73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
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#ifndef HALIDE_HALIDERUNTIMEOPENGLCOMPUTE_H
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#define HALIDE_HALIDERUNTIMEOPENGLCOMPUTE_H
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// Don't include HalideRuntime.h if the contents of it were already pasted into a generated header above this one
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#ifndef HALIDE_HALIDERUNTIME_H
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#include "HalideRuntime.h"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \file
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* Routines specific to the Halide OpenGL Compute runtime.
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*/
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#define HALIDE_RUNTIME_OPENGLCOMPUTE
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extern const struct halide_device_interface_t *halide_openglcompute_device_interface();
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/** These are forward declared here to allow clients to override the
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* Halide Glsl runtime. Do not call them. */
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// @{
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/** This function sets up OpenGL context, loads relevant GL functions, then
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* compiles src OpenGL compute shader into OpenGL program and stores it for future use.
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*/
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extern int halide_openglcompute_initialize_kernels(void *user_context, void **state_ptr,
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const char *src, int size);
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/** This function triggers execution of OpenGL program built around compute shader.
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* Execution of the shader is parallelized into given number of blocks and threads.
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*
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* This function doesn't wait for the completion of the shader, but it sets memory
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* barrier which forces successive retrieval of output data to wait until shader is done.
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*/
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extern int halide_openglcompute_run(void *user_context,
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void *state_ptr,
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const char *entry_name,
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int blocksX, int blocksY, int blocksZ,
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int threadsX, int threadsY, int threadsZ,
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int shared_mem_bytes,
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struct halide_type_t arg_types[],
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void *args[],
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int8_t is_buffer[],
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int num_attributes,
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float *vertex_buffer,
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int num_coords_dim0,
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int num_coords_dim1);
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// @}
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/** This function retrieves pointers to OpenGL API functions.
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*
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* You may have to implement this yourself. Halide only provides implementations
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* for some platforms."
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*/
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void *halide_opengl_get_proc_address(void *user_context, const char *name);
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/** This function creates an OpenGL context for use by the OpenGL backend.
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*
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* You may have to implement this yourself as well. Halide only provides
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* implementations for some platforms."
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*/
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int halide_opengl_create_context(void *user_context);
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#ifdef __cplusplus
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} // End extern "C"
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#endif
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#endif // HALIDE_HALIDERUNTIMEOPENGLCOMPUTE_H
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