X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect_chain.h;h=1be98916d9ccd6952580aef165488c55cecc7588;hp=2b959bda68bfc2f5502f743c9ccb9435e79f9794;hb=ddbe6136a25fddc14c7b70c9d76857313b8f9957;hpb=86cdfc6ea4318cfe6fd5d4bef51daf00f480973a diff --git a/effect_chain.h b/effect_chain.h index 2b959bd..1be9891 100644 --- a/effect_chain.h +++ b/effect_chain.h @@ -21,14 +21,17 @@ // See corresponding comment in resource_pool.h. This holds even if you don't // allocate your own ResourcePool, but let EffectChain hold its own. -#include +#include #include #include #include #include #include +#include +#include "effect.h" #include "image_format.h" +#include "ycbcr.h" namespace movit { @@ -62,6 +65,10 @@ public: std::vector outgoing_links; std::vector incoming_links; + // For unit tests only. Do not use from other code. + // Will contain an arbitrary choice if the node is in multiple phases. + Phase *containing_phase; + private: // Logical size of the output of this effect, ie. the resolution // you would get if you sampled it as a texture. If it is undefined @@ -83,6 +90,11 @@ private: Colorspace output_color_space; GammaCurve output_gamma_curve; AlphaType output_alpha_type; + bool needs_mipmaps; // Directly or indirectly. + + // Set if this effect, and all effects consuming output from this node + // (in the same phase) have one_to_one_sampling() set. + bool one_to_one_sampling; friend class EffectChain; }; @@ -97,12 +109,31 @@ struct Phase { // Inputs are only inputs from other phases (ie., those that come from RTT); // input textures are counted as part of . std::vector inputs; + // Bound sampler numbers for each input. Redundant in a sense + // (it always corresponds to the index), but we need somewhere + // to hold the value for the uniform. + std::vector input_samplers; std::vector effects; // In order. unsigned output_width, output_height, virtual_output_width, virtual_output_height; // Identifier used to create unique variables in GLSL. // Unique per-phase to increase cacheability of compiled shaders. std::map effect_ids; + + // Uniforms for this phase; combined from all the effects. + std::vector > uniforms_sampler2d; + std::vector > uniforms_bool; + std::vector > uniforms_int; + std::vector > uniforms_float; + std::vector > uniforms_vec2; + std::vector > uniforms_vec3; + std::vector > uniforms_vec4; + std::vector > uniforms_mat3; + + // For measurement of GPU time used. + GLuint timer_query_object; + uint64_t time_elapsed_ns; + uint64_t num_measured_iterations; }; class EffectChain { @@ -148,8 +179,15 @@ public: } Effect *add_effect(Effect *effect, const std::vector &inputs); + // Adds an RGB output. Note that you can only have one output. void add_output(const ImageFormat &format, OutputAlphaFormat alpha_format); + // Adds an YCbCr output. Note that you can only have one output. + // Currently, only chunked packed output is supported, and only 4:4:4 + // (so chroma_subsampling_x and chroma_subsampling_y must both be 1). + void add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, + const YCbCrFormat &ycbcr_format); + // Set number of output bits, to scale the dither. // 8 is the right value for most outputs. // The default, 0, is a special value that means no dither. @@ -160,6 +198,14 @@ public: void finalize(); + // Measure the GPU time used for each actual phase during rendering. + // Note that this is only available if GL_ARB_timer_query + // (or, equivalently, OpenGL 3.3) is available. Also note that measurement + // will incur a performance cost, as we wait for the measurements to + // complete at the end of rendering. + void enable_phase_timing(bool enable); + void reset_phase_timing(); + void print_phase_timing(); //void render(unsigned char *src, unsigned char *dst); void render_to_screen() @@ -235,9 +281,11 @@ private: // Execute one phase, ie. set up all inputs, effects and outputs, and render the quad. void execute_phase(Phase *phase, bool last_phase, std::map *output_textures, std::set *generated_mipmaps); - // Set up the given sampler number for sampling from an RTT texture, - // and bind it to "tex_" plus the given GLSL variable. - void setup_rtt_sampler(GLuint glsl_program_num, int sampler_num, const std::string &effect_id, bool use_mipmaps); + // Set up uniforms for one phase. The program must already be bound. + void setup_uniforms(Phase *phase); + + // Set up the given sampler number for sampling from an RTT texture. + void setup_rtt_sampler(int sampler_num, bool use_mipmaps); // Output the current graph to the given file in a Graphviz-compatible format; // only useful for debugging. @@ -281,12 +329,17 @@ private: void fix_internal_gamma_by_asking_inputs(unsigned step); void fix_internal_gamma_by_inserting_nodes(unsigned step); void fix_output_gamma(); + void add_ycbcr_conversion_if_needed(); void add_dither_if_needed(); float aspect_nom, aspect_denom; ImageFormat output_format; OutputAlphaFormat output_alpha_format; + enum OutputColorType { OUTPUT_COLOR_RGB, OUTPUT_COLOR_YCBCR }; + OutputColorType output_color_type; + YCbCrFormat output_ycbcr_format; // If output_color_type == OUTPUT_COLOR_YCBCR. + std::vector nodes; std::map node_map; Effect *dither_effect; @@ -299,6 +352,8 @@ private: ResourcePool *resource_pool; bool owns_resource_pool; + + bool do_phase_timing; }; } // namespace movit