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readtexture mip / gl metal noop support

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This commit is contained in:
benoitjacquier 2016-10-24 10:02:08 +02:00
parent 9a0e685861
commit 061b805cfb
3 changed files with 9 additions and 8 deletions
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5
src/renderer_gl.cpp
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@ -2383,7 +2383,6 @@ namespace bgfx { namespace gl
{
if (m_readBackSupported)
{
_mip;
const TextureGL& texture = m_textures[_handle.idx];
const bool compressed = isCompressed(TextureFormat::Enum(texture.m_textureFormat) );
@ -2392,14 +2391,14 @@ namespace bgfx { namespace gl
if (compressed)
{
GL_CHECK(glGetCompressedTexImage(texture.m_target
, 0
, _mip
, _data
) );
}
else
{
GL_CHECK(glGetTexImage(texture.m_target
, 0
, _mip
, texture.m_fmt
, texture.m_type
, _data

10
src/renderer_mtl.mm
View File

@ -796,7 +796,7 @@ namespace bgfx { namespace mtl
{
}
void readTexture(TextureHandle _handle, void* _data) BX_OVERRIDE
void readTexture(TextureHandle _handle, void* _data, uint8_t _mip) BX_OVERRIDE
{
m_commandBuffer.commit();
m_commandBuffer.waitUntilCompleted();
@ -804,13 +804,15 @@ namespace bgfx { namespace mtl
const TextureMtl& texture = m_textures[_handle.idx];
uint32_t width = texture.m_ptr.width();
uint32_t height = texture.m_ptr.height();
BX_CHECK(_mip<texture.m_numMips,"Invalid mip: %d num mips:",_mip,texture.m_numMips);
uint32_t width = texture.m_ptr.width() >> _mip;
uint32_t height = texture.m_ptr.height() >> _mip;
const uint8_t bpp = getBitsPerPixel(TextureFormat::Enum(texture.m_textureFormat) );
MTLRegion region = { { 0, 0, 0 }, { width, height, 1 } };
texture.m_ptr.getBytes(_data, width*bpp/8, 0, region, 0, 0);
texture.m_ptr.getBytes(_data, width*bpp/8, 0, region, _mip, 0);
m_commandBuffer = m_commandQueue.commandBuffer();
retain(m_commandBuffer); //NOTE: keep alive to be useable at 'flip'

2
src/renderer_noop.cpp
View File

@ -136,7 +136,7 @@ namespace bgfx { namespace noop
{
}
void readTexture(TextureHandle /*_handle*/, void* /*_data*/) BX_OVERRIDE
void readTexture(TextureHandle /*_handle*/, void* /*_data*/, uint8_t /*_mip*/) BX_OVERRIDE
{
}