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annotate pytouhou/ui/opengl/background.pxd @ 792:11bc22bad1bf

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python: Replace the image crate with png We weren’t using any of its features anyway, so the png crate is exactly what we need, without the many heavy dependencies of image. https://github.com/image-rs/image-png/pull/670 will eventually make it even faster to build.
author Link Mauve <linkmauve@linkmauve.fr>
date Sat, 17 Jan 2026 22:22:25 +0100
parents a6af3ff86612
children
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b18f0bd30ad0 Optimise background rendering.
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1 from pytouhou.lib.opengl cimport GLuint, GLushort, GLsizei
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5d7bb2fd74f7 Never keep texture on the host when it has been uploaded, and prevent them from being decoded again.
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2
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d8630c086926 Replace Pyglet with our own Cython OpenGL wrapper.
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3 cdef struct Vertex:
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4 float x, y, z
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5 float u, v
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6 unsigned char r, g, b, a
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7
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8
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9 cdef class BackgroundRenderer:
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10 cdef GLuint texture
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11 cdef GLsizei nb_indices
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12
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13 # For modern GL.
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14 cdef GLuint vbo, ibo
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94725968dabb Use vertex array objects, to be compatible with OpenGL 3.1+ core profile.
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15 cdef GLuint vao
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16
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17 # For fixed pipeline.
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18 cdef Vertex *vertex_buffer
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a6a191e371c7 Add back a GL_QUADS path for legacy applications.
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19 cdef GLushort nb_vertices
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20
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21 cdef void set_state(self) nogil
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3c2f96f1d715 Fix compilation under Cython 0.22, by making the pyx and the pxd declarations’ except clause similar.
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22 cdef void render_background(self) nogil
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a6af3ff86612 Change all “void except *” function into “bint except True”, to prevent PyErr_Occurred() from being called at each call.
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23 cdef bint load(self, background, GLuint[MAX_TEXTURES] textures) except True