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LibGfx+LibSoftGPU: Allow indexed reads into Gfx::Vector

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This commit is contained in:
Jelle Raaijmakers 2022-03-10 20:43:28 +01:00 • committed by Andreas Kling
parent 20a5a4363c
commit 870b835115
2 changed files with 9 additions and 22 deletions
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6
Userland/Libraries/LibGfx/VectorN.h
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@ -56,6 +56,12 @@ public:
constexpr void set_z(T value) requires(N >= 3) { m_data[2] = value; }
constexpr void set_w(T value) requires(N >= 4) { m_data[3] = value; }
[[nodiscard]] constexpr T operator[](size_t index) const
{
VERIFY(index < N);
return m_data[index];
}
constexpr VectorN& operator+=(const VectorN& other)
{
UNROLL_LOOP

25
Userland/Libraries/LibSoftGPU/Device.cpp
View file

@ -609,7 +609,7 @@ static void generate_texture_coordinates(Vertex& vertex, RasterizerOptions const
auto const normal = vertex.normal;
auto reflection = eye_unit_xyz - normal * 2 * normal.dot(eye_unit_xyz);
reflection.set_z(reflection.z() + 1);
auto const reflection_value = (config_index == 0) ? reflection.x() : reflection.y();
auto const reflection_value = reflection[config_index];
return reflection_value / (2 * reflection.length()) + 0.5f;
}
case TexCoordGenerationMode::ReflectionMap: {
@ -617,29 +617,10 @@ static void generate_texture_coordinates(Vertex& vertex, RasterizerOptions const
FloatVector3 const eye_unit_xyz = eye_unit.xyz();
auto const normal = vertex.normal;
auto reflection = eye_unit_xyz - normal * 2 * normal.dot(eye_unit_xyz);
switch (config_index) {
case 0:
return reflection.x();
case 1:
return reflection.y();
case 2:
return reflection.z();
default:
VERIFY_NOT_REACHED();
}
return reflection[config_index];
}
case TexCoordGenerationMode::NormalMap: {
auto const normal = vertex.normal;
switch (config_index) {
case 0:
return normal.x();
case 1:
return normal.y();
case 2:
return normal.z();
default:
VERIFY_NOT_REACHED();
}
return vertex.normal[config_index];
}
default:
VERIFY_NOT_REACHED();