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Merge pull request #1639 from attilaz/metal-fb-attachment

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Metal fb attachment
This commit is contained in:
Бранимир Караџић
2019-01-24 12:21:57 -08:00
committed by GitHub
parent 9ab5ca7646 36d29c27fd
commit 331ec8ccef
3 changed files with 97 additions and 16 deletions
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57
examples/08-update/update.cpp
View File

@@ -98,6 +98,16 @@ static const uint16_t s_cubeIndices[] =
21, 22, 23,
};
BX_STATIC_ASSERT(BX_COUNTOF(s_cubeIndices) == 36);
bx::Vec3 s_faceColors[] =
{
{ 0.75f, 0.0f, 0.0f },
{ 0.75f, 0.75f, 0.0f },
{ 0.75f, 0.0f, 0.75f },
{ 0.0f, 0.75f, 0.0f },
{ 0.0f, 0.75f, 0.75f },
{ 0.0f, 0.0f, 0.75f },
};
static void updateTextureCubeRectBgra8(
bgfx::TextureHandle _handle
@@ -290,6 +300,23 @@ public:
, BGFX_TEXTURE_COMPUTE_WRITE
);
}
{
m_textureCube[3] = bgfx::createTextureCube(
kTextureSide
, false
, 1
, bgfx::TextureFormat::RGBA8
, BGFX_TEXTURE_RT
);
for (uint32_t ii = 0; ii < BX_COUNTOF(m_textureCubeFaceFb); ++ii)
{
bgfx::Attachment at;
at.init(m_textureCube[3], bgfx::Access::Write, uint16_t(ii));
m_textureCubeFaceFb[ii] = bgfx::createFrameBuffer(1, &at);
}
}
m_texture2d = bgfx::createTexture2D(
kTexture2dSize
@@ -347,6 +374,14 @@ public:
}
}
for (uint32_t ii = 0; ii<BX_COUNTOF(m_textureCubeFaceFb); ++ii)
{
if (bgfx::isValid(m_textureCubeFaceFb[ii]))
{
bgfx::destroy(m_textureCubeFaceFb[ii]);
}
}
bgfx::destroy(m_ibh);
bgfx::destroy(m_vbh);
if (bgfx::isValid(m_program3d) )
@@ -502,13 +537,30 @@ public:
bgfx::setImage(0, m_textureCube[2], 0, bgfx::Access::Write);
bgfx::dispatch(0, m_programCompute, kTextureSide/16, kTextureSide/16);
}
for (uint32_t ii = 0; ii < BX_COUNTOF(m_textureCubeFaceFb); ++ii)
{
bgfx::ViewId viewId = bgfx::ViewId(ii+2);
bgfx::setViewFrameBuffer(viewId, m_textureCubeFaceFb[ii]);
bx::Vec3 color = bx::add(s_faceColors[ii], bx::sin(time*4.0f)*0.25f);
uint32_t colorRGB8 =
uint32_t(bx::toUnorm(color.x, 255.0f) ) << 24
| uint32_t(bx::toUnorm(color.y, 255.0f) ) << 16
| uint32_t(bx::toUnorm(color.z, 255.0f) ) << 8;
bgfx::setViewClear(viewId, BGFX_CLEAR_COLOR, colorRGB8);
bgfx::setViewRect(viewId, 0,0,512,512);
bgfx::touch(viewId);
}
for (uint32_t ii = 0; ii < BX_COUNTOF(m_textureCube); ++ii)
{
if (bgfx::isValid(m_textureCube[ii]))
{
float mtx[16];
bx::mtxSRT(mtx, 0.7f, 0.7f, 0.7f, time, time*0.37f, 0.0f, -2.0f +ii*2.0f, 0.0f, 0.0f);
bx::mtxSRT(mtx, 0.65f, 0.65f, 0.65f, time, time*0.37f, 0.0f, -2.5f +ii*1.8f, 0.0f, 0.0f);
// Set model matrix for rendering.
bgfx::setTransform(mtx);
@@ -661,7 +713,8 @@ public:
bgfx::TextureHandle m_textures[12];
bgfx::TextureHandle m_textures3d[3];
bgfx::TextureHandle m_texture2d;
bgfx::TextureHandle m_textureCube[3];
bgfx::TextureHandle m_textureCube[4];
bgfx::FrameBufferHandle m_textureCubeFaceFb[6];
bgfx::IndexBufferHandle m_ibh;
bgfx::VertexBufferHandle m_vbh;
bgfx::ProgramHandle m_program3d;

2
src/renderer_mtl.h
View File

@@ -1062,6 +1062,8 @@ namespace bgfx { namespace mtl
TextureHandle m_colorHandle[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS-1];
TextureHandle m_depthHandle;
Attachment m_colorAttachment[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS-1];
Attachment m_depthAttachment;
uint8_t m_num; // number of color handles
};

54
src/renderer_mtl.mm
View File

@@ -1577,8 +1577,26 @@ namespace bgfx { namespace mtl
m_renderCommandEncoder.setVertexBuffer(vb.getBuffer(), offset, 1);
m_renderCommandEncoder.drawPrimitives(MTLPrimitiveTypeTriangleStrip, 0, 4, 1);
}
void setAttachment(MTLRenderPassAttachmentDescriptor* _attachmentDescriptor, const Attachment& _at, uint8_t _textureType, bool _resolve)
{
_attachmentDescriptor.level = _at.mip;
if ( _textureType == TextureMtl::Texture3D )
_attachmentDescriptor.depthPlane = _at.layer;
else
_attachmentDescriptor.slice = _at.layer;
if ( _resolve )
{
_attachmentDescriptor.resolveLevel = _at.mip;
if ( _textureType == TextureMtl::Texture3D )
_attachmentDescriptor.resolveDepthPlane = _at.layer;
else
_attachmentDescriptor.resolveSlice = _at.layer;
}
}
void setFrameBuffer(RenderPassDescriptor renderPassDescriptor, FrameBufferHandle _fbh, bool _msaa = true)
void setFrameBuffer(RenderPassDescriptor _renderPassDescriptor, FrameBufferHandle _fbh, bool _msaa = true)
{
if (!isValid(_fbh)
|| m_frameBuffers[_fbh.idx].m_swapChain)
@@ -1590,22 +1608,22 @@ namespace bgfx { namespace mtl
if (NULL != swapChain->m_backBufferColorMsaa)
{
renderPassDescriptor.colorAttachments[0].texture = swapChain->m_backBufferColorMsaa;
renderPassDescriptor.colorAttachments[0].resolveTexture = NULL != m_screenshotTarget
_renderPassDescriptor.colorAttachments[0].texture = swapChain->m_backBufferColorMsaa;
_renderPassDescriptor.colorAttachments[0].resolveTexture = NULL != m_screenshotTarget
? m_screenshotTarget.m_obj
: swapChain->currentDrawable().texture
;
}
else
{
renderPassDescriptor.colorAttachments[0].texture = NULL != m_screenshotTarget
_renderPassDescriptor.colorAttachments[0].texture = NULL != m_screenshotTarget
? m_screenshotTarget.m_obj
: swapChain->currentDrawable().texture
;
}
renderPassDescriptor.depthAttachment.texture = swapChain->m_backBufferDepth;
renderPassDescriptor.stencilAttachment.texture = swapChain->m_backBufferStencil;
_renderPassDescriptor.depthAttachment.texture = swapChain->m_backBufferDepth;
_renderPassDescriptor.stencilAttachment.texture = swapChain->m_backBufferStencil;
}
else
{
@@ -1614,35 +1632,40 @@ namespace bgfx { namespace mtl
for (uint32_t ii = 0; ii < frameBuffer.m_num; ++ii)
{
const TextureMtl& texture = m_textures[frameBuffer.m_colorHandle[ii].idx];
renderPassDescriptor.colorAttachments[ii].texture = texture.m_ptrMsaa
_renderPassDescriptor.colorAttachments[ii].texture = texture.m_ptrMsaa
? texture.m_ptrMsaa
: texture.m_ptr
;
renderPassDescriptor.colorAttachments[ii].resolveTexture = texture.m_ptrMsaa
_renderPassDescriptor.colorAttachments[ii].resolveTexture = texture.m_ptrMsaa
? texture.m_ptr.m_obj
: NULL
;
setAttachment(_renderPassDescriptor.colorAttachments[ii], frameBuffer.m_colorAttachment[ii], texture.m_type, texture.m_ptrMsaa != NULL);
}
if (isValid(frameBuffer.m_depthHandle) )
{
const TextureMtl& texture = m_textures[frameBuffer.m_depthHandle.idx];
renderPassDescriptor.depthAttachment.texture = texture.m_ptrMsaa
_renderPassDescriptor.depthAttachment.texture = texture.m_ptrMsaa
? texture.m_ptrMsaa
: texture.m_ptr
;
renderPassDescriptor.stencilAttachment.texture = texture.m_ptrStencil;
_renderPassDescriptor.stencilAttachment.texture = texture.m_ptrStencil;
setAttachment(_renderPassDescriptor.depthAttachment, frameBuffer.m_depthAttachment, texture.m_type, NULL != texture.m_ptrMsaa);
setAttachment(_renderPassDescriptor.stencilAttachment, frameBuffer.m_depthAttachment, texture.m_type, NULL != texture.m_ptrMsaa);
if (texture.m_textureFormat == TextureFormat::D24S8)
{
if (texture.m_ptr.pixelFormat() == 255 /* Depth24Unorm_Stencil8 */
|| texture.m_ptr.pixelFormat() == 260 /* Depth32Float_Stencil8 */)
{
renderPassDescriptor.stencilAttachment.texture = renderPassDescriptor.depthAttachment.texture;
_renderPassDescriptor.stencilAttachment.texture = _renderPassDescriptor.depthAttachment.texture;
}
else
{
renderPassDescriptor.stencilAttachment.texture = texture.m_ptrMsaa
_renderPassDescriptor.stencilAttachment.texture = texture.m_ptrMsaa
? texture.m_ptrMsaa
: texture.m_ptrStencil
;
@@ -3089,8 +3112,9 @@ namespace bgfx { namespace mtl
for (uint32_t ii = 0; ii < _num; ++ii)
{
TextureHandle handle = _attachment[ii].handle;
const Attachment& at = _attachment[ii];
TextureHandle handle = at.handle;
if (isValid(handle) )
{
const TextureMtl& texture = s_renderMtl->m_textures[handle.idx];
@@ -3104,10 +3128,12 @@ namespace bgfx { namespace mtl
if (bimg::isDepth(bimg::TextureFormat::Enum(texture.m_textureFormat) ) )
{
m_depthHandle = handle;
m_depthAttachment = at;
}
else
{
m_colorHandle[m_num] = handle;
m_colorAttachment[m_num] = at;
m_num++;
}
}