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DrawPrimitivesIndirect

d3d11-revived
Caleb Cornett 2024-02-07 11:53:18 -06:00
parent 597b8dcef3
commit f36abf29de
1 changed files with 74 additions and 5 deletions
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79
src/Refresh_Driver_D3D11.c
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@ -424,6 +424,7 @@ typedef struct D3D11Buffer
{
ID3D11Buffer *handle;
uint32_t size;
uint8_t isDynamic;
} D3D11Buffer;
typedef struct D3D11UniformBuffer
@ -777,7 +778,48 @@ static void D3D11_DrawPrimitivesIndirect(
uint32_t vertexParamOffset,
uint32_t fragmentParamOffset
) {
NOT_IMPLEMENTED
D3D11CommandBuffer *d3d11CommandBuffer = (D3D11CommandBuffer*) commandBuffer;
D3D11Buffer *d3d11Buffer = (D3D11Buffer*) buffer;
uint32_t vertexOffsetInConstants = vertexParamOffset / 16;
uint32_t fragmentOffsetInConstants = fragmentParamOffset / 16;
uint32_t vertexBlockSizeInConstants = d3d11CommandBuffer->graphicsPipeline->vertexUniformBlockSize / 16;
uint32_t fragmentBlockSizeInConstants = d3d11CommandBuffer->graphicsPipeline->fragmentUniformBlockSize / 16;
if (d3d11CommandBuffer->vertexUniformBuffer != NULL)
{
ID3D11DeviceContext1_VSSetConstantBuffers1(
d3d11CommandBuffer->context,
0,
1,
&d3d11CommandBuffer->vertexUniformBuffer->d3d11Buffer->handle,
&vertexOffsetInConstants,
&vertexBlockSizeInConstants
);
}
if (d3d11CommandBuffer->fragmentUniformBuffer != NULL)
{
ID3D11DeviceContext1_PSSetConstantBuffers1(
d3d11CommandBuffer->context,
0,
1,
&d3d11CommandBuffer->fragmentUniformBuffer->d3d11Buffer->handle,
&fragmentOffsetInConstants,
&fragmentBlockSizeInConstants
);
}
/* D3D11: "We have multi-draw at home!"
* Multi-draw at home:
*/
for (uint32_t i = 0; i < drawCount; i += 1)
{
ID3D11DeviceContext_DrawInstancedIndirect(
d3d11CommandBuffer->context,
d3d11Buffer->handle,
offsetInBytes + (stride * i)
);
}
}
static void D3D11_DispatchCompute(
@ -1455,6 +1497,7 @@ static Refresh_Buffer* D3D11_CreateBuffer(
D3D11Buffer *d3d11Buffer;
HRESULT res;
uint8_t isDynamic = 1;
uint32_t bindFlags = 0;
if (usageFlags & REFRESH_BUFFERUSAGE_VERTEX_BIT)
{
@ -1464,16 +1507,17 @@ static Refresh_Buffer* D3D11_CreateBuffer(
{
bindFlags |= D3D11_BIND_INDEX_BUFFER;
}
if (usageFlags & REFRESH_BUFFERUSAGE_COMPUTE_BIT)
if ((usageFlags & REFRESH_BUFFERUSAGE_COMPUTE_BIT) || (usageFlags & REFRESH_BUFFERUSAGE_INDIRECT_BIT))
{
bindFlags |= D3D11_BIND_UNORDERED_ACCESS;
isDynamic = 0;
}
bufferDesc.BindFlags = bindFlags;
bufferDesc.ByteWidth = sizeInBytes;
bufferDesc.Usage = D3D11_USAGE_DYNAMIC;
bufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
bufferDesc.MiscFlags = 0;
bufferDesc.Usage = isDynamic ? D3D11_USAGE_DYNAMIC : D3D11_USAGE_DEFAULT;
bufferDesc.CPUAccessFlags = isDynamic ? D3D11_CPU_ACCESS_WRITE : 0;
bufferDesc.MiscFlags = (usageFlags & REFRESH_BUFFERUSAGE_INDIRECT_BIT) ? D3D11_RESOURCE_MISC_DRAWINDIRECT_ARGS : 0;
bufferDesc.StructureByteStride = 0;
res = ID3D11Device_CreateBuffer(
@ -1487,6 +1531,7 @@ static Refresh_Buffer* D3D11_CreateBuffer(
d3d11Buffer = SDL_malloc(sizeof(D3D11Buffer));
d3d11Buffer->handle = bufferHandle;
d3d11Buffer->size = sizeInBytes;
d3d11Buffer->isDynamic = isDynamic;
return (Refresh_Buffer*) d3d11Buffer;
}
@ -1587,9 +1632,33 @@ static void D3D11_INTERNAL_SetBufferData(
uint32_t dataLength,
uint8_t noOverwrite
) {
D3D11_BOX dstBox;
D3D11_MAPPED_SUBRESOURCE subres;
HRESULT res;
/* Use UpdateSubresource for non-dynamic buffers (i.e. compute/indirect) */
if (!buffer->isDynamic)
{
dstBox.left = 0;
dstBox.right = dataLength;
dstBox.top = 0;
dstBox.bottom = 1;
dstBox.front = 0;
dstBox.back = 1;
ID3D11DeviceContext_UpdateSubresource(
commandBuffer->context,
(ID3D11Resource*) buffer->handle,
0,
&dstBox,
data,
dataLength,
1
);
return;
}
res = ID3D11DeviceContext_Map(
commandBuffer->context,
(ID3D11Resource*) buffer->handle,