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Further tiny XFB speedup: baked the bias constants into the R tables, and switched to aligned writes, and made sure efb_buffer is aligned.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@890 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2008-10-16 08:11:03 +00:00
parent 0667c925de
commit caf0d58047
2 changed files with 32 additions and 23 deletions
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26
Source/Plugins/Plugin_VideoOGL/Src/XFB.cpp
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@ -19,6 +19,7 @@
// Preliminary non-working code.
#include "Globals.h"
#include "MemoryUtil.h"
#include "GLInit.h"
#include "Render.h"
#include "TextureMngr.h"
@ -53,9 +54,22 @@ void XFB_Init()
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, s_xfbRenderBuffer);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA, nBackbufferWidth, nBackbufferHeight);
efb_buffer = new u8[nBackbufferWidth * nBackbufferHeight * 4];
// Ensure efb_buffer is aligned.
efb_buffer = (u8 *)AllocateMemoryPages(nBackbufferWidth * nBackbufferHeight * 4);
}
void XFB_Shutdown()
{
glDeleteFramebuffersEXT(1, &s_xfbFrameBuffer);
glDeleteTextures(1, &xfb_texture);
xfb_texture = 0;
delete [] xfb_buffer;
xfb_buffer = 0;
FreeMemoryPages(efb_buffer, nBackbufferWidth * nBackbufferHeight * 4);
}
void XFB_Write(u8 *xfb_in_ram, const TRectangle& sourceRc, u32 dstWd, u32 dstHt, float yScale)
{
Renderer::SetRenderMode(Renderer::RM_Normal);
@ -160,13 +174,3 @@ void XFB_Draw(u8 *xfb_in_ram, u32 width, u32 height, s32 yOffset)
Renderer::RestoreGLState();
GL_REPORT_ERRORD();
}
void XFB_Shutdown()
{
glDeleteFramebuffersEXT(1, &s_xfbFrameBuffer);
glDeleteTextures(1, &xfb_texture);
xfb_texture = 0;
delete [] xfb_buffer;
xfb_buffer = 0;
}