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OGL: Use ARB_texture_storage to allocate TextureCache entries

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This ensures that they are complete textures by decoding time, as when
using compute shaders we write directly to the destination texture.
This commit is contained in:
Stenzek
2016-11-27 18:14:53 +10:00
parent c8cbbd831d
commit a8876a29fe
4 changed files with 38 additions and 16 deletions
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29
Source/Core/VideoBackends/OGL/TextureCache.cpp
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@ -119,13 +119,22 @@ TextureCache::TCacheEntryBase* TextureCache::CreateTexture(const TCacheEntryConf
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAX_LEVEL, config.levels - 1);
if (g_ogl_config.bSupportsTextureStorage)
{
glTexStorage3D(GL_TEXTURE_2D_ARRAY, config.levels, GL_RGBA8, config.width, config.height,
config.layers);
}
if (config.rendertarget)
{
for (u32 level = 0; level < config.levels; level++)
if (!g_ogl_config.bSupportsTextureStorage)
{
glTexImage3D(GL_TEXTURE_2D_ARRAY, level, GL_RGBA, std::max(config.width >> level, 1u),
std::max(config.height >> level, 1u), config.layers, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
for (u32 level = 0; level < config.levels; level++)
{
glTexImage3D(GL_TEXTURE_2D_ARRAY, level, GL_RGBA, std::max(config.width >> level, 1u),
std::max(config.height >> level, 1u), config.layers, 0, GL_RGBA,
GL_UNSIGNED_BYTE, nullptr);
}
}
glGenFramebuffers(1, &entry->framebuffer);
FramebufferManager::SetFramebuffer(entry->framebuffer);
@ -188,8 +197,16 @@ void TextureCache::TCacheEntry::Load(const u8* buffer, u32 width, u32 height, u3
if (expanded_width != width)
glPixelStorei(GL_UNPACK_ROW_LENGTH, expanded_width);
glTexImage3D(GL_TEXTURE_2D_ARRAY, level, GL_RGBA, width, height, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE,
buffer);
if (g_ogl_config.bSupportsTextureStorage)
{
glTexSubImage3D(GL_TEXTURE_2D_ARRAY, level, 0, 0, 0, width, height, 1, GL_RGBA,
GL_UNSIGNED_BYTE, buffer);
}
else
{
glTexImage3D(GL_TEXTURE_2D_ARRAY, level, GL_RGBA, width, height, 1, 0, GL_RGBA,
GL_UNSIGNED_BYTE, buffer);
}
if (expanded_width != width)
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);