OrdinaryMagician/vkdoom_m
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- implement model vertex buffer and draw MD2 models using it instead of using the GLCommands from the model.

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This commit is contained in:
Christoph Oelckers 2014-06-29 23:24:16 +02:00
commit 1efc2938b7
10 changed files with 121 additions and 136 deletions
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77
src/gl/models/gl_models.cpp
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@ -59,6 +59,7 @@
#include "gl/utility/gl_geometric.h"
#include "gl/utility/gl_convert.h"
#include "gl/renderer/gl_renderstate.h"
#include "gl/shaders/gl_shader.h"
static inline float GetTimeFloat()
{
@ -91,6 +92,76 @@ public:
DeletingModelArray Models;
//===========================================================================
//
//
//
//===========================================================================
FModelVertexBuffer::FModelVertexBuffer()
{
ibo_id = 0;
glGenBuffers(1, &ibo_id);
//for (unsigned i = 1; i < Models.Size(); i++)
for (int i = Models.Size() - 1; i >= 0; i--)
{
Models[i]->BuildVertexBuffer(this);
}
glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
glBufferData(GL_ARRAY_BUFFER,vbo_shadowdata.Size() * sizeof(FModelVertex), &vbo_shadowdata[0], GL_STATIC_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo_id);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,ibo_shadowdata.Size() * sizeof(unsigned int), &ibo_shadowdata[0], GL_STATIC_DRAW);
}
FModelVertexBuffer::~FModelVertexBuffer()
{
if (ibo_id != 0)
{
glDeleteBuffers(1, &ibo_id);
}
}
//===========================================================================
//
//
//
//===========================================================================
void FModelVertexBuffer::BindVBO()
{
glBindBuffer(GL_ARRAY_BUFFER, vbo_id);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ibo_id);
//glVertexPointer(3, GL_FLOAT, sizeof(FModelVertex), &VMO->x);
//glTexCoordPointer(2, GL_FLOAT, sizeof(FModelVertex), &VMO->u);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glEnableVertexAttribArray(VATTR_VERTEX2);
}
//===========================================================================
//
// Sets up the buffer starts for frame interpolation
// This must be called after gl_RenderState.Apply!
//
//===========================================================================
unsigned int FModelVertexBuffer::SetupFrame(unsigned int frame1, unsigned int frame2, float factor)
{
glVertexPointer(3, GL_FLOAT, sizeof(FModelVertex), &VMO[frame1].x);
glTexCoordPointer(2, GL_FLOAT, sizeof(FModelVertex), &VMO[frame1].u);
glVertexAttribPointer(VATTR_VERTEX2, 3, GL_FLOAT, false, sizeof(FModelVertex), &VMO[frame2].x);
return frame1;
}
static TArray<FSpriteModelFrame> SpriteModelFrames;
static int * SpriteModelHash;
//TArray<FStateModelFrame> StateModelFrames;
@ -674,10 +745,14 @@ void gl_RenderFrameModels( const FSpriteModelFrame *smf,
if (mdl!=NULL)
{
gl_RenderState.SetVertexBuffer(GLRenderer->mModelVBO);
if ( smfNext && smf->modelframes[i] != smfNext->modelframes[i] )
mdl->RenderFrame(smf->skins[i], smf->modelframes[i], smfNext->modelframes[i], inter, translation);
else
mdl->RenderFrame(smf->skins[i], smf->modelframes[i], NULL, 0.f, translation);
mdl->RenderFrame(smf->skins[i], smf->modelframes[i], smf->modelframes[i], 0.f, translation);
gl_RenderState.SetVertexBuffer(GLRenderer->mVBO);
}
}
}