X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=chroma_subsampler.h;h=8e9ff4e0116c0ad31b9d317e92fd6121eb4bfc1a;hb=d3e48df512d9476d3849227067792a3537bb094e;hp=1bed433cc5863cefc919da6980a921b3b2407f55;hpb=336009fd7baf47b4ad71adf8d7ead8a526045788;p=nageru diff --git a/chroma_subsampler.h b/chroma_subsampler.h index 1bed433..8e9ff4e 100644 --- a/chroma_subsampler.h +++ b/chroma_subsampler.h @@ -27,6 +27,14 @@ public: // width and height are the dimensions (in pixels) of the input textures. void create_uyvy(GLuint y_tex, GLuint cbcr_tex, unsigned width, unsigned height, GLuint dst_tex); + // Subsamples and interleaves luma and chroma to give 10-bit 4:2:2 + // packed Y'CbCr (v210); see v210converter.h for more information on + // the format. Luma and chroma are assumed to be 10-bit data packed + // into 16-bit textures. Chroma positioning is left (H.264 convention). + // width and height are the dimensions (in pixels) of the input textures; + // Requires compute shaders; check v210Converter::has_hardware_support(). + void create_v210(GLuint y_tex, GLuint cbcr_tex, unsigned width, unsigned height, GLuint dst_tex); + private: movit::ResourcePool *resource_pool; @@ -34,11 +42,18 @@ private: GLuint cbcr_program_num; // Owned by . GLuint cbcr_texture_sampler_uniform; - GLuint cbcr_position_attribute_index, cbcr_texcoord_attribute_index; + GLint cbcr_position_attribute_index, cbcr_texcoord_attribute_index; + GLuint cbcr_chroma_offset_0_location, cbcr_chroma_offset_1_location; GLuint uyvy_program_num; // Owned by . GLuint uyvy_y_texture_sampler_uniform, uyvy_cbcr_texture_sampler_uniform; - GLuint uyvy_position_attribute_index, uyvy_texcoord_attribute_index; + GLint uyvy_position_attribute_index, uyvy_texcoord_attribute_index; + GLuint uyvy_luma_offset_0_location, uyvy_luma_offset_1_location; + GLuint uyvy_chroma_offset_0_location, uyvy_chroma_offset_1_location; + + GLuint v210_program_num; // Compute shader, so owned by ourselves. Can be 0. + GLuint v210_in_y_pos, v210_in_cbcr_pos, v210_outbuf_pos; + GLuint v210_inv_width_pos, v210_inv_height_pos; }; #endif // !defined(_CHROMA_SUBSAMPLER_H)