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Merge pull request #38114 from lawnjelly/kessel_rulerfix
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Fix batch translate to colored synchronization error
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@akien-mga
akien-mga authored Apr 22, 2020
2 parents ade57c4 + 54cd6d3 commit 3b44f34
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Showing 2 changed files with 143 additions and 49 deletions.
163 changes: 133 additions & 30 deletions drivers/gles2/rasterizer_canvas_gles2.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -85,6 +85,19 @@ void RasterizerCanvasGLES2::RenderItemState::reset() {
joined_item = nullptr;
}

// just translate the color into something easily readable and not too verbose
String RasterizerCanvasGLES2::BatchColor::to_string() const {
String sz = "{";
const float *data = get_data();
for (int c = 0; c < 4; c++) {
float f = data[c];
int val = ((f * 255.0f) + 0.5f);
sz += String(Variant(val)) + " ";
}
sz += "}";
return sz;
}

RasterizerStorageGLES2::Texture *RasterizerCanvasGLES2::_get_canvas_texture(const RID &p_texture) const {
if (p_texture.is_valid()) {

Expand Down Expand Up @@ -494,37 +507,44 @@ void RasterizerCanvasGLES2::_batch_translate_to_colored() {
for (int n = 0; n < bdata.batches.size(); n++) {
const Batch &source_batch = bdata.batches[n];

bool needs_new_batch;
bool needs_new_batch = true;

if (dest_batch) {
// is the dest batch the same except for the color?
if ((dest_batch->batch_texture_id == source_batch.batch_texture_id) && (dest_batch->type == source_batch.type)) {
// add to previous batch
dest_batch->num_commands += source_batch.num_commands;
needs_new_batch = false;

// create the colored verts (only if not default)
if (source_batch.type != Batch::BT_DEFAULT) {
int first_vert = source_batch.first_quad * 4;
int end_vert = 4 * (source_batch.first_quad + source_batch.num_commands);

for (int v = first_vert; v < end_vert; v++) {
const BatchVertex &bv = bdata.vertices[v];
BatchVertexColored *cv = bdata.vertices_colored.request();
if (dest_batch->type == source_batch.type) {
if (source_batch.type == Batch::BT_RECT) {
if (dest_batch->batch_texture_id == source_batch.batch_texture_id) {
// add to previous batch
dest_batch->num_commands += source_batch.num_commands;
needs_new_batch = false;

// create the colored verts (only if not default)
int first_vert = source_batch.first_quad * 4;
int end_vert = 4 * (source_batch.first_quad + source_batch.num_commands);

for (int v = first_vert; v < end_vert; v++) {
const BatchVertex &bv = bdata.vertices[v];
BatchVertexColored *cv = bdata.vertices_colored.request();
#ifdef DEBUG_ENABLED
CRASH_COND(!cv);
CRASH_COND(!cv);
#endif
cv->pos = bv.pos;
cv->uv = bv.uv;
cv->col = source_batch.color;
}
cv->pos = bv.pos;
cv->uv = bv.uv;
cv->col = source_batch.color;
}
} // textures match
} else {
// default
// we can still join, but only under special circumstances
// does this ever happen? not sure at this stage, but left for future expansion
uint32_t source_last_command = source_batch.first_command + source_batch.num_commands;
if (source_last_command == dest_batch->first_command) {
dest_batch->num_commands += source_batch.num_commands;
needs_new_batch = false;
} // if the commands line up exactly
}
} else {
needs_new_batch = true;
}
} else {
needs_new_batch = true;
}
} // if both batches are the same type

} // if dest batch is valid

if (needs_new_batch) {
dest_batch = bdata.batches_temp.request();
Expand Down Expand Up @@ -646,31 +666,112 @@ void RasterizerCanvasGLES2::_batch_render_rects(const Batch &p_batch, Rasterizer
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}

#ifdef DEBUG_ENABLED
String RasterizerCanvasGLES2::get_command_type_string(const Item::Command &p_command) const {
String sz = "";

switch (p_command.type) {
default:
break;
case Item::Command::TYPE_LINE: {
sz = "l";
} break;
case Item::Command::TYPE_POLYLINE: {
sz = "PL";
} break;
case Item::Command::TYPE_RECT: {
sz = "r";
} break;
case Item::Command::TYPE_NINEPATCH: {
sz = "n";
} break;
case Item::Command::TYPE_PRIMITIVE: {
sz = "PR";
} break;
case Item::Command::TYPE_POLYGON: {
sz = "p";
} break;
case Item::Command::TYPE_MESH: {
sz = "m";
} break;
case Item::Command::TYPE_MULTIMESH: {
sz = "MM";
} break;
case Item::Command::TYPE_PARTICLES: {
sz = "PA";
} break;
case Item::Command::TYPE_CIRCLE: {
sz = "c";
} break;
case Item::Command::TYPE_TRANSFORM: {
sz = "t";

// add a bit more info in debug build
const Item::CommandTransform *transform = static_cast<const Item::CommandTransform *>(&p_command);
const Transform2D &mat = transform->xform;

sz += " ";
sz += String(Variant(mat.elements[2]));
sz += " ";
} break;
case Item::Command::TYPE_CLIP_IGNORE: {
sz = "CI";
} break;
} // switch

return sz;
}

void RasterizerCanvasGLES2::diagnose_batches(Item::Command *const *p_commands) {
int num_batches = bdata.batches.size();

BatchColor curr_color;
curr_color.set(Color(-1, -1, -1, -1));
bool first_color_change = true;

for (int batch_num = 0; batch_num < num_batches; batch_num++) {
const Batch &batch = bdata.batches[batch_num];
bdata.frame_string += "\t\tbatch ";

switch (batch.type) {
case Batch::BT_RECT: {
bdata.frame_string += "R ";
bdata.frame_string += itos(batch.first_command) + "-";
bdata.frame_string += itos(batch.num_commands);
bdata.frame_string += " [" + itos(batch.batch_texture_id) + "]";

bdata.frame_string += " " + batch.color.to_string();

if (batch.num_commands > 1) {
bdata.frame_string += " MULTI\n";
} else {
bdata.frame_string += "\n";
bdata.frame_string += " MULTI";
}
if (curr_color != batch.color) {
curr_color = batch.color;
if (!first_color_change) {
bdata.frame_string += " color";
} else {
first_color_change = false;
}
}
bdata.frame_string += "\n";
} break;
default: {
bdata.frame_string += "D ";
bdata.frame_string += itos(batch.num_commands) + "\n";
bdata.frame_string += itos(batch.first_command) + "-";
bdata.frame_string += itos(batch.num_commands) + " ";

int num_show = MIN(batch.num_commands, 16);
for (int n = 0; n < num_show; n++) {
const Item::Command &comm = *p_commands[batch.first_command + n];
bdata.frame_string += get_command_type_string(comm) + " ";
}

bdata.frame_string += "\n";
} break;
}
}
}
#endif

void RasterizerCanvasGLES2::render_batches(Item::Command *const *p_commands, Item *p_current_clip, bool &r_reclip, RasterizerStorageGLES2::Material *p_material) {

Expand Down Expand Up @@ -1592,9 +1693,11 @@ void RasterizerCanvasGLES2::flush_render_batches(Item *p_first_item, Item *p_cur

Item::Command *const *commands = p_first_item->commands.ptr();

#ifdef DEBUG_ENABLED
if (bdata.diagnose_frame) {
diagnose_batches(commands);
}
#endif

render_batches(commands, p_current_clip, r_reclip, p_material);
}
Expand Down
29 changes: 10 additions & 19 deletions drivers/gles2/rasterizer_canvas_gles2.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -67,10 +67,15 @@ class RasterizerCanvasGLES2 : public RasterizerCanvasBaseGLES2 {
b = p_c.b;
a = p_c.a;
}
bool operator==(const BatchColor &p_c) const {
return (r == p_c.r) && (g == p_c.g) && (b == p_c.b) && (a == p_c.a);
}
bool operator!=(const BatchColor &p_c) const { return (*this == p_c) == false; }
bool equals(const Color &p_c) const {
return (r == p_c.r) && (g == p_c.g) && (b == p_c.b) && (a == p_c.a);
}
const float *get_data() const { return &r; }
String to_string() const;
};

struct BatchVertex {
Expand Down Expand Up @@ -272,8 +277,11 @@ class RasterizerCanvasGLES2 : public RasterizerCanvasBaseGLES2 {
bool _light_scissor_begin(const Rect2 &p_item_rect, const Transform2D &p_light_xform, const Rect2 &p_light_rect) const;
void _calculate_scissor_threshold_area();

// debug
// no need to compile these in in release, they are unneeded outside the editor and only add to executable size
#ifdef DEBUG_ENABLED
void diagnose_batches(Item::Command *const *p_commands);
String get_command_type_string(const Item::Command &p_command) const;
#endif

public:
void initialize();
Expand All @@ -299,31 +307,14 @@ _FORCE_INLINE_ void RasterizerCanvasGLES2::_prefill_default_batch(FillState &r_f
#endif
// we do have a pending extra transform command to flush
// either the extra transform is in the prior command, or not, in which case we need 2 batches
// if (r_fill_state.transform_extra_command_number_p1 == p_command_num) {
// this should be most common case
r_fill_state.curr_batch->num_commands += 2;
// } else {
// // mad ordering .. does this even happen?
// int extra_command = r_fill_state.transform_extra_command_number_p1 - 1; // plus 1 based

// // send the extra to the GPU in a 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 = extra_command;
// r_fill_state.curr_batch->num_commands = 1;

// // start 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;
// }

r_fill_state.transform_extra_command_number_p1 = 0; // mark as sent
r_fill_state.extra_matrix_sent = true;

// the original mode should always be hardware transform ..
// test this assumption
//CRASH_COND(r_fill_state.orig_transform_mode != TM_NONE);
r_fill_state.transform_mode = r_fill_state.orig_transform_mode;

// do we need to restore anything else?
Expand Down

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