Merge pull request #33059 from akien-mga/webgl2-resize-non-po2

WebGL 2.0: Force decompressing non power-of-2 textures with repeat/mipmap
This commit is contained in:
Rémi Verschelde 2019-10-26 18:05:37 +02:00 committed by GitHub
commit dba22e9788
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 49 additions and 36 deletions

View file

@ -114,7 +114,7 @@ void RasterizerStorageGLES2::bind_quad_array() const {
glEnableVertexAttribArray(VS::ARRAY_TEX_UV);
}
Ref<Image> RasterizerStorageGLES2::_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 p_will_need_resize) const {
Ref<Image> RasterizerStorageGLES2::_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 p_force_decompress) const {
r_gl_format = 0;
Ref<Image> image = p_image;
@ -261,7 +261,7 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
} break;
case Image::FORMAT_DXT1: {
if (config.s3tc_supported && !p_will_need_resize) {
if (config.s3tc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT1_EXT;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
@ -273,7 +273,7 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
} break;
case Image::FORMAT_DXT3: {
if (config.s3tc_supported && !p_will_need_resize) {
if (config.s3tc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
@ -285,7 +285,7 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
} break;
case Image::FORMAT_DXT5: {
if (config.s3tc_supported && !p_will_need_resize) {
if (config.s3tc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
@ -424,7 +424,7 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
} break;
case Image::FORMAT_ETC: {
if (config.etc1_supported && !p_will_need_resize) {
if (config.etc1_supported) {
r_gl_internal_format = _EXT_ETC1_RGB8_OES;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
@ -467,7 +467,7 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
}
}
if (need_decompress) {
if (need_decompress || p_force_decompress) {
if (!image.is_null()) {

View file

@ -337,7 +337,7 @@ public:
mutable RID_Owner<Texture> texture_owner;
Ref<Image> _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 p_will_need_resize) const;
Ref<Image> _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 p_force_decompress) const;
virtual RID texture_create();
virtual void texture_allocate(RID p_texture, int p_width, int p_height, int p_depth_3d, Image::Format p_format, VS::TextureType p_type, uint32_t p_flags = VS::TEXTURE_FLAGS_DEFAULT);

View file

@ -135,13 +135,13 @@ void glTexStorage2DCustom(GLenum target, GLsizei levels, GLenum internalformat,
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 &srgb) const {
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;
srgb = false;
r_srgb = false;
bool need_decompress = false;
@ -188,7 +188,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
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;
r_srgb = true;
} break;
case Image::FORMAT_RGBA8: {
@ -196,7 +196,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
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;
r_srgb = true;
} break;
case Image::FORMAT_RGBA4444: {
@ -278,7 +278,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -294,7 +294,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -310,7 +310,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -355,7 +355,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -395,7 +395,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -410,7 +410,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -426,7 +426,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -442,7 +442,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -527,7 +527,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGB;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -542,7 +542,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -557,7 +557,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
srgb = true;
r_srgb = true;
} else {
@ -570,7 +570,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
}
}
if (need_decompress) {
if (need_decompress || p_force_decompress) {
if (!image.is_null()) {
image = image->duplicate();
@ -584,7 +584,7 @@ Ref<Image> RasterizerStorageGLES3::_get_gl_image_and_format(const Ref<Image> &p_
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = false;
r_real_format = Image::FORMAT_RGBA8;
srgb = true;
r_srgb = true;
return image;
}
@ -677,8 +677,22 @@ void RasterizerStorageGLES3::texture_allocate(RID p_texture, int p_width, int p_
} break;
}
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);
_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;
@ -753,13 +767,9 @@ void RasterizerStorageGLES3::texture_set_data(RID p_texture, const Ref<Image> &p
if (config.keep_original_textures && !(texture->flags & VS::TEXTURE_FLAG_USED_FOR_STREAMING)) {
texture->images.write[p_layer] = p_image;
}
#ifndef GLES_OVER_GL
if (p_image->is_compressed() && p_image->has_mipmaps() && !p_image->is_size_po2()) {
ERR_PRINTS("Texuture '" + texture->path + "' is compressed, has mipmaps but is not of powerf-of-2 size. This does not work on OpenGL ES 3.0.");
}
#endif
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);
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)) {
@ -992,7 +1002,7 @@ void RasterizerStorageGLES3::texture_set_data_partial(RID p_texture, const Ref<I
}
Image::Format real_format;
Ref<Image> img = _get_gl_image_and_format(p_sub_img, p_sub_img->get_format(), texture->flags, real_format, format, internal_format, type, compressed, srgb);
Ref<Image> img = _get_gl_image_and_format(p_sub_img, p_sub_img->get_format(), texture->flags, real_format, format, internal_format, type, compressed, srgb, texture->is_npot_repeat_mipmap);
GLenum blit_target = GL_TEXTURE_2D;
@ -1091,7 +1101,8 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer)
gl_internal_format,
gl_type,
compressed,
srgb);
srgb,
texture->is_npot_repeat_mipmap);
PoolVector<uint8_t> data;
@ -1197,7 +1208,7 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer)
GLenum gl_type;
bool compressed;
bool srgb;
_get_gl_image_and_format(Ref<Image>(), texture->format, texture->flags, real_format, gl_format, gl_internal_format, gl_type, compressed, srgb);
_get_gl_image_and_format(Ref<Image>(), texture->format, texture->flags, real_format, gl_format, gl_internal_format, gl_type, compressed, srgb, false);
PoolVector<uint8_t> data;
@ -1267,7 +1278,7 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer)
GLenum gl_type;
bool compressed;
bool srgb;
_get_gl_image_and_format(Ref<Image>(), texture->format, texture->flags, real_format, gl_format, gl_internal_format, gl_type, compressed, srgb);
_get_gl_image_and_format(Ref<Image>(), texture->format, texture->flags, real_format, gl_format, gl_internal_format, gl_type, compressed, srgb, texture->is_npot_repeat_mipmap);
PoolVector<uint8_t> data;

View file

@ -266,6 +266,8 @@ public:
int mipmaps;
bool is_npot_repeat_mipmap;
bool active;
GLuint tex_id;
@ -342,7 +344,7 @@ public:
mutable RID_Owner<Texture> texture_owner;
Ref<Image> _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 &srgb) const;
Ref<Image> _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;
virtual RID texture_create();
virtual void texture_allocate(RID p_texture, int p_width, int p_height, int p_depth_3d, Image::Format p_format, VS::TextureType p_type, uint32_t p_flags = VS::TEXTURE_FLAGS_DEFAULT);