Remove unused code
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Kovid Goyal
parent
f713117908
commit
6b5f20eb64
1 changed files with 0 additions and 166 deletions
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@ -1,166 +0,0 @@
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#!/usr/bin/env python3
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# vim:fileencoding=utf-8
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# License: GPLv3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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import glfw
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import sys
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import ctypes
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from kitty.shaders import ShaderProgram, GL_VERSION, Sprites
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from kitty.fonts import set_font_family, cell_size
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from kitty.char_grid import calculate_screen_geometry, cell_shader
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from kitty.fast_data_types import (
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glViewport, enable_automatic_opengl_error_checking, glClearColor,
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glUniform2f, glUniform4f, glUniform2ui, glUniform1i, glewInit, glGetString,
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GL_VERSION as GL_VERSION_C, GL_VENDOR, GL_SHADING_LANGUAGE_VERSION, GL_RENDERER,
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glClear, GL_COLOR_BUFFER_BIT, GL_TRIANGLE_FAN, glDrawArraysInstanced,
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Cursor, LineBuf, ColorProfile, DATA_CELL_SIZE, GLFW_CONTEXT_VERSION_MAJOR,
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GLFW_CONTEXT_VERSION_MINOR, GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE,
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GLFW_OPENGL_FORWARD_COMPAT
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)
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def rectangle_uv(left=0, top=0, right=1, bottom=1):
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return (
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right, top,
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right, bottom,
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left, bottom,
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right, top,
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left, bottom,
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left, top,
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)
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class Renderer:
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def __init__(self, w, h):
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self.w, self.h = w, h
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self.color_pairs = (
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(0xffffff, 0),
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(0, 0xffffff),
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(0xffff00, 0x0000ff)
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)
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self.color_profile = ColorProfile()
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self.program = ShaderProgram(*cell_shader)
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self.sprites = Sprites()
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self.do_layout()
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def on_resize(self, window, w, h):
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glViewport(0, 0, w, h)
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self.w, self.h = w, h
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self.do_layout()
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def do_layout(self):
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# Divide into cells
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cell_width, cell_height = cell_size()
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self.sprites.do_layout(cell_width, cell_height)
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self.sprites.ensure_state()
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self.screen_geometry = sg = calculate_screen_geometry(cell_width, cell_height, self.w, self.h)
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data = (ctypes.c_uint * (sg.xnum * sg.ynum * DATA_CELL_SIZE))()
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lb = LineBuf(sg.ynum, sg.xnum)
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i = -1
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for y in range(sg.ynum):
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line = lb.line(y)
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for x in range(sg.xnum):
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i += 1
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c = Cursor()
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fg, bg = self.color_pairs[i % 3]
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c.fg = (fg << 8) | 3
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c.bg = (bg << 8) | 3
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c.decoration = 2
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c.strikethrough = True
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c.x = x
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line.set_text('%d' % (i % 10), 0, 1, c)
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self.sprites.backend.update_cell_data(line, 0, sg.xnum - 1, self.color_profile, 0xffffff, 0, ctypes.addressof(data))
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self.sprites.render_dirty_cells()
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self.sprites.set_sprite_map(data)
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def render(self):
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self.sprites.render_dirty_cells()
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with self.program:
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ul = self.program.uniform_location
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sg = self.screen_geometry
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glUniform2ui(ul('dimensions'), sg.xnum, sg.ynum)
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glUniform4f(ul('steps'), sg.xstart, sg.ystart, sg.dx, sg.dy)
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glUniform1i(ul('sprites'), self.sprites.sampler_num)
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glUniform1i(ul('sprite_map'), self.sprites.buffer_sampler_num)
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glUniform2f(ul('sprite_layout'), *self.sprites.layout)
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with self.sprites:
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glDrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, sg.xnum * sg.ynum)
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# window setup {{{
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def key_callback(key, action):
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""" Sample keyboard callback function """
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print('Key: %s Action: %s pressed' % (key, action))
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def gl_get_unicode(k):
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ans = glGetString(k)
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if isinstance(ans, bytes):
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try:
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ans = ans.decode('utf-8')
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except Exception:
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ans = repr(ans)
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return ans
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def _main():
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# These Window hints are used to specify
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# which opengl version to use and other details
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# for the opengl context that will be created
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glfw.glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, GL_VERSION[0])
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glfw.glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, GL_VERSION[1])
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glfw.glfwWindowHint(GLFW_OPENGL_PROFILE,
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GLFW_OPENGL_CORE_PROFILE)
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glfw.glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, True)
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window = glfw.glfwCreateWindow(
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1024, 1024, "Trying this crap".encode('utf-8'), None, None)
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if not window:
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raise SystemExit("glfwCreateWindow failed")
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glfw.glfwMakeContextCurrent(window)
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glewInit()
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glfw.glfwSwapInterval(1)
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# If everything went well the following calls
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# will display the version of opengl being used
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print('Vendor: %s' % (gl_get_unicode(GL_VENDOR)))
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print('Opengl version: %s' % (gl_get_unicode(GL_VERSION_C)))
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print('GLSL Version: %s' % (gl_get_unicode(GL_SHADING_LANGUAGE_VERSION)))
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print('Renderer: %s' % (gl_get_unicode(GL_RENDERER)))
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r = Renderer(1024, 1024)
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glfw.glfwSetFramebufferSizeCallback(window, r.on_resize)
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try:
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glClearColor(0.5, 0.5, 0.5, 0)
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while not glfw.glfwWindowShouldClose(window):
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glClear(GL_COLOR_BUFFER_BIT)
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r.render()
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glfw.glfwSwapBuffers(window)
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glfw.glfwWaitEvents()
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finally:
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glfw.glfwDestroyWindow(window)
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def on_error(code, msg):
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if isinstance(msg, bytes):
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try:
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msg = msg.decode('utf-8')
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except Exception:
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msg = repr(msg)
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print(msg, file=sys.stderr)
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def main():
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glfw.glfwSetErrorCallback(on_error)
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if not glfw.glfwInit():
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raise SystemExit('GLFW initialization failed')
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enable_automatic_opengl_error_checking(True)
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set_font_family('monospace', 144)
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try:
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_main()
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finally:
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glfw.glfwTerminate()
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# }}}
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