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Fixed RGTC (and other compressed) texture supports in GLES2. Fixes #26414 an probably others.

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This commit is contained in:
Juan Linietsky 2019-03-01 18:18:55 -03:00
parent 4b679f7f16
commit 834a984b08
2 changed files with 126 additions and 12 deletions
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136
drivers/gles2/rasterizer_storage_gles2.cpp
View file

@ -44,8 +44,31 @@ GLuint RasterizerStorageGLES2::system_fbo = 0;
#define _EXT_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define _EXT_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#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_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_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
#ifdef GLES_OVER_GL
#define _GL_HALF_FLOAT_OES 0x140B
#else
@ -231,41 +254,130 @@ Ref<Image> RasterizerStorageGLES2::_get_gl_image_and_format(const Ref<Image> &p_
} break;
case Image::FORMAT_RGTC_R: {
need_decompress = true;
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: {
need_decompress = true;
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: {
need_decompress = true;
if (config.bptc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_BPTC_UNORM;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_BPTC_RGBF: {
need_decompress = true;
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) {
need_decompress = true;
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: {
need_decompress = true;
if (config.pvrtc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_PVRTC2A: {
need_decompress = true;
if (config.pvrtc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_PVRTC4: {
need_decompress = true;
if (config.pvrtc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_PVRTC4A: {
need_decompress = true;
if (config.pvrtc_supported) {
r_gl_internal_format = _EXT_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
r_gl_format = GL_RGBA;
r_gl_type = GL_UNSIGNED_BYTE;
r_compressed = true;
} else {
need_decompress = true;
}
} break;
case Image::FORMAT_ETC: {
@ -1223,8 +1335,6 @@ void RasterizerStorageGLES2::_update_shader(Shader *p_shader) const {
switch (p_shader->mode) {
// TODO
case VS::SHADER_CANVAS_ITEM: {
p_shader->canvas_item.light_mode = Shader::CanvasItem::LIGHT_MODE_NORMAL;
@ -3339,7 +3449,6 @@ void RasterizerStorageGLES2::skeleton_allocate(RID p_skeleton, int p_bones, bool
skeleton->size = p_bones;
skeleton->use_2d = p_2d_skeleton;
// TODO use float texture for vertex shader
if (config.float_texture_supported) {
glGenTextures(1, &skeleton->tex_id);
@ -5142,6 +5251,9 @@ void RasterizerStorageGLES2::initialize() {
config.support_half_float_vertices = true;
#endif
config.rgtc_supported = config.extensions.has("GL_EXT_texture_compression_rgtc") || config.extensions.has("GL_ARB_texture_compression_rgtc") || config.extensions.has("EXT_texture_compression_rgtc");
config.bptc_supported = config.extensions.has("GL_ARB_texture_compression_bptc");
//determine formats for depth textures (or renderbuffers)
if (config.support_depth_texture) {
// Will use texture for depth

2
drivers/gles2/rasterizer_storage_gles2.h
View file

@ -73,6 +73,8 @@ public:
bool s3tc_supported;
bool etc1_supported;
bool pvrtc_supported;
bool rgtc_supported;
bool bptc_supported;
bool keep_original_textures;