diff options
author | Juan Linietsky <reduzio@gmail.com> | 2016-10-03 16:33:42 -0300 |
---|---|---|
committer | Juan Linietsky <reduzio@gmail.com> | 2016-10-03 21:35:16 +0200 |
commit | 22d83bc9f655d5ae7a1b49709c4c1b663725daf5 (patch) | |
tree | a817195c08d4713a70ca014a3f63f5937934fe36 /drivers/gles3/rasterizer_canvas_gles3.cpp | |
parent | 78d97b060a6873a454e710380cb9ef1bde5e4c65 (diff) |
Begining of GLES3 renderer:
-Most 2D drawing is implemented
-Missing shaders
-Missing all 3D
-Editor needs to be set on update always to be used, otherwise it does not refresh
-Large parts of editor not working
Diffstat (limited to 'drivers/gles3/rasterizer_canvas_gles3.cpp')
-rw-r--r-- | drivers/gles3/rasterizer_canvas_gles3.cpp | 1461 |
1 files changed, 1461 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp new file mode 100644 index 0000000000..f24560763f --- /dev/null +++ b/drivers/gles3/rasterizer_canvas_gles3.cpp @@ -0,0 +1,1461 @@ +#include "rasterizer_canvas_gles3.h" +#include "os/os.h" + +static _FORCE_INLINE_ void store_matrix32(const Matrix32& p_mtx, float* p_array) { + + p_array[ 0]=p_mtx.elements[0][0]; + p_array[ 1]=p_mtx.elements[0][1]; + p_array[ 2]=0; + p_array[ 3]=0; + p_array[ 4]=p_mtx.elements[1][0]; + p_array[ 5]=p_mtx.elements[1][1]; + p_array[ 6]=0; + p_array[ 7]=0; + p_array[ 8]=0; + p_array[ 9]=0; + p_array[10]=1; + p_array[11]=0; + p_array[12]=p_mtx.elements[2][0]; + p_array[13]=p_mtx.elements[2][1]; + p_array[14]=0; + p_array[15]=1; +} + + +static _FORCE_INLINE_ void store_transform(const Transform& p_mtx, float* p_array) { + p_array[ 0]=p_mtx.basis.elements[0][0]; + p_array[ 1]=p_mtx.basis.elements[1][0]; + p_array[ 2]=p_mtx.basis.elements[2][0]; + p_array[ 3]=0; + p_array[ 4]=p_mtx.basis.elements[0][1]; + p_array[ 5]=p_mtx.basis.elements[1][1]; + p_array[ 6]=p_mtx.basis.elements[2][1]; + p_array[ 7]=0; + p_array[ 8]=p_mtx.basis.elements[0][2]; + p_array[ 9]=p_mtx.basis.elements[1][2]; + p_array[10]=p_mtx.basis.elements[2][2]; + p_array[11]=0; + p_array[12]=p_mtx.origin.x; + p_array[13]=p_mtx.origin.y; + p_array[14]=p_mtx.origin.z; + p_array[15]=1; +} + +static _FORCE_INLINE_ void store_camera(const CameraMatrix& p_mtx, float* p_array) { + + for (int i=0;i<4;i++) { + for (int j=0;j<4;j++) { + + p_array[i*4+j]=p_mtx.matrix[i][j]; + } + } +} + + +RID RasterizerCanvasGLES3::light_internal_create() { + + LightInternal * li = memnew( LightInternal ); + + glGenBuffers(1, &li->ubo); + glBindBuffer(GL_UNIFORM_BUFFER, li->ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(LightInternal::UBOData), &state.canvas_item_ubo_data, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + return light_internal_owner.make_rid(li); +} + +void RasterizerCanvasGLES3::light_internal_update(RID p_rid, Light* p_light) { + + LightInternal * li = light_internal_owner.getornull(p_rid); + ERR_FAIL_COND(!li); + + store_matrix32(p_light->light_shader_xform,li->ubo_data.light_matrix); + store_matrix32(p_light->xform_cache.affine_inverse(),li->ubo_data.local_matrix); + store_camera(p_light->shadow_matrix_cache,li->ubo_data.shadow_matrix); + + for(int i=0;i<4;i++) { + + li->ubo_data.color[i]=p_light->color[i]*p_light->energy; + li->ubo_data.shadow_color[i]=p_light->shadow_color[i]; + } + + li->ubo_data.light_pos[0]=p_light->light_shader_pos.x; + li->ubo_data.light_pos[1]=p_light->light_shader_pos.y; + li->ubo_data.shadowpixel_size=1.0/p_light->shadow_buffer_size; + li->ubo_data.light_outside_alpha=p_light->mode==VS::CANVAS_LIGHT_MODE_MASK?1.0:0.0; + li->ubo_data.light_height=p_light->height; + if (p_light->radius_cache==0) + li->ubo_data.shadow_gradient=0; + else + li->ubo_data.shadow_gradient=p_light->shadow_gradient_length/(p_light->radius_cache*1.1);; + + li->ubo_data.shadow_distance_mult=(p_light->radius_cache*1.1); + + + glBindBuffer(GL_UNIFORM_BUFFER, li->ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0,sizeof(LightInternal::UBOData), &li->ubo_data); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + +} + +void RasterizerCanvasGLES3::light_internal_free(RID p_rid) { + + LightInternal * li = light_internal_owner.getornull(p_rid); + ERR_FAIL_COND(!li); + + glDeleteBuffers(1,&li->ubo); + light_internal_owner.free(p_rid); + memdelete(li); + +} + +void RasterizerCanvasGLES3::canvas_begin(){ + + /*canvas_shader.unbind(); + canvas_shader.set_custom_shader(0); + canvas_shader.set_conditional(CanvasShaderGLES2::USE_MODULATE,false); + canvas_shader.bind(); + canvas_shader.set_uniform(CanvasShaderGLES2::TEXTURE, 0); + canvas_use_modulate=false;*/ + + reset_canvas(); + + state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_TEXTURE_RECT,true); + 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_PCF5,false); + state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF13,false); + state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_DISTANCE_FIELD,false); + + + state.canvas_shader.bind(); + state.canvas_shader.set_uniform(CanvasShaderGLES3::FINAL_MODULATE,Color(1,1,1,1)); + state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX,Matrix32()); + state.canvas_shader.set_uniform(CanvasShaderGLES3::EXTRA_MATRIX,Matrix32()); + + + + +// state.canvas_shader.set_uniform(CanvasShaderGLES3::PROJECTION_MATRIX,state.vp); + //state.canvas_shader.set_uniform(CanvasShaderGLES3::MODELVIEW_MATRIX,Transform()); + //state.canvas_shader.set_uniform(CanvasShaderGLES3::EXTRA_MATRIX,Transform()); + + glBindBufferBase(GL_UNIFORM_BUFFER,0,state.canvas_item_ubo); + glBindVertexArray(data.canvas_quad_array); + state.using_texture_rect=true; + + +} + + +void RasterizerCanvasGLES3::canvas_end(){ + + + glBindVertexArray(0); + glBindBufferBase(GL_UNIFORM_BUFFER,0,0); + + state.using_texture_rect=false; + +} + + + +RasterizerStorageGLES3::Texture* RasterizerCanvasGLES3::_bind_canvas_texture(const RID& p_texture) { + + if (p_texture==state.current_tex) { + return state.current_tex_ptr; + } + + if (p_texture.is_valid()) { + + + RasterizerStorageGLES3::Texture*texture=storage->texture_owner.getornull(p_texture); + + if (!texture) { + state.current_tex=RID(); + state.current_tex_ptr=NULL; + glBindTexture(GL_TEXTURE_2D,storage->resources.white_tex); + return NULL; + } + + if (texture->render_target) + texture->render_target->used_in_frame=true; + + glBindTexture(GL_TEXTURE_2D,texture->tex_id); + state.current_tex=p_texture; + state.current_tex_ptr=texture; + + return texture; + + + } else { + + + glBindTexture(GL_TEXTURE_2D,storage->resources.white_tex); + state.current_tex=RID(); + state.current_tex_ptr=NULL; + } + + + return NULL; +} + +void RasterizerCanvasGLES3::_set_texture_rect_mode(bool p_enable) { + + if (state.using_texture_rect==p_enable) + return; + + if (p_enable) { + glBindVertexArray(data.canvas_quad_array); + + + } else { + glBindVertexArray(0); + glBindBuffer(GL_ARRAY_BUFFER,0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0); + + + } + + state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_TEXTURE_RECT,p_enable); + state.canvas_shader.bind(); + 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); + + + state.using_texture_rect=p_enable; +} + + +void RasterizerCanvasGLES3::_draw_polygon(int p_vertex_count, const int* p_indices, const Vector2* p_vertices, const Vector2* p_uvs, const Color* p_colors,const RID& p_texture,bool p_singlecolor) { + + bool do_colors=false; + Color m; + if (p_singlecolor) { + m = *p_colors; + glVertexAttrib4f(VS::ARRAY_COLOR,m.r,m.g,m.b,m.a); + } else if (!p_colors) { + + glVertexAttrib4f(VS::ARRAY_COLOR,1,1,1,1); + } else + do_colors=true; + + RasterizerStorageGLES3::Texture *texture = _bind_canvas_texture(p_texture); + +#ifndef GLES_NO_CLIENT_ARRAYS + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, sizeof(Vector2), p_vertices ); + if (do_colors) { + + glEnableVertexAttribArray(VS::ARRAY_COLOR); + glVertexAttribPointer( VS::ARRAY_COLOR, 4 ,GL_FLOAT, false, sizeof(Color), p_colors ); + } else { + glDisableVertexAttribArray(VS::ARRAY_COLOR); + } + + if (texture && p_uvs) { + + glEnableVertexAttribArray(VS::ARRAY_TEX_UV); + glVertexAttribPointer( VS::ARRAY_TEX_UV, 2 ,GL_FLOAT, false, sizeof(Vector2), p_uvs ); + } else { + glDisableVertexAttribArray(VS::ARRAY_TEX_UV); + } + + if (p_indices) { +#ifdef GLEW_ENABLED + glDrawElements(GL_TRIANGLES, p_vertex_count, GL_UNSIGNED_INT, p_indices ); +#else + static const int _max_draw_poly_indices = 16*1024; // change this size if needed!!! + ERR_FAIL_COND(p_vertex_count > _max_draw_poly_indices); + static uint16_t _draw_poly_indices[_max_draw_poly_indices]; + for (int i=0; i<p_vertex_count; i++) { + _draw_poly_indices[i] = p_indices[i]; + }; + glDrawElements(GL_TRIANGLES, p_vertex_count, GL_UNSIGNED_SHORT, _draw_poly_indices ); +#endif + } else { + glDrawArrays(GL_TRIANGLES,0,p_vertex_count); + } + + +#else //WebGL specific impl. + glBindBuffer(GL_ARRAY_BUFFER, gui_quad_buffer); + float *b = GlobalVertexBuffer; + int ofs = 0; + if(p_vertex_count > MAX_POLYGON_VERTICES){ + print_line("Too many vertices to render"); + return; + } + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, sizeof(float)*2, ((float*)0)+ofs ); + for(int i=0;i<p_vertex_count;i++) { + b[ofs++]=p_vertices[i].x; + b[ofs++]=p_vertices[i].y; + } + + if (p_colors && do_colors) { + + glEnableVertexAttribArray(VS::ARRAY_COLOR); + glVertexAttribPointer( VS::ARRAY_COLOR, 4 ,GL_FLOAT, false, sizeof(float)*4, ((float*)0)+ofs ); + for(int i=0;i<p_vertex_count;i++) { + b[ofs++]=p_colors[i].r; + b[ofs++]=p_colors[i].g; + b[ofs++]=p_colors[i].b; + b[ofs++]=p_colors[i].a; + } + + } else { + glDisableVertexAttribArray(VS::ARRAY_COLOR); + } + + + if (p_uvs) { + + glEnableVertexAttribArray(VS::ARRAY_TEX_UV); + glVertexAttribPointer( VS::ARRAY_TEX_UV, 2 ,GL_FLOAT, false, sizeof(float)*2, ((float*)0)+ofs ); + for(int i=0;i<p_vertex_count;i++) { + b[ofs++]=p_uvs[i].x; + b[ofs++]=p_uvs[i].y; + } + + } else { + glDisableVertexAttribArray(VS::ARRAY_TEX_UV); + } + + glBufferSubData(GL_ARRAY_BUFFER,0,ofs*4,&b[0]); + + //bind the indices buffer. + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indices_buffer); + + static const int _max_draw_poly_indices = 16*1024; // change this size if needed!!! + ERR_FAIL_COND(p_vertex_count > _max_draw_poly_indices); + static uint16_t _draw_poly_indices[_max_draw_poly_indices]; + for (int i=0; i<p_vertex_count; i++) { + _draw_poly_indices[i] = p_indices[i]; + //OS::get_singleton()->print("ind: %d ", p_indices[i]); + }; + + //copy the data to GPU. + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, p_vertex_count * sizeof(uint16_t), &_draw_poly_indices[0]); + + //draw the triangles. + glDrawElements(GL_TRIANGLES, p_vertex_count, GL_UNSIGNED_SHORT, 0); + + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); +#endif + + storage->frame.canvas_draw_commands++; + +} + +void RasterizerCanvasGLES3::_draw_gui_primitive(int p_points, const Vector2 *p_vertices, const Color* p_colors, const Vector2 *p_uvs) { + + + + static const GLenum prim[5]={GL_POINTS,GL_POINTS,GL_LINES,GL_TRIANGLES,GL_TRIANGLE_FAN}; + + + //#define GLES_USE_PRIMITIVE_BUFFER + +#ifndef GLES_NO_CLIENT_ARRAYS + + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, sizeof(Vector2), p_vertices ); + + if (p_colors) { + + glEnableVertexAttribArray(VS::ARRAY_COLOR); + glVertexAttribPointer( VS::ARRAY_COLOR, 4 ,GL_FLOAT, false, sizeof(Color), p_colors ); + } else { + glDisableVertexAttribArray(VS::ARRAY_COLOR); + } + + if (p_uvs) { + + glEnableVertexAttribArray(VS::ARRAY_TEX_UV); + glVertexAttribPointer( VS::ARRAY_TEX_UV, 2 ,GL_FLOAT, false, sizeof(Vector2), p_uvs ); + } else { + glDisableVertexAttribArray(VS::ARRAY_TEX_UV); + } + + glDrawArrays(prim[p_points],0,p_points); + +#else + + glBindBuffer(GL_ARRAY_BUFFER,gui_quad_buffer); + float b[32]; + int ofs=0; + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, sizeof(float)*2, ((float*)0)+ofs ); + for(int i=0;i<p_points;i++) { + b[ofs++]=p_vertices[i].x; + b[ofs++]=p_vertices[i].y; + } + + if (p_colors) { + + glEnableVertexAttribArray(VS::ARRAY_COLOR); + glVertexAttribPointer( VS::ARRAY_COLOR, 4 ,GL_FLOAT, false, sizeof(float)*4, ((float*)0)+ofs ); + for(int i=0;i<p_points;i++) { + b[ofs++]=p_colors[i].r; + b[ofs++]=p_colors[i].g; + b[ofs++]=p_colors[i].b; + b[ofs++]=p_colors[i].a; + } + + } else { + glDisableVertexAttribArray(VS::ARRAY_COLOR); + } + + + if (p_uvs) { + + glEnableVertexAttribArray(VS::ARRAY_TEX_UV); + glVertexAttribPointer( VS::ARRAY_TEX_UV, 2 ,GL_FLOAT, false, sizeof(float)*2, ((float*)0)+ofs ); + for(int i=0;i<p_points;i++) { + b[ofs++]=p_uvs[i].x; + b[ofs++]=p_uvs[i].y; + } + + } else { + glDisableVertexAttribArray(VS::ARRAY_TEX_UV); + } + + glBufferSubData(GL_ARRAY_BUFFER,0,ofs*4,&b[0]); + glDrawArrays(prim[p_points],0,p_points); + glBindBuffer(GL_ARRAY_BUFFER,0); + + +#endif + + storage->frame.canvas_draw_commands++; +} + +void RasterizerCanvasGLES3::_canvas_item_render_commands(Item *p_item,Item *current_clip,bool &reclip) { + + int cc=p_item->commands.size(); + Item::Command **commands = p_item->commands.ptr(); + + + for(int i=0;i<cc;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()); + + glVertexAttrib4f(VS::ARRAY_COLOR,line->color.r,line->color.g,line->color.b,line->color.a); + + Vector2 verts[2]={ + Vector2(line->from.x,line->from.y), + Vector2(line->to.x,line->to.y) + }; + +#ifdef GLEW_ENABLED + if (line->antialiased) + glEnable(GL_LINE_SMOOTH); +#endif + glLineWidth(line->width); + _draw_gui_primitive(2,verts,NULL,NULL); + +#ifdef GLEW_ENABLED + if (line->antialiased) + glDisable(GL_LINE_SMOOTH); +#endif + + + } break; + case Item::Command::TYPE_RECT: { + + Item::CommandRect* rect = static_cast<Item::CommandRect*>(c); + + _set_texture_rect_mode(true); + + //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); + + 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.pos * texpixel_size, rect->source.size * texpixel_size ) : Rect2(0,0,1,1); + + if (rect->flags&CANVAS_RECT_FLIP_H) { + src_rect.size.x*=-1; + } + + if (rect->flags&CANVAS_RECT_FLIP_V) { + src_rect.size.x*=-1; + } + + if (rect->flags&CANVAS_RECT_TRANSPOSE) { + //err.. + } + + + glVertexAttrib4f(1,rect->rect.pos.x,rect->rect.pos.y,rect->rect.size.x,rect->rect.size.y); + glVertexAttrib4f(2,src_rect.pos.x,src_rect.pos.y,src_rect.size.x,src_rect.size.y); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + + 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 { + + + glVertexAttrib4f(1,rect->rect.pos.x,rect->rect.pos.y,rect->rect.size.x,rect->rect.size.y); + glVertexAttrib4f(2,0,0,1,1); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + + } + + storage->frame.canvas_draw_commands++; + + } break; + + case Item::Command::TYPE_NINEPATCH: { + + Item::CommandNinePatch* np = static_cast<Item::CommandNinePatch*>(c); + + _set_texture_rect_mode(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); + + if ( !texture ) { + + glVertexAttrib4f(1,np->rect.pos.x,np->rect.pos.y,np->rect.size.x,np->rect.size.y); + glVertexAttrib4f(2,0,0,1,1); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + continue; + } + + + Size2 texpixel_size( 1.0/texture->width, 1.0/texture->height ); + +#define DSTRECT(m_x,m_y,m_w,m_h) glVertexAttrib4f(1,m_x,m_y,m_w,m_h) +#define SRCRECT(m_x,m_y,m_w,m_h) glVertexAttrib4f(2,(m_x)*texpixel_size.x,(m_y)*texpixel_size.y,(m_w)*texpixel_size.x,(m_h)*texpixel_size.y) + + //top left + DSTRECT(np->rect.pos.x,np->rect.pos.y,np->margin[MARGIN_LEFT],np->margin[MARGIN_TOP]); + SRCRECT(0,0,np->margin[MARGIN_LEFT],np->margin[MARGIN_TOP]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + //top right + DSTRECT(np->rect.pos.x+np->rect.size.x-np->margin[MARGIN_RIGHT],np->rect.pos.y,np->margin[MARGIN_RIGHT],np->margin[MARGIN_TOP]); + SRCRECT(texture->width-np->margin[MARGIN_RIGHT],0,np->margin[MARGIN_RIGHT],np->margin[MARGIN_TOP]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + //bottom right + DSTRECT(np->rect.pos.x+np->rect.size.x-np->margin[MARGIN_RIGHT],np->rect.pos.y+np->rect.size.y-np->margin[MARGIN_BOTTOM],np->margin[MARGIN_RIGHT],np->margin[MARGIN_BOTTOM]); + SRCRECT(texture->width-np->margin[MARGIN_RIGHT],texture->height-np->margin[MARGIN_BOTTOM],np->margin[MARGIN_RIGHT],np->margin[MARGIN_BOTTOM]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + //bottom left + DSTRECT(np->rect.pos.x,np->rect.pos.y+np->rect.size.y-np->margin[MARGIN_BOTTOM],np->margin[MARGIN_LEFT],np->margin[MARGIN_BOTTOM]); + SRCRECT(0,texture->height-np->margin[MARGIN_BOTTOM],np->margin[MARGIN_LEFT],np->margin[MARGIN_BOTTOM]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + + //top + DSTRECT(np->rect.pos.x+np->margin[MARGIN_LEFT],np->rect.pos.y,np->rect.size.width-np->margin[MARGIN_LEFT]-np->margin[MARGIN_RIGHT],np->margin[MARGIN_TOP]); + SRCRECT(np->margin[MARGIN_LEFT],0,texture->width-np->margin[MARGIN_LEFT]-np->margin[MARGIN_RIGHT],np->margin[MARGIN_TOP]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + //bottom + DSTRECT(np->rect.pos.x+np->margin[MARGIN_LEFT],np->rect.pos.y+np->rect.size.y-np->margin[MARGIN_BOTTOM],np->rect.size.width-np->margin[MARGIN_LEFT]-np->margin[MARGIN_RIGHT],np->margin[MARGIN_TOP]); + SRCRECT(np->margin[MARGIN_LEFT],texture->height-np->margin[MARGIN_BOTTOM],texture->width-np->margin[MARGIN_LEFT]-np->margin[MARGIN_LEFT],np->margin[MARGIN_TOP]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + + //left + DSTRECT(np->rect.pos.x,np->rect.pos.y+np->margin[MARGIN_TOP],np->margin[MARGIN_LEFT],np->rect.size.height-np->margin[MARGIN_TOP]-np->margin[MARGIN_BOTTOM]); + SRCRECT(0,np->margin[MARGIN_TOP],np->margin[MARGIN_LEFT],texture->height-np->margin[MARGIN_TOP]-np->margin[MARGIN_BOTTOM]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + //right + DSTRECT(np->rect.pos.x+np->rect.size.width-np->margin[MARGIN_RIGHT],np->rect.pos.y+np->margin[MARGIN_TOP],np->margin[MARGIN_RIGHT],np->rect.size.height-np->margin[MARGIN_TOP]-np->margin[MARGIN_BOTTOM]); + SRCRECT(texture->width-np->margin[MARGIN_RIGHT],np->margin[MARGIN_TOP],np->margin[MARGIN_RIGHT],texture->height-np->margin[MARGIN_TOP]-np->margin[MARGIN_BOTTOM]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + if (np->draw_center) { + + //center + DSTRECT(np->rect.pos.x+np->margin[MARGIN_LEFT],np->rect.pos.y+np->margin[MARGIN_TOP],np->rect.size.x-np->margin[MARGIN_LEFT]-np->margin[MARGIN_RIGHT],np->rect.size.height-np->margin[MARGIN_TOP]-np->margin[MARGIN_BOTTOM]); + SRCRECT(np->margin[MARGIN_LEFT],np->margin[MARGIN_TOP],texture->width-np->margin[MARGIN_LEFT]-np->margin[MARGIN_RIGHT],texture->height-np->margin[MARGIN_TOP]-np->margin[MARGIN_BOTTOM]); + glDrawArrays(GL_TRIANGLE_FAN,0,4); + + } + +#undef SRCRECT +#undef DSTRECT + + storage->frame.canvas_draw_commands++; + } 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); + + _bind_canvas_texture(primitive->texture); + + if (primitive->colors.size()==1 && primitive->points.size()>1) { + + Color c = primitive->colors[0]; + glVertexAttrib4f(VS::ARRAY_COLOR,c.r,c.g,c.b,c.a); + + } else if (primitive->colors.empty()) { + glVertexAttrib4f(VS::ARRAY_COLOR,1,1,1,1); + } + + _draw_gui_primitive(primitive->points.size(),primitive->points.ptr(),primitive->colors.ptr(),primitive->uvs.ptr()); + + } break; + case Item::Command::TYPE_POLYGON: { + + Item::CommandPolygon* polygon = static_cast<Item::CommandPolygon*>(c); + _set_texture_rect_mode(false); + _draw_polygon(polygon->count,polygon->indices.ptr(),polygon->points.ptr(),polygon->uvs.ptr(),polygon->colors.ptr(),polygon->texture,polygon->colors.size()==1); + + } break; + case Item::Command::TYPE_CIRCLE: { + + _set_texture_rect_mode(false); + + Item::CommandCircle* circle = static_cast<Item::CommandCircle*>(c); + static const int numpoints=32; + Vector2 points[numpoints+1]; + points[numpoints]=circle->pos; + int indices[numpoints*3]; + + for(int i=0;i<numpoints;i++) { + + points[i]=circle->pos+Vector2( Math::sin(i*Math_PI*2.0/numpoints),Math::cos(i*Math_PI*2.0/numpoints) )*circle->radius; + indices[i*3+0]=i; + indices[i*3+1]=(i+1)%numpoints; + indices[i*3+2]=numpoints; + } + _draw_polygon(numpoints*3,indices,points,NULL,&circle->color,RID(),true); + //canvas_draw_circle(circle->indices.size(),circle->indices.ptr(),circle->points.ptr(),circle->uvs.ptr(),circle->colors.ptr(),circle->texture,circle->colors.size()==1); + } break; + case Item::Command::TYPE_TRANSFORM: { + + Item::CommandTransform* transform = static_cast<Item::CommandTransform*>(c); + state.extra_matrix=transform->xform; + state.canvas_shader.set_uniform(CanvasShaderGLES3::EXTRA_MATRIX,state.extra_matrix); + + } break; + case Item::Command::TYPE_CLIP_IGNORE: { + + Item::CommandClipIgnore* ci = static_cast<Item::CommandClipIgnore*>(c); + if (current_clip) { + + if (ci->ignore!=reclip) { + if (ci->ignore) { + + glDisable(GL_SCISSOR_TEST); + reclip=true; + } else { + + glEnable(GL_SCISSOR_TEST); + //glScissor(viewport.x+current_clip->final_clip_rect.pos.x,viewport.y+ (viewport.height-(current_clip->final_clip_rect.pos.y+current_clip->final_clip_rect.size.height)), + //current_clip->final_clip_rect.size.width,current_clip->final_clip_rect.size.height); + + int x = current_clip->final_clip_rect.pos.x; + int y = storage->frame.current_rt->height - ( current_clip->final_clip_rect.pos.y + current_clip->final_clip_rect.size.y ); + int w = current_clip->final_clip_rect.size.x; + int h = current_clip->final_clip_rect.size.y; + + glScissor(x,y,w,h); + + reclip=false; + } + } + } + + + + } break; + } + } +} + +#if 0 +void RasterizerGLES2::_canvas_item_setup_shader_params(CanvasItemMaterial *material,Shader* shader) { + + if (canvas_shader.bind()) + rebind_texpixel_size=true; + + if (material->shader_version!=shader->version) { + //todo optimize uniforms + material->shader_version=shader->version; + } + + if (shader->has_texscreen && framebuffer.active) { + + int x = viewport.x; + int y = window_size.height-(viewport.height+viewport.y); + + canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_SCREEN_MULT,Vector2(float(viewport.width)/framebuffer.width,float(viewport.height)/framebuffer.height)); + canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_SCREEN_CLAMP,Color(float(x)/framebuffer.width,float(y)/framebuffer.height,float(x+viewport.width)/framebuffer.width,float(y+viewport.height)/framebuffer.height)); + canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_TEX,max_texture_units-1); + glActiveTexture(GL_TEXTURE0+max_texture_units-1); + glBindTexture(GL_TEXTURE_2D,framebuffer.sample_color); + if (framebuffer.scale==1 && !canvas_texscreen_used) { +#ifdef GLEW_ENABLED + if (current_rt) { + glReadBuffer(GL_COLOR_ATTACHMENT0); + } else { + glReadBuffer(GL_BACK); + } +#endif + if (current_rt) { + glCopyTexSubImage2D(GL_TEXTURE_2D,0,viewport.x,viewport.y,viewport.x,viewport.y,viewport.width,viewport.height); + canvas_shader.set_uniform(CanvasShaderGLES2::TEXSCREEN_SCREEN_CLAMP,Color(float(x)/framebuffer.width,float(viewport.y)/framebuffer.height,float(x+viewport.width)/framebuffer.width,float(y+viewport.height)/framebuffer.height)); + //window_size.height-(viewport.height+viewport.y) + } else { + glCopyTexSubImage2D(GL_TEXTURE_2D,0,x,y,x,y,viewport.width,viewport.height); + } +// if (current_clip) { +// // print_line(" a clip "); +// } + + canvas_texscreen_used=true; + } + + glActiveTexture(GL_TEXTURE0); + + } + + if (shader->has_screen_uv) { + canvas_shader.set_uniform(CanvasShaderGLES2::SCREEN_UV_MULT,Vector2(1.0/viewport.width,1.0/viewport.height)); + } + + + uses_texpixel_size=shader->uses_texpixel_size; + +} + +#endif + +void RasterizerCanvasGLES3::canvas_render_items(Item *p_item_list,int p_z,const Color& p_modulate,Light *p_light) { + + + if (storage->frame.clear_request) { + // a clear request may be pending, so do it + glClearColor( storage->frame.clear_request_color.r, storage->frame.clear_request_color.g, storage->frame.clear_request_color.b, storage->frame.clear_request_color.a ); + glClear(GL_COLOR_BUFFER_BIT); + storage->frame.clear_request=false; + + + } + + Item *current_clip=NULL; + RasterizerStorageGLES3::Shader *shader_cache=NULL; + + bool rebind_shader=true; + + Size2 rt_size = Size2(storage->frame.current_rt->width,storage->frame.current_rt->height); + + + state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_DISTANCE_FIELD,false); + + glBindBuffer(GL_UNIFORM_BUFFER, state.canvas_item_ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(CanvasItemUBO), &state.canvas_item_ubo_data, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + state.current_tex=RID(); + state.current_tex_ptr=NULL; + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->resources.white_tex); + + + RID canvas_last_material; + + bool prev_distance_field=false; + + while(p_item_list) { + + Item *ci=p_item_list; + + + if (prev_distance_field!=ci->distance_field) { + + state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_DISTANCE_FIELD,ci->distance_field); + prev_distance_field=ci->distance_field; + rebind_shader=true; + } + + + if (current_clip!=ci->final_clip_owner) { + + current_clip=ci->final_clip_owner; + + //setup clip + if (current_clip) { + + glEnable(GL_SCISSOR_TEST); + glScissor(current_clip->final_clip_rect.pos.x,(rt_size.height-(current_clip->final_clip_rect.pos.y+current_clip->final_clip_rect.size.height)),current_clip->final_clip_rect.size.width,current_clip->final_clip_rect.size.height); + + + } else { + + glDisable(GL_SCISSOR_TEST); + } + } +#if 0 + if (ci->copy_back_buffer && framebuffer.active && framebuffer.scale==1) { + + Rect2 rect; + int x,y; + + if (ci->copy_back_buffer->full) { + + x = viewport.x; + y = window_size.height-(viewport.height+viewport.y); + } else { + x = viewport.x+ci->copy_back_buffer->screen_rect.pos.x; + y = window_size.height-(viewport.y+ci->copy_back_buffer->screen_rect.pos.y+ci->copy_back_buffer->screen_rect.size.y); + } + glActiveTexture(GL_TEXTURE0+max_texture_units-1); + glBindTexture(GL_TEXTURE_2D,framebuffer.sample_color); + +#ifdef GLEW_ENABLED + if (current_rt) { + glReadBuffer(GL_COLOR_ATTACHMENT0); + } else { + glReadBuffer(GL_BACK); + } +#endif + if (current_rt) { + glCopyTexSubImage2D(GL_TEXTURE_2D,0,viewport.x,viewport.y,viewport.x,viewport.y,viewport.width,viewport.height); + //window_size.height-(viewport.height+viewport.y) + } else { + glCopyTexSubImage2D(GL_TEXTURE_2D,0,x,y,x,y,viewport.width,viewport.height); + } + + canvas_texscreen_used=true; + glActiveTexture(GL_TEXTURE0); + + } + +#endif + + + //begin rect + Item *material_owner = ci->material_owner?ci->material_owner:ci; + + RID material = material_owner->material; + + if (material!=canvas_last_material || rebind_shader) { +#if 0 + Shader *shader = NULL; + if (material && material->shader.is_valid()) { + shader = shader_owner.get(material->shader); + if (shader && !shader->valid) { + shader=NULL; + } + } + + shader_cache=shader; + + if (shader) { + canvas_shader.set_custom_shader(shader->custom_code_id); + _canvas_item_setup_shader_params(material,shader); + } else { + shader_cache=NULL; + canvas_shader.set_custom_shader(0); + canvas_shader.bind(); + uses_texpixel_size=false; + + } + + + canvas_shader.set_uniform(CanvasShaderGLES3::PROJECTION_MATRIX,canvas_transform); + if (canvas_use_modulate) + reset_modulate=true; + canvas_last_material=material; + rebind_shader=false; +#endif + } + + if (material.is_valid() && shader_cache) { +#if 0 + _canvas_item_setup_shader_uniforms(material,shader_cache); +#endif + } + + bool unshaded = false; //(material && material->shading_mode==VS::CANVAS_ITEM_SHADING_UNSHADED) || ci->blend_mode!=VS::MATERIAL_BLEND_MODE_MIX; + bool reclip=false; +#if 0 + if (ci==p_item_list || ci->blend_mode!=canvas_blend_mode) { + + switch(ci->blend_mode) { + + case VS::MATERIAL_BLEND_MODE_MIX: { + glBlendEquation(GL_FUNC_ADD); + if (current_rt && current_rt_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); + } + + } break; + case VS::MATERIAL_BLEND_MODE_ADD: { + + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(GL_SRC_ALPHA,GL_ONE); + + } break; + case VS::MATERIAL_BLEND_MODE_SUB: { + + glBlendEquation(GL_FUNC_REVERSE_SUBTRACT); + glBlendFunc(GL_SRC_ALPHA,GL_ONE); + } break; + case VS::MATERIAL_BLEND_MODE_MUL: { + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(GL_DST_COLOR,GL_ZERO); + } break; + case VS::MATERIAL_BLEND_MODE_PREMULT_ALPHA: { + glBlendEquation(GL_FUNC_ADD); + glBlendFunc(GL_ONE,GL_ONE_MINUS_SRC_ALPHA); + } break; + + } + + canvas_blend_mode=ci->blend_mode; + } +#endif + +// canvas_shader.set_uniform(CanvasShaderGLES3::CANVAS_MODULATE,unshaded ? Color(1,1,1,1) : p_modulate); + + 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.final_transform = ci->final_transform; + state.extra_matrix=Matrix32(); + + 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 (unshaded || (state.canvas_item_modulate.a>0.001 && (!material.is_valid() /*|| material->shading_mode!=VS::CANVAS_ITEM_SHADING_ONLY_LIGHT*/) && !ci->light_masked )) + _canvas_item_render_commands(ci,current_clip,reclip); + + if (/*canvas_blend_mode==VS::MATERIAL_BLEND_MODE_MIX &&*/ p_light && !unshaded) { + + Light *light = p_light; + bool light_used=false; + VS::CanvasLightMode mode=VS::CANVAS_LIGHT_MODE_ADD; + state.canvas_item_modulate=ci->final_modulate; // remove the canvas modulate + + + while(light) { + + + if (ci->light_mask&light->item_mask && p_z>=light->z_min && p_z<=light->z_max && 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() && 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); + switch(light->shadow_filter) { + + case VS::CANVAS_LIGHT_FILTER_NONE: state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_NEAREST,true); break; + case VS::CANVAS_LIGHT_FILTER_PCF3: state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF3,true); break; + case VS::CANVAS_LIGHT_FILTER_PCF5: state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF5,true); break; + case VS::CANVAS_LIGHT_FILTER_PCF9: state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF9,true); break; + case VS::CANVAS_LIGHT_FILTER_PCF13: state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF13,true); break; + } + + + } + + bool light_rebind = state.canvas_shader.bind(); + + if (light_rebind) { +#if 0 + if (material && shader_cache) { + _canvas_item_setup_shader_params(material,shader_cache); + _canvas_item_setup_shader_uniforms(material,shader_cache); + } +#endif + 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,Matrix32()); + + } + + glBindBufferBase(GL_UNIFORM_BUFFER,1,static_cast<LightInternal*>(light->light_internal.get_data())->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 { + + glBindTexture(t->target,t->tex_id); + } + + glActiveTexture(GL_TEXTURE0); + _canvas_item_render_commands(ci,current_clip,reclip); //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_PCF9,false); + state.canvas_shader.set_conditional(CanvasShaderGLES3::SHADOW_FILTER_PCF13,false); + + + state.canvas_shader.bind(); +#if 0 + if (material && shader_cache) { + _canvas_item_setup_shader_params(material,shader_cache); + _canvas_item_setup_shader_uniforms(material,shader_cache); + } +#endif + + 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,Matrix32()); + 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); + glScissor(current_clip->final_clip_rect.pos.x,(rt_size.height-(current_clip->final_clip_rect.pos.y+current_clip->final_clip_rect.size.height)),current_clip->final_clip_rect.size.width,current_clip->final_clip_rect.size.height); + + + } + + + + p_item_list=p_item_list->next; + } + + if (current_clip) { + glDisable(GL_SCISSOR_TEST); + } + +} + +void RasterizerCanvasGLES3::canvas_debug_viewport_shadows(Light* p_lights_with_shadow){ + + Light* light=p_lights_with_shadow; + + canvas_begin(); //reset + glVertexAttrib4f(VS::ARRAY_COLOR,1,1,1,1); + int h = 10; + int w = storage->frame.current_rt->width; + int ofs = h; + glDisable(GL_BLEND); + + //print_line(" debug lights "); + while(light) { + + + // print_line("debug light"); + if (light->shadow_buffer.is_valid()) { + + // print_line("sb is valid"); + RasterizerStorageGLES3::CanvasLightShadow * sb = storage->canvas_light_shadow_owner.get(light->shadow_buffer); + if (sb) { + glBindTexture(GL_TEXTURE_2D,sb->distance); + //glBindTexture(GL_TEXTURE_2D,storage->resources.white_tex); + draw_generic_textured_rect(Rect2(h,ofs,w-h*2,h),Rect2(0,0,1,1)); + ofs+=h*2; + + } + } + + light=light->shadows_next_ptr; + } +} + + +void RasterizerCanvasGLES3::canvas_light_shadow_buffer_update(RID p_buffer, const Matrix32& p_light_xform, int p_light_mask,float p_near, float p_far, LightOccluderInstance* p_occluders, CameraMatrix *p_xform_cache) { + + RasterizerStorageGLES3::CanvasLightShadow *cls = storage->canvas_light_shadow_owner.get(p_buffer); + ERR_FAIL_COND(!cls); + + + glDisable(GL_BLEND); + glDisable(GL_SCISSOR_TEST); + glDisable(GL_DITHER); + glDisable(GL_CULL_FACE); + glDepthFunc(GL_LEQUAL); + glEnable(GL_DEPTH_TEST); + glDepthMask(true); + + glBindFramebuffer(GL_FRAMEBUFFER, cls->fbo); + + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + state.canvas_shadow_shader.bind(); + + glViewport(0, 0, cls->size,cls->height); + glClearDepth(1.0f); + glClearColor(1,1,1,1); + glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); + + VS::CanvasOccluderPolygonCullMode cull=VS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED; + + + for(int i=0;i<4;i++) { + + //make sure it remains orthogonal, makes easy to read angle later + + Transform light; + light.origin[0]=p_light_xform[2][0]; + light.origin[1]=p_light_xform[2][1]; + light.basis[0][0]=p_light_xform[0][0]; + light.basis[0][1]=p_light_xform[1][0]; + light.basis[1][0]=p_light_xform[0][1]; + light.basis[1][1]=p_light_xform[1][1]; + + //light.basis.scale(Vector3(to_light.elements[0].length(),to_light.elements[1].length(),1)); + + /// p_near=1; + CameraMatrix projection; + { + real_t fov = 90; + real_t near = p_near; + real_t far = p_far; + real_t aspect = 1.0; + + real_t ymax = near * Math::tan( Math::deg2rad( fov * 0.5 ) ); + real_t ymin = - ymax; + real_t xmin = ymin * aspect; + real_t xmax = ymax * aspect; + + projection.set_frustum( xmin, xmax, ymin, ymax, near, far ); + } + + Vector3 cam_target=Matrix3(Vector3(0,0,Math_PI*2*(i/4.0))).xform(Vector3(0,1,0)); + projection = projection * CameraMatrix(Transform().looking_at(cam_target,Vector3(0,0,-1)).affine_inverse()); + + state.canvas_shadow_shader.set_uniform(CanvasShadowShaderGLES3::PROJECTION_MATRIX,projection); + state.canvas_shadow_shader.set_uniform(CanvasShadowShaderGLES3::LIGHT_MATRIX,light); + state.canvas_shadow_shader.set_uniform(CanvasShadowShaderGLES3::DISTANCE_NORM,1.0/p_far); + + + if (i==0) + *p_xform_cache=projection; + + glViewport(0, (cls->height/4)*i, cls->size,cls->height/4); + + LightOccluderInstance *instance=p_occluders; + + while(instance) { + + RasterizerStorageGLES3::CanvasOccluder *cc = storage->canvas_occluder_owner.get(instance->polygon_buffer); + if (!cc || cc->len==0 || !(p_light_mask&instance->light_mask)) { + + instance=instance->next; + continue; + } + + state.canvas_shadow_shader.set_uniform(CanvasShadowShaderGLES3::WORLD_MATRIX,instance->xform_cache); + if (cull!=instance->cull_cache) { + + cull=instance->cull_cache; + switch(cull) { + case VS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED: { + + glDisable(GL_CULL_FACE); + + } break; + case VS::CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE: { + + glEnable(GL_CULL_FACE); + glCullFace(GL_FRONT); + } break; + case VS::CANVAS_OCCLUDER_POLYGON_CULL_COUNTER_CLOCKWISE: { + + glEnable(GL_CULL_FACE); + glCullFace(GL_BACK); + + } break; + } + } +/* + if (i==0) { + for(int i=0;i<cc->lines.size();i++) { + Vector2 p = instance->xform_cache.xform(cc->lines.get(i)); + Plane pp(Vector3(p.x,p.y,0),1); + pp.normal = light.xform(pp.normal); + pp = projection.xform4(pp); + print_line(itos(i)+": "+pp.normal/pp.d); + //pp=light_mat.xform4(pp); + //print_line(itos(i)+": "+pp.normal/pp.d); + } + } +*/ + glBindBuffer(GL_ARRAY_BUFFER,cc->vertex_id); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,cc->index_id); + glVertexAttribPointer(VS::ARRAY_VERTEX, 3, GL_FLOAT, false, 0, 0); + glDrawElements(GL_TRIANGLES,cc->len*3,GL_UNSIGNED_SHORT,0); + + + instance=instance->next; + } + + + } + + glDisableVertexAttribArray(VS::ARRAY_VERTEX); + glBindBuffer(GL_ARRAY_BUFFER,0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0); +} +void RasterizerCanvasGLES3::reset_canvas() { + + + if (storage->frame.current_rt) { + glBindFramebuffer(GL_FRAMEBUFFER, storage->frame.current_rt->front.fbo); + glColorMask(1,1,1,1); //don't touch alpha + } + + + glBindVertexArray(0); + glDisable(GL_CULL_FACE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); +#ifdef GLEW_ENABLED + glDisable(GL_POINT_SPRITE); + glDisable(GL_VERTEX_PROGRAM_POINT_SIZE); +#endif + glEnable(GL_BLEND); + 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 { + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + } + //glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); + glLineWidth(1.0); + glBindBuffer(GL_ARRAY_BUFFER,0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0); + for(int i=0;i<VS::ARRAY_MAX;i++) { + glDisableVertexAttribArray(i); + } + + glActiveTexture(GL_TEXTURE0); + glBindTexture( GL_TEXTURE_2D, storage->resources.white_tex ); + + + glVertexAttrib4f(VS::ARRAY_COLOR,1,1,1,1); + + Transform canvas_transform; + + if (storage->frame.current_rt) { + + float csy = 1.0; + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_VFLIP]) { + csy = -1.0; + } + canvas_transform.translate(-(storage->frame.current_rt->width / 2.0f), -(storage->frame.current_rt->height / 2.0f), 0.0f); + canvas_transform.scale( Vector3( 2.0f / storage->frame.current_rt->width, csy * -2.0f / storage->frame.current_rt->height, 1.0f ) ); + } else { + Vector2 ssize = OS::get_singleton()->get_window_size(); + canvas_transform.translate(-(ssize.width / 2.0f), -(ssize.height / 2.0f), 0.0f); + canvas_transform.scale( Vector3( 2.0f / ssize.width, -2.0f / ssize.height, 1.0f ) ); + + } + + state.vp=canvas_transform; + + store_transform(canvas_transform,state.canvas_item_ubo_data.projection_matrix); + + glBindBuffer(GL_UNIFORM_BUFFER, state.canvas_item_ubo); + glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(CanvasItemUBO), &state.canvas_item_ubo_data); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + + state.canvas_texscreen_used=false; + + +} + + +void RasterizerCanvasGLES3::draw_generic_textured_rect(const Rect2& p_rect, const Rect2& p_src) { + + + glVertexAttrib4f(1,p_rect.pos.x,p_rect.pos.y,p_rect.size.x,p_rect.size.y); + glVertexAttrib4f(2,p_src.pos.x,p_src.pos.y,p_src.size.x,p_src.size.y); + glDrawArrays(GL_TRIANGLE_FAN,0,4); +} + +void RasterizerCanvasGLES3::initialize() { + + + { + //quad buffers + + glGenBuffers(1,&data.canvas_quad_vertices); + glBindBuffer(GL_ARRAY_BUFFER,data.canvas_quad_vertices); + { + const float qv[8]={ + 0,0, + 0,1, + 1,1, + 1,0 + }; + + glBufferData(GL_ARRAY_BUFFER,sizeof(float)*8,qv,GL_STATIC_DRAW); + } + + glBindBuffer(GL_ARRAY_BUFFER,0); //unbind + + + glGenVertexArrays(1,&data.canvas_quad_array); + glBindVertexArray(data.canvas_quad_array); + glBindBuffer(GL_ARRAY_BUFFER,data.canvas_quad_vertices); + glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE,sizeof(float)*2,0); + glEnableVertexAttribArray(0); + glBindVertexArray(0); + glBindBuffer(GL_ARRAY_BUFFER,0); //unbind + } + + + store_transform(Transform(),state.canvas_item_ubo_data.projection_matrix); + + + + glGenBuffers(1, &state.canvas_item_ubo); + glBindBuffer(GL_UNIFORM_BUFFER, state.canvas_item_ubo); + glBufferData(GL_UNIFORM_BUFFER, sizeof(CanvasItemUBO), &state.canvas_item_ubo_data, GL_DYNAMIC_DRAW); + glBindBuffer(GL_UNIFORM_BUFFER, 0); + + state.canvas_shader.init(); + state.canvas_shadow_shader.init(); + + state.canvas_shader.set_conditional(CanvasShaderGLES3::USE_RGBA_SHADOWS,storage->config.use_rgba_2d_shadows); + state.canvas_shadow_shader.set_conditional(CanvasShadowShaderGLES3::USE_RGBA_SHADOWS,storage->config.use_rgba_2d_shadows); + + +} + + +void RasterizerCanvasGLES3::finalize() { + + glDeleteBuffers(1,&data.canvas_quad_vertices); + glDeleteVertexArrays(1,&data.canvas_quad_array); +} + +RasterizerCanvasGLES3::RasterizerCanvasGLES3() +{ + +} |