Method OverrideDisplay

Source/SysPSP/HLEGraphics/DisplayListDebugger.cpp:601–688

bool CTextureExplorerDebugMenuOption::OverrideDisplay() const
{
	if( !mDisplayTexture )
		return false;

	CRefPtr<CNativeTexture> texture;
	u32 texture_width  = 32;
	u32 texture_height = 32;
	if( mSelectedIdx < mSnapshot.size() )
	{
		texture = mSnapshot[ mSelectedIdx ].Texture;

		const TextureInfo & info = mSnapshot[ mSelectedIdx ].Info;

		texture_width  = info.GetWidth();
		texture_height = info.GetHeight();
	}

	CGraphicsContext::Get()->BeginFrame();

	sceGuDisable(GU_DEPTH_TEST);
	sceGuDepthMask( GL_TRUE );	// GL_TRUE to disable z-writes
	sceGuShadeModel( GU_FLAT );

	sceGuTexFilter(GU_NEAREST,GU_NEAREST);
	sceGuTexScale(1.0f,1.0f);
	sceGuTexOffset(0.0f,0.0f);
	sceGuDisable(GU_ALPHA_TEST);
	sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGBA);

	sceGuSetMatrix( GU_PROJECTION, reinterpret_cast< const ScePspFMatrix4 * >( &gMatrixIdentity ) );

	const f32		screen_width( 480.0f );
	const f32		screen_height( 272.0f );

	if ( mCheckerTexture != nullptr )
	{
		u32				num_verts( 2 );
		TextureVtx*	p_verts = (TextureVtx*)sceGuGetMemory(num_verts*sizeof(TextureVtx));

		mCheckerTexture->InstallTexture();

		sceGuDisable(GU_BLEND);
		sceGuTexWrap(GU_REPEAT,GU_REPEAT);

		p_verts[0].pos = v3( 0.0f, 0.0f, 0.0f );
		p_verts[0].t0 = v2( 0.0f, 0.0f );

		p_verts[1].pos = v3( screen_width, screen_height, 0.0f );
		p_verts[1].t0 = v2( screen_width, screen_height );

		sceGuDrawArray(GU_SPRITES,TEXTURE_VERTEX_FLAGS|GU_TRANSFORM_2D,num_verts,nullptr,p_verts);
	}

	if( texture != nullptr )
	{
		u32		num_verts( 2 );
		TextureVtx*	p_verts = (TextureVtx*)sceGuGetMemory(num_verts*sizeof(TextureVtx));