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- Backend update from GZDoom - mainly for GLES2 support.

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This commit is contained in:
Christoph Oelckers 2021-09-18 12:20:28 +02:00
parent 11aea1c5d4
commit a3d9cd9a68
66 changed files with 9558 additions and 126 deletions
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48
source/common/rendering/hwrenderer/data/flatvertices.cpp
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@ -45,7 +45,8 @@
//
//==========================================================================
FFlatVertexBuffer::FFlatVertexBuffer(int width, int height)
FFlatVertexBuffer::FFlatVertexBuffer(int width, int height, int pipelineNbr):
mPipelineNbr(pipelineNbr)
{
vbo_shadowdata.Resize(NUM_RESERVED);
@ -78,19 +79,27 @@ FFlatVertexBuffer::FFlatVertexBuffer(int width, int height)
vbo_shadowdata[18].Set(32767.0f, -32767.0f, 32767.0f, 0, 0);
vbo_shadowdata[19].Set(32767.0f, -32767.0f, -32767.0f, 0, 0);
mVertexBuffer = screen->CreateVertexBuffer();
mIndexBuffer = screen->CreateIndexBuffer();
int data[4] = {};
mIndexBuffer->SetData(4, data); // On Vulkan this may not be empty, so set some dummy defaults to avoid crashes.
unsigned int bytesize = BUFFER_SIZE * sizeof(FFlatVertex);
mVertexBuffer->SetData(bytesize, nullptr, false);
static const FVertexBufferAttribute format[] = {
{ 0, VATTR_VERTEX, VFmt_Float3, (int)myoffsetof(FFlatVertex, x) },
{ 0, VATTR_TEXCOORD, VFmt_Float2, (int)myoffsetof(FFlatVertex, u) }
};
mVertexBuffer->SetFormat(1, 2, sizeof(FFlatVertex), format);
for (int n = 0; n < mPipelineNbr; n++)
{
mVertexBufferPipeline[n] = screen->CreateVertexBuffer();
unsigned int bytesize = BUFFER_SIZE * sizeof(FFlatVertex);
mVertexBufferPipeline[n]->SetData(bytesize, nullptr, false);
static const FVertexBufferAttribute format[] = {
{ 0, VATTR_VERTEX, VFmt_Float3, (int)myoffsetof(FFlatVertex, x) },
{ 0, VATTR_TEXCOORD, VFmt_Float2, (int)myoffsetof(FFlatVertex, u) }
};
mVertexBufferPipeline[n]->SetFormat(1, 2, sizeof(FFlatVertex), format);
}
mVertexBuffer = mVertexBufferPipeline[mPipelinePos];
mIndex = mCurIndex = NUM_RESERVED;
mNumReserved = NUM_RESERVED;
@ -105,8 +114,12 @@ FFlatVertexBuffer::FFlatVertexBuffer(int width, int height)
FFlatVertexBuffer::~FFlatVertexBuffer()
{
for (int n = 0; n < mPipelineNbr; n++)
{
delete mVertexBufferPipeline[n];
}
delete mIndexBuffer;
delete mVertexBuffer;
mIndexBuffer = nullptr;
mVertexBuffer = nullptr;
}
@ -153,8 +166,17 @@ std::pair<FFlatVertex *, unsigned int> FFlatVertexBuffer::AllocVertices(unsigned
void FFlatVertexBuffer::Copy(int start, int count)
{
Map();
memcpy(GetBuffer(start), &vbo_shadowdata[0], count * sizeof(FFlatVertex));
Unmap();
IVertexBuffer* old = mVertexBuffer;
for (int n = 0; n < mPipelineNbr; n++)
{
mVertexBuffer = mVertexBufferPipeline[n];
Map();
memcpy(GetBuffer(start), &vbo_shadowdata[0], count * sizeof(FFlatVertex));
Unmap();
mVertexBuffer->Upload(start * sizeof(FFlatVertex), count * sizeof(FFlatVertex));
}
mVertexBuffer = old;
}