153 lines
4.1 KiB
C++
153 lines
4.1 KiB
C++
#pragma once
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#include <mbgl/shaders/shader_source.hpp>
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#include <mbgl/shaders/vulkan/shader_program.hpp>
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namespace mbgl {
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namespace shaders {
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template <>
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struct ShaderSource<BuiltIn::BackgroundShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "BackgroundShader";
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static const std::array<UniformBlockInfo, 2> uniforms;
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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 constexpr std::array<TextureInfo, 0> textures{};
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static constexpr auto vertex = R"(
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layout(location = 0) in ivec2 in_position;
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layout(set = 0, binding = 1) uniform BackgroundDrawableUBO {
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mat4 matrix;
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} drawable;
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void main() {
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gl_Position = drawable.matrix * vec4(in_position, 0.0, 1.0);
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gl_Position.y *= -1.0;
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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 = 0, binding = 2) uniform BackgroundLayerUBO {
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vec4 color;
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float opacity;
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float pad1, pad2, pad3;
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} layer;
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void main() {
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#if defined(OVERDRAW_INSPECTOR)
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out_color = vec4(1.0);
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return;
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#endif
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out_color = layer.color * layer.opacity;
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}
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)";
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};
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template <>
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struct ShaderSource<BuiltIn::BackgroundPatternShader, gfx::Backend::Type::Vulkan> {
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static constexpr const char* name = "BackgroundPatternShader";
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static const std::array<UniformBlockInfo, 3> uniforms;
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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, 1> textures;
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static constexpr auto vertex = R"(
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layout(location = 0) in ivec2 in_position;
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layout(set = 0, binding = 1) uniform BackgroundPatternDrawableUBO {
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mat4 matrix;
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vec2 pixel_coord_upper;
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vec2 pixel_coord_lower;
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float tile_units_to_pixels;
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float pad1, pad2, pad3;
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} drawable;
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layout(set = 0, binding = 2) uniform BackgroundPatternLayerUBO {
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vec2 pattern_tl_a;
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vec2 pattern_br_a;
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vec2 pattern_tl_b;
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vec2 pattern_br_b;
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vec2 pattern_size_a;
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vec2 pattern_size_b;
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float scale_a;
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float scale_b;
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float mix;
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float opacity;
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} layer;
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layout(location = 0) out vec2 frag_pos_a;
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layout(location = 1) out vec2 frag_pos_b;
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void main() {
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frag_pos_a = get_pattern_pos(drawable.pixel_coord_upper,
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drawable.pixel_coord_lower,
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layer.scale_a * layer.pattern_size_a,
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drawable.tile_units_to_pixels,
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in_position);
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frag_pos_b = get_pattern_pos(drawable.pixel_coord_upper,
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drawable.pixel_coord_lower,
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layer.scale_b * layer.pattern_size_b,
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drawable.tile_units_to_pixels,
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in_position);
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gl_Position = drawable.matrix * vec4(in_position, 0.0, 1.0);
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gl_Position.y *= -1.0;
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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_pos_a;
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layout(location = 1) in vec2 frag_pos_b;
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layout(location = 0) out vec4 out_color;
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layout(set = 0, binding = 2) uniform BackgroundPatternLayerUBO {
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vec2 pattern_tl_a;
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vec2 pattern_br_a;
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vec2 pattern_tl_b;
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vec2 pattern_br_b;
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vec2 pattern_size_a;
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vec2 pattern_size_b;
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float scale_a;
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float scale_b;
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float mix;
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float opacity;
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} layer;
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layout(set = 1, binding = 0) uniform sampler2D image_sampler;
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void main() {
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#if defined(OVERDRAW_INSPECTOR)
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out_color = vec4(1.0);
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return;
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#endif
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const vec2 texsize = global.pattern_atlas_texsize;
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const vec2 imagecoord = mod(frag_pos_a, 1.0);
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const vec2 pos = mix(layer.pattern_tl_a / texsize, layer.pattern_br_a / texsize, imagecoord);
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const vec4 color1 = texture(image_sampler, pos);
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const vec2 imagecoord_b = mod(frag_pos_b, 1.0);
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const vec2 pos2 = mix(layer.pattern_tl_b / texsize, layer.pattern_br_b / texsize, imagecoord_b);
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const vec4 color2 = texture(image_sampler, pos2);
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out_color = mix(color1, color2, layer.mix) * layer.opacity;
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}
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)";
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};
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} // namespace shaders
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} // namespace mbgl
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