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Revert to default Rect drawing code for single rects 

Determined that a large reason for the decrease in performance in unbatchable scenes was due to the new routine being analogous to the 'nvidia workaround' code, that is about half the speed. So this simply uses the old routine in the case of single unbatchable rects. Hopefully we will be able to remove the old path at a later stage.
This commit is contained in:
lawnjelly 2020-04-11 17:40:30 +01:00
parent e7bec77ef3
commit 1fb6181ba6
2 changed files with 49 additions and 13 deletions
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48
drivers/gles2/rasterizer_canvas_gles2.cpp
View File

@ -250,21 +250,45 @@ bool RasterizerCanvasGLES2::prefill_joined_item(FillState &r_fill_state, int &r_
switch (command->type) {
default: {
if (r_fill_state.curr_batch->type == Batch::BT_DEFAULT) {
// another default command, just add to the existing batch
r_fill_state.curr_batch->num_commands++;
} else {
// end of previous different type batch, so start new default batch
r_fill_state.curr_batch = _batch_request_new();
r_fill_state.curr_batch->type = Batch::BT_DEFAULT;
r_fill_state.curr_batch->first_command = command_num;
r_fill_state.curr_batch->num_commands = 1;
}
_prefill_default_batch(r_fill_state, command_num);
} break;
case Item::Command::TYPE_RECT: {
Item::CommandRect *rect = static_cast<Item::CommandRect *>(command);
bool change_batch = false;
// conditions for creating a new batch
if (r_fill_state.curr_batch->type != Batch::BT_RECT) {
change_batch = true;
// check for special case if there is only a single or small number of rects,
// in which case we will use the legacy default rect renderer
// because it is faster for single rects
// we only want to do this if not a joined item with more than 1 item,
// because joined items with more than 1, the command * will be incorrect
// NOTE - this is assuming that use_hardware_transform means that it is a non-joined item!!
// If that assumption is incorrect this will go horribly wrong.
if (r_fill_state.use_hardware_transform) {
bool is_single_rect = false;
int command_num_next = command_num + 1;
if (command_num_next < command_count) {
Item::Command *command_next = commands[command_num_next];
if (command_next->type != Item::Command::TYPE_RECT) {
is_single_rect = true;
}
} else {
is_single_rect = true;
}
// if it is a rect on its own, do exactly the same as the default routine
if (is_single_rect) {
_prefill_default_batch(r_fill_state, command_num);
break;
}
}
} // if use hardware transform
Color col = rect->modulate;
if (multiply_final_modulate) {
col *= r_fill_state.final_modulate;
@ -290,10 +314,8 @@ bool RasterizerCanvasGLES2::prefill_joined_item(FillState &r_fill_state, int &r_
return true;
}
bool change_batch = false;
// conditions for creating a new batch
if ((r_fill_state.curr_batch->type != Batch::BT_RECT) || (old_batch_tex_id != r_fill_state.batch_tex_id)) {
if (old_batch_tex_id != r_fill_state.batch_tex_id) {
change_batch = true;
}

14
drivers/gles2/rasterizer_canvas_gles2.h
View File

@ -242,6 +242,7 @@ private:
void _software_transform_vertex(BatchVector2 &r_v, const Transform2D &p_tr) const;
void _software_transform_vertex(Vector2 &r_v, const Transform2D &p_tr) const;
TransformMode _find_transform_mode(bool p_use_hardware_transform, const Transform2D &p_tr, Transform2D &r_tr) const;
_FORCE_INLINE_ void _prefill_default_batch(FillState &r_fill_state, int p_command_num);
// light scissoring
bool _light_find_intersection(const Rect2 &p_item_rect, const Transform2D &p_light_xform, const Rect2 &p_light_rect, Rect2 &r_cliprect) const;
@ -255,6 +256,19 @@ public:
//////////////////////////////////////////////////////////////
_FORCE_INLINE_ void RasterizerCanvasGLES2::_prefill_default_batch(FillState &r_fill_state, int p_command_num) {
if (r_fill_state.curr_batch->type == Batch::BT_DEFAULT) {
// another default command, just add to the existing batch
r_fill_state.curr_batch->num_commands++;
} else {
// end of previous different type batch, so start new default batch
r_fill_state.curr_batch = _batch_request_new();
r_fill_state.curr_batch->type = Batch::BT_DEFAULT;
r_fill_state.curr_batch->first_command = p_command_num;
r_fill_state.curr_batch->num_commands = 1;
}
}
_FORCE_INLINE_ void RasterizerCanvasGLES2::_software_transform_vertex(BatchVector2 &r_v, const Transform2D &p_tr) const {
Vector2 vc(r_v.x, r_v.y);
vc = p_tr.xform(vc);