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Remove extra memcpy in ogles2 driver

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paradust7 2022-05-11 04:25:50 -07:00 committed by GitHub
parent 6928c7eb6f
commit 51ae495c4a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 8 deletions
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15
source/Irrlicht/COGLES2Driver.cpp
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@ -441,9 +441,8 @@ COGLES2Driver::~COGLES2Driver()
const E_VERTEX_TYPE vType = mb->getVertexType();
const u32 vertexSize = getVertexPitchFromType(vType);
//buffer vertex data, and convert colours...
core::array<c8> buffer(vertexSize * vertexCount);
memcpy(buffer.pointer(), vertices, vertexSize * vertexCount);
const void *buffer = vertices;
size_t bufferSize = vertexSize * vertexCount;
//get or create buffer
bool newBuffer = false;
@ -453,7 +452,7 @@ COGLES2Driver::~COGLES2Driver()
if (!HWBuffer->vbo_verticesID) return false;
newBuffer = true;
}
else if (HWBuffer->vbo_verticesSize < vertexCount*vertexSize)
else if (HWBuffer->vbo_verticesSize < bufferSize)
{
newBuffer = true;
}
@ -462,15 +461,15 @@ COGLES2Driver::~COGLES2Driver()
// copy data to graphics card
if (!newBuffer)
glBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * vertexSize, buffer.const_pointer());
glBufferSubData(GL_ARRAY_BUFFER, 0, bufferSize, buffer);
else
{
HWBuffer->vbo_verticesSize = vertexCount * vertexSize;
HWBuffer->vbo_verticesSize = bufferSize;
if (HWBuffer->Mapped_Vertex == scene::EHM_STATIC)
glBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, buffer.const_pointer(), GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, bufferSize, buffer, GL_STATIC_DRAW);
else
glBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, buffer.const_pointer(), GL_DYNAMIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, bufferSize, buffer, GL_DYNAMIC_DRAW);
}
glBindBuffer(GL_ARRAY_BUFFER, 0);