mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-22 22:00:39 -06:00
added option to use XFB in GL, but XFB support still needs work. modified viewport to include scissor offset.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@879 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
@ -19,8 +19,10 @@
|
||||
// Preliminary non-working code.
|
||||
|
||||
#include "Globals.h"
|
||||
#include "GLInit.h"
|
||||
#include "Render.h"
|
||||
#include "TextureMngr.h"
|
||||
#include "VertexShaderManager.h"
|
||||
#include "XFBConvert.h"
|
||||
|
||||
enum {
|
||||
@ -29,39 +31,138 @@ enum {
|
||||
};
|
||||
|
||||
static GLuint xfb_texture;
|
||||
static u8 *xfb_buffer;
|
||||
static u8 *xfb_buffer = 0;
|
||||
static u8 *efb_buffer = 0;
|
||||
static GLuint s_xfbFrameBuffer = 0;
|
||||
static GLuint s_xfbRenderBuffer = 0;
|
||||
|
||||
void XFB_Init()
|
||||
{
|
||||
// used to render XFB
|
||||
xfb_buffer = new u8[XFB_WIDTH * XFB_HEIGHT * 4];
|
||||
memset(xfb_buffer, 0, XFB_WIDTH * XFB_HEIGHT * 4);
|
||||
glGenTextures(1, &xfb_texture);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, xfb_texture);
|
||||
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, XFB_WIDTH, XFB_HEIGHT, 0, GL_BGRA, GL_UNSIGNED_BYTE, xfb_buffer);
|
||||
|
||||
// used to render EFB
|
||||
glGenFramebuffersEXT( 1, &s_xfbFrameBuffer);
|
||||
glGenRenderbuffersEXT(1, &s_xfbRenderBuffer);
|
||||
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, s_xfbRenderBuffer);
|
||||
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA, nBackbufferWidth, nBackbufferHeight);
|
||||
|
||||
efb_buffer = new u8[nBackbufferWidth * nBackbufferHeight * 4];
|
||||
}
|
||||
|
||||
void XFB_Draw(u8 *xfb_in_ram)
|
||||
void XFB_Write(u8 *xfb_in_ram, const TRectangle& sourceRc, u32 dstWd, u32 dstHt, float yScale)
|
||||
{
|
||||
Renderer::SetRenderMode(Renderer::RM_Normal);
|
||||
|
||||
Renderer::ResetGLState();
|
||||
ConvertXFB((u32 *)xfb_buffer, xfb_in_ram, XFB_WIDTH, XFB_HEIGHT);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, xfb_texture);
|
||||
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, XFB_WIDTH, XFB_HEIGHT, 0, GL_BGRA, GL_UNSIGNED_BYTE, xfb_buffer);
|
||||
|
||||
// switch to XFB frame buffer
|
||||
Renderer::SetFramebuffer(s_xfbFrameBuffer);
|
||||
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, s_xfbRenderBuffer);
|
||||
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, s_xfbRenderBuffer);
|
||||
GL_REPORT_ERRORD();
|
||||
|
||||
glViewport(nXoff, nYoff, nBackbufferWidth, nBackbufferHeight);
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, Renderer::GetRenderTarget());
|
||||
TextureMngr::EnableTexRECT(0);
|
||||
for (int i = 1; i < 8; ++i)
|
||||
TextureMngr::DisableStage(i);
|
||||
GL_REPORT_ERRORD();
|
||||
|
||||
float scaledTextureY = nBackbufferHeight - (nBackbufferHeight / yScale);
|
||||
|
||||
glBegin(GL_QUADS);
|
||||
glTexCoord2f(nBackbufferWidth, nBackbufferHeight); glVertex2f(-1,-1);
|
||||
glTexCoord2f(nBackbufferWidth, scaledTextureY); glVertex2f(-1,1);
|
||||
glTexCoord2f(0, scaledTextureY); glVertex2f(1,1);
|
||||
glTexCoord2f(0, nBackbufferHeight); glVertex2f(1,-1);
|
||||
glEnd();
|
||||
GL_REPORT_ERRORD();
|
||||
|
||||
int width = sourceRc.right - sourceRc.left;
|
||||
int height = sourceRc.bottom - sourceRc.top;
|
||||
glReadPixels(sourceRc.left, sourceRc.top, width, height, GL_RGBA, GL_UNSIGNED_BYTE, efb_buffer);
|
||||
GL_REPORT_ERRORD();
|
||||
|
||||
Renderer::SetFramebuffer(0);
|
||||
Renderer::RestoreGLState();
|
||||
VertexShaderMngr::SetViewportChanged();
|
||||
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
|
||||
TextureMngr::DisableStage(0);
|
||||
|
||||
Renderer::RestoreGLState();
|
||||
GL_REPORT_ERRORD();
|
||||
|
||||
// TODO - verify that XFB pixel order. probably reverse of GL pixel order
|
||||
// TODO - use shader for conversion
|
||||
ConvertToXFB((u32 *)xfb_in_ram, efb_buffer, dstWd, dstHt);
|
||||
|
||||
// old way
|
||||
/*glActiveTexture(GL_TEXTURE0);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, Renderer::GetRenderTarget());
|
||||
TextureMngr::EnableTexRECT(0);
|
||||
|
||||
glGetTexImage(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, GL_UNSIGNED_BYTE, efb_buffer);
|
||||
|
||||
static u8 *efbEndAddress = efb_buffer + ((nBackbufferWidth * nBackbufferHeight) - 1) * 4;
|
||||
ConvertToXFBReverse((u32 *)xfb_in_ram, efbEndAddress, dstWd, dstHt);*/
|
||||
|
||||
}
|
||||
|
||||
void XFB_Draw(u8 *xfb_in_ram, u32 width, u32 height, s32 yOffset)
|
||||
{
|
||||
if(width == 0 || height == 0)
|
||||
return;
|
||||
|
||||
OpenGL_Update(); // just updates the render window position and the backbuffer size
|
||||
|
||||
Renderer::SetRenderMode(Renderer::RM_Normal);
|
||||
|
||||
// render to the real buffer now
|
||||
glBindFramebufferEXT( GL_FRAMEBUFFER_EXT, 0 ); // switch to the backbuffer
|
||||
glViewport(nXoff, nYoff, nBackbufferWidth, nBackbufferHeight);
|
||||
|
||||
Renderer::ResetGLState();
|
||||
|
||||
// TODO - use shader for conversion
|
||||
ConvertFromXFB((u32 *)xfb_buffer, xfb_in_ram, width, height);
|
||||
|
||||
glActiveTexture(GL_TEXTURE0);
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, xfb_texture);
|
||||
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE, xfb_buffer);
|
||||
TextureMngr::EnableTexRECT(0);
|
||||
for (int i = 1; i < 8; ++i)
|
||||
TextureMngr::DisableStage(i);
|
||||
|
||||
GL_REPORT_ERRORD();
|
||||
|
||||
glBegin(GL_QUADS);
|
||||
glTexCoord2f(0, 0); glVertex2f(-1,-1);
|
||||
glTexCoord2f(0, XFB_WIDTH); glVertex2f(-1,1);
|
||||
glTexCoord2f(XFB_WIDTH, XFB_HEIGHT); glVertex2f(1,1);
|
||||
glTexCoord2f(XFB_WIDTH, 0); glVertex2f(1,-1);
|
||||
glTexCoord2f(width, height + yOffset); glVertex2f(-1,-1);
|
||||
glTexCoord2f(width, 0 + yOffset); glVertex2f(-1,1);
|
||||
glTexCoord2f(0, 0 + yOffset); glVertex2f(1,1);
|
||||
glTexCoord2f(0, height + yOffset); glVertex2f(1,-1);
|
||||
glEnd();
|
||||
|
||||
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
|
||||
TextureMngr::DisableStage(0);
|
||||
|
||||
Renderer::SwapBuffers();
|
||||
|
||||
Renderer::RestoreGLState();
|
||||
GL_REPORT_ERRORD();
|
||||
}
|
||||
|
||||
void XFB_Shutdown()
|
||||
{
|
||||
glDeleteFramebuffersEXT(1, &s_xfbFrameBuffer);
|
||||
|
||||
glDeleteTextures(1, &xfb_texture);
|
||||
xfb_texture = 0;
|
||||
delete [] xfb_buffer;
|
||||
|
Reference in New Issue
Block a user