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renderer/opengl: pull out cell program drawing to dedicated func

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This commit is contained in:
Mitchell Hashimoto
2023-11-17 09:47:52 -08:00
parent aff5090362
commit da600fee8f
1 changed files with 17 additions and 7 deletions
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24
src/renderer/OpenGL.zig
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@ -1407,6 +1407,22 @@ pub fn drawFrame(self: *OpenGL, surface: *apprt.Surface) !void {
defer if (single_threaded_draw) self.draw_mutex.unlock(); defer if (single_threaded_draw) self.draw_mutex.unlock();
const gl_state = self.gl_state orelse return; const gl_state = self.gl_state orelse return;
// Draw our terminal cells
try self.drawCellProgram(&gl_state);
// Swap our window buffers
switch (apprt.runtime) {
apprt.glfw => surface.window.swapBuffers(),
apprt.gtk => {},
else => @compileError("unsupported runtime"),
}
}
/// Runs the cell program (shaders) to draw the terminal grid.
fn drawCellProgram(
self: *OpenGL,
gl_state: *const GLState,
) !void {
// Try to flush our atlas, this will only do something if there // Try to flush our atlas, this will only do something if there
// are changes to the atlas. // are changes to the atlas.
try self.flushAtlas(); try self.flushAtlas();
@ -1443,15 +1459,9 @@ pub fn drawFrame(self: *OpenGL, surface: *apprt.Surface) !void {
self.deferred_font_size = null; self.deferred_font_size = null;
} }
// Draw our background, then draw the fg on top of it.
try self.drawCells(bind.vbo, self.cells_bg); try self.drawCells(bind.vbo, self.cells_bg);
try self.drawCells(bind.vbo, self.cells); try self.drawCells(bind.vbo, self.cells);
// Swap our window buffers
switch (apprt.runtime) {
apprt.glfw => surface.window.swapBuffers(),
apprt.gtk => {},
else => @compileError("unsupported runtime"),
}
} }
/// Loads some set of cell data into our buffer and issues a draw call. /// Loads some set of cell data into our buffer and issues a draw call.