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rasterizer_canvas_gles3.cpp
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/*************************************************************************/
/* rasterizer_canvas_gles3.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "rasterizer_canvas_gles3.h"
#include "drivers/gles3/rasterizer_gles3.h"
#include "drivers/gles_common/rasterizer_asserts.h"
#include "servers/visual/visual_server_raster.h"
static const GLenum gl_primitive[] = {
GL_POINTS,
GL_LINES,
GL_LINE_STRIP,
GL_LINE_LOOP,
GL_TRIANGLES,
GL_TRIANGLE_STRIP,
GL_TRIANGLE_FAN
};
void RasterizerCanvasGLES3::canvas_end() {
batch_canvas_end();
RasterizerCanvasBaseGLES3::canvas_end();
}
void RasterizerCanvasGLES3::canvas_begin() {
batch_canvas_begin();
RasterizerCanvasBaseGLES3::canvas_begin();
}
void RasterizerCanvasGLES3::canvas_render_items_begin(const Color &p_modulate, Light *p_light, const Transform2D &p_base_transform) {
batch_canvas_render_items_begin(p_modulate, p_light, p_base_transform);
}
void RasterizerCanvasGLES3::canvas_render_items_end() {
batch_canvas_render_items_end();
}
void RasterizerCanvasGLES3::canvas_render_items(Item *p_item_list, int p_z, const Color &p_modulate, Light *p_light, const Transform2D &p_base_transform) {
batch_canvas_render_items(p_item_list, p_z, p_modulate, p_light, p_base_transform);
}
void RasterizerCanvasGLES3::gl_enable_scissor(int p_x, int p_y, int p_width, int p_height) const {
glEnable(GL_SCISSOR_TEST);
glScissor(p_x, p_y, p_width, p_height);
}
void RasterizerCanvasGLES3::gl_disable_scissor() const {
glDisable(GL_SCISSOR_TEST);
}
// Legacy non-batched implementation for regression testing.
// Should be removed after testing phase to avoid duplicate codepaths.
void RasterizerCanvasGLES3::_legacy_canvas_render_item(Item *p_ci, RenderItemState &r_ris) {
storage->info.render._2d_item_count++;
if (r_ris.prev_distance_field != p_ci->distance_field) {
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_DISTANCE_FIELD, p_ci->distance_field);
r_ris.prev_distance_field = p_ci->distance_field;
r_ris.rebind_shader = true;
}
if (r_ris.current_clip != p_ci->final_clip_owner) {
r_ris.current_clip = p_ci->final_clip_owner;
//setup clip
if (r_ris.current_clip) {
glEnable(GL_SCISSOR_TEST);
int y = storage->frame.current_rt->height - (r_ris.current_clip->final_clip_rect.position.y + r_ris.current_clip->final_clip_rect.size.y);
if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) {
y = r_ris.current_clip->final_clip_rect.position.y;
}
glScissor(r_ris.current_clip->final_clip_rect.position.x, y, r_ris.current_clip->final_clip_rect.size.x, r_ris.current_clip->final_clip_rect.size.y);
} else {
glDisable(GL_SCISSOR_TEST);
}
}
if (p_ci->copy_back_buffer) {
if (p_ci->copy_back_buffer->full) {
_copy_texscreen(Rect2());
} else {
_copy_texscreen(p_ci->copy_back_buffer->rect);
}
}
RasterizerStorageGLES3::Skeleton *skeleton = nullptr;
{
//skeleton handling
if (p_ci->skeleton.is_valid() && storage->skeleton_owner.owns(p_ci->skeleton)) {
skeleton = storage->skeleton_owner.get(p_ci->skeleton);
if (!skeleton->use_2d) {
skeleton = nullptr;
} else {
state.skeleton_transform = r_ris.item_group_base_transform * skeleton->base_transform_2d;
state.skeleton_transform_inverse = state.skeleton_transform.affine_inverse();
}
}
bool use_skeleton = skeleton != nullptr;
if (r_ris.prev_use_skeleton != use_skeleton) {
r_ris.rebind_shader = true;
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_SKELETON, use_skeleton);
r_ris.prev_use_skeleton = use_skeleton;
}
if (skeleton) {
glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 4);
glBindTexture(GL_TEXTURE_2D, skeleton->texture);
state.using_skeleton = true;
} else {
state.using_skeleton = false;
}
}
//begin rect
Item *material_owner = p_ci->material_owner ? p_ci->material_owner : p_ci;
RID material = material_owner->material;
if (material != r_ris.canvas_last_material || r_ris.rebind_shader) {
RasterizerStorageGLES3::Material *material_ptr = storage->material_owner.getornull(material);
RasterizerStorageGLES3::Shader *shader_ptr = nullptr;
if (material_ptr) {
shader_ptr = material_ptr->shader;
if (shader_ptr && shader_ptr->mode != VS::SHADER_CANVAS_ITEM) {
shader_ptr = nullptr; //do not use non canvasitem shader
}
}
if (shader_ptr) {
if (shader_ptr->canvas_item.uses_screen_texture && !state.canvas_texscreen_used) {
//copy if not copied before
_copy_texscreen(Rect2());
// blend mode will have been enabled so make sure we disable it again later on
r_ris.last_blend_mode = r_ris.last_blend_mode != RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED ? r_ris.last_blend_mode : -1;
}
if (shader_ptr != r_ris.shader_cache || r_ris.rebind_shader) {
if (shader_ptr->canvas_item.uses_time) {
VisualServerRaster::redraw_request(false);
}
state.canvas_shader.set_custom_shader(shader_ptr->custom_code_id);
state.canvas_shader.bind();
}
if (material_ptr->ubo_id) {
glBindBufferBase(GL_UNIFORM_BUFFER, 2, material_ptr->ubo_id);
}
int tc = material_ptr->textures.size();
RID *textures = material_ptr->textures.ptrw();
ShaderLanguage::ShaderNode::Uniform::Hint *texture_hints = shader_ptr->texture_hints.ptrw();
for (int i = 0; i < tc; i++) {
glActiveTexture(GL_TEXTURE2 + i);
RasterizerStorageGLES3::Texture *t = storage->texture_owner.getornull(textures[i]);
if (!t) {
switch (texture_hints[i]) {
case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK_ALBEDO:
case ShaderLanguage::ShaderNode::Uniform::HINT_BLACK: {
glBindTexture(GL_TEXTURE_2D, storage->resources.black_tex);
} break;
case ShaderLanguage::ShaderNode::Uniform::HINT_ANISO: {
glBindTexture(GL_TEXTURE_2D, storage->resources.aniso_tex);
} break;
case ShaderLanguage::ShaderNode::Uniform::HINT_NORMAL: {
glBindTexture(GL_TEXTURE_2D, storage->resources.normal_tex);
} break;
default: {
glBindTexture(GL_TEXTURE_2D, storage->resources.white_tex);
} break;
}
//check hints
continue;
}
if (t->redraw_if_visible) { //check before proxy, because this is usually used with proxies
VisualServerRaster::redraw_request();
}
t = t->get_ptr();
if (storage->config.srgb_decode_supported && t->using_srgb) {
//no srgb in 2D
glTexParameteri(t->target, _TEXTURE_SRGB_DECODE_EXT, _SKIP_DECODE_EXT);
t->using_srgb = false;
}
glBindTexture(t->target, t->tex_id);
}
} else {
state.canvas_shader.set_custom_shader(0);
state.canvas_shader.bind();
}
r_ris.shader_cache = shader_ptr;
r_ris.canvas_last_material = material;
r_ris.rebind_shader = false;
}
int blend_mode = r_ris.shader_cache ? r_ris.shader_cache->canvas_item.blend_mode : RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX;
if (blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED && (!storage->frame.current_rt || !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT])) {
blend_mode = RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX;
}
bool unshaded = r_ris.shader_cache && (r_ris.shader_cache->canvas_item.light_mode == RasterizerStorageGLES3::Shader::CanvasItem::LIGHT_MODE_UNSHADED || (blend_mode != RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX && blend_mode != RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_PMALPHA));
bool reclip = false;
if (r_ris.last_blend_mode != blend_mode) {
if (r_ris.last_blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED) {
// re-enable it
glEnable(GL_BLEND);
} else if (blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED) {
// disable it
glDisable(GL_BLEND);
}
switch (blend_mode) {
case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED: {
// nothing to do here
} break;
case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX: {
glBlendEquation(GL_FUNC_ADD);
if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
} else {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE);
}
} break;
case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_ADD: {
glBlendEquation(GL_FUNC_ADD);
if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_SRC_ALPHA, GL_ONE);
} else {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ZERO, GL_ONE);
}
} break;
case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_SUB: {
glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_SRC_ALPHA, GL_ONE);
} else {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ZERO, GL_ONE);
}
} break;
case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MUL: {
glBlendEquation(GL_FUNC_ADD);
if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_DST_ALPHA, GL_ZERO);
} else {
glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_ZERO, GL_ONE);
}
} break;
case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_PMALPHA: {
glBlendEquation(GL_FUNC_ADD);
if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
} else {
glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE);
}
} break;
}
r_ris.last_blend_mode = blend_mode;
}
state.canvas_item_modulate = unshaded ? p_ci->final_modulate : Color(p_ci->final_modulate.r * r_ris.item_group_modulate.r, p_ci->final_modulate.g * r_ris.item_group_modulate.g, p_ci->final_modulate.b * r_ris.item_group_modulate.b, p_ci->final_modulate.a * r_ris.item_group_modulate.a);
state.final_transform = p_ci->final_transform;
state.extra_matrix = Transform2D();
if (state.using_skeleton) {
state.canvas_shader.set_uniform(CanvasShaderGLES3::SKELETON_TRANSFORM, state.skeleton_transform);
state.canvas_shader.set_uniform(CanvasShaderGLES3::SKELETON_TRANSFORM_INVERSE, state.skeleton_transform_inverse);
}
state.canvas_shader.set_uniform(CanvasShaderGLES3::FINAL_MODULATE, state.canvas_item_modulate);
state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX, state.final_transform);
state.canvas_shader.set_uniform(CanvasShaderGLES3::EXTRA_MATRIX, state.extra_matrix);
if (storage->frame.current_rt) {
state.canvas_shader.set_uniform(CanvasShaderGLES3::SCREEN_PIXEL_SIZE, Vector2(1.0 / storage->frame.current_rt->width, 1.0 / storage->frame.current_rt->height));
} else {
state.canvas_shader.set_uniform(CanvasShaderGLES3::SCREEN_PIXEL_SIZE, Vector2(1.0, 1.0));
}
if (unshaded || (state.canvas_item_modulate.a > 0.001 && (!r_ris.shader_cache || r_ris.shader_cache->canvas_item.light_mode != RasterizerStorageGLES3::Shader::CanvasItem::LIGHT_MODE_LIGHT_ONLY) && !p_ci->light_masked)) {
_legacy_canvas_item_render_commands(p_ci, r_ris.current_clip, reclip, nullptr);
}
if ((blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX || blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_PMALPHA) && r_ris.item_group_light && !unshaded) {
Light *light = r_ris.item_group_light;
bool light_used = false;
VS::CanvasLightMode mode = VS::CANVAS_LIGHT_MODE_ADD;
state.canvas_item_modulate = p_ci->final_modulate; // remove the canvas modulate
while (light) {
if (p_ci->light_mask & light->item_mask && r_ris.item_group_z >= light->z_min && r_ris.item_group_z <= light->z_max && p_ci->global_rect_cache.intersects_transformed(light->xform_cache, light->rect_cache)) {
//intersects this light
if (!light_used || mode != light->mode) {
mode = light->mode;
switch (mode) {
case VS::CANVAS_LIGHT_MODE_ADD: {
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
} break;
case VS::CANVAS_LIGHT_MODE_SUB: {
glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
} break;
case VS::CANVAS_LIGHT_MODE_MIX:
case VS::CANVAS_LIGHT_MODE_MASK: {
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
} break;
}
}
if (!light_used) {
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_LIGHTING, true);
light_used = true;
}
bool has_shadow = light->shadow_buffer.is_valid() && p_ci->light_mask & light->item_shadow_mask;
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_SHADOWS, has_shadow);
if (has_shadow) {
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_USE_GRADIENT, light->shadow_gradient_length > 0);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_NEAREST, light->shadow_filter == VS::CANVAS_LIGHT_FILTER_NONE);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF3, light->shadow_filter == VS::CANVAS_LIGHT_FILTER_PCF3);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF5, light->shadow_filter == VS::CANVAS_LIGHT_FILTER_PCF5);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF7, light->shadow_filter == VS::CANVAS_LIGHT_FILTER_PCF7);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF9, light->shadow_filter == VS::CANVAS_LIGHT_FILTER_PCF9);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF13, light->shadow_filter == VS::CANVAS_LIGHT_FILTER_PCF13);
}
bool light_rebind = state.canvas_shader.bind();
if (light_rebind) {
state.canvas_shader.set_uniform(CanvasShaderGLES3::FINAL_MODULATE, state.canvas_item_modulate);
state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX, state.final_transform);
state.canvas_shader.set_uniform(CanvasShaderGLES3::EXTRA_MATRIX, Transform2D());
if (storage->frame.current_rt) {
state.canvas_shader.set_uniform(CanvasShaderGLES3::SCREEN_PIXEL_SIZE, Vector2(1.0 / storage->frame.current_rt->width, 1.0 / storage->frame.current_rt->height));
} else {
state.canvas_shader.set_uniform(CanvasShaderGLES3::SCREEN_PIXEL_SIZE, Vector2(1.0, 1.0));
}
if (state.using_skeleton) {
state.canvas_shader.set_uniform(CanvasShaderGLES3::SKELETON_TRANSFORM, state.skeleton_transform);
state.canvas_shader.set_uniform(CanvasShaderGLES3::SKELETON_TRANSFORM_INVERSE, state.skeleton_transform_inverse);
}
}
glBindBufferBase(GL_UNIFORM_BUFFER, 1, static_cast<LightInternal *>(light_internal_owner.get(light->light_internal))->ubo);
if (has_shadow) {
RasterizerStorageGLES3::CanvasLightShadow *cls = storage->canvas_light_shadow_owner.get(light->shadow_buffer);
glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 2);
glBindTexture(GL_TEXTURE_2D, cls->distance);
/*canvas_shader.set_uniform(CanvasShaderGLES3::SHADOW_MATRIX,light->shadow_matrix_cache);
canvas_shader.set_uniform(CanvasShaderGLES3::SHADOW_ESM_MULTIPLIER,light->shadow_esm_mult);
canvas_shader.set_uniform(CanvasShaderGLES3::LIGHT_SHADOW_COLOR,light->shadow_color);*/
}
glActiveTexture(GL_TEXTURE0 + storage->config.max_texture_image_units - 1);
RasterizerStorageGLES3::Texture *t = storage->texture_owner.getornull(light->texture);
if (!t) {
glBindTexture(GL_TEXTURE_2D, storage->resources.white_tex);
} else {
t = t->get_ptr();
glBindTexture(t->target, t->tex_id);
}
glActiveTexture(GL_TEXTURE0);
_legacy_canvas_item_render_commands(p_ci, r_ris.current_clip, reclip, nullptr); //redraw using light
}
light = light->next_ptr;
}
if (light_used) {
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_LIGHTING, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_SHADOWS, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_NEAREST, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF3, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF5, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF7, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF9, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF13, false);
state.canvas_shader.bind();
r_ris.last_blend_mode = -1;
/*
//this is set again, so it should not be needed anyway?
state.canvas_item_modulate = unshaded ? ci->final_modulate : Color(
ci->final_modulate.r * p_modulate.r,
ci->final_modulate.g * p_modulate.g,
ci->final_modulate.b * p_modulate.b,
ci->final_modulate.a * p_modulate.a );
state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX,state.final_transform);
state.canvas_shader.set_uniform(CanvasShaderGLES3::EXTRA_MATRIX,Transform2D());
state.canvas_shader.set_uniform(CanvasShaderGLES3::FINAL_MODULATE,state.canvas_item_modulate);
glBlendEquation(GL_FUNC_ADD);
if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) {
glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
} else {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
//@TODO RESET canvas_blend_mode
*/
}
}
if (reclip) {
glEnable(GL_SCISSOR_TEST);
int y = storage->frame.current_rt->height - (r_ris.current_clip->final_clip_rect.position.y + r_ris.current_clip->final_clip_rect.size.y);
if (storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) {
y = r_ris.current_clip->final_clip_rect.position.y;
}
glScissor(r_ris.current_clip->final_clip_rect.position.x, y, r_ris.current_clip->final_clip_rect.size.width, r_ris.current_clip->final_clip_rect.size.height);
}
}
void RasterizerCanvasGLES3::render_batches(Item *p_current_clip, bool &r_reclip, RasterizerStorageGLES3::Material *p_material) {
// bdata.reset_flush();
// return;
int num_batches = bdata.batches.size();
for (int batch_num = 0; batch_num < num_batches; batch_num++) {
const Batch &batch = bdata.batches[batch_num];
switch (batch.type) {
case RasterizerStorageCommon::BT_RECT: {
_batch_render_generic(batch, p_material);
} break;
case RasterizerStorageCommon::BT_POLY: {
_batch_render_generic(batch, p_material);
} break;
case RasterizerStorageCommon::BT_LINE: {
_batch_render_lines(batch, p_material, false);
} break;
case RasterizerStorageCommon::BT_LINE_AA: {
_batch_render_lines(batch, p_material, true);
} break;
default: {
int end_command = batch.first_command + batch.num_commands;
DEV_ASSERT(batch.item);
RasterizerCanvas::Item::Command *const *commands = batch.item->commands.ptr();
for (int i = batch.first_command; i < end_command; i++) {
Item::Command *c = commands[i];
switch (c->type) {
case Item::Command::TYPE_LINE: {
Item::CommandLine *line = static_cast<Item::CommandLine *>(c);
_set_texture_rect_mode(false);
_bind_canvas_texture(RID(), RID());
glVertexAttrib4f(VS::ARRAY_COLOR, line->color.r, line->color.g, line->color.b, line->color.a);
if (line->width <= 1) {
Vector2 verts[2] = {
Vector2(line->from.x, line->from.y),
Vector2(line->to.x, line->to.y)
};
#ifdef GLES_OVER_GL
if (line->antialiased) {
glEnable(GL_LINE_SMOOTH);
}
#endif
//glLineWidth(line->width);
_draw_gui_primitive(2, verts, nullptr, nullptr);
#ifdef GLES_OVER_GL
if (line->antialiased) {
glDisable(GL_LINE_SMOOTH);
}
#endif
} else {
//thicker line
Vector2 t = (line->from - line->to).normalized().tangent() * line->width * 0.5;
Vector2 verts[4] = {
line->from - t,
line->from + t,
line->to + t,
line->to - t,
};
//glLineWidth(line->width);
_draw_gui_primitive(4, verts, nullptr, nullptr);
#ifdef GLES_OVER_GL
if (line->antialiased) {
glEnable(GL_LINE_SMOOTH);
for (int j = 0; j < 4; j++) {
Vector2 vertsl[2] = {
verts[j],
verts[(j + 1) % 4],
};
_draw_gui_primitive(2, vertsl, nullptr, nullptr);
}
glDisable(GL_LINE_SMOOTH);
}
#endif
}
} break;
case Item::Command::TYPE_POLYLINE: {
Item::CommandPolyLine *pline = static_cast<Item::CommandPolyLine *>(c);
_set_texture_rect_mode(false);
_bind_canvas_texture(RID(), RID());
if (pline->triangles.size()) {
#ifdef RASTERIZER_EXTRA_CHECKS
if (pline->triangle_colors.ptr() && (pline->triangle_colors.size() != 1)) {
RAST_DEV_DEBUG_ASSERT(pline->triangle_colors.size() == pline->triangles.size());
}
#endif
_draw_generic(GL_TRIANGLE_STRIP, pline->triangles.size(), pline->triangles.ptr(), nullptr, pline->triangle_colors.ptr(), pline->triangle_colors.size() == 1);
#ifdef GLES_OVER_GL
glEnable(GL_LINE_SMOOTH);
if (pline->multiline) {
//needs to be different
} else {
_draw_generic(GL_LINE_LOOP, pline->lines.size(), pline->lines.ptr(), nullptr, pline->line_colors.ptr(), pline->line_colors.size() == 1);
}
glDisable(GL_LINE_SMOOTH);
#endif
} else {
#ifdef GLES_OVER_GL
if (pline->antialiased) {
glEnable(GL_LINE_SMOOTH);
}
#endif
if (pline->multiline) {
int todo = pline->lines.size() / 2;
int max_per_call = data.polygon_buffer_size / (sizeof(real_t) * 4);
int offset = 0;
while (todo) {
int to_draw = MIN(max_per_call, todo);
_draw_generic(GL_LINES, to_draw * 2, &pline->lines.ptr()[offset], nullptr, pline->line_colors.size() == 1 ? pline->line_colors.ptr() : &pline->line_colors.ptr()[offset], pline->line_colors.size() == 1);
todo -= to_draw;
offset += to_draw * 2;
}
} else {
_draw_generic(GL_LINE_STRIP, pline->lines.size(), pline->lines.ptr(), nullptr, pline->line_colors.ptr(), pline->line_colors.size() == 1);
}
#ifdef GLES_OVER_GL
if (pline->antialiased) {
glDisable(GL_LINE_SMOOTH);
}
#endif
}
} break;
case Item::Command::TYPE_RECT: {
Item::CommandRect *rect = static_cast<Item::CommandRect *>(c);
//set color
glVertexAttrib4f(VS::ARRAY_COLOR, rect->modulate.r, rect->modulate.g, rect->modulate.b, rect->modulate.a);
RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(rect->texture, rect->normal_map);
if (use_nvidia_rect_workaround) {
render_rect_nvidia_workaround(rect, texture);
} else {
_set_texture_rect_mode(true);
if (texture) {
bool untile = false;
if (rect->flags & CANVAS_RECT_TILE && !(texture->flags & VS::TEXTURE_FLAG_REPEAT)) {
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
untile = true;
}
Size2 texpixel_size(1.0 / texture->width, 1.0 / texture->height);
Rect2 src_rect = (rect->flags & CANVAS_RECT_REGION) ? Rect2(rect->source.position * texpixel_size, rect->source.size * texpixel_size) : Rect2(0, 0, 1, 1);
Rect2 dst_rect = Rect2(rect->rect.position, rect->rect.size);
if (dst_rect.size.width < 0) {
dst_rect.position.x += dst_rect.size.width;
dst_rect.size.width *= -1;
}
if (dst_rect.size.height < 0) {
dst_rect.position.y += dst_rect.size.height;
dst_rect.size.height *= -1;
}
if (rect->flags & CANVAS_RECT_FLIP_H) {
src_rect.size.x *= -1;
}
if (rect->flags & CANVAS_RECT_FLIP_V) {
src_rect.size.y *= -1;
}
if (rect->flags & CANVAS_RECT_TRANSPOSE) {
dst_rect.size.x *= -1; // Encoding in the dst_rect.z uniform
}
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, texpixel_size);
state.canvas_shader.set_uniform(CanvasShaderGLES3::DST_RECT, Color(dst_rect.position.x, dst_rect.position.y, dst_rect.size.x, dst_rect.size.y));
state.canvas_shader.set_uniform(CanvasShaderGLES3::SRC_RECT, Color(src_rect.position.x, src_rect.position.y, src_rect.size.x, src_rect.size.y));
state.canvas_shader.set_uniform(CanvasShaderGLES3::CLIP_RECT_UV, rect->flags & CANVAS_RECT_CLIP_UV);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
storage->info.render._2d_draw_call_count++;
if (untile) {
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
} else {
Rect2 dst_rect = Rect2(rect->rect.position, rect->rect.size);
if (dst_rect.size.width < 0) {
dst_rect.position.x += dst_rect.size.width;
dst_rect.size.width *= -1;
}
if (dst_rect.size.height < 0) {
dst_rect.position.y += dst_rect.size.height;
dst_rect.size.height *= -1;
}
state.canvas_shader.set_uniform(CanvasShaderGLES3::DST_RECT, Color(dst_rect.position.x, dst_rect.position.y, dst_rect.size.x, dst_rect.size.y));
state.canvas_shader.set_uniform(CanvasShaderGLES3::SRC_RECT, Color(0, 0, 1, 1));
state.canvas_shader.set_uniform(CanvasShaderGLES3::CLIP_RECT_UV, false);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
storage->info.render._2d_draw_call_count++;
}
} // if not use nvidia workaround
} break;
case Item::Command::TYPE_NINEPATCH: {
Item::CommandNinePatch *np = static_cast<Item::CommandNinePatch *>(c);
_set_texture_rect_mode(true, true);
glVertexAttrib4f(VS::ARRAY_COLOR, np->color.r, np->color.g, np->color.b, np->color.a);
RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(np->texture, np->normal_map);
Size2 texpixel_size;
if (!texture) {
texpixel_size = Size2(1, 1);
state.canvas_shader.set_uniform(CanvasShaderGLES3::SRC_RECT, Color(0, 0, 1, 1));
} else {
if (np->source != Rect2()) {
texpixel_size = Size2(1.0 / np->source.size.width, 1.0 / np->source.size.height);
state.canvas_shader.set_uniform(CanvasShaderGLES3::SRC_RECT, Color(np->source.position.x / texture->width, np->source.position.y / texture->height, np->source.size.x / texture->width, np->source.size.y / texture->height));
} else {
texpixel_size = Size2(1.0 / texture->width, 1.0 / texture->height);
state.canvas_shader.set_uniform(CanvasShaderGLES3::SRC_RECT, Color(0, 0, 1, 1));
}
}
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, texpixel_size);
state.canvas_shader.set_uniform(CanvasShaderGLES3::CLIP_RECT_UV, false);
state.canvas_shader.set_uniform(CanvasShaderGLES3::NP_REPEAT_H, int(np->axis_x));
state.canvas_shader.set_uniform(CanvasShaderGLES3::NP_REPEAT_V, int(np->axis_y));
state.canvas_shader.set_uniform(CanvasShaderGLES3::NP_DRAW_CENTER, np->draw_center);
state.canvas_shader.set_uniform(CanvasShaderGLES3::NP_MARGINS, Color(np->margin[MARGIN_LEFT], np->margin[MARGIN_TOP], np->margin[MARGIN_RIGHT], np->margin[MARGIN_BOTTOM]));
state.canvas_shader.set_uniform(CanvasShaderGLES3::DST_RECT, Color(np->rect.position.x, np->rect.position.y, np->rect.size.x, np->rect.size.y));
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
storage->info.render._2d_draw_call_count++;
} break;
case Item::Command::TYPE_PRIMITIVE: {
Item::CommandPrimitive *primitive = static_cast<Item::CommandPrimitive *>(c);
_set_texture_rect_mode(false);
ERR_CONTINUE(primitive->points.size() < 1);
RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(primitive->texture, primitive->normal_map);
if (texture) {
Size2 texpixel_size(1.0 / texture->width, 1.0 / texture->height);
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, texpixel_size);
}
// we need a temporary because this must be nulled out
// if only a single color specified
const Color *colors = primitive->colors.ptr();
if (primitive->colors.size() == 1 && primitive->points.size() > 1) {
Color col = primitive->colors[0];
glVertexAttrib4f(VS::ARRAY_COLOR, col.r, col.g, col.b, col.a);
colors = nullptr;
} else if (primitive->colors.empty()) {
glVertexAttrib4f(VS::ARRAY_COLOR, 1, 1, 1, 1);
}
#ifdef RASTERIZER_EXTRA_CHECKS
else {
RAST_DEV_DEBUG_ASSERT(primitive->colors.size() == primitive->points.size());
}
if (primitive->uvs.ptr()) {
RAST_DEV_DEBUG_ASSERT(primitive->uvs.size() == primitive->points.size());
}
#endif
_draw_gui_primitive(primitive->points.size(), primitive->points.ptr(), colors, primitive->uvs.ptr());
} break;
case Item::Command::TYPE_POLYGON: {
Item::CommandPolygon *polygon = static_cast<Item::CommandPolygon *>(c);
_set_texture_rect_mode(false);
RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(polygon->texture, polygon->normal_map);
if (texture) {
Size2 texpixel_size(1.0 / texture->width, 1.0 / texture->height);
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, texpixel_size);
}
_draw_polygon(polygon->indices.ptr(), polygon->count, polygon->points.size(), polygon->points.ptr(), polygon->uvs.ptr(), polygon->colors.ptr(), polygon->colors.size() == 1, polygon->bones.ptr(), polygon->weights.ptr());
#ifdef GLES_OVER_GL
if (polygon->antialiased) {
glEnable(GL_LINE_SMOOTH);
if (polygon->antialiasing_use_indices) {
_draw_generic_indices(GL_LINE_STRIP, polygon->indices.ptr(), polygon->count, polygon->points.size(), polygon->points.ptr(), polygon->uvs.ptr(), polygon->colors.ptr(), polygon->colors.size() == 1);
} else {
_draw_generic(GL_LINE_LOOP, polygon->points.size(), polygon->points.ptr(), polygon->uvs.ptr(), polygon->colors.ptr(), polygon->colors.size() == 1);
}
glDisable(GL_LINE_SMOOTH);
}
#endif
} break;
case Item::Command::TYPE_MESH: {
Item::CommandMesh *mesh = static_cast<Item::CommandMesh *>(c);
_set_texture_rect_mode(false);
RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(mesh->texture, mesh->normal_map);
if (texture) {
Size2 texpixel_size(1.0 / texture->width, 1.0 / texture->height);
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, texpixel_size);
}
state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX, state.final_transform * mesh->transform);
RasterizerStorageGLES3::Mesh *mesh_data = storage->mesh_owner.getornull(mesh->mesh);
if (mesh_data) {
for (int j = 0; j < mesh_data->surfaces.size(); j++) {
RasterizerStorageGLES3::Surface *s = mesh_data->surfaces[j];
// materials are ignored in 2D meshes, could be added but many things (ie, lighting mode, reading from screen, etc) would break as they are not meant be set up at this point of drawing
glBindVertexArray(s->array_id);
glVertexAttrib4f(VS::ARRAY_COLOR, mesh->modulate.r, mesh->modulate.g, mesh->modulate.b, mesh->modulate.a);
if (s->index_array_len) {
glDrawElements(gl_primitive[s->primitive], s->index_array_len, (s->array_len >= (1 << 16)) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, nullptr);
} else {
glDrawArrays(gl_primitive[s->primitive], 0, s->array_len);
}
storage->info.render._2d_draw_call_count++;
glBindVertexArray(0);
}
}
state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX, state.final_transform);
} break;
case Item::Command::TYPE_MULTIMESH: {
Item::CommandMultiMesh *mmesh = static_cast<Item::CommandMultiMesh *>(c);
RasterizerStorageGLES3::MultiMesh *multi_mesh = storage->multimesh_owner.getornull(mmesh->multimesh);
if (!multi_mesh) {
break;
}
RasterizerStorageGLES3::Mesh *mesh_data = storage->mesh_owner.getornull(multi_mesh->mesh);
if (!mesh_data) {
break;
}
RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(mmesh->texture, mmesh->normal_map);
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_INSTANCE_CUSTOM, multi_mesh->custom_data_format != VS::MULTIMESH_CUSTOM_DATA_NONE);
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_INSTANCING, true);
//reset shader and force rebind
state.using_texture_rect = true;
_set_texture_rect_mode(false);
if (texture) {
Size2 texpixel_size(1.0 / texture->width, 1.0 / texture->height);
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, texpixel_size);
}
int amount = MIN(multi_mesh->size, multi_mesh->visible_instances);
if (amount == -1) {
amount = multi_mesh->size;
}
glVertexAttrib4f(VS::ARRAY_COLOR, 1.0, 1.0, 1.0, 1.0);
for (int j = 0; j < mesh_data->surfaces.size(); j++) {
RasterizerStorageGLES3::Surface *s = mesh_data->surfaces[j];
// materials are ignored in 2D meshes, could be added but many things (ie, lighting mode, reading from screen, etc) would break as they are not meant be set up at this point of drawing
glBindVertexArray(s->instancing_array_id);
glBindBuffer(GL_ARRAY_BUFFER, multi_mesh->buffer); //modify the buffer
int stride = (multi_mesh->xform_floats + multi_mesh->color_floats + multi_mesh->custom_data_floats) * 4;
glEnableVertexAttribArray(8);
glVertexAttribPointer(8, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(0));
glVertexAttribDivisor(8, 1);
glEnableVertexAttribArray(9);
glVertexAttribPointer(9, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(4 * 4));
glVertexAttribDivisor(9, 1);
int color_ofs;
if (multi_mesh->transform_format == VS::MULTIMESH_TRANSFORM_3D) {
glEnableVertexAttribArray(10);
glVertexAttribPointer(10, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(8 * 4));
glVertexAttribDivisor(10, 1);
color_ofs = 12 * 4;
} else {
glDisableVertexAttribArray(10);
glVertexAttrib4f(10, 0, 0, 1, 0);
color_ofs = 8 * 4;
}
int custom_data_ofs = color_ofs;
switch (multi_mesh->color_format) {
case VS::MULTIMESH_COLOR_MAX:
case VS::MULTIMESH_COLOR_NONE: {
glDisableVertexAttribArray(11);
glVertexAttrib4f(11, 1, 1, 1, 1);
} break;
case VS::MULTIMESH_COLOR_8BIT: {
glEnableVertexAttribArray(11);
glVertexAttribPointer(11, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, CAST_INT_TO_UCHAR_PTR(color_ofs));
glVertexAttribDivisor(11, 1);
custom_data_ofs += 4;
} break;
case VS::MULTIMESH_COLOR_FLOAT: {
glEnableVertexAttribArray(11);
glVertexAttribPointer(11, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(color_ofs));
glVertexAttribDivisor(11, 1);
custom_data_ofs += 4 * 4;
} break;
}
switch (multi_mesh->custom_data_format) {
case VS::MULTIMESH_CUSTOM_DATA_MAX:
case VS::MULTIMESH_CUSTOM_DATA_NONE: {
glDisableVertexAttribArray(12);
glVertexAttrib4f(12, 1, 1, 1, 1);
} break;
case VS::MULTIMESH_CUSTOM_DATA_8BIT: {
glEnableVertexAttribArray(12);
glVertexAttribPointer(12, 4, GL_UNSIGNED_BYTE, GL_TRUE, stride, CAST_INT_TO_UCHAR_PTR(custom_data_ofs));
glVertexAttribDivisor(12, 1);
} break;
case VS::MULTIMESH_CUSTOM_DATA_FLOAT: {
glEnableVertexAttribArray(12);
glVertexAttribPointer(12, 4, GL_FLOAT, GL_FALSE, stride, CAST_INT_TO_UCHAR_PTR(custom_data_ofs));
glVertexAttribDivisor(12, 1);
} break;
}
if (s->index_array_len) {
glDrawElementsInstanced(gl_primitive[s->primitive], s->index_array_len, (s->array_len >= (1 << 16)) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT, nullptr, amount);
} else {
glDrawArraysInstanced(gl_primitive[s->primitive], 0, s->array_len, amount);
}
storage->info.render._2d_draw_call_count++;
glBindVertexArray(0);
}
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_INSTANCE_CUSTOM, false);
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_INSTANCING, false);
state.using_texture_rect = true;
_set_texture_rect_mode(false);
} break;
case Item::Command::TYPE_PARTICLES: {
Item::CommandParticles *particles_cmd = static_cast<Item::CommandParticles *>(c);
RasterizerStorageGLES3::Particles *particles = storage->particles_owner.getornull(particles_cmd->particles);
if (!particles) {
break;
}
if (particles->inactive && !particles->emitting) {
break;
}
glVertexAttrib4f(VS::ARRAY_COLOR, 1, 1, 1, 1); //not used, so keep white
VisualServerRaster::redraw_request(false);
storage->particles_request_process(particles_cmd->particles);
//enable instancing
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_INSTANCE_CUSTOM, true);
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_PARTICLES, true);
state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_INSTANCING, true);
//reset shader and force rebind
state.using_texture_rect = true;
_set_texture_rect_mode(false);
RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(particles_cmd->texture, particles_cmd->normal_map);
if (texture) {
Size2 texpixel_size(1.0 / texture->width, 1.0 / texture->height);
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, texpixel_size);
} else {
state.canvas_shader.set_uniform(CanvasShaderGLES3::COLOR_TEXPIXEL_SIZE, Vector2(1.0, 1.0));
}
if (!particles->use_local_coords) {
Transform2D inv_xf;
inv_xf.set_axis(0, Vector2(particles->emission_transform.basis.get_axis(0).x, particles->emission_transform.basis.get_axis(0).y));
inv_xf.set_axis(1, Vector2(particles->emission_transform.basis.get_axis(1).x, particles->emission_transform.basis.get_axis(1).y));
inv_xf.set_origin(Vector2(particles->emission_transform.get_origin().x, particles->emission_transform.get_origin().y));
inv_xf.affine_invert();
state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX, state.final_transform * inv_xf);
}