2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
#pragma once
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#include <mln/shaders/shader_source.hpp>
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#include <mln/shaders/vulkan/shader_program.hpp>
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namespace mln {
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namespace shaders {
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constexpr auto locationIndicatorShaderPrelude = R"(#define idLocationIndicatorDrawableUBO drawableUBOStartId)";
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template <>
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struct ShaderSource<BuiltIn::LocationIndicatorShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "LocationIndicatorShader";
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static const std::array<AttributeInfo, 1> attributes;
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static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
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static const std::array<TextureInfo, 0> textures;
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static constexpr auto prelude = locationIndicatorShaderPrelude;
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static constexpr auto vertex = R"(
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layout(location = 0) in vec2 in_position;
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layout(set = DRAWABLE_UBO_SET_INDEX, binding = idLocationIndicatorDrawableUBO) uniform LocationIndicatorDrawableUBO {
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mat4 matrix;
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vec4 color;
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} drawable;
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void main() {
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gl_Position = drawable.matrix * vec4(in_position, 0, 1);
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applySurfaceTransform();
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}
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)";
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static constexpr auto fragment = R"(
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layout(location = 0) out vec4 out_color;
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layout(set = DRAWABLE_UBO_SET_INDEX, binding = idLocationIndicatorDrawableUBO) uniform LocationIndicatorDrawableUBO {
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mat4 matrix;
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vec4 color;
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} drawable;
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void main() {
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out_color = drawable.color;
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}
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)";
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};
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template <>
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struct ShaderSource<BuiltIn::LocationIndicatorTexturedShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "LocationIndicatorTexturedShader";
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static const std::array<AttributeInfo, 2> attributes;
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static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
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static const std::array<TextureInfo, 1> textures;
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static constexpr auto prelude = locationIndicatorShaderPrelude;
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static constexpr auto vertex = R"(
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layout(location = 0) in vec2 in_position;
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layout(location = 1) in vec2 in_texcoord;
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layout(set = DRAWABLE_UBO_SET_INDEX, binding = idLocationIndicatorDrawableUBO) uniform LocationIndicatorDrawableUBO {
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mat4 matrix;
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vec4 color;
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} drawable;
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layout(location = 0) out vec2 frag_uv;
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void main() {
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gl_Position = drawable.matrix * vec4(in_position, 0, 1);
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applySurfaceTransform();
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frag_uv = in_texcoord;
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}
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)";
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static constexpr auto fragment = R"(
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layout(location = 0) in vec2 frag_uv;
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layout(location = 0) out vec4 out_color;
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layout(set = DRAWABLE_IMAGE_SET_INDEX, binding = 0) uniform sampler2D image_sampler;
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void main() {
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// using lod bias variant for sampling as a workaround for Adreno 600 series
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out_color = texture(image_sampler, frag_uv, 0.0);
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// working alternatives
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//out_color = textureGrad(image_sampler, frag_uv, dFdx(frag_uv), dFdy(frag_uv));
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//out_color = texelFetch(image_sampler, ivec2(frag_uv * vec2(textureSize(image_sampler, 0))), 0);
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}
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)";
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};
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} // namespace shaders
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} // namespace mln
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