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Vulkan-Samples/shaders/constant_data/ubo.frag
T
2025-09-04 10:54:47 +08:00

82 lines
2.2 KiB
GLSL

#version 320 es
/* Copyright (c) 2019-2025, Arm Limited and Contributors
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 the "License";
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define MAX_LIGHT_COUNT 8
precision highp float;
layout(set = 0, binding = 0) uniform sampler2D base_color_texture;
layout(location = 0) in vec4 in_pos;
layout(location = 1) in vec2 in_uv;
layout(location = 2) in vec3 in_normal;
layout(location = 0) out vec4 o_color;
layout(set = 0, binding = 1) uniform MVPUniform
{
mat4 model;
mat4 view_proj;
mat4 scale;
mat4 padding;
} mvp_uniform;
#include "lighting.h"
layout(set = 0, binding = 4) uniform LightsInfo
{
Light directional_lights[MAX_LIGHT_COUNT];
Light point_lights[MAX_LIGHT_COUNT];
Light spot_lights[MAX_LIGHT_COUNT];
}
lights_info;
layout(constant_id = 0) const uint DIRECTIONAL_LIGHT_COUNT = 0U;
layout(constant_id = 1) const uint POINT_LIGHT_COUNT = 0U;
layout(constant_id = 2) const uint SPOT_LIGHT_COUNT = 0U;
void main(void)
{
vec3 normal = normalize(in_normal);
vec3 light_contribution = vec3(0.0);
for (uint i = 0U; i < DIRECTIONAL_LIGHT_COUNT; ++i)
{
light_contribution += apply_directional_light(lights_info.directional_lights[i], normal);
}
for (uint i = 0U; i < POINT_LIGHT_COUNT; ++i)
{
light_contribution += apply_point_light(lights_info.point_lights[i], in_pos.xyz, normal);
}
for (uint i = 0U; i < SPOT_LIGHT_COUNT; ++i)
{
light_contribution += apply_spot_light(lights_info.spot_lights[i], in_pos.xyz, normal);
}
vec4 base_color = vec4(1.0, 0.0, 0.0, 1.0);
base_color = texture(base_color_texture, in_uv);
vec3 ambient_color = vec3(0.2) * base_color.xyz;
o_color = vec4(ambient_color + light_contribution * base_color.xyz, base_color.w);
}