diff options
Diffstat (limited to 'indra/llrender/llcubemaparray.cpp')
| -rw-r--r-- | indra/llrender/llcubemaparray.cpp | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/indra/llrender/llcubemaparray.cpp b/indra/llrender/llcubemaparray.cpp index 4f5e13765a..fb35e002df 100644 --- a/indra/llrender/llcubemaparray.cpp +++ b/indra/llrender/llcubemaparray.cpp @@ -105,16 +105,48 @@ LLCubeMapArray::LLCubeMapArray() } +LLCubeMapArray::LLCubeMapArray(LLCubeMapArray& lhs, U32 width, U32 count) : mTextureStage(0) +{ + mWidth = width; + mCount = count; + + // Allocate a new cubemap array with the same criteria as the incoming cubemap array + allocate(mWidth, lhs.mImage->getComponents(), count, lhs.mImage->getUseMipMaps(), lhs.mHDR); + + // Copy each cubemap from the incoming array to the new array + U32 min_count = std::min(count, lhs.mCount); + for (U32 i = 0; i < min_count * 6; ++i) + { + U32 src_resolution = lhs.mWidth; + U32 dst_resolution = mWidth; + { + GLint components = GL_RGB; + if (mImage->getComponents() == 4) + components = GL_RGBA; + GLint format = GL_RGB; + + // Handle different resolutions by scaling the image + LLPointer<LLImageRaw> src_image = new LLImageRaw(lhs.mWidth, lhs.mWidth, lhs.mImage->getComponents()); + glGetTexImage(GL_TEXTURE_CUBE_MAP_ARRAY, 0, components, GL_UNSIGNED_BYTE, src_image->getData()); + + LLPointer<LLImageRaw> scaled_image = src_image->scaled(mWidth, mWidth); + glTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, 0, 0, 0, i, mWidth, mWidth, 1, components, GL_UNSIGNED_BYTE, scaled_image->getData()); + } + } +} + LLCubeMapArray::~LLCubeMapArray() { } -void LLCubeMapArray::allocate(U32 resolution, U32 components, U32 count, bool use_mips) +void LLCubeMapArray::allocate(U32 resolution, U32 components, U32 count, bool use_mips, bool hdr) { U32 texname = 0; mWidth = resolution; mCount = count; + mHDR = hdr; + LLImageGL::generateTextures(1, &texname); mImage = new LLImageGL(resolution, resolution, components, use_mips); @@ -127,13 +159,19 @@ void LLCubeMapArray::allocate(U32 resolution, U32 components, U32 count, bool us bind(0); free_cur_tex_image(); - U32 format = components == 4 ? GL_RGBA16F : GL_RGB16F; + U32 format = components == 4 ? GL_RGBA16F : GL_R11F_G11F_B10F; + if (!hdr) + { + format = components == 4 ? GL_RGBA8 : GL_RGB8; + } U32 mip = 0; U32 mip_resolution = resolution; while (mip_resolution >= 1) { +#if GL_VERSION_4_0 glTexImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, format, mip_resolution, mip_resolution, count * 6, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr); +#endif if (!use_mips) { |