6f0b4678e2
-=-=-=-=-=-=-=-=-=-= -Sprite3D and AnimatedSprite3D support. -Opaque pre-pass works, is compatible with shadows -Improved shadow map rendering (can differentiate between plain opaque and opaque with shaders/discard/etc) -Added option to use alpha discard in FixedMaterial -Improved Glow FX, many more options (three modes, Additive, Screen and SoftLight), strength and scale -Ability for Background (image or cubemap) to send to glow buffer -Dumb Deploy of clients now actually works in Android -Many Many rendering fixes, 3D is much more usable now.
579 lines
17 KiB
C++
579 lines
17 KiB
C++
/*************************************************************************/
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/* rasterizer.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "rasterizer.h"
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#include "print_string.h"
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#include "os/os.h"
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RID Rasterizer::create_default_material() {
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return material_create();
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}
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/* Fixed MAterial SHADER API */
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RID Rasterizer::_create_shader(const FixedMaterialShaderKey& p_key) {
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ERR_FAIL_COND_V(!p_key.valid,RID());
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Map<FixedMaterialShaderKey,FixedMaterialShader>::Element *E=fixed_material_shaders.find(p_key);
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if (E) {
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E->get().refcount++;
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return E->get().shader;
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}
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uint64_t t = OS::get_singleton()->get_ticks_usec();
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FixedMaterialShader fms;
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fms.refcount=1;
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fms.shader=shader_create();
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//create shader code
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int texcoords_used=0;
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String code;
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static const char* _uv_str[4]={"UV","UV2","uv_xform","uv_sphere"};
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#define _TEXUVSTR(m_idx) String( _uv_str[(p_key.texcoord_mask>>(m_idx*2))&0x3] )
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if (p_key.use_pointsize) {
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code+="UV=POINT_COORD;\n";
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}
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for(int i=0;i<VS::FIXED_MATERIAL_PARAM_MAX;i++) {
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if (p_key.texture_mask&(1<<i))
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texcoords_used|=(1<<((p_key.texcoord_mask>>(i*2))&0x3));
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}
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if (texcoords_used&(1<<VS::FIXED_MATERIAL_TEXCOORD_UV_TRANSFORM)) {
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code+="uniform mat4 fmp_uv_xform;\n";
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code+="vec2 uv_xform = fmp_uv_xform * UV;\n";
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}
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/* HANDLE NORMAL MAPPING */
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if (p_key.texture_mask&(1<<VS::FIXED_MATERIAL_PARAM_NORMAL)) {
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String scode;
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scode+="uniform float fmp_normal;\n";
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scode+="uniform texture fmp_normal_tex;\n";
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String uv_str;
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if ((p_key.texcoord_mask>>(VS::FIXED_MATERIAL_PARAM_NORMAL*2))&0x3==VS::FIXED_MATERIAL_TEXCOORD_SPHERE) {
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uv_str="uv"; //sorry not supported
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} else {
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uv_str=_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_NORMAL);
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}
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scode+="vec3 normal=tex( fmp_normal_tex,"+uv_str+").xyz * 2.0 - vec3(1.0,1.0,1.0);\n";
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scode+="NORMAL = mix( NORMAL,mat3(TANGENT,BINORMAL,NORMAL) * normal, fmp_normal);\n";
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code+=scode;
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}
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//handle sphere uv if used, do it here because it needs the normal, which may be transformed by a normal map
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if (texcoords_used&(1<<VS::FIXED_MATERIAL_TEXCOORD_SPHERE)) {
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String tcode;
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tcode="vec3 eye_normal = normalize(VERTEX);\n";
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tcode+="vec3 ref = (eye_normal - 2.0*dot(NORMAL, eye_normal)*NORMAL);\n";
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tcode+="ref.z+=1.0;\n";
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tcode+="vec2 uv_sphere = ref.xy*vec2(0.5,0.0-0.5)+vec2(0.5,0.0-0.5);\n";
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code+=tcode;
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}
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/* HANDLE DIFFUSE LIGHTING */
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code+="uniform color fmp_diffuse;\n";
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code+="color diffuse=fmp_diffuse;\n";
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if (p_key.use_color_array)
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code+="diffuse*=COLOR;\n";
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if (p_key.texture_mask&(1<<VS::FIXED_MATERIAL_PARAM_DIFFUSE)) {
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code+="uniform texture fmp_diffuse_tex;\n";
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code+="diffuse*=tex( fmp_diffuse_tex,"+_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_DIFFUSE)+");\n";
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}
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if (p_key.texture_mask&(1<<VS::FIXED_MATERIAL_PARAM_DETAIL)) {
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String dcode;
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dcode+="uniform texture fmp_detail_tex;\n";
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dcode+="uniform float fmp_detail;\n";
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dcode+="color detail=tex( fmp_detail_tex,"+_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_DETAIL)+");\n";
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switch(p_key.detail_blend) {
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case VS::MATERIAL_BLEND_MODE_MIX:
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dcode+="diffuse=vec4(mix(diffuse.rgb,detail.rgb,detail.a*fmp_detail),diffuse.a);\n";
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break;
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case VS::MATERIAL_BLEND_MODE_ADD:
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dcode+="diffuse=vec4(diffuse.rgb+detail.rgb*fmp_detail,diffuse.a);\n";
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break;
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case VS::MATERIAL_BLEND_MODE_SUB:
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dcode+="diffuse=vec4(diffuse.rgb+detail.rgb*fmp_detail,diffuse.a);\n";
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break;
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case VS::MATERIAL_BLEND_MODE_MUL:
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dcode+="diffuse=diffuse*mix(vec4(1,1,1,1),detail,fmp_detail);\n";
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break;
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}
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code+=dcode;
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}
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if (p_key.use_alpha) {
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code+="DIFFUSE_ALPHA=diffuse;\n";
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if (p_key.discard_alpha) {
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code+="DISCARD=diffuse.a<0.5;\n";
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}
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} else {
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code+="DIFFUSE=diffuse.rgb;\n";
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}
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/* HANDLE SPECULAR LIGHTING */
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code+="uniform color fmp_specular;\n";
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code+="color specular=fmp_specular;\n";
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if (p_key.texture_mask&(1<<VS::FIXED_MATERIAL_PARAM_SPECULAR)) {
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String scode;
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scode+="uniform texture fmp_specular_tex;\n";
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scode+="specular*=tex( fmp_specular_tex,"+_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_SPECULAR)+");\n";
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code+=scode;
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}
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code+="SPECULAR=specular.rgb;\n";
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code+="uniform float fmp_specular_exp;\n";
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code+="float specular_exp=fmp_specular_exp;\n";
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if (p_key.texture_mask&(1<<VS::FIXED_MATERIAL_PARAM_SPECULAR_EXP)) {
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String scode;
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scode+="uniform texture fmp_specular_exp_tex;\n";
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scode+="specular_exp*=tex( fmp_specular_exp_tex,"+_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_SPECULAR_EXP)+").r;\n";
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code+=scode;
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}
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code+="SPEC_EXP=specular_exp;\n";
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/* HANDLE EMISSION LIGHTING */
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code+="uniform color fmp_emission;\n";
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code+="color emission=fmp_emission;\n";
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if (p_key.texture_mask&(1<<VS::FIXED_MATERIAL_PARAM_EMISSION)) {
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String scode;
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scode+="uniform texture fmp_emission_tex;\n";
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scode+="emission*=tex( fmp_emission_tex,"+_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_EMISSION)+");\n";
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code+=scode;
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}
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code+="EMISSION=emission.rgb;\n";
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/* HANDLE GLOW */
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code+="uniform float fmp_glow;\n";
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code+="float glow=fmp_glow;\n";
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if (p_key.texture_mask&(1<<VS::FIXED_MATERIAL_PARAM_GLOW)) {
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String scode;
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scode+="uniform texture fmp_glow_tex;\n";
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scode+="glow*=tex( fmp_glow_tex,"+_TEXUVSTR(VS::FIXED_MATERIAL_PARAM_GLOW)+").r;\n";
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code+=scode;
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}
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code+="GLOW=glow;\n";
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//print_line("**FRAGMENT SHADER GENERATED code: \n"+code);
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String vcode;
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vcode="uniform float "+_fixed_material_param_names[VS::FIXED_MATERIAL_PARAM_SPECULAR_EXP]+";\n";
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vcode+="SPEC_EXP="+_fixed_material_param_names[VS::FIXED_MATERIAL_PARAM_SPECULAR_EXP]+";\n";
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if (p_key.use_pointsize) {
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vcode+="uniform float "+_fixed_material_point_size_name+";\n";
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vcode+="POINT_SIZE="+_fixed_material_point_size_name+";\n";
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// vcode+="POINT_SIZE=10.0;\n";
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}
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//print_line("**VERTEX SHADER GENERATED code: \n"+vcode);
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double tf = (OS::get_singleton()->get_ticks_usec()-t)/1000.0;
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// print_line("generate: "+rtos(tf));
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shader_set_code(fms.shader,vcode,code,0,0);
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fixed_material_shaders[p_key]=fms;
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return fms.shader;
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}
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void Rasterizer::_free_shader(const FixedMaterialShaderKey& p_key) {
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if (p_key.valid==0)
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return; //not a valid key
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Map<FixedMaterialShaderKey,FixedMaterialShader>::Element *E=fixed_material_shaders.find(p_key);
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ERR_FAIL_COND(!E);
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E->get().refcount--;
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if (E->get().refcount==0) {
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free(E->get().shader);
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fixed_material_shaders.erase(E);
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}
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}
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void Rasterizer::fixed_material_set_flag(RID p_material, VS::FixedMaterialFlags p_flag, bool p_enabled) {
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND(!E);
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FixedMaterial &fm=*E->get();
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switch(p_flag) {
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case VS::FIXED_MATERIAL_FLAG_USE_ALPHA: fm.use_alpha=p_enabled; break;
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case VS::FIXED_MATERIAL_FLAG_USE_COLOR_ARRAY: fm.use_color_array=p_enabled; break;
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case VS::FIXED_MATERIAL_FLAG_USE_POINT_SIZE: fm.use_pointsize=p_enabled; break;
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case VS::FIXED_MATERIAL_FLAG_DISCARD_ALPHA: fm.discard_alpha=p_enabled; break;
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}
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if (!fm.dirty_list.in_list())
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fixed_material_dirty_list.add( &fm.dirty_list );
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}
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bool Rasterizer::fixed_material_get_flag(RID p_material, VS::FixedMaterialFlags p_flag) const{
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const Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND_V(!E,false);
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const FixedMaterial &fm=*E->get();
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switch(p_flag) {
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case VS::FIXED_MATERIAL_FLAG_USE_ALPHA: return fm.use_alpha;; break;
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case VS::FIXED_MATERIAL_FLAG_USE_COLOR_ARRAY: return fm.use_color_array;; break;
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case VS::FIXED_MATERIAL_FLAG_USE_POINT_SIZE: return fm.use_pointsize;; break;
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case VS::FIXED_MATERIAL_FLAG_DISCARD_ALPHA: return fm.discard_alpha;; break;
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}
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return false;
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}
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RID Rasterizer::fixed_material_create() {
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RID mat = material_create();
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fixed_materials[mat]=memnew( FixedMaterial() );
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FixedMaterial &fm=*fixed_materials[mat];
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fm.self=mat;
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fm.get_key();
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for(int i=0;i<VS::FIXED_MATERIAL_PARAM_MAX;i++) {
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material_set_param(mat,_fixed_material_param_names[i],fm.param[i]); //must be there
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}
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fixed_material_dirty_list.add(&fm.dirty_list);
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//print_line("FMC: "+itos(mat.get_id()));
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return mat;
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}
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void Rasterizer::fixed_material_set_parameter(RID p_material, VS::FixedMaterialParam p_parameter, const Variant& p_value){
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND(!E);
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FixedMaterial &fm=*E->get();
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RID material=E->key();
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ERR_FAIL_INDEX(p_parameter,VS::FIXED_MATERIAL_PARAM_MAX);
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if ((p_parameter==VS::FIXED_MATERIAL_PARAM_DIFFUSE || p_parameter==VS::FIXED_MATERIAL_PARAM_SPECULAR || p_parameter==VS::FIXED_MATERIAL_PARAM_EMISSION)) {
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if (p_value.get_type()!=Variant::COLOR) {
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ERR_EXPLAIN(String(_fixed_material_param_names[p_parameter])+" expects Color");
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ERR_FAIL();
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}
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} else {
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if (!p_value.is_num()) {
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ERR_EXPLAIN(String(_fixed_material_param_names[p_parameter])+" expects scalar");
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ERR_FAIL();
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}
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}
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fm.param[p_parameter]=p_value;
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VS::get_singleton()->material_set_param(material,_fixed_material_param_names[p_parameter],p_value);
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}
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Variant Rasterizer::fixed_material_get_parameter(RID p_material,VS::FixedMaterialParam p_parameter) const{
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const Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND_V(!E,Variant());
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const FixedMaterial &fm=*E->get();
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ERR_FAIL_INDEX_V(p_parameter,VS::FIXED_MATERIAL_PARAM_MAX,Variant());
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return fm.param[p_parameter];
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}
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void Rasterizer::fixed_material_set_texture(RID p_material,VS::FixedMaterialParam p_parameter, RID p_texture){
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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if (!E) {
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print_line("Not found: "+itos(p_material.get_id()));
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}
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ERR_FAIL_COND(!E);
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FixedMaterial &fm=*E->get();
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ERR_FAIL_INDEX(p_parameter,VS::FIXED_MATERIAL_PARAM_MAX);
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RID material=E->key();
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fm.texture[p_parameter]=p_texture;
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VS::get_singleton()->material_set_param(material,_fixed_material_tex_names[p_parameter],p_texture);
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if (!fm.dirty_list.in_list())
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fixed_material_dirty_list.add( &fm.dirty_list );
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}
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RID Rasterizer::fixed_material_get_texture(RID p_material,VS::FixedMaterialParam p_parameter) const{
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const Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND_V(!E,RID());
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const FixedMaterial &fm=*E->get();
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ERR_FAIL_INDEX_V(p_parameter,VS::FIXED_MATERIAL_PARAM_MAX,RID());
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return fm.texture[p_parameter];
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}
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void Rasterizer::fixed_material_set_detail_blend_mode(RID p_material,VS::MaterialBlendMode p_mode){
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND(!E);
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FixedMaterial &fm=*E->get();
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fm.get_key();
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ERR_FAIL_INDEX(p_mode,4);
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fm.detail_blend=p_mode;
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if (!fm.dirty_list.in_list())
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fixed_material_dirty_list.add( &fm.dirty_list );
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}
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VS::MaterialBlendMode Rasterizer::fixed_material_get_detail_blend_mode(RID p_material) const{
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const Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND_V(!E,VS::MATERIAL_BLEND_MODE_MIX);
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const FixedMaterial &fm=*E->get();
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return fm.detail_blend;
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}
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void Rasterizer::fixed_material_set_texcoord_mode(RID p_material,VS::FixedMaterialParam p_parameter, VS::FixedMaterialTexCoordMode p_mode) {
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND(!E);
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FixedMaterial &fm=*E->get();
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ERR_FAIL_INDEX(p_parameter,VS::FIXED_MATERIAL_PARAM_MAX);
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fm.get_key();
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fm.texture_tc[p_parameter]=p_mode;
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if (!fm.dirty_list.in_list())
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fixed_material_dirty_list.add( &fm.dirty_list );
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}
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VS::FixedMaterialTexCoordMode Rasterizer::fixed_material_get_texcoord_mode(RID p_material,VS::FixedMaterialParam p_parameter) const {
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const Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND_V(!E,VS::FIXED_MATERIAL_TEXCOORD_UV);
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const FixedMaterial &fm=*E->get();
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ERR_FAIL_INDEX_V(p_parameter,VS::FIXED_MATERIAL_PARAM_MAX,VS::FIXED_MATERIAL_TEXCOORD_UV);
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return fm.texture_tc[p_parameter];
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}
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void Rasterizer::fixed_material_set_uv_transform(RID p_material,const Transform& p_transform) {
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND(!E);
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FixedMaterial &fm=*E->get();
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RID material=E->key();
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VS::get_singleton()->material_set_param(material,_fixed_material_uv_xform_name,p_transform);
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fm.uv_xform=p_transform;
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}
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Transform Rasterizer::fixed_material_get_uv_transform(RID p_material) const {
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const Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND_V(!E,Transform());
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const FixedMaterial &fm=*E->get();
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return fm.uv_xform;
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}
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void Rasterizer::fixed_material_set_point_size(RID p_material,float p_size) {
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND(!E);
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FixedMaterial &fm=*E->get();
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RID material=E->key();
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VS::get_singleton()->material_set_param(material,_fixed_material_point_size_name,p_size);
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fm.point_size=p_size;
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}
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float Rasterizer::fixed_material_get_point_size(RID p_material) const{
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const Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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ERR_FAIL_COND_V(!E,1.0);
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const FixedMaterial &fm=*E->get();
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return fm.point_size;
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}
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void Rasterizer::_update_fixed_materials() {
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while(fixed_material_dirty_list.first()) {
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FixedMaterial &fm=*fixed_material_dirty_list.first()->self();
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FixedMaterialShaderKey new_key = fm.get_key();
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if (new_key.key!=fm.current_key.key) {
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_free_shader(fm.current_key);
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RID new_rid = _create_shader(new_key);
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fm.current_key=new_key;
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material_set_shader(fm.self,new_rid);
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if (fm.texture[VS::FIXED_MATERIAL_PARAM_DETAIL].is_valid()) {
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//send these again just in case.
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material_set_param(fm.self,_fixed_material_param_names[VS::FIXED_MATERIAL_PARAM_DETAIL],fm.param[VS::FIXED_MATERIAL_PARAM_DETAIL]);
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}
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if (fm.texture[VS::FIXED_MATERIAL_PARAM_NORMAL].is_valid()) {
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//send these again just in case.
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material_set_param(fm.self,_fixed_material_param_names[VS::FIXED_MATERIAL_PARAM_NORMAL],fm.param[VS::FIXED_MATERIAL_PARAM_NORMAL]);
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}
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material_set_param(fm.self,_fixed_material_uv_xform_name,fm.uv_xform);
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if (fm.use_pointsize)
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material_set_param(fm.self,_fixed_material_point_size_name,fm.point_size);
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}
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fixed_material_dirty_list.remove(fixed_material_dirty_list.first());
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}
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}
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void Rasterizer::_free_fixed_material(const RID& p_material) {
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Map<RID,FixedMaterial*>::Element *E = fixed_materials.find(p_material);
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if (E) {
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_free_shader(E->get()->current_key); //free shader
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if (E->get()->dirty_list.in_list())
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fixed_material_dirty_list.remove( &E->get()->dirty_list);
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memdelete(E->get());
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fixed_materials.erase(E); //free material
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}
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}
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void Rasterizer::flush_frame() {
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//not really necesary to implement
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}
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Rasterizer::Rasterizer() {
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static const char* fm_names[VS::FIXED_MATERIAL_PARAM_MAX]={
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"diffuse",
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"detail",
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"specular",
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"emission",
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"specular_exp",
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"glow",
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"normal",
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"shade_param"};
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for(int i=0;i<VS::FIXED_MATERIAL_PARAM_MAX;i++) {
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_fixed_material_param_names[i]=String("fmp_")+fm_names[i];
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_fixed_material_tex_names[i]=String("fmp_")+fm_names[i]+"_tex";
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}
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_fixed_material_uv_xform_name="fmp_uv_xform";
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_fixed_material_point_size_name="fmp_point_size";
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}
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RID Rasterizer::create_overdraw_debug_material() {
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RID mat = fixed_material_create();
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fixed_material_set_parameter( mat,VisualServer::FIXED_MATERIAL_PARAM_SPECULAR,Color(0,0,0) );
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fixed_material_set_parameter( mat,VisualServer::FIXED_MATERIAL_PARAM_DIFFUSE,Color(0.1,0.1,0.2) );
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fixed_material_set_parameter( mat,VisualServer::FIXED_MATERIAL_PARAM_EMISSION,Color(0,0,0) );
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fixed_material_set_flag( mat, VS::FIXED_MATERIAL_FLAG_USE_ALPHA, true);
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material_set_flag( mat, VisualServer::MATERIAL_FLAG_UNSHADED, true );
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material_set_blend_mode( mat,VisualServer::MATERIAL_BLEND_MODE_ADD );
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return mat;
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}
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