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API to easily invert colors in a window

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This commit is contained in:
Kovid Goyal 2017-02-11 08:28:10 +05:30
parent 2b4d0a4ac9
commit 7d2332da21
1 changed files with 7 additions and 5 deletions
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12
kitty/char_grid.py
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@ -31,6 +31,7 @@ uniform uvec2 dimensions; // xnum, ynum
uniform vec4 steps; // xstart, ystart, dx, dy uniform vec4 steps; // xstart, ystart, dx, dy
uniform vec2 sprite_layout; // dx, dy uniform vec2 sprite_layout; // dx, dy
uniform usamplerBuffer sprite_map; // gl_InstanceID -> x, y, z uniform usamplerBuffer sprite_map; // gl_InstanceID -> x, y, z
uniform uvec2 color_indices; // which color to use as fg and which as bg
out vec3 sprite_pos; out vec3 sprite_pos;
out vec3 underline_pos; out vec3 underline_pos;
out vec3 strike_pos; out vec3 strike_pos;
@ -78,8 +79,8 @@ void main() {
uvec4 spos = texelFetch(sprite_map, sprite_id); uvec4 spos = texelFetch(sprite_map, sprite_id);
uvec4 colors = texelFetch(sprite_map, sprite_id + 1); uvec4 colors = texelFetch(sprite_map, sprite_id + 1);
sprite_pos = to_sprite_pos(pos, spos[0], spos[1], spos[2]); sprite_pos = to_sprite_pos(pos, spos[0], spos[1], spos[2]);
foreground = to_color(colors[0]); foreground = to_color(colors[color_indices[0]]);
background = to_color(colors[1]); background = to_color(colors[color_indices[1]]);
uint decoration = colors[2]; uint decoration = colors[2];
decoration_fg = to_color(decoration); decoration_fg = to_color(decoration);
underline_pos = to_sprite_pos(pos, (decoration >> 24) & SMASK, ZERO, ZERO); underline_pos = to_sprite_pos(pos, (decoration >> 24) & SMASK, ZERO, ZERO);
@ -213,10 +214,11 @@ def calculate_gl_geometry(window_geometry):
return ScreenGeometry(xstart, ystart, window_geometry.xnum, window_geometry.ynum, dx, dy) return ScreenGeometry(xstart, ystart, window_geometry.xnum, window_geometry.ynum, dx, dy)
def render_cells(buffer_id, sg, cell_program, sprites): def render_cells(buffer_id, sg, cell_program, sprites, invert_colors=False):
sprites.bind_sprite_map(buffer_id) sprites.bind_sprite_map(buffer_id)
ul = cell_program.uniform_location ul = cell_program.uniform_location
glUniform2ui(ul('dimensions'), sg.xnum, sg.ynum) glUniform2ui(ul('dimensions'), sg.xnum, sg.ynum)
glUniform2ui(ul('color_indices'), 1 if invert_colors else 0, 0 if invert_colors else 1)
glUniform4f(ul('steps'), sg.xstart, sg.ystart, sg.dx, sg.dy) glUniform4f(ul('steps'), sg.xstart, sg.ystart, sg.dx, sg.dy)
glUniform1i(ul('sprites'), sprites.sampler_num) glUniform1i(ul('sprites'), sprites.sampler_num)
glUniform1i(ul('sprite_map'), sprites.buffer_sampler_num) glUniform1i(ul('sprite_map'), sprites.buffer_sampler_num)
@ -456,8 +458,8 @@ class CharGrid:
self.last_rendered_selection = sel self.last_rendered_selection = sel
return sg return sg
def render_cells(self, sg, cell_program, sprites): def render_cells(self, sg, cell_program, sprites, invert_colors=False):
render_cells(self.buffer_id, sg, cell_program, sprites) render_cells(self.buffer_id, sg, cell_program, sprites, invert_colors=invert_colors)
def render_cursor(self, sg, cursor_program, is_focused): def render_cursor(self, sg, cursor_program, is_focused):
cursor = self.current_cursor cursor = self.current_cursor