From 237857cc265e9ffbf2b0e438ab5ff408910dfffe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= <foucault.clem@gmail.com>
Date: Sat, 30 Apr 2022 16:04:20 +0200
Subject: Overlay: Port volume shaders to use shaderCreateInfo

This should have no functional changes.
---
 .../engines/overlay/shaders/infos/volume_info.hh   | 93 ++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 source/blender/draw/engines/overlay/shaders/infos/volume_info.hh

(limited to 'source/blender/draw/engines/overlay/shaders/infos')

diff --git a/source/blender/draw/engines/overlay/shaders/infos/volume_info.hh b/source/blender/draw/engines/overlay/shaders/infos/volume_info.hh
new file mode 100644
index 00000000000..713c8c2dc4b
--- /dev/null
+++ b/source/blender/draw/engines/overlay/shaders/infos/volume_info.hh
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "gpu_shader_create_info.hh"
+
+/* -------------------------------------------------------------------- */
+/** \name Volume Velocity
+ * \{ */
+
+GPU_SHADER_INTERFACE_INFO(overlay_volume_velocity_iface, "").smooth(Type::VEC4, "finalColor");
+
+GPU_SHADER_CREATE_INFO(overlay_volume_velocity)
+    .do_static_compilation(true)
+    /* Colors are already in linear space. */
+    .define("srgbTarget", "false")
+    .sampler(0, ImageType::FLOAT_3D, "velocityX")
+    .sampler(1, ImageType::FLOAT_3D, "velocityY")
+    .sampler(2, ImageType::FLOAT_3D, "velocityZ")
+    .push_constant(Type::FLOAT, "displaySize")
+    .push_constant(Type::FLOAT, "slicePosition")
+    .push_constant(Type::INT, "sliceAxis")
+    .push_constant(Type::BOOL, "scaleWithMagnitude")
+    .push_constant(Type::BOOL, "isCellCentered")
+    /* FluidDomainSettings.cell_size */
+    .push_constant(Type::VEC3, "cellSize")
+    /* FluidDomainSettings.p0 */
+    .push_constant(Type::VEC3, "domainOriginOffset")
+    /* FluidDomainSettings.res_min */
+    .push_constant(Type::IVEC3, "adaptiveCellOffset")
+    .vertex_out(overlay_volume_velocity_iface)
+    .fragment_out(0, Type::VEC4, "fragColor")
+    .vertex_source("volume_velocity_vert.glsl")
+    .fragment_source("gpu_shader_3D_smooth_color_frag.glsl")
+    .additional_info("draw_volume");
+
+GPU_SHADER_CREATE_INFO(overlay_volume_velocity_mac)
+    .do_static_compilation(true)
+    .define("USE_MAC")
+    .push_constant(Type::BOOL, "drawMACX")
+    .push_constant(Type::BOOL, "drawMACY")
+    .push_constant(Type::BOOL, "drawMACZ")
+    .additional_info("overlay_volume_velocity");
+
+GPU_SHADER_CREATE_INFO(overlay_volume_velocity_needle)
+    .do_static_compilation(true)
+    .define("USE_NEEDLE")
+    .additional_info("overlay_volume_velocity");
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Volume Gridlines
+ * \{ */
+
+GPU_SHADER_INTERFACE_INFO(overlay_volume_gridlines_iface, "").flat(Type::VEC4, "finalColor");
+
+GPU_SHADER_CREATE_INFO(overlay_volume_gridlines)
+    .do_static_compilation(true)
+    /* Colors are already in linear space. */
+    .define("srgbTarget", "false")
+    .push_constant(Type::FLOAT, "slicePosition")
+    .push_constant(Type::INT, "sliceAxis")
+    /* FluidDomainSettings.res */
+    .push_constant(Type::IVEC3, "volumeSize")
+    /* FluidDomainSettings.cell_size */
+    .push_constant(Type::VEC3, "cellSize")
+    /* FluidDomainSettings.p0 */
+    .push_constant(Type::VEC3, "domainOriginOffset")
+    /* FluidDomainSettings.res_min */
+    .push_constant(Type::IVEC3, "adaptiveCellOffset")
+    .vertex_out(overlay_volume_gridlines_iface)
+    .fragment_out(0, Type::VEC4, "fragColor")
+    .vertex_source("volume_gridlines_vert.glsl")
+    .fragment_source("gpu_shader_flat_color_frag.glsl")
+    .additional_info("draw_volume");
+
+GPU_SHADER_CREATE_INFO(overlay_volume_gridlines_flags)
+    .do_static_compilation(true)
+    .define("SHOW_FLAGS")
+    .sampler(0, ImageType::UINT_3D, "flagTexture")
+    .additional_info("overlay_volume_gridlines");
+
+GPU_SHADER_CREATE_INFO(overlay_volume_gridlines_range)
+    .do_static_compilation(true)
+    .define("SHOW_RANGE")
+    .push_constant(Type::FLOAT, "lowerBound")
+    .push_constant(Type::FLOAT, "upperBound")
+    .push_constant(Type::VEC4, "rangeColor")
+    .push_constant(Type::INT, "cellFilter")
+    .sampler(0, ImageType::UINT_3D, "flagTexture")
+    .sampler(1, ImageType::FLOAT_3D, "fieldTexture")
+    .additional_info("overlay_volume_gridlines");
+
+/** \} */
-- 
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