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rasterizer_storage_gles3.cpp
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rasterizer_storage_gles3.cpp
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/*************************************************************************/
/* rasterizer_storage_gles3.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "rasterizer_storage_gles3.h"
#include "core/engine.h"
#include "core/project_settings.h"
#include "rasterizer_canvas_gles3.h"
#include "rasterizer_scene_gles3.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 _EXT_TEXTURE_CUBE_MAP_SEAMLESS 0x884F
#define _GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#define _GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
#define _EXT_COMPRESSED_R11_EAC 0x9270
#define _EXT_COMPRESSED_SIGNED_R11_EAC 0x9271
#define _EXT_COMPRESSED_RG11_EAC 0x9272
#define _EXT_COMPRESSED_SIGNED_RG11_EAC 0x9273
#define _EXT_COMPRESSED_RGB8_ETC2 0x9274
#define _EXT_COMPRESSED_SRGB8_ETC2 0x9275
#define _EXT_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#define _EXT_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#define _EXT_COMPRESSED_RGBA8_ETC2_EAC 0x9278
#define _EXT_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
#define _EXT_COMPRESSED_RGBA_BPTC_UNORM 0x8E8C
#define _EXT_COMPRESSED_SRGB_ALPHA_BPTC_UNORM 0x8E8D
#define _EXT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E
#define _EXT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F
#define _GL_TEXTURE_EXTERNAL_OES 0x8D65
#ifndef GLES_OVER_GL
#define glClearDepth glClearDepthf
#endif
#ifdef __EMSCRIPTEN__
#include <emscripten/emscripten.h>
void glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data) {
/* clang-format off */
EM_ASM({
GLctx.getBufferSubData($0, $1, HEAPU8, $2, $3);
}, target, offset, data, size);
/* clang-format on */
}
#endif
void glTexStorage2DCustom(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLenum format, GLenum type) {
#ifdef GLES_OVER_GL
for (int i = 0; i < levels; i++) {
glTexImage2D(target, i, internalformat, width, height, 0, format, type, NULL);
width = MAX(1, (width / 2));
height = MAX(1, (height / 2));
}
#else
glTexStorage2D(target, levels, internalformat, width, height);
#endif
}
GLuint RasterizerStorageGLES3::system_fbo = 0;
Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_image, Image::Format p_format, uint32_t p_flags, Image::Format &r_real_format, GLenum &r_gl_format, GLenum &r_gl_internal_format, GLenum &r_gl_type, bool &r_compressed, bool &r_srgb, bool p_force_decompress) const {
r_compressed = false;
r_gl_format = 0;
r_real_format = p_format;
Ref<Image> image = p_image;
r_srgb = false;
bool need_decompress = false;
switch (p_format) {
case Image::FORMAT_L8: {
#ifdef GLES_OVER_GL
r_gl_internal_format = GL_R8;
r_gl_format = GL_RED;
r_gl_type = GL_UNSIGNED_BYTE;
#else
r_gl_internal_format = GL_LUMINANCE;
r_gl_format = GL_LUMINANCE;
r_gl_type = GL_UNSIGNED_BYTE;
#endif
} break;
case Image::FORMAT_LA8: {
#ifdef GLES_OVER_GL
r_gl_internal_format = GL_RG8;
r_gl_format = GL_RG;
r_gl_type = GL_UNSIGNED_BYTE;
#else
r_gl_internal_format = GL_LUMINANCE_ALPHA;
r_gl_format = GL_LUMINANCE_ALPHA;
r_gl_type = GL_UNSIGNED_BYTE;
#endif
} 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;
r_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;
r_srgb = true;
} 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_RGBE9995: {
r_gl_internal_format = GL_RGB9_E5;
r_gl_format = GL_RGB;
r_gl_type = GL_UNSIGNED_INT_5_9_9_9_REV;
} 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;
r_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;
r_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;
r_srgb = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_RGTC_R: {
if (config.rgtc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RED_RGTC1_EXT;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_RGTC_RG: {
if (config.rgtc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RED_GREEN_RGTC2_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)) ? _EXT_COMPRESSED_SRGB_ALPHA_BPTC_UNORM : _EXT_COMPRESSED_RGBA_BPTC_UNORM;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
r_srgb = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_BPTC_RGBF: {
if (config.bptc_supported) {
r_gl_internal_format = _EXT_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 = _EXT_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;
r_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;
r_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;
r_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;
r_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 = _EXT_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 = _EXT_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 = _EXT_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 = _EXT_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)) ? _EXT_COMPRESSED_SRGB8_ETC2 : _EXT_COMPRESSED_RGB8_ETC2;
r_gl_format = GL_RGB;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
r_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)) ? _EXT_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : _EXT_COMPRESSED_RGBA8_ETC2_EAC;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
r_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)) ? _EXT_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 : _EXT_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
r_srgb = true;
} else {
need_decompress = true;
}
} break;
default: {
ERR_FAIL_V(Ref<Image>());
}
}
if (need_decompress || p_force_decompress) {
if (!image.is_null()) {
image = image->duplicate();
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;
r_real_format = Image::FORMAT_RGBA8;
r_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, int p_depth_3d, Image::Format p_format, VisualServer::TextureType p_type, uint32_t p_flags) {
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
}
#ifndef GLES_OVER_GL
switch (p_format) {
case Image::FORMAT_RF:
case Image::FORMAT_RGF:
case Image::FORMAT_RGBF:
case Image::FORMAT_RGBAF:
case Image::FORMAT_RH:
case Image::FORMAT_RGH:
case Image::FORMAT_RGBH:
case Image::FORMAT_RGBAH: {
if (!config.texture_float_linear_supported) {
// disable linear texture filtering when not supported for float format on some devices (issue #24295)
p_flags &= ~VS::TEXTURE_FLAG_FILTER;
}
} break;
default: {
}
}
#endif
Texture *texture = texture_owner.get(p_texture);
ERR_FAIL_COND(!texture);
texture->width = p_width;
texture->height = p_height;
texture->depth = p_depth_3d;
texture->format = p_format;
texture->flags = p_flags;
texture->stored_cube_sides = 0;
texture->type = p_type;
switch (p_type) {
case VS::TEXTURE_TYPE_2D: {
texture->target = GL_TEXTURE_2D;
texture->images.resize(1);
} break;
case VS::TEXTURE_TYPE_EXTERNAL: {
#ifdef ANDROID_ENABLED
texture->target = _GL_TEXTURE_EXTERNAL_OES;
#else
texture->target = GL_TEXTURE_2D;
#endif
texture->images.resize(0);
} break;
case VS::TEXTURE_TYPE_CUBEMAP: {
texture->target = GL_TEXTURE_CUBE_MAP;
texture->images.resize(6);
} break;
case VS::TEXTURE_TYPE_2D_ARRAY: {
texture->target = GL_TEXTURE_2D_ARRAY;
texture->images.resize(p_depth_3d);
} break;
case VS::TEXTURE_TYPE_3D: {
texture->target = GL_TEXTURE_3D;
texture->images.resize(p_depth_3d);
} break;
}
if (p_type != VS::TEXTURE_TYPE_EXTERNAL) {
texture->is_npot_repeat_mipmap = false;
#ifdef JAVASCRIPT_ENABLED
// WebGL 2.0 on browsers does not seem to properly support compressed non power-of-two (NPOT)
// textures with repeat/mipmaps, even though NPOT textures should be supported as per the spec.
// Force decompressing them to work it around on WebGL 2.0 at a performance cost (GH-33058).
int po2_width = next_power_of_2(p_width);
int po2_height = next_power_of_2(p_height);
bool is_po2 = p_width == po2_width && p_height == po2_height;
if (!is_po2 && (p_flags & VS::TEXTURE_FLAG_REPEAT || p_flags & VS::TEXTURE_FLAG_MIPMAPS)) {
texture->is_npot_repeat_mipmap = true;
}
#endif // JAVASCRIPT_ENABLED
Image::Format real_format;
_get_gl_image_and_format(Ref<Image>(),
texture->format,
texture->flags,
real_format,
format,
internal_format,
type,
compressed,
srgb,
texture->is_npot_repeat_mipmap);
texture->alloc_width = texture->width;
texture->alloc_height = texture->height;
texture->alloc_depth = texture->depth;
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_type == VS::TEXTURE_TYPE_EXTERNAL) {
glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(texture->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(texture->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
} else if (p_type == VS::TEXTURE_TYPE_3D || p_type == VS::TEXTURE_TYPE_2D_ARRAY) {
int width = p_width;
int height = p_height;
int depth = p_depth_3d;
int mipmaps = 0;
while (width > 0 || height > 0 || (p_type == VS::TEXTURE_TYPE_3D && depth > 0)) {
width = MAX(1, width);
height = MAX(1, height);
depth = MAX(1, depth);
glTexImage3D(texture->target, mipmaps, internal_format, width, height, depth, 0, format, type, NULL);
width /= 2;
height /= 2;
if (p_type == VS::TEXTURE_TYPE_3D) {
depth /= 2;
}
mipmaps++;
if (!(p_flags & VS::TEXTURE_FLAG_MIPMAPS))
break;
}
glTexParameteri(texture->target, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(texture->target, GL_TEXTURE_MAX_LEVEL, mipmaps - 1);
} else 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 Ref<Image> &p_image, int p_layer) {
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.is_null());
ERR_FAIL_COND(texture->type == VS::TEXTURE_TYPE_EXTERNAL);
GLenum type;
GLenum format;
GLenum internal_format;
bool compressed;
bool srgb;
if (config.keep_original_textures && !(texture->flags & VS::TEXTURE_FLAG_USED_FOR_STREAMING)) {
texture->images.write[p_layer] = p_image;
}
Image::Format real_format;
Ref<Image> img = _get_gl_image_and_format(p_image, p_image->get_format(), texture->flags, real_format, format, internal_format, type, compressed, srgb, texture->is_npot_repeat_mipmap);
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_RGBA8) {
img->resize(texture->alloc_width, texture->alloc_height, Image::INTERPOLATE_BILINEAR);
}
};
GLenum blit_target = GL_TEXTURE_2D;
switch (texture->type) {
case VS::TEXTURE_TYPE_2D:
case VS::TEXTURE_TYPE_EXTERNAL: {
blit_target = GL_TEXTURE_2D;
} break;
case VS::TEXTURE_TYPE_CUBEMAP: {
ERR_FAIL_INDEX(p_layer, 6);
blit_target = _cube_side_enum[p_layer];
} break;
case VS::TEXTURE_TYPE_2D_ARRAY: {
blit_target = GL_TEXTURE_2D_ARRAY;
} break;
case VS::TEXTURE_TYPE_3D: {
blit_target = GL_TEXTURE_3D;
} break;
}
texture->data_size = img->get_data().size();
PoolVector<uint8_t>::Read read = img->get_data().read();
ERR_FAIL_COND(!read.ptr());
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);
texture->using_srgb = true;
} else {
glTexParameteri(texture->target, _TEXTURE_SRGB_DECODE_EXT, _SKIP_DECODE_EXT);
texture->using_srgb = false;
}
}
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);
}
//set swizle for older format compatibility
#ifdef GLES_OVER_GL
switch (texture->format) {
case Image::FORMAT_L8: {
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ONE);
} break;
case Image::FORMAT_LA8: {
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_GREEN);
} break;
default: {
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_R, GL_RED);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_G, GL_GREEN);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_B, GL_BLUE);
glTexParameteri(texture->target, GL_TEXTURE_SWIZZLE_A, GL_ALPHA);
} break;
}
#endif
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);
if (texture->type == VS::TEXTURE_TYPE_2D || texture->type == VS::TEXTURE_TYPE_CUBEMAP) {
if (texture->compressed) {
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
int bw = w;
int bh = h;
glCompressedTexImage2D(blit_target, i, internal_format, bw, bh, 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]);
}
}
} else {
if (texture->compressed) {
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
int bw = w;
int bh = h;
glCompressedTexSubImage3D(blit_target, i, 0, 0, p_layer, bw, bh, 1, internal_format, size, &read[ofs]);
} else {
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexSubImage3D(blit_target, i, 0, 0, p_layer, w, h, 1, format, type, &read[ofs]);
}
}
tsize += size;
w = MAX(1, w >> 1);
h = MAX(1, h >> 1);
}
// Handle array and 3D textures, as those set their data per layer.
tsize *= MAX(texture->alloc_depth, 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);
texture->stored_cube_sides |= (1 << p_layer);
if ((texture->type == VS::TEXTURE_TYPE_2D || texture->type == VS::TEXTURE_TYPE_CUBEMAP) && (texture->flags & VS::TEXTURE_FLAG_MIPMAPS) && mipmaps == 1 && !texture->ignore_mipmaps && (texture->type != VS::TEXTURE_TYPE_CUBEMAP || texture->stored_cube_sides == (1 << 6) - 1)) {
//generate mipmaps if they were requested and the image does not contain them
glGenerateMipmap(texture->target);
} else if (mipmaps > 1) {
glTexParameteri(texture->target, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(texture->target, GL_TEXTURE_MAX_LEVEL, mipmaps - 1);
} else {
glTexParameteri(texture->target, GL_TEXTURE_BASE_LEVEL, 0);
glTexParameteri(texture->target, GL_TEXTURE_MAX_LEVEL, 0);
}
texture->mipmaps = mipmaps;