Mirrors/overte-HifiExperiments
3
0
Fork 0
mirror of https://github.com/HifiExperiments/overte.git synced 2025-08-09 03:29:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Disable use of DSA to load cubemaps

Browse source
This commit is contained in:
Brad Davis 2019-08-12 10:34:37 -07:00
parent 44e2037e15
commit a01f115357
2 changed files with 17 additions and 66 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
libraries/gpu-gl/src/gpu/gl45/GL45Backend.h
View file

@ -33,6 +33,7 @@ class GL45Backend : public GLBackend {
friend class Context; friend class Context;
public: public:
static const GLint RESOURCE_TRANSFER_TEX_UNIT { 32 };
static GLint MAX_COMBINED_SHADER_STORAGE_BLOCKS; static GLint MAX_COMBINED_SHADER_STORAGE_BLOCKS;
static GLint MAX_UNIFORM_LOCATIONS; static GLint MAX_UNIFORM_LOCATIONS;
#if GPU_BINDLESS_TEXTURES #if GPU_BINDLESS_TEXTURES

82
libraries/gpu-gl/src/gpu/gl45/GL45BackendTexture.cpp
View file

@ -226,81 +226,31 @@ void GL45Texture::generateMips() const {
Size GL45Texture::copyMipFaceLinesFromTexture(uint16_t mip, uint8_t face, const uvec3& size, uint32_t yOffset, GLenum internalFormat, GLenum format, GLenum type, Size sourceSize, const void* sourcePointer) const { Size GL45Texture::copyMipFaceLinesFromTexture(uint16_t mip, uint8_t face, const uvec3& size, uint32_t yOffset, GLenum internalFormat, GLenum format, GLenum type, Size sourceSize, const void* sourcePointer) const {
Size amountCopied = sourceSize; Size amountCopied = sourceSize;
bool compressed = GLTexelFormat::isCompressed(internalFormat);
if (GL_TEXTURE_2D == _target) { if (GL_TEXTURE_2D == _target) {
switch (internalFormat) { if (compressed) {
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: glCompressedTextureSubImage2D(_id, mip, 0, yOffset, size.x, size.y, internalFormat,
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: static_cast<GLsizei>(sourceSize), sourcePointer);
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: } else {
case GL_COMPRESSED_RED_RGTC1: glTextureSubImage2D(_id, mip, 0, yOffset, size.x, size.y, format, type, sourcePointer);
case GL_COMPRESSED_RG_RGTC2:
case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
case GL_COMPRESSED_RGB8_ETC2:
case GL_COMPRESSED_SRGB8_ETC2:
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_RGBA8_ETC2_EAC:
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
case GL_COMPRESSED_R11_EAC:
case GL_COMPRESSED_SIGNED_R11_EAC:
case GL_COMPRESSED_RG11_EAC:
case GL_COMPRESSED_SIGNED_RG11_EAC:
glCompressedTextureSubImage2D(_id, mip, 0, yOffset, size.x, size.y, internalFormat,
static_cast<GLsizei>(sourceSize), sourcePointer);
break;
default:
glTextureSubImage2D(_id, mip, 0, yOffset, size.x, size.y, format, type, sourcePointer);
break;
} }
} else if (GL_TEXTURE_CUBE_MAP == _target) { } else if (GL_TEXTURE_CUBE_MAP == _target) {
switch (internalFormat) { // DSA and cubemap functions are notoriously buggy. use the 4.1 compatible pathway
case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT: glActiveTexture(GL_TEXTURE0 + GL45Backend::RESOURCE_TRANSFER_TEX_UNIT);
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT: glBindTexture(_target, _texture);
case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT: auto target = GLTexture::CUBE_FACE_LAYOUT[face];
case GL_COMPRESSED_RED_RGTC1: if (compressed) {
case GL_COMPRESSED_RG_RGTC2: glCompressedTexSubImage2D(target, mip, 0, yOffset, size.x, size.y, internalFormat,
case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM: static_cast<GLsizei>(sourceSize), sourcePointer);
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT: } else {
case GL_COMPRESSED_RGB8_ETC2: glTexSubImage2D(target, mip, 0, yOffset, size.x, size.y, format, type, sourcePointer);
case GL_COMPRESSED_SRGB8_ETC2:
case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case GL_COMPRESSED_RGBA8_ETC2_EAC:
case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
case GL_COMPRESSED_R11_EAC:
case GL_COMPRESSED_SIGNED_R11_EAC:
case GL_COMPRESSED_RG11_EAC:
case GL_COMPRESSED_SIGNED_RG11_EAC:
#if AMD_CUBE_MAP_EXT_WORKAROUND
if (glCompressedTextureSubImage2DEXT) {
auto target = GLTexture::CUBE_FACE_LAYOUT[face];
glCompressedTextureSubImage2DEXT(_id, target, mip, 0, yOffset, size.x, size.y, internalFormat,
static_cast<GLsizei>(sourceSize), sourcePointer);
} else
#endif
{
glCompressedTextureSubImage3D(_id, mip, 0, yOffset, face, size.x, size.y, 1, internalFormat,
static_cast<GLsizei>(sourceSize), sourcePointer);
}
break;
default:
#if AMD_CUBE_MAP_EXT_WORKAROUND
if (glTextureSubImage2DEXT) {
auto target = GLTexture::CUBE_FACE_LAYOUT[face];
glTextureSubImage2DEXT(_id, target, mip, 0, yOffset, size.x, size.y, format, type, sourcePointer);
} else
#endif
{
glTextureSubImage3D(_id, mip, 0, yOffset, face, size.x, size.y, 1, format, type, sourcePointer);
}
break;
} }
glBindTexture(_target, 0);
} else { } else {
assert(false); assert(false);
amountCopied = 0; amountCopied = 0;
} }
(void)CHECK_GL_ERROR(); (void)CHECK_GL_ERROR();
return amountCopied; return amountCopied;
} }