e69762b8dd
Compilation constants are constants defined in the create info. They cannot be changed after the shader is created. It is a replacement to macros with added type safety. Reuse most of the logic from Specialization constants. Pull Request: https://projects.blender.org/blender/blender/pulls/139703
47 lines
1023 B
GLSL
47 lines
1023 B
GLSL
/* SPDX-FileCopyrightText: 2018-2022 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/**
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* Simple shader that just draw one icon at the specified location
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* does not need any vertex input (producing less call to immBegin/End)
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*/
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#include "infos/gpu_shader_icon_info.hh"
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VERTEX_SHADER_CREATE_INFO(gpu_shader_icon)
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void main()
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{
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float2 uv;
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float2 co;
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if (gl_VertexID == 0) {
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co = rect_geom.xw;
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uv = rect_icon.xw;
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mask_coord_interp = float2(0, 1);
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}
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else if (gl_VertexID == 1) {
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co = rect_geom.xy;
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uv = rect_icon.xy;
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mask_coord_interp = float2(0, 0);
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}
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else if (gl_VertexID == 2) {
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co = rect_geom.zw;
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uv = rect_icon.zw;
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mask_coord_interp = float2(1, 1);
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}
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else {
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co = rect_geom.zy;
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uv = rect_icon.zy;
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mask_coord_interp = float2(1, 0);
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}
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/* Put origin in lower right corner. */
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mask_coord_interp.x -= 1;
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gl_Position = ModelViewProjectionMatrix * float4(co, 0.0f, 1.0f);
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texCoord_interp = uv;
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final_color = finalColor;
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}
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