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LibGL+LibGPU+LibSoftGPU: Implement matrix stack per texture unit

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Each texture unit now has its own texture transformation matrix stack.
Introduce a new texture unit configuration that is synced when changed.
Because we're no longer passing a silly `Vector` when drawing each
primitive, this results in a slightly improved frames per second :^)
This commit is contained in:
Jelle Raaijmakers 2022-09-05 00:40:27 +02:00 • committed by Linus Groh
parent 1540c56e6c
commit 00d46e5d77
22 changed files with 208 additions and 152 deletions
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8
Userland/Libraries/LibGL/Tex/TextureUnit.h
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@ -8,7 +8,9 @@
#pragma once
#include <AK/RefPtr.h>
#include <AK/Vector.h>
#include <LibGL/Tex/Texture2D.h>
#include <LibGfx/Matrix4x4.h>
namespace GL {
@ -49,6 +51,9 @@ public:
bool texture_cube_map_enabled() const { return m_texture_cube_map_enabled; };
void set_texture_cube_map_enabled(bool texture_cube_map_enabled) { m_texture_cube_map_enabled = texture_cube_map_enabled; }
FloatMatrix4x4& texture_matrix() { return m_texture_matrix_stack.last(); }
Vector<FloatMatrix4x4>& texture_matrix_stack() { return m_texture_matrix_stack; }
private:
GLenum m_alpha_combinator { GL_MODULATE };
Array<GLenum, 3> m_alpha_operand { GL_SRC_ALPHA, GL_SRC_ALPHA, GL_SRC_ALPHA };
@ -69,6 +74,9 @@ private:
bool m_texture_2d_enabled { false };
bool m_texture_3d_enabled { false };
bool m_texture_cube_map_enabled { false };
// Matrix stack for this unit
Vector<FloatMatrix4x4> m_texture_matrix_stack { FloatMatrix4x4::identity() };
};
}