mirror of
https://github.com/NoelFB/blah.git
synced 2024-11-29 17:08:56 +08:00
added D3D11 Texture::get_data implementation
This commit is contained in:
Noel Berry
parent
920e7ac644
commit
c22b5a7639
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@ -96,11 +96,13 @@ namespace Blah
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int m_width;
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int m_height;
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TextureFormat m_format;
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DXGI_FORMAT m_dxgi_format;
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bool m_is_framebuffer;
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int m_size;
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public:
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ID3D11Texture2D* texture = nullptr;
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ID3D11Texture2D* staging = nullptr;
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ID3D11ShaderResourceView* view = nullptr;
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D3D11_Texture(int width, int height, TextureFormat format, bool is_framebuffer)
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@ -146,6 +148,8 @@ namespace Blah
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break;
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}
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m_dxgi_format = desc.Format;
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auto hr = state.device->CreateTexture2D(&desc, NULL, &texture);
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if (!SUCCEEDED(hr))
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{
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@ -167,8 +171,11 @@ namespace Blah
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{
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if (texture)
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texture->Release();
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if (staging)
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staging->Release();
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if (view)
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view->Release();
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staging = nullptr;
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texture = nullptr;
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view = nullptr;
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}
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@ -190,6 +197,7 @@ namespace Blah
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virtual void set_data(unsigned char* data) override
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{
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// bounds
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D3D11_BOX box;
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box.left = 0;
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box.right = m_width;
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@ -198,6 +206,7 @@ namespace Blah
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box.front = 0;
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box.back = 1;
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// set data
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state.context->UpdateSubresource(
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texture,
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0,
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@ -209,7 +218,60 @@ namespace Blah
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virtual void get_data(unsigned char* data) override
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{
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BLAH_ASSERT(false, "Not Implemented Yet");
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HRESULT hr;
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// bounds
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D3D11_BOX box;
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box.left = 0;
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box.right = m_width;
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box.top = 0;
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box.bottom = m_height;
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box.front = 0;
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box.back = 1;
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// create staging texture
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if (!staging)
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{
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D3D11_TEXTURE2D_DESC desc;
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desc.Width = m_width;
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desc.Height = m_height;
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desc.MipLevels = 1;
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desc.ArraySize = 1;
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desc.Format = m_dxgi_format;
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desc.SampleDesc.Count = 1;
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desc.SampleDesc.Quality = 0;
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desc.Usage = D3D11_USAGE_STAGING;
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desc.BindFlags = 0;
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desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
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desc.MiscFlags = 0;
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hr = state.device->CreateTexture2D(&desc, NULL, &staging);
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if (!SUCCEEDED(hr))
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{
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BLAH_ERROR("Failed to create staging texture to get data");
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return;
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}
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}
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// copy data to staging texture
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state.context->CopySubresourceRegion(
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staging, 0,
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0, 0, 0,
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texture, 0,
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&box);
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// get data
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D3D11_MAPPED_SUBRESOURCE map;
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hr = state.context->Map(staging, 0, D3D11_MAP_READ, 0, &map);
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if (!SUCCEEDED(hr))
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{
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BLAH_ERROR("Failed to get texture data");
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return;
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}
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memcpy(data, map.pData, m_size);
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state.context->Unmap(staging, 0);
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}
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virtual bool is_framebuffer() const override
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@ -309,6 +371,7 @@ namespace Blah
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StackVector<ShaderData::HLSL_Attribute, 16> attributes;
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Vector<UniformInfo> uniform_list;
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uint32_t hash = 0;
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bool valid = false;
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D3D11_Shader(const ShaderData* data)
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{
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@ -333,12 +396,8 @@ namespace Blah
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if (FAILED(hr))
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{
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if (error_blob)
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{
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Log::error("%s", (char*)error_blob->GetBufferPointer());
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error_blob->Release();
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}
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Log::error("%s", (char*)error_blob->GetBufferPointer());
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error_blob->Release();
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return;
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}
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}
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@ -360,12 +419,8 @@ namespace Blah
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if (FAILED(hr))
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{
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if (error_blob)
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{
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Log::error("%s", (char*)error_blob->GetBufferPointer());
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error_blob->Release();
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}
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Log::error("%s", (char*)error_blob->GetBufferPointer());
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error_blob->Release();
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return;
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}
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}
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@ -430,6 +485,9 @@ namespace Blah
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hash = ((hash << 5) + hash) + it.semantic_name[i];
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hash = it.semantic_index << 5 + hash;
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}
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// Shader is ready for use!
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valid = true;
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}
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~D3D11_Shader()
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@ -528,15 +586,22 @@ namespace Blah
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data.pSysMem = indices;
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// create
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state.device->CreateBuffer(&desc, &data, &index_buffer);
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auto hr = state.device->CreateBuffer(&desc, &data, &index_buffer);
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BLAH_ASSERT(SUCCEEDED(hr), "Failed to update Index Data");
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}
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}
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else if (indices)
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{
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D3D11_MAPPED_SUBRESOURCE resource;
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state.context->Map(index_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &resource);
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memcpy(resource.pData, indices, index_stride * count);
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state.context->Unmap(index_buffer, 0);
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D3D11_MAPPED_SUBRESOURCE map;
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auto hr = state.context->Map(index_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
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BLAH_ASSERT(SUCCEEDED(hr), "Failed to update Index Data");
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if (SUCCEEDED(hr))
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{
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memcpy(map.pData, indices, index_stride * count);
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state.context->Unmap(index_buffer, 0);
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}
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}
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}
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@ -569,16 +634,22 @@ namespace Blah
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data.pSysMem = vertices;
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// create
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state.device->CreateBuffer(&desc, &data, &vertex_buffer);
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auto hr = state.device->CreateBuffer(&desc, &data, &vertex_buffer);
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BLAH_ASSERT(SUCCEEDED(hr), "Failed to update Vertex Data");
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}
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}
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// otherwise just update it
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else if (vertices)
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{
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D3D11_MAPPED_SUBRESOURCE resource;
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state.context->Map(vertex_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &resource);
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memcpy(resource.pData, vertices, vertex_format.stride * count);
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state.context->Unmap(vertex_buffer, 0);
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D3D11_MAPPED_SUBRESOURCE map;
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auto hr = state.context->Map(vertex_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &map);
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BLAH_ASSERT(SUCCEEDED(hr), "Failed to update Vertex Data");
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if (SUCCEEDED(hr))
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{
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memcpy(map.pData, vertices, vertex_format.stride * count);
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state.context->Unmap(vertex_buffer, 0);
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}
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}
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}
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@ -726,6 +797,8 @@ namespace Blah
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void GraphicsBackend::before_render()
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{
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HRESULT hr;
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auto next_size = Point(App::draw_width(), App::draw_height());
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if (state.last_size != next_size)
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{
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@ -734,15 +807,17 @@ namespace Blah
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state.backbuffer->Release();
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// perform resize
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state.swap_chain->ResizeBuffers(2, next_size.x, next_size.y, DXGI_FORMAT_B8G8R8A8_UNORM, 0);
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hr = state.swap_chain->ResizeBuffers(2, next_size.x, next_size.y, DXGI_FORMAT_B8G8R8A8_UNORM, 0);
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BLAH_ASSERT(SUCCEEDED(hr), "Failed to update Backbuffer on Resize");
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state.last_size = next_size;
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// get the new buffer
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ID3D11Texture2D* frame_buffer = nullptr;
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state.swap_chain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&frame_buffer);
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if (frame_buffer)
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hr = state.swap_chain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&frame_buffer);
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if (SUCCEEDED(hr) && frame_buffer)
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{
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state.device->CreateRenderTargetView(frame_buffer, nullptr, &state.backbuffer);
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hr = state.device->CreateRenderTargetView(frame_buffer, nullptr, &state.backbuffer);
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BLAH_ASSERT(SUCCEEDED(hr), "Failed to update Backbuffer on Resize");
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frame_buffer->Release();
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}
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}
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@ -750,12 +825,14 @@ namespace Blah
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void GraphicsBackend::after_render()
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{
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state.swap_chain->Present(1, 0);
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auto hr = state.swap_chain->Present(1, 0);
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BLAH_ASSERT(SUCCEEDED(hr), "Failed to Present swap chain");
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}
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TextureRef GraphicsBackend::create_texture(int width, int height, TextureFormat format)
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{
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auto result = new D3D11_Texture(width, height, format, false);
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if (result->texture)
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return TextureRef(result);
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@ -771,7 +848,7 @@ namespace Blah
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ShaderRef GraphicsBackend::create_shader(const ShaderData* data)
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{
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auto result = new D3D11_Shader(data);
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if (result->vertex && result->fragment && result->vertex_blob && result->fragment_blob)
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if (result->valid)
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return ShaderRef(result);
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delete result;
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