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Implement the new buffer approach in opengl. sadly in my machine it gives my only 2 more fps and if your hardware does not support ARB_map_buffer_range is even slower than plain vertex arrays.

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change naming in all the backends vertex managers to make more easy to continue with the merge an some future improvements.
please test this as i'm interested in knowing the performance in linux and windows with the different hardware platforms.
This commit is contained in:
rodolfoosvaldobogado
2012-10-26 11:34:02 -03:00
parent 7006cd1217
commit eaa1ea71c1
11 changed files with 431 additions and 193 deletions
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60
Source/Plugins/Plugin_VideoOGL/Src/NativeVertexFormat.cpp
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@ -53,20 +53,6 @@ DECLARE_IMPORT(glColorPointer);
DECLARE_IMPORT(glTexCoordPointer);
#endif
class GLVertexFormat : public NativeVertexFormat
{
u8 *m_compiledCode;
PortableVertexDeclaration vtx_decl;
public:
GLVertexFormat();
~GLVertexFormat();
virtual void Initialize(const PortableVertexDeclaration &_vtx_decl);
virtual void SetupVertexPointers();
virtual void EnableComponents(u32 components);
};
namespace OGL
{
@ -75,8 +61,6 @@ NativeVertexFormat* VertexManager::CreateNativeVertexFormat()
return new GLVertexFormat();
}
}
GLVertexFormat::GLVertexFormat()
{
#ifdef USE_JIT
@ -221,6 +205,46 @@ void GLVertexFormat::SetupVertexPointers() {
#endif
}
void GLVertexFormat::SetupVertexPointersOffset(u32 offset) {
// Cast a pointer to compiled code to a pointer to a function taking no parameters, through a (void *) cast first to
// get around type checking errors, and call it.
#ifdef USE_JIT
((void (*)())(void*)m_compiledCode)();
#else
glVertexPointer(3, GL_FLOAT, vtx_decl.stride, (GLvoid*)offset);
if (vtx_decl.num_normals >= 1) {
glNormalPointer(VarToGL(vtx_decl.normal_gl_type), vtx_decl.stride, (GLvoid*)(offset + vtx_decl.normal_offset[0]));
if (vtx_decl.num_normals == 3) {
glVertexAttribPointer(SHADER_NORM1_ATTRIB, vtx_decl.normal_gl_size, VarToGL(vtx_decl.normal_gl_type), GL_TRUE, vtx_decl.stride, (GLvoid*)(offset + vtx_decl.normal_offset[1]));
glVertexAttribPointer(SHADER_NORM2_ATTRIB, vtx_decl.normal_gl_size, VarToGL(vtx_decl.normal_gl_type), GL_TRUE, vtx_decl.stride, (GLvoid*)(offset + vtx_decl.normal_offset[2]));
}
}
for (int i = 0; i < 2; i++) {
if (vtx_decl.color_offset[i] != -1) {
if (i == 0)
glColorPointer(4, GL_UNSIGNED_BYTE, vtx_decl.stride, (GLvoid*)(offset + vtx_decl.color_offset[i]));
else {
glSecondaryColorPointer(4, GL_UNSIGNED_BYTE, vtx_decl.stride, (GLvoid*)(offset + vtx_decl.color_offset[i]));
}
}
}
for (int i = 0; i < 8; i++) {
if (vtx_decl.texcoord_offset[i] != -1) {
int id = GL_TEXTURE0 + i;
glClientActiveTexture(id);
glTexCoordPointer(vtx_decl.texcoord_size[i], VarToGL(vtx_decl.texcoord_gl_type[i]),
vtx_decl.stride, (GLvoid*)(offset + vtx_decl.texcoord_offset[i]));
}
}
if (vtx_decl.posmtx_offset != -1) {
glVertexAttribPointer(SHADER_POSMTX_ATTRIB, 4, GL_UNSIGNED_BYTE, GL_FALSE, vtx_decl.stride, (GLvoid*)(offset + vtx_decl.posmtx_offset));
}
#endif
}
void GLVertexFormat::EnableComponents(u32 components)
{
if (s_prevcomponents != components)
@ -284,3 +308,7 @@ void GLVertexFormat::EnableComponents(u32 components)
s_prevcomponents = components;
}
}
}