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#include "gpu_shader_create_info.hh"
/* -------------------------------------------------------------------- */
/** \name Volume shader base
* \{ */
GPU_SHADER_CREATE_INFO(workbench_volume)
.vertex_in(0, Type::VEC3, "pos")
.fragment_out(0, Type::VEC4, "fragColor")
.sampler(0, ImageType::DEPTH_2D, "depthBuffer")
.sampler(1, ImageType::FLOAT_3D, "densityTexture")
.push_constant(Type::INT, "samplesLen")
.push_constant(Type::FLOAT, "noiseOfs")
.push_constant(Type::FLOAT, "stepLength")
.push_constant(Type::FLOAT, "densityScale")
.vertex_source("workbench_volume_vert.glsl")
.fragment_source("workbench_volume_frag.glsl")
.additional_info("draw_object_infos");
/** \} */
/* -------------------------------------------------------------------- */
/** \name Smoke variation
* \{ */
GPU_SHADER_CREATE_INFO(workbench_volume_smoke)
.define("VOLUME_SMOKE")
.sampler(2, ImageType::FLOAT_3D, "flameTexture")
.sampler(3, ImageType::FLOAT_1D, "flameColorTexture")
.additional_info("draw_mesh", "draw_resource_id_varying");
GPU_SHADER_CREATE_INFO(workbench_volume_object)
.define("VOLUME_OBJECT")
.push_constant(Type::MAT4, "volumeTextureToObject")
/* FIXME(fclem): This overflow the push_constant limit. */
.push_constant(Type::MAT4, "volumeObjectToTexture")
.additional_info("draw_volume", "draw_resource_id_varying");
/** \} */
/* -------------------------------------------------------------------- */
/** \name Color Band variation
* \{ */
GPU_SHADER_CREATE_INFO(workbench_volume_coba)
.define("USE_COBA")
.sampler(4, ImageType::UINT_3D, "flagTexture")
.sampler(5, ImageType::FLOAT_1D, "transferTexture")
.push_constant(Type::BOOL, "showPhi")
.push_constant(Type::BOOL, "showFlags")
.push_constant(Type::BOOL, "showPressure")
.push_constant(Type::FLOAT, "gridScale");
GPU_SHADER_CREATE_INFO(workbench_volume_no_coba)
.sampler(4, ImageType::FLOAT_3D, "shadowTexture")
.sampler(5, ImageType::UINT_2D, "transferTexture")
.push_constant(Type::VEC3, "activeColor");
/** \} */
/* -------------------------------------------------------------------- */
/** \name Sampling variation
* \{ */
GPU_SHADER_CREATE_INFO(workbench_volume_linear).define("USE_TRILINEAR");
GPU_SHADER_CREATE_INFO(workbench_volume_cubic).define("USE_TRICUBIC");
GPU_SHADER_CREATE_INFO(workbench_volume_closest).define("USE_CLOSEST");
/** \} */
/* -------------------------------------------------------------------- */
/** \name Slice variation
* \{ */
GPU_SHADER_INTERFACE_INFO(workbench_volume_iface, "").smooth(Type::VEC3, "localPos");
GPU_SHADER_CREATE_INFO(workbench_volume_slice)
.define("VOLUME_SLICE")
.vertex_in(1, Type::VEC3, "uvs")
.vertex_out(workbench_volume_iface)
.push_constant(Type::INT, "sliceAxis") /* -1 is no slice. */
.push_constant(Type::FLOAT, "slicePosition");
/** \} */
/* -------------------------------------------------------------------- */
/** \name Variations Declaration
* \{ */
#define WORKBENCH_VOLUME_SLICE_VARIATIONS(prefix, ...) \
GPU_SHADER_CREATE_INFO(prefix##_slice) \
.additional_info("workbench_volume_slice", __VA_ARGS__) \
.do_static_compilation(true); \
GPU_SHADER_CREATE_INFO(prefix##_no_slice) \
.additional_info(__VA_ARGS__) \
.do_static_compilation(true);
#define WORKBENCH_VOLUME_COBA_VARIATIONS(prefix, ...) \
WORKBENCH_VOLUME_SLICE_VARIATIONS(prefix##_coba, "workbench_volume_coba", __VA_ARGS__) \
WORKBENCH_VOLUME_SLICE_VARIATIONS(prefix##_no_coba, "workbench_volume_no_coba", __VA_ARGS__)
#define WORKBENCH_VOLUME_INTERP_VARIATIONS(prefix, ...) \
WORKBENCH_VOLUME_COBA_VARIATIONS(prefix##_linear, "workbench_volume_linear", __VA_ARGS__) \
WORKBENCH_VOLUME_COBA_VARIATIONS(prefix##_cubic, "workbench_volume_cubic", __VA_ARGS__) \
WORKBENCH_VOLUME_COBA_VARIATIONS(prefix##_closest, "workbench_volume_closest", __VA_ARGS__)
#define WORKBENCH_VOLUME_SMOKE_VARIATIONS(prefix, ...) \
WORKBENCH_VOLUME_INTERP_VARIATIONS(prefix##_smoke, "workbench_volume_smoke", __VA_ARGS__) \
WORKBENCH_VOLUME_INTERP_VARIATIONS(prefix##_object, "workbench_volume_object", __VA_ARGS__)
WORKBENCH_VOLUME_SMOKE_VARIATIONS(workbench_volume, "workbench_volume")
/** \} */
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