsigned pitch) { assert(channel >= 0 && channel < 3); - if (this->pitch[channel] != pitch) { - this->pitch[channel] = pitch; - needs_pbo_recreate = true; - } + this->pitch[channel] = pitch; + invalidate_pixel_data(); + } + + virtual void inform_added(EffectChain *chain) + { + resource_pool = chain->get_resource_pool(); } private: ImageFormat image_format; YCbCrFormat ycbcr_format; GLuint pbos[3], texture_num[3]; - bool needs_update, needs_pbo_recreate, finalized; int needs_mipmaps; unsigned width, height, widths[3], heights[3]; const unsigned char *pixel_data[3]; unsigned pitch[3]; + ResourcePool *resource_pool; }; +} // namespace movit + #endif // !defined(_MOVIT_YCBCR_INPUT_H)