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godot/drivers/gles3/rasterizer_storage_gles3.cpp

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#include "rasterizer_storage_gles3.h"
#include "globals.h"
/* TEXTURE API */
#define _EXT_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
#define _EXT_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
#define _EXT_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
#define _EXT_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
#define _EXT_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT 0x8A54
#define _EXT_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT 0x8A55
#define _EXT_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT 0x8A56
#define _EXT_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT 0x8A57
#define _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#define _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#define _EXT_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
#define _EXT_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT 0x8C71
#define _EXT_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
#define _EXT_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT 0x8C73
#define _EXT_COMPRESSED_RED_RGTC1_EXT 0x8DBB
#define _EXT_COMPRESSED_RED_RGTC1 0x8DBB
#define _EXT_COMPRESSED_SIGNED_RED_RGTC1 0x8DBC
#define _EXT_COMPRESSED_RG_RGTC2 0x8DBD
#define _EXT_COMPRESSED_SIGNED_RG_RGTC2 0x8DBE
#define _EXT_COMPRESSED_SIGNED_RED_RGTC1_EXT 0x8DBC
#define _EXT_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD
#define _EXT_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT 0x8DBE
#define _EXT_ETC1_RGB8_OES 0x8D64
#define _EXT_SLUMINANCE_NV 0x8C46
#define _EXT_SLUMINANCE_ALPHA_NV 0x8C44
#define _EXT_SRGB8_NV 0x8C41
#define _EXT_SLUMINANCE8_NV 0x8C47
#define _EXT_SLUMINANCE8_ALPHA8_NV 0x8C45
#define _EXT_COMPRESSED_SRGB_S3TC_DXT1_NV 0x8C4C
#define _EXT_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_NV 0x8C4D
#define _EXT_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_NV 0x8C4E
#define _EXT_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_NV 0x8C4F
#define _EXT_ATC_RGB_AMD 0x8C92
#define _EXT_ATC_RGBA_EXPLICIT_ALPHA_AMD 0x8C93
#define _EXT_ATC_RGBA_INTERPOLATED_ALPHA_AMD 0x87EE
#define _TEXTURE_SRGB_DECODE_EXT 0x8A48
#define _DECODE_EXT 0x8A49
#define _SKIP_DECODE_EXT 0x8A4A
#define _GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#define _GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
Image RasterizerStorageGLES3::_get_gl_image_and_format(const Image& p_image, Image::Format p_format, uint32_t p_flags,GLenum& r_gl_format,GLenum& r_gl_internal_format,GLenum &r_gl_type,bool &r_compressed,bool &srgb) {
r_compressed=false;
r_gl_format=0;
Image image=p_image;
srgb=false;
bool need_decompress=false;
switch(p_format) {
case Image::FORMAT_L8: {
r_gl_internal_format=GL_LUMINANCE;
r_gl_format=GL_LUMINANCE;
r_gl_type=GL_UNSIGNED_BYTE;
} break;
case Image::FORMAT_LA8: {
r_gl_internal_format=GL_LUMINANCE_ALPHA;
r_gl_format=GL_LUMINANCE_ALPHA;
r_gl_type=GL_UNSIGNED_BYTE;
} break;
case Image::FORMAT_R8: {
r_gl_internal_format=GL_R8;
r_gl_format=GL_RED;
r_gl_type=GL_UNSIGNED_BYTE;
} break;
case Image::FORMAT_RG8: {
r_gl_internal_format=GL_RG8;
r_gl_format=GL_RG;
r_gl_type=GL_UNSIGNED_BYTE;
} break;
case Image::FORMAT_RGB8: {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?GL_SRGB8:GL_RGB8;
r_gl_format=GL_RGB;
r_gl_type=GL_UNSIGNED_BYTE;
srgb=true;
} break;
case Image::FORMAT_RGBA8: {
r_gl_format=GL_RGBA;
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?GL_SRGB8_ALPHA8:GL_RGBA8;
r_gl_type=GL_UNSIGNED_BYTE;
srgb=true;
} break;
case Image::FORMAT_RGB565: {
r_gl_internal_format=GL_RGB565;
r_gl_format=GL_RGB;
r_gl_type=GL_UNSIGNED_SHORT_5_6_5;
} break;
case Image::FORMAT_RGBA4444: {
r_gl_internal_format=GL_RGBA4;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_SHORT_4_4_4_4;
} break;
case Image::FORMAT_RGBA5551: {
r_gl_internal_format=GL_RGB5_A1;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_SHORT_5_5_5_1;
} break;
case Image::FORMAT_RF: {
r_gl_internal_format=GL_R32F;
r_gl_format=GL_RED;
r_gl_type=GL_FLOAT;
} break;
case Image::FORMAT_RGF: {
r_gl_internal_format=GL_RG32F;
r_gl_format=GL_RG;
r_gl_type=GL_FLOAT;
} break;
case Image::FORMAT_RGBF: {
r_gl_internal_format=GL_RGB32F;
r_gl_format=GL_RGB;
r_gl_type=GL_FLOAT;
} break;
case Image::FORMAT_RGBAF: {
r_gl_internal_format=GL_RGBA32F;
r_gl_format=GL_RGBA;
r_gl_type=GL_FLOAT;
} break;
case Image::FORMAT_RH: {
r_gl_internal_format=GL_R32F;
r_gl_format=GL_RED;
r_gl_type=GL_HALF_FLOAT;
} break;
case Image::FORMAT_RGH: {
r_gl_internal_format=GL_RG32F;
r_gl_format=GL_RG;
r_gl_type=GL_HALF_FLOAT;
} break;
case Image::FORMAT_RGBH: {
r_gl_internal_format=GL_RGB32F;
r_gl_format=GL_RGB;
r_gl_type=GL_HALF_FLOAT;
} break;
case Image::FORMAT_RGBAH: {
r_gl_internal_format=GL_RGBA32F;
r_gl_format=GL_RGBA;
r_gl_type=GL_HALF_FLOAT;
} break;
case Image::FORMAT_DXT1: {
if (config.s3tc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?_EXT_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_NV:_EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_DXT3: {
if (config.s3tc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?_EXT_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_NV:_EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_DXT5: {
if (config.s3tc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?_EXT_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_NV:_EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ATI1: {
if (config.latc_supported) {
r_gl_internal_format=_EXT_COMPRESSED_LUMINANCE_LATC1_EXT;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ATI2: {
if (config.latc_supported) {
r_gl_internal_format=_EXT_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_BPTC_RGBA: {
if (config.bptc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:GL_COMPRESSED_RGBA_BPTC_UNORM;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_BPTC_RGBF: {
if (config.bptc_supported) {
r_gl_internal_format=GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT;
r_gl_format=GL_RGB;
r_gl_type=GL_FLOAT;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_BPTC_RGBFU: {
if (config.bptc_supported) {
r_gl_internal_format=GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT;
r_gl_format=GL_RGB;
r_gl_type=GL_FLOAT;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_PVRTC2: {
if (config.pvrtc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?_EXT_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT:_EXT_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_PVRTC2A: {
if (config.pvrtc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?_EXT_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT:_EXT_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_PVRTC4: {
if (config.pvrtc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?_EXT_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT:_EXT_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_PVRTC4A: {
if (config.pvrtc_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?_EXT_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT:_EXT_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC: {
if (config.etc_supported) {
r_gl_internal_format=_EXT_ETC1_RGB8_OES;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC2_R11: {
if (config.etc2_supported) {
r_gl_internal_format=GL_COMPRESSED_R11_EAC;
r_gl_format=GL_RED;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC2_R11S: {
if (config.etc2_supported) {
r_gl_internal_format=GL_COMPRESSED_SIGNED_R11_EAC;
r_gl_format=GL_RED;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC2_RG11: {
if (config.etc2_supported) {
r_gl_internal_format=GL_COMPRESSED_RG11_EAC;
r_gl_format=GL_RG;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC2_RG11S: {
if (config.etc2_supported) {
r_gl_internal_format=GL_COMPRESSED_SIGNED_RG11_EAC;
r_gl_format=GL_RG;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC2_RGB8: {
if (config.etc2_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?GL_COMPRESSED_SRGB8_ETC2:GL_COMPRESSED_RGB8_ETC2;
r_gl_format=GL_RGB;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC2_RGBA8: {
if (config.etc2_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:GL_COMPRESSED_RGBA8_ETC2_EAC;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
case Image::FORMAT_ETC2_RGB8A1: {
if (config.etc2_supported) {
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
r_gl_format=GL_RGBA;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=true;
srgb=true;
} else {
need_decompress=true;
}
} break;
default: {
ERR_FAIL_V(Image());
}
}
if (need_decompress) {
if (!image.empty()) {
image.decompress();
ERR_FAIL_COND_V(image.is_compressed(),image);
image.convert(Image::FORMAT_RGBA8);
}
r_gl_format=GL_RGBA;
r_gl_internal_format=(config.srgb_decode_supported || p_flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR)?GL_SRGB8_ALPHA8:GL_RGBA8;
r_gl_type=GL_UNSIGNED_BYTE;
r_compressed=false;
srgb=true;
return image;
}
return image;
}
static const GLenum _cube_side_enum[6]={
GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
GL_TEXTURE_CUBE_MAP_POSITIVE_X,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
};
RID RasterizerStorageGLES3::texture_create() {
Texture *texture = memnew(Texture);
ERR_FAIL_COND_V(!texture,RID());
glGenTextures(1, &texture->tex_id);
texture->active=false;
texture->total_data_size=0;
return texture_owner.make_rid( texture );
}
void RasterizerStorageGLES3::texture_allocate(RID p_texture,int p_width, int p_height,Image::Format p_format,uint32_t p_flags) {
int components;
GLenum format;
GLenum internal_format;
GLenum type;
bool compressed;
bool srgb;
if (p_flags&VS::TEXTURE_FLAG_USED_FOR_STREAMING) {
p_flags&=~VS::TEXTURE_FLAG_MIPMAPS; // no mipies for video
}
Texture *texture = texture_owner.get( p_texture );
ERR_FAIL_COND(!texture);
texture->width=p_width;
texture->height=p_height;
texture->format=p_format;
texture->flags=p_flags;
texture->target = (p_flags & VS::TEXTURE_FLAG_CUBEMAP) ? GL_TEXTURE_CUBE_MAP : GL_TEXTURE_2D;
_get_gl_image_and_format(Image(),texture->format,texture->flags,format,internal_format,type,compressed,srgb);
texture->alloc_width = texture->width;
texture->alloc_height = texture->height;
texture->gl_format_cache=format;
texture->gl_type_cache=type;
texture->gl_internal_format_cache=internal_format;
texture->compressed=compressed;
texture->srgb=srgb;
texture->data_size=0;
texture->mipmaps=1;
glActiveTexture(GL_TEXTURE0);
glBindTexture(texture->target, texture->tex_id);
if (p_flags&VS::TEXTURE_FLAG_USED_FOR_STREAMING) {
//prealloc if video
glTexImage2D(texture->target, 0, internal_format, p_width, p_height, 0, format, type,NULL);
}
texture->active=true;
}
void RasterizerStorageGLES3::texture_set_data(RID p_texture,const Image& p_image,VS::CubeMapSide p_cube_side) {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND(!texture);
ERR_FAIL_COND(!texture->active);
ERR_FAIL_COND(texture->render_target);
ERR_FAIL_COND(texture->format != p_image.get_format() );
ERR_FAIL_COND( p_image.empty() );
GLenum type;
GLenum format;
GLenum internal_format;
bool compressed;
bool srgb;
Image img = _get_gl_image_and_format(p_image, p_image.get_format(),texture->flags,format,internal_format,type,compressed,srgb);
if (config.shrink_textures_x2 && (p_image.has_mipmaps() || !p_image.is_compressed()) && !(texture->flags&VS::TEXTURE_FLAG_USED_FOR_STREAMING)) {
texture->alloc_height = MAX(1,texture->alloc_height/2);
texture->alloc_width = MAX(1,texture->alloc_width/2);
if (texture->alloc_width == img.get_width()/2 && texture->alloc_height == img.get_height()/2) {
img.shrink_x2();
} else if (img.get_format() <= Image::FORMAT_RGB565) {
img.resize(texture->alloc_width, texture->alloc_height, Image::INTERPOLATE_BILINEAR);
}
};
GLenum blit_target = (texture->target == GL_TEXTURE_CUBE_MAP)?_cube_side_enum[p_cube_side]:GL_TEXTURE_2D;
texture->data_size=img.get_data().size();
DVector<uint8_t>::Read read = img.get_data().read();
glActiveTexture(GL_TEXTURE0);
glBindTexture(texture->target, texture->tex_id);
texture->ignore_mipmaps = compressed && !img.has_mipmaps();
if (texture->flags&VS::TEXTURE_FLAG_MIPMAPS && !texture->ignore_mipmaps)
glTexParameteri(texture->target,GL_TEXTURE_MIN_FILTER,config.use_fast_texture_filter?GL_LINEAR_MIPMAP_NEAREST:GL_LINEAR_MIPMAP_LINEAR);
else {
if (texture->flags&VS::TEXTURE_FLAG_FILTER) {
glTexParameteri(texture->target,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
} else {
glTexParameteri(texture->target,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
}
}
if (config.srgb_decode_supported && srgb) {
if (texture->flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR) {
glTexParameteri(texture->target,_TEXTURE_SRGB_DECODE_EXT,_DECODE_EXT);
} else {
glTexParameteri(texture->target,_TEXTURE_SRGB_DECODE_EXT,_SKIP_DECODE_EXT);
}
}
if (texture->flags&VS::TEXTURE_FLAG_FILTER) {
glTexParameteri(texture->target,GL_TEXTURE_MAG_FILTER,GL_LINEAR); // Linear Filtering
} else {
glTexParameteri(texture->target,GL_TEXTURE_MAG_FILTER,GL_NEAREST); // raw Filtering
}
if ((texture->flags&VS::TEXTURE_FLAG_REPEAT || texture->flags&VS::TEXTURE_FLAG_MIRRORED_REPEAT) && texture->target != GL_TEXTURE_CUBE_MAP) {
if (texture->flags&VS::TEXTURE_FLAG_MIRRORED_REPEAT){
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT );
}
else{
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
}
} else {
//glTexParameterf( texture->target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE );
glTexParameterf( texture->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
glTexParameterf( texture->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
}
if (config.use_anisotropic_filter) {
if (texture->flags&VS::TEXTURE_FLAG_ANISOTROPIC_FILTER) {
glTexParameterf(texture->target, _GL_TEXTURE_MAX_ANISOTROPY_EXT, config.anisotropic_level);
} else {
glTexParameterf(texture->target, _GL_TEXTURE_MAX_ANISOTROPY_EXT, 1);
}
}
int mipmaps= (texture->flags&VS::TEXTURE_FLAG_MIPMAPS && img.has_mipmaps()) ? img.get_mipmap_count() +1: 1;
int w=img.get_width();
int h=img.get_height();
int tsize=0;
for(int i=0;i<mipmaps;i++) {
int size,ofs;
img.get_mipmap_offset_and_size(i,ofs,size);
//print_line("mipmap: "+itos(i)+" size: "+itos(size)+" w: "+itos(mm_w)+", h: "+itos(mm_h));
if (texture->compressed) {
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glCompressedTexImage2D( blit_target, i, format,w,h,0,size,&read[ofs] );
} else {
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
if (texture->flags&VS::TEXTURE_FLAG_USED_FOR_STREAMING) {
glTexSubImage2D( blit_target, i, 0,0,w, h,format,type,&read[ofs] );
} else {
glTexImage2D(blit_target, i, internal_format, w, h, 0, format, type,&read[ofs]);
}
}
tsize+=size;
w = MAX(1,w>>1);
h = MAX(1,h>>1);
}
info.texture_mem-=texture->total_data_size;
texture->total_data_size=tsize;
info.texture_mem+=texture->total_data_size;
//printf("texture: %i x %i - size: %i - total: %i\n",texture->width,texture->height,tsize,_rinfo.texture_mem);
if (texture->flags&VS::TEXTURE_FLAG_MIPMAPS && mipmaps==1 && !texture->ignore_mipmaps) {
//generate mipmaps if they were requested and the image does not contain them
glGenerateMipmap(texture->target);
}
texture->mipmaps=mipmaps;
//texture_set_flags(p_texture,texture->flags);
}
Image RasterizerStorageGLES3::texture_get_data(RID p_texture,VS::CubeMapSide p_cube_side) const {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND_V(!texture,Image());
ERR_FAIL_COND_V(!texture->active,Image());
ERR_FAIL_COND_V(texture->data_size==0,Image());
ERR_FAIL_COND_V(texture->render_target,Image());
#ifdef GLEW_ENABLED
DVector<uint8_t> data;
int data_size = Image::get_image_data_size(texture->width,texture->height,texture->format,texture->mipmaps>1?-1:0);
data.resize(data_size);
DVector<uint8_t>::Write wb = data.write();
glActiveTexture(GL_TEXTURE0);
glBindTexture(texture->target,texture->tex_id);
for(int i=0;i<texture->mipmaps;i++) {
int ofs=0;
if (i>0) {
ofs=Image::get_image_data_size(texture->alloc_width,texture->alloc_height,texture->format,i-1);
}
if (texture->compressed) {
glPixelStorei(GL_PACK_ALIGNMENT, 4);
glGetCompressedTexImage(texture->target,i,&wb[ofs]);
} else {
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glGetTexImage(texture->target,i,texture->gl_format_cache,texture->gl_type_cache,&wb[ofs]);
}
}
wb=DVector<uint8_t>::Write();
Image img(texture->alloc_width,texture->alloc_height,texture->mipmaps>1?true:false,texture->format,data);
return img;
#else
ERR_EXPLAIN("Sorry, It's not posible to obtain images back in OpenGL ES");
#endif
}
void RasterizerStorageGLES3::texture_set_flags(RID p_texture,uint32_t p_flags) {
Texture *texture = texture_owner.get( p_texture );
ERR_FAIL_COND(!texture);
if (texture->render_target) {
p_flags&=VS::TEXTURE_FLAG_FILTER;//can change only filter
}
bool had_mipmaps = texture->flags&VS::TEXTURE_FLAG_MIPMAPS;
glActiveTexture(GL_TEXTURE0);
glBindTexture(texture->target, texture->tex_id);
uint32_t cube = texture->flags & VS::TEXTURE_FLAG_CUBEMAP;
texture->flags=p_flags|cube; // can't remove a cube from being a cube
if ((texture->flags&VS::TEXTURE_FLAG_REPEAT || texture->flags&VS::TEXTURE_FLAG_MIRRORED_REPEAT) && texture->target != GL_TEXTURE_CUBE_MAP) {
if (texture->flags&VS::TEXTURE_FLAG_MIRRORED_REPEAT){
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT );
}
else {
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
}
} else {
//glTexParameterf( texture->target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE );
glTexParameterf( texture->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE );
glTexParameterf( texture->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE );
}
if (config.use_anisotropic_filter) {
if (texture->flags&VS::TEXTURE_FLAG_ANISOTROPIC_FILTER) {
glTexParameterf(texture->target, _GL_TEXTURE_MAX_ANISOTROPY_EXT, config.anisotropic_level);
} else {
glTexParameterf(texture->target, _GL_TEXTURE_MAX_ANISOTROPY_EXT, 1);
}
}
if (texture->flags&VS::TEXTURE_FLAG_MIPMAPS && !texture->ignore_mipmaps) {
if (!had_mipmaps && texture->mipmaps==1) {
glGenerateMipmap(texture->target);
}
glTexParameteri(texture->target,GL_TEXTURE_MIN_FILTER,config.use_fast_texture_filter?GL_LINEAR_MIPMAP_NEAREST:GL_LINEAR_MIPMAP_LINEAR);
} else{
if (texture->flags&VS::TEXTURE_FLAG_FILTER) {
glTexParameteri(texture->target,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
} else {
glTexParameteri(texture->target,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
}
}
if (config.srgb_decode_supported && texture->srgb) {
if (texture->flags&VS::TEXTURE_FLAG_CONVERT_TO_LINEAR) {
glTexParameteri(texture->target,_TEXTURE_SRGB_DECODE_EXT,_DECODE_EXT);
} else {
glTexParameteri(texture->target,_TEXTURE_SRGB_DECODE_EXT,_SKIP_DECODE_EXT);
}
}
if (texture->flags&VS::TEXTURE_FLAG_FILTER) {
glTexParameteri(texture->target,GL_TEXTURE_MAG_FILTER,GL_LINEAR); // Linear Filtering
} else {
glTexParameteri(texture->target,GL_TEXTURE_MAG_FILTER,GL_NEAREST); // raw Filtering
}
}
uint32_t RasterizerStorageGLES3::texture_get_flags(RID p_texture) const {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND_V(!texture,0);
return texture->flags;
}
Image::Format RasterizerStorageGLES3::texture_get_format(RID p_texture) const {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND_V(!texture,Image::FORMAT_L8);
return texture->format;
}
uint32_t RasterizerStorageGLES3::texture_get_width(RID p_texture) const {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND_V(!texture,0);
return texture->width;
}
uint32_t RasterizerStorageGLES3::texture_get_height(RID p_texture) const {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND_V(!texture,0);
return texture->height;
}
void RasterizerStorageGLES3::texture_set_size_override(RID p_texture,int p_width, int p_height) {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND(!texture);
ERR_FAIL_COND(texture->render_target);
ERR_FAIL_COND(p_width<=0 || p_width>16384);
ERR_FAIL_COND(p_height<=0 || p_height>16384);
//real texture size is in alloc width and height
texture->width=p_width;
texture->height=p_height;
}
void RasterizerStorageGLES3::texture_set_path(RID p_texture,const String& p_path) {
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND(!texture);
texture->path=p_path;
}
String RasterizerStorageGLES3::texture_get_path(RID p_texture) const{
Texture * texture = texture_owner.get(p_texture);
ERR_FAIL_COND_V(!texture,String());
return texture->path;
}
void RasterizerStorageGLES3::texture_debug_usage(List<VS::TextureInfo> *r_info){
List<RID> textures;
texture_owner.get_owned_list(&textures);
for (List<RID>::Element *E=textures.front();E;E=E->next()) {
Texture *t = texture_owner.get(E->get());
if (!t)
continue;
VS::TextureInfo tinfo;
tinfo.path=t->path;
tinfo.format=t->format;
tinfo.size.x=t->alloc_width;
tinfo.size.y=t->alloc_height;
tinfo.bytes=t->total_data_size;
r_info->push_back(tinfo);
}
}
void RasterizerStorageGLES3::texture_set_shrink_all_x2_on_set_data(bool p_enable) {
config.shrink_textures_x2=p_enable;
}
/* SHADER API */
RID RasterizerStorageGLES3::shader_create(VS::ShaderMode p_mode){
return RID();
}
void RasterizerStorageGLES3::shader_set_mode(RID p_shader,VS::ShaderMode p_mode){
}
VS::ShaderMode RasterizerStorageGLES3::shader_get_mode(RID p_shader) const {
return VS::SHADER_SPATIAL;
}
void RasterizerStorageGLES3::shader_set_code(RID p_shader, const String& p_code){
}
String RasterizerStorageGLES3::shader_get_code(RID p_shader) const{
return String();
}
void RasterizerStorageGLES3::shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const{
}
void RasterizerStorageGLES3::shader_set_default_texture_param(RID p_shader, const StringName& p_name, RID p_texture){
}
RID RasterizerStorageGLES3::shader_get_default_texture_param(RID p_shader, const StringName& p_name) const{
return RID();
}
/* COMMON MATERIAL API */
RID RasterizerStorageGLES3::material_create(){
return RID();
}
void RasterizerStorageGLES3::material_set_shader(RID p_shader_material, RID p_shader){
}
RID RasterizerStorageGLES3::material_get_shader(RID p_shader_material) const{
return RID();
}
void RasterizerStorageGLES3::material_set_param(RID p_material, const StringName& p_param, const Variant& p_value){
}
Variant RasterizerStorageGLES3::material_get_param(RID p_material, const StringName& p_param) const{
return Variant();
}
/* MESH API */
RID RasterizerStorageGLES3::mesh_create(){
return RID();
}
void RasterizerStorageGLES3::mesh_add_surface(RID p_mesh,uint32_t p_format,VS::PrimitiveType p_primitive,const DVector<uint8_t>& p_array,int p_vertex_count,const DVector<uint8_t>& p_index_array,int p_index_count,const Vector<DVector<uint8_t> >& p_blend_shapes){
}
void RasterizerStorageGLES3::mesh_set_morph_target_count(RID p_mesh,int p_amount){
}
int RasterizerStorageGLES3::mesh_get_morph_target_count(RID p_mesh) const{
return 0;
}
void RasterizerStorageGLES3::mesh_set_morph_target_mode(RID p_mesh,VS::MorphTargetMode p_mode){
}
VS::MorphTargetMode RasterizerStorageGLES3::mesh_get_morph_target_mode(RID p_mesh) const{
return VS::MORPH_MODE_NORMALIZED;
}
void RasterizerStorageGLES3::mesh_surface_set_material(RID p_mesh, int p_surface, RID p_material){
}
RID RasterizerStorageGLES3::mesh_surface_get_material(RID p_mesh, int p_surface) const{
return RID();
}
int RasterizerStorageGLES3::mesh_surface_get_array_len(RID p_mesh, int p_surface) const{
return 0;
}
int RasterizerStorageGLES3::mesh_surface_get_array_index_len(RID p_mesh, int p_surface) const{
return 0;
}
DVector<uint8_t> RasterizerStorageGLES3::mesh_surface_get_array(RID p_mesh, int p_surface) const{
return DVector<uint8_t>();
}
DVector<uint8_t> RasterizerStorageGLES3::mesh_surface_get_index_array(RID p_mesh, int p_surface) const{
return DVector<uint8_t>();
}
uint32_t RasterizerStorageGLES3::mesh_surface_get_format(RID p_mesh, int p_surface) const{
return 0;
}
VS::PrimitiveType RasterizerStorageGLES3::mesh_surface_get_primitive_type(RID p_mesh, int p_surface) const{
return VS::PRIMITIVE_MAX;
}
void RasterizerStorageGLES3::mesh_remove_surface(RID p_mesh,int p_index){
}
int RasterizerStorageGLES3::mesh_get_surface_count(RID p_mesh) const{
return 0;
}
void RasterizerStorageGLES3::mesh_set_custom_aabb(RID p_mesh,const AABB& p_aabb){
}
AABB RasterizerStorageGLES3::mesh_get_custom_aabb(RID p_mesh) const{
return AABB();
}
AABB RasterizerStorageGLES3::mesh_get_aabb(RID p_mesh) const{
return AABB();
}
void RasterizerStorageGLES3::mesh_clear(RID p_mesh){
}
/* MULTIMESH API */
RID RasterizerStorageGLES3::multimesh_create(){
return RID();
}
void RasterizerStorageGLES3::multimesh_allocate(RID p_multimesh,int p_instances,VS::MultimeshTransformFormat p_transform_format,VS::MultimeshColorFormat p_color_format,bool p_gen_aabb){
}
int RasterizerStorageGLES3::multimesh_get_instance_count(RID p_multimesh) const{
return 0;
}
void RasterizerStorageGLES3::multimesh_set_mesh(RID p_multimesh,RID p_mesh){
}
void RasterizerStorageGLES3::multimesh_set_custom_aabb(RID p_multimesh,const AABB& p_aabb){
}
void RasterizerStorageGLES3::multimesh_instance_set_transform(RID p_multimesh,int p_index,const Transform& p_transform){
}
void RasterizerStorageGLES3::multimesh_instance_set_transform_2d(RID p_multimesh,int p_index,const Matrix32& p_transform){
}
void RasterizerStorageGLES3::multimesh_instance_set_color(RID p_multimesh,int p_index,const Color& p_color){
}
RID RasterizerStorageGLES3::multimesh_get_mesh(RID p_multimesh) const{
return RID();
}
AABB RasterizerStorageGLES3::multimesh_get_custom_aabb(RID p_multimesh) const{
return AABB();
}
Transform RasterizerStorageGLES3::multimesh_instance_get_transform(RID p_multimesh,int p_index) const{
return Transform();
}
Matrix32 RasterizerStorageGLES3::multimesh_instance_get_transform_2d(RID p_multimesh,int p_index) const{
return Matrix32();
}
Color RasterizerStorageGLES3::multimesh_instance_get_color(RID p_multimesh,int p_index) const{
return Color();
}
void RasterizerStorageGLES3::multimesh_set_visible_instances(RID p_multimesh,int p_visible){
}
int RasterizerStorageGLES3::multimesh_get_visible_instances(RID p_multimesh) const{
return 0;
}
AABB RasterizerStorageGLES3::multimesh_get_aabb(RID p_mesh) const{
return AABB();
}
/* IMMEDIATE API */
RID RasterizerStorageGLES3::immediate_create(){
return RID();
}
void RasterizerStorageGLES3::immediate_begin(RID p_immediate,VS::PrimitiveType p_rimitive,RID p_texture){
}
void RasterizerStorageGLES3::immediate_vertex(RID p_immediate,const Vector3& p_vertex){
}
void RasterizerStorageGLES3::immediate_vertex_2d(RID p_immediate,const Vector3& p_vertex){
}
void RasterizerStorageGLES3::immediate_normal(RID p_immediate,const Vector3& p_normal){
}
void RasterizerStorageGLES3::immediate_tangent(RID p_immediate,const Plane& p_tangent){
}
void RasterizerStorageGLES3::immediate_color(RID p_immediate,const Color& p_color){
}
void RasterizerStorageGLES3::immediate_uv(RID p_immediate,const Vector2& tex_uv){
}
void RasterizerStorageGLES3::immediate_uv2(RID p_immediate,const Vector2& tex_uv){
}
void RasterizerStorageGLES3::immediate_end(RID p_immediate){
}
void RasterizerStorageGLES3::immediate_clear(RID p_immediate){
}
void RasterizerStorageGLES3::immediate_set_material(RID p_immediate,RID p_material){
}
RID RasterizerStorageGLES3::immediate_get_material(RID p_immediate) const{
return RID();
}
/* SKELETON API */
RID RasterizerStorageGLES3::skeleton_create(){
return RID();
}
void RasterizerStorageGLES3::skeleton_allocate(RID p_skeleton,int p_bones,bool p_2d_skeleton){
}
int RasterizerStorageGLES3::skeleton_get_bone_count(RID p_skeleton) const{
return 0;
}
void RasterizerStorageGLES3::skeleton_bone_set_transform(RID p_skeleton,int p_bone, const Transform& p_transform){
}
Transform RasterizerStorageGLES3::skeleton_bone_get_transform(RID p_skeleton,int p_bone) const{
return Transform();
}
void RasterizerStorageGLES3::skeleton_bone_set_transform_2d(RID p_skeleton,int p_bone, const Matrix32& p_transform){
}
Matrix32 RasterizerStorageGLES3::skeleton_bone_get_transform_2d(RID p_skeleton,int p_bone) const{
return Matrix32();
}
/* Light API */
RID RasterizerStorageGLES3::light_create(VS::LightType p_type){
return RID();
}
void RasterizerStorageGLES3::light_set_color(RID p_light,const Color& p_color){
}
void RasterizerStorageGLES3::light_set_param(RID p_light,VS::LightParam p_param,float p_value){
}
void RasterizerStorageGLES3::light_set_shadow(RID p_light,bool p_enabled){
}
void RasterizerStorageGLES3::light_set_projector(RID p_light,RID p_texture){
}
void RasterizerStorageGLES3::light_set_attenuation_texure(RID p_light,RID p_texture){
}
void RasterizerStorageGLES3::light_set_negative(RID p_light,bool p_enable){
}
void RasterizerStorageGLES3::light_set_cull_mask(RID p_light,uint32_t p_mask){
}
void RasterizerStorageGLES3::light_set_shader(RID p_light,RID p_shader){
}
void RasterizerStorageGLES3::light_directional_set_shadow_mode(RID p_light,VS::LightDirectionalShadowMode p_mode){
}
/* PROBE API */
RID RasterizerStorageGLES3::reflection_probe_create(){
return RID();
}
void RasterizerStorageGLES3::reflection_probe_set_intensity(RID p_probe, float p_intensity){
}
void RasterizerStorageGLES3::reflection_probe_set_clip(RID p_probe, float p_near, float p_far){
}
void RasterizerStorageGLES3::reflection_probe_set_min_blend_distance(RID p_probe, float p_distance){
}
void RasterizerStorageGLES3::reflection_probe_set_extents(RID p_probe, const Vector3& p_extents){
}
void RasterizerStorageGLES3::reflection_probe_set_origin_offset(RID p_probe, const Vector3& p_offset){
}
void RasterizerStorageGLES3::reflection_probe_set_enable_parallax_correction(RID p_probe, bool p_enable){
}
void RasterizerStorageGLES3::reflection_probe_set_resolution(RID p_probe, int p_resolution){
}
void RasterizerStorageGLES3::reflection_probe_set_hide_skybox(RID p_probe, bool p_hide){
}
void RasterizerStorageGLES3::reflection_probe_set_cull_mask(RID p_probe, uint32_t p_layers){
}
/* ROOM API */
RID RasterizerStorageGLES3::room_create(){
return RID();
}
void RasterizerStorageGLES3::room_add_bounds(RID p_room, const DVector<Vector2>& p_convex_polygon,float p_height,const Transform& p_transform){
}
void RasterizerStorageGLES3::room_clear_bounds(RID p_room){
}
/* PORTAL API */
// portals are only (x/y) points, forming a convex shape, which its clockwise
// order points outside. (z is 0);
RID RasterizerStorageGLES3::portal_create(){
return RID();
}
void RasterizerStorageGLES3::portal_set_shape(RID p_portal, const Vector<Point2>& p_shape){
}
void RasterizerStorageGLES3::portal_set_enabled(RID p_portal, bool p_enabled){
}
void RasterizerStorageGLES3::portal_set_disable_distance(RID p_portal, float p_distance){
}
void RasterizerStorageGLES3::portal_set_disabled_color(RID p_portal, const Color& p_color){
}
/* RENDER TARGET */
void RasterizerStorageGLES3::_render_target_clear(RenderTarget *rt) {
if (rt->front.fbo) {
glDeleteFramebuffers(1,&rt->front.fbo);
glDeleteTextures(1,&rt->front.color);
rt->front.fbo=0;
}
if (rt->back.fbo) {
glDeleteFramebuffers(1,&rt->back.fbo);
glDeleteTextures(1,&rt->back.color);
rt->back.fbo=0;
}
if (rt->deferred.fbo) {
glDeleteFramebuffers(1,&rt->deferred.fbo);
glDeleteFramebuffers(1,&rt->deferred.fbo_color);
glDeleteTextures(1,&rt->deferred.albedo_ao);
glDeleteTextures(1,&rt->deferred.normal_special);
glDeleteTextures(1,&rt->deferred.metal_rough_motion);
rt->deferred.fbo=0;
rt->deferred.fbo_color=0;
}
if (rt->depth) {
glDeleteRenderbuffers(1,&rt->depth);
rt->depth=0;
}
Texture *tex = texture_owner.get(rt->texture);
tex->alloc_height=0;
tex->alloc_width=0;
tex->width=0;
tex->height=0;
}
void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt){
if (rt->width<=0 || rt->height<=0)
return;
glActiveTexture(GL_TEXTURE0);
glGenFramebuffers(1, &rt->front.fbo);
glBindFramebuffer(GL_FRAMEBUFFER, rt->front.fbo);
glGenRenderbuffers(1, &rt->depth);
glBindRenderbuffer(GL_RENDERBUFFER, rt->depth );
if (config.fbo_format==FBO_FORMAT_16_BITS) {
glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH_COMPONENT16, rt->width, rt->height);
} else {
glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH24_STENCIL8, rt->width, rt->height);
}
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth);
glBindRenderbuffer(GL_RENDERBUFFER, 0 );
glGenTextures(1, &rt->front.color);
glBindTexture(GL_TEXTURE_2D, rt->front.color);
GLuint color_internal_format;
GLuint color_format;
GLuint color_type;
Image::Format image_format;
if (config.fbo_format==FBO_FORMAT_16_BITS) {
if (rt->flags[RENDER_TARGET_TRANSPARENT]) {
color_internal_format=GL_RGB5_A1;
color_format=GL_RGBA;
color_type=GL_UNSIGNED_SHORT_5_5_5_1;
image_format=Image::FORMAT_RGBA5551;
} else {
color_internal_format=GL_RGB565;
color_format=GL_RGB;
color_type=GL_UNSIGNED_SHORT_5_6_5;
image_format=Image::FORMAT_RGB565;
}
} else if (config.fbo_format==FBO_FORMAT_32_BITS || (config.fbo_format==FBO_FORMAT_FLOAT && rt->flags[RENDER_TARGET_NO_3D])) {
if (rt->flags[RENDER_TARGET_TRANSPARENT]) {
color_internal_format=GL_RGBA8;
color_format=GL_RGBA;
color_type=GL_UNSIGNED_BYTE;
image_format=Image::FORMAT_RGBA8;
} else {
color_internal_format=GL_RGB10_A2;
color_format=GL_RGBA;
color_type=GL_UNSIGNED_INT_2_10_10_10_REV;
image_format=Image::FORMAT_RGBA8;//todo
}
} else if (config.fbo_format==FBO_FORMAT_FLOAT) {
color_internal_format=GL_RGBA16F;
color_format=GL_RGBA;
color_type=GL_HALF_FLOAT;
image_format=Image::FORMAT_RGBAH;
}
glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->front.color, 0);
{
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
glBindFramebuffer(GL_FRAMEBUFFER, config.system_fbo);
ERR_FAIL_COND( status != GL_FRAMEBUFFER_COMPLETE );
}
Texture *tex = texture_owner.get(rt->texture);
tex->format=image_format;
tex->gl_format_cache=color_format;
tex->gl_type_cache=color_type;
tex->gl_internal_format_cache=color_internal_format;
tex->tex_id=rt->front.color;
tex->width=rt->width;
tex->alloc_width=rt->width;
tex->height=rt->height;
tex->alloc_height=rt->height;
texture_set_flags(rt->texture,tex->flags);
if (!rt->flags[RENDER_TARGET_NO_SAMPLING]) {
glGenFramebuffers(1, &rt->back.fbo);
glBindFramebuffer(GL_FRAMEBUFFER, rt->back.fbo);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth);
glGenTextures(1, &rt->back.color);
glBindTexture(GL_TEXTURE_2D, rt->back.color);
glTexImage2D(GL_TEXTURE_2D, 0, color_internal_format, rt->width, rt->height, 0, color_format, color_type, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->back.color, 0);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
glBindFramebuffer(GL_FRAMEBUFFER, config.system_fbo);
if (status != GL_FRAMEBUFFER_COMPLETE) {
_render_target_clear(rt);
ERR_FAIL_COND( status != GL_FRAMEBUFFER_COMPLETE );
}
}
if (config.fbo_deferred && !rt->flags[RENDER_TARGET_NO_3D]) {
//regular fbo
glGenFramebuffers(1, &rt->deferred.fbo);
glBindFramebuffer(GL_FRAMEBUFFER, rt->deferred.fbo);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth);
glGenTextures(1, &rt->deferred.albedo_ao);
glBindTexture(GL_TEXTURE_2D, rt->deferred.albedo_ao);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->deferred.albedo_ao, 0);
glGenTextures(1, &rt->deferred.metal_rough_motion);
glBindTexture(GL_TEXTURE_2D, rt->deferred.metal_rough_motion);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, rt->deferred.metal_rough_motion, 0);
glGenTextures(1, &rt->deferred.normal_special);
glBindTexture(GL_TEXTURE_2D, rt->deferred.normal_special);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, rt->width, rt->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, GL_TEXTURE_2D, rt->deferred.normal_special, 0);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
glBindFramebuffer(GL_FRAMEBUFFER, config.system_fbo);
if (status != GL_FRAMEBUFFER_COMPLETE) {
_render_target_clear(rt);
ERR_FAIL_COND( status != GL_FRAMEBUFFER_COMPLETE );
}
//regular fbo with color attachment (needed for emission or objects rendered as forward)
glGenFramebuffers(1, &rt->deferred.fbo_color);
glBindFramebuffer(GL_FRAMEBUFFER, rt->deferred.fbo_color);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->deferred.albedo_ao, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, rt->deferred.metal_rough_motion, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, GL_TEXTURE_2D, rt->deferred.normal_special, 0);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3, GL_TEXTURE_2D, rt->front.color, 0);
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
glBindFramebuffer(GL_FRAMEBUFFER, config.system_fbo);
if (status != GL_FRAMEBUFFER_COMPLETE) {
_render_target_clear(rt);
ERR_FAIL_COND( status != GL_FRAMEBUFFER_COMPLETE );
}
}
}
RID RasterizerStorageGLES3::render_target_create(){
RenderTarget *rt = memnew( RenderTarget );
Texture * t = memnew( Texture );
t->flags=0;
t->width=0;
t->height=0;
t->alloc_height=0;
t->alloc_width=0;
t->format=Image::FORMAT_R8;
t->target=GL_TEXTURE_2D;
t->gl_format_cache=0;
t->gl_internal_format_cache=0;
t->gl_type_cache=0;
t->data_size=0;
t->compressed=false;
t->srgb=false;
t->total_data_size=0;
t->ignore_mipmaps=false;
t->mipmaps=0;
t->active=true;
t->tex_id=0;
rt->texture=texture_owner.make_rid(t);
return render_target_owner.make_rid(rt);
}
void RasterizerStorageGLES3::render_target_set_size(RID p_render_target,int p_width, int p_height){
RenderTarget *rt = render_target_owner.getornull(p_render_target);
ERR_FAIL_COND(!rt);
if (rt->width==p_width && rt->height==p_height)
return;
_render_target_clear(rt);
rt->width=p_width;
rt->height=p_height;
_render_target_allocate(rt);
}
RID RasterizerStorageGLES3::render_target_get_texture(RID p_render_target) const{
RenderTarget *rt = render_target_owner.getornull(p_render_target);
ERR_FAIL_COND_V(!rt,RID());
return rt->texture;
}
void RasterizerStorageGLES3::render_target_set_flag(RID p_render_target,RenderTargetFlags p_flag,bool p_value) {
RenderTarget *rt = render_target_owner.getornull(p_render_target);
ERR_FAIL_COND(!rt);
rt->flags[p_flag]=p_value;
switch(p_flag) {
case RENDER_TARGET_NO_3D:
case RENDER_TARGET_TRANSPARENT: {
//must reset for these formats
_render_target_clear(rt);
_render_target_allocate(rt);
} break;
default: {}
}
}
bool RasterizerStorageGLES3::render_target_renedered_in_frame(RID p_render_target){
return false;
}
/* CANVAS SHADOW */
RID RasterizerStorageGLES3::canvas_light_shadow_buffer_create(int p_width) {
CanvasLightShadow *cls = memnew( CanvasLightShadow );
if (p_width>config.max_texture_size)
p_width=config.max_texture_size;
cls->size=p_width;
cls->height=16;
glActiveTexture(GL_TEXTURE0);
glGenFramebuffers(1, &cls->fbo);
glBindFramebuffer(GL_FRAMEBUFFER, cls->fbo);
glGenRenderbuffers(1, &cls->depth);
glBindRenderbuffer(GL_RENDERBUFFER, cls->depth );
glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH_COMPONENT24, cls->size, cls->height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, cls->depth);
glBindRenderbuffer(GL_RENDERBUFFER, 0 );
glGenTextures(1,&cls->distance);
glBindTexture(GL_TEXTURE_2D, cls->distance);
if (config.use_rgba_2d_shadows) {
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, cls->size, cls->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
} else {
glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, cls->size, cls->height, 0, GL_RED, GL_FLOAT, NULL);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, cls->distance, 0);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
//printf("errnum: %x\n",status);
glBindFramebuffer(GL_FRAMEBUFFER, config.system_fbo);
ERR_FAIL_COND_V( status != GL_FRAMEBUFFER_COMPLETE, RID() );
return canvas_light_shadow_owner.make_rid(cls);
}
/* LIGHT SHADOW MAPPING */
RID RasterizerStorageGLES3::canvas_light_occluder_create() {
CanvasOccluder *co = memnew( CanvasOccluder );
co->index_id=0;
co->vertex_id=0;
co->len=0;
return canvas_occluder_owner.make_rid(co);
}
void RasterizerStorageGLES3::canvas_light_occluder_set_polylines(RID p_occluder, const DVector<Vector2>& p_lines) {
CanvasOccluder *co = canvas_occluder_owner.get(p_occluder);
ERR_FAIL_COND(!co);
co->lines=p_lines;
if (p_lines.size()!=co->len) {
if (co->index_id)
glDeleteBuffers(1,&co->index_id);
if (co->vertex_id)
glDeleteBuffers(1,&co->vertex_id);
co->index_id=0;
co->vertex_id=0;
co->len=0;
}
if (p_lines.size()) {
DVector<float> geometry;
DVector<uint16_t> indices;
int lc = p_lines.size();
geometry.resize(lc*6);
indices.resize(lc*3);
DVector<float>::Write vw=geometry.write();
DVector<uint16_t>::Write iw=indices.write();
DVector<Vector2>::Read lr=p_lines.read();
const int POLY_HEIGHT = 16384;
for(int i=0;i<lc/2;i++) {
vw[i*12+0]=lr[i*2+0].x;
vw[i*12+1]=lr[i*2+0].y;
vw[i*12+2]=POLY_HEIGHT;
vw[i*12+3]=lr[i*2+1].x;
vw[i*12+4]=lr[i*2+1].y;
vw[i*12+5]=POLY_HEIGHT;
vw[i*12+6]=lr[i*2+1].x;
vw[i*12+7]=lr[i*2+1].y;
vw[i*12+8]=-POLY_HEIGHT;
vw[i*12+9]=lr[i*2+0].x;
vw[i*12+10]=lr[i*2+0].y;
vw[i*12+11]=-POLY_HEIGHT;
iw[i*6+0]=i*4+0;
iw[i*6+1]=i*4+1;
iw[i*6+2]=i*4+2;
iw[i*6+3]=i*4+2;
iw[i*6+4]=i*4+3;
iw[i*6+5]=i*4+0;
}
//if same buffer len is being set, just use BufferSubData to avoid a pipeline flush
if (!co->vertex_id) {
glGenBuffers(1,&co->vertex_id);
glBindBuffer(GL_ARRAY_BUFFER,co->vertex_id);
glBufferData(GL_ARRAY_BUFFER,lc*6*sizeof(real_t),vw.ptr(),GL_STATIC_DRAW);
} else {
glBindBuffer(GL_ARRAY_BUFFER,co->vertex_id);
glBufferSubData(GL_ARRAY_BUFFER,0,lc*6*sizeof(real_t),vw.ptr());
}
glBindBuffer(GL_ARRAY_BUFFER,0); //unbind
if (!co->index_id) {
glGenBuffers(1,&co->index_id);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,co->index_id);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,lc*3*sizeof(uint16_t),iw.ptr(),GL_STATIC_DRAW);
} else {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,co->index_id);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER,0,lc*3*sizeof(uint16_t),iw.ptr());
}
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0); //unbind
co->len=lc;
}
}
bool RasterizerStorageGLES3::free(RID p_rid){
if (render_target_owner.owns(p_rid)) {
RenderTarget *rt = render_target_owner.getornull(p_rid);
_render_target_clear(rt);
Texture *t=texture_owner.get(rt->texture);
texture_owner.free(rt->texture);
memdelete(t);
render_target_owner.free(p_rid);
memdelete(rt);
} else if (texture_owner.owns(p_rid)) {
// delete the texture
Texture *texture = texture_owner.get(p_rid);
ERR_FAIL_COND_V(texture->render_target,true); //cant free the render target texture, dude
info.texture_mem-=texture->total_data_size;
texture_owner.free(p_rid);
memdelete(texture);
} else if (canvas_occluder_owner.owns(p_rid)) {
CanvasOccluder *co = canvas_occluder_owner.get(p_rid);
if (co->index_id)
glDeleteBuffers(1,&co->index_id);
if (co->vertex_id)
glDeleteBuffers(1,&co->vertex_id);
canvas_occluder_owner.free(p_rid);
memdelete(co);
} else if (canvas_light_shadow_owner.owns(p_rid)) {
CanvasLightShadow *cls = canvas_light_shadow_owner.get(p_rid);
glDeleteFramebuffers(1,&cls->fbo);
glDeleteRenderbuffers(1,&cls->depth);
glDeleteTextures(1,&cls->distance);
canvas_light_shadow_owner.free(p_rid);
memdelete(cls);
} else {
return false;
}
return true;
}
////////////////////////////////////////////
void RasterizerStorageGLES3::initialize() {
config.fbo_format=FBOFormat(int(Globals::get_singleton()->get("rendering/gles3/framebuffer_format")));
config.fbo_deferred=int(Globals::get_singleton()->get("rendering/gles3/lighting_technique"));
config.system_fbo=0;
//// extensions config
///
{
Vector<String> ext= String((const char*)glGetString( GL_EXTENSIONS )).split(" ",false);
for(int i=0;i<ext.size();i++) {
config.extensions.insert(ext[i]);
}
}
config.shrink_textures_x2=false;
config.use_fast_texture_filter=int(Globals::get_singleton()->get("rendering/gles3/use_nearest_mipmap_filter"));
config.use_anisotropic_filter = config.extensions.has("GL_EXT_texture_filter_anisotropic");
config.s3tc_supported=config.extensions.has("GL_EXT_texture_compression_dxt1") || config.extensions.has("GL_EXT_texture_compression_s3tc") || config.extensions.has("WEBGL_compressed_texture_s3tc");
config.etc_supported=config.extensions.has("GL_OES_compressed_ETC1_RGB8_texture");
config.latc_supported=config.extensions.has("GL_EXT_texture_compression_latc");
config.bptc_supported=config.extensions.has("GL_ARB_texture_compression_bptc");
#ifdef GLEW_ENABLED
config.etc2_supported=false;
#else
config.etc2_supported=true;
#endif
config.pvrtc_supported=config.extensions.has("GL_IMG_texture_compression_pvrtc");
config.srgb_decode_supported=config.extensions.has("GL_EXT_texture_sRGB_decode");
config.anisotropic_level=1.0;
config.use_anisotropic_filter=config.extensions.has("GL_EXT_texture_filter_anisotropic");
if (config.use_anisotropic_filter) {
glGetFloatv(_GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT,&config.anisotropic_level);
config.anisotropic_level=MIN(int(Globals::get_singleton()->get("rendering/gles3/anisotropic_filter_level")),config.anisotropic_level);
}
frame.clear_request=false;
shaders.copy.init();
{
//default textures
glGenTextures(1, &resources.white_tex);
unsigned char whitetexdata[8*8*3];
for(int i=0;i<8*8*3;i++) {
whitetexdata[i]=255;
}
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D,resources.white_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE,whitetexdata);
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,0);
glGenTextures(1, &resources.black_tex);
unsigned char blacktexdata[8*8*3];
for(int i=0;i<8*8;i++) {
blacktexdata[i]=0;
}
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D,resources.black_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE,blacktexdata);
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,0);
glGenTextures(1, &resources.normal_tex);
unsigned char normaltexdata[8*8*3];
for(int i=0;i<8*8*3;i+=3) {
normaltexdata[i+0]=128;
normaltexdata[i+1]=128;
normaltexdata[i+2]=255;
}
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D,resources.normal_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 8, 8, 0, GL_RGB, GL_UNSIGNED_BYTE,normaltexdata);
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D,0);
}
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS,&config.max_texture_image_units);
glGetIntegerv(GL_MAX_TEXTURE_SIZE,&config.max_texture_size);
#ifdef GLEW_ENABLED
config.use_rgba_2d_shadows=false;
#else
config.use_rgba_2d_shadows=true;
#endif
}
void RasterizerStorageGLES3::finalize() {
glDeleteTextures(1, &resources.white_tex);
glDeleteTextures(1, &resources.black_tex);
glDeleteTextures(1, &resources.normal_tex);
}
RasterizerStorageGLES3::RasterizerStorageGLES3()
{
}
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