test/source/blender/gpu/shaders/material/gpu_shader_material_camera.glsl

/* SPDX-FileCopyrightText: 2019-2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

#pragma BLENDER_REQUIRE(gpu_shader_material_transform_utils.glsl)

void camera(out vec3 outview, out float outdepth, out float outdist)
{
  vec3 vP;
  point_transform_world_to_view(g_data.P, vP);
  vP.z = -vP.z;
  outdepth = abs(vP.z);
  outdist = length(vP);
  outview = normalize(vP);
}
License headers: add SPDX licenses for '.glsl' files When GLSL sources were first included in Blender they were treated as data (like blend files) and had no license header. Since then GLSL has been used for more sophisticated features (EEVEE & real-time compositing) where it makes sense to include licensing information. Add SPDX copyright headers to .glsl files, matching headers used for C/C++, also include GLSL files in the license checking script. As leading C-comments are now stripped, added binary size of comments is no longer a concern. Ref !111247 2023-08-24 10:54:59 +10:00			`/* SPDX-FileCopyrightText: 2019-2022 Blender Authors`
			`*`
			`* SPDX-License-Identifier: GPL-2.0-or-later */`

EEVEE-Next: Remove common lib usage Replaces all usage by the the gpu_shader_math equivalent. This is because the old shader library was quite tangled. This avoids dependency hell trying to mix libraries. Changes are split into isolated commits until I had to do mass changes because of inter- dependencies. Pull Request: https://projects.blender.org/blender/blender/pulls/113631 2023-10-13 17:59:46 +02:00			`#pragma BLENDER_REQUIRE(gpu_shader_material_transform_utils.glsl)`

GPU: Make nodetree GLSL Codegen render engine agnostic This commit removes all EEVEE specific code from the `gpu_shader_material*.glsl` files. It defines a clear interface to evaluate the closure nodes leaving more flexibility to the render engine. Some of the long standing workaround are fixed: - bump mapping support is no longer duplicating a lot of node and is instead compiled into a function call. - bump rewiring to Normal socket is no longer needed as we now use a global `g_data.N` for that. Closure sampling with upstread weight eval is now supported if the engine needs it. This also makes all the material GLSL sources use `GPUSource` for better debugging experience. The `GPUFunction` parsing now happens in `GPUSource` creation. The whole `GPUCodegen` now uses the `ShaderCreateInfo` and is object type agnostic. Is has also been rewritten in C++. This patch changes a view behavior for EEVEE: - Mix shader node factor imput is now clamped. - Tangent Vector displacement behavior is now matching cycles. - The chosen BSDF used for SSR might change. - Hair shading may have very small changes on very large hairs when using hair polygon stripes. - ShaderToRGB node will remove any SSR and SSS form a shader. - SSS radius input now is no longer a scaling factor but defines an average radius. The SSS kernel "shape" (radii) are still defined by the socket default values. Appart from the listed changes no other regressions are expected. 2022-04-14 18:47:58 +02:00			`void camera(out vec3 outview, out float outdepth, out float outdist)`
GPU: Split gpu_shader_material into multiple files. This patch continue the efforts to split the `gpu_shader_material` file started in D5569. Dependency resolution is now recursive. Each shading node gets its own file. Additionally, some utility files are added to be shared between files, like `math_util`, `color_util`, and `hash`. Some files are always included because they may be used in the execution function, like `world_normals`. Some glsl functions appeared to be unused, so they were removed, like `output_node`, `bits_to_01`, and `exp_blender`. Other functions have been renamed to be more general and get used as utils, like `texco_norm` which became `vector_normalize`. A lot of the opengl tests fails, but those same tests also fail in master, so this is probably unrelated to this patch. Reviewers: brecht Differential Revision: https://developer.blender.org/D5616 2019-08-30 17:23:04 +02:00			`{`
EEVEE-Next: Remove common lib usage Replaces all usage by the the gpu_shader_math equivalent. This is because the old shader library was quite tangled. This avoids dependency hell trying to mix libraries. Changes are split into isolated commits until I had to do mass changes because of inter- dependencies. Pull Request: https://projects.blender.org/blender/blender/pulls/113631 2023-10-13 17:59:46 +02:00			`vec3 vP;`
			`point_transform_world_to_view(g_data.P, vP);`
Fix T98647: EEVEE: Camera Data Node's View Vector Broken Fix regression and remove duplicated computation. 2022-06-07 18:14:16 +02:00			`vP.z = -vP.z;`
			`outdepth = abs(vP.z);`
			`outdist = length(vP);`
			`outview = normalize(vP);`
GPU: Split gpu_shader_material into multiple files. This patch continue the efforts to split the `gpu_shader_material` file started in D5569. Dependency resolution is now recursive. Each shading node gets its own file. Additionally, some utility files are added to be shared between files, like `math_util`, `color_util`, and `hash`. Some files are always included because they may be used in the execution function, like `world_normals`. Some glsl functions appeared to be unused, so they were removed, like `output_node`, `bits_to_01`, and `exp_blender`. Other functions have been renamed to be more general and get used as utils, like `texco_norm` which became `vector_normalize`. A lot of the opengl tests fails, but those same tests also fail in master, so this is probably unrelated to this patch. Reviewers: brecht Differential Revision: https://developer.blender.org/D5616 2019-08-30 17:23:04 +02:00			`}`