9cfc7967dd
* Replace license text in headers with SPDX identifiers. * Remove specific license info from outdated readme.txt, instead leave details to the source files. * Add list of SPDX license identifiers used, and corresponding license texts. * Update copyright dates while we're at it. Ref D14069, T95597
70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/* SPDX-License-Identifier: Apache-2.0
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* Copyright 2011-2022 Blender Foundation */
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#ifndef __OSL_SHADER_H__
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#define __OSL_SHADER_H__
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#ifdef WITH_OSL
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/* OSL Shader Engine
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*
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* Holds all variables to execute and use OSL shaders from the kernel. These
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* are initialized externally by OSLShaderManager before rendering starts.
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*
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* Before/after a thread starts rendering, thread_init/thread_free must be
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* called, which will store any per thread OSL state in thread local storage.
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* This means no thread state must be passed along in the kernel itself.
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*/
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# include "kernel/types.h"
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CCL_NAMESPACE_BEGIN
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class Scene;
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struct ShaderClosure;
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struct ShaderData;
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struct IntegratorStateCPU;
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struct differential3;
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struct KernelGlobalsCPU;
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struct OSLGlobals;
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struct OSLShadingSystem;
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class OSLShader {
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public:
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/* init */
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static void register_closures(OSLShadingSystem *ss);
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/* per thread data */
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static void thread_init(KernelGlobalsCPU *kg, OSLGlobals *osl_globals);
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static void thread_free(KernelGlobalsCPU *kg);
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/* eval */
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static void eval_surface(const KernelGlobalsCPU *kg,
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const void *state,
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ShaderData *sd,
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uint32_t path_flag);
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static void eval_background(const KernelGlobalsCPU *kg,
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const void *state,
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ShaderData *sd,
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uint32_t path_flag);
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static void eval_volume(const KernelGlobalsCPU *kg,
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const void *state,
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ShaderData *sd,
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uint32_t path_flag);
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static void eval_displacement(const KernelGlobalsCPU *kg, const void *state, ShaderData *sd);
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/* attributes */
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static int find_attribute(const KernelGlobalsCPU *kg,
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const ShaderData *sd,
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uint id,
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AttributeDescriptor *desc);
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};
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CCL_NAMESPACE_END
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#endif
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#endif /* __OSL_SHADER_H__ */
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