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TomW 2013-04-21 14:54:35 +01:00
commit 3c253c2cf8
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#include <stdint.h>
#define BITMAP WINDOWS_BITMAP
#include <d3d9.h>
#undef BITMAP
#include "win-d3d.h"
#include "video.h"
extern "C" void fatal(const char *format, ...);
extern "C" void pclog(const char *format, ...);
void d3d_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h);
void d3d_blit_memtoscreen_8(int x, int y, int w, int h);
LPDIRECT3D9 d3d = NULL;
LPDIRECT3DDEVICE9 d3ddev = NULL;
LPDIRECT3DVERTEXBUFFER9 v_buffer = NULL;
LPDIRECT3DTEXTURE9 d3dTexture = NULL;
D3DPRESENT_PARAMETERS d3dpp;
HWND d3d_hwnd;
struct CUSTOMVERTEX
{
FLOAT x, y, z, rhw; // from the D3DFVF_XYZRHW flag
DWORD color; // from the D3DFVF_DIFFUSE flag
FLOAT tu, tv;
};
CUSTOMVERTEX OurVertices[] =
{
{ 0.0f, 0.0f, 1.0f, 1.0f, D3DCOLOR_XRGB(0, 0, 255), 0.0f, 0.0f},
{2048.0f, 2048.0f, 1.0f, 1.0f, D3DCOLOR_XRGB(0, 255, 0), 1.0f, 1.0f},
{ 0.0f, 2048.0f, 1.0f, 1.0f, D3DCOLOR_XRGB(255, 0, 0), 0.0f, 1.0f},
{ 0.0f, 0.0f, 1.0f, 1.0f, D3DCOLOR_XRGB(0, 0, 255), 0.0f, 0.0f},
{2048.0f, 0.0f, 1.0f, 1.0f, D3DCOLOR_XRGB(0, 255, 0), 1.0f, 0.0f},
{2048.0f, 2048.0f, 1.0f, 1.0f, D3DCOLOR_XRGB(255, 0, 0), 1.0f, 1.0f},
};
void d3d_init(HWND h)
{
VOID* pVoid; // the void pointer
D3DLOCKED_RECT dr;
RECT r;
int x, y;
uint32_t *p;
d3d_hwnd = h;
d3d = Direct3DCreate9(D3D_SDK_VERSION);
memset(&d3dpp, 0, sizeof(d3dpp));
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
d3dpp.SwapEffect = D3DSWAPEFFECT_FLIP;
d3dpp.hDeviceWindow = h;
d3dpp.BackBufferCount = 1;
d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
d3dpp.MultiSampleQuality = 0;
d3dpp.EnableAutoDepthStencil = false;
d3dpp.AutoDepthStencilFormat = D3DFMT_UNKNOWN;
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
d3dpp.Windowed = true;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
d3dpp.BackBufferWidth = 0;
d3dpp.BackBufferHeight = 0;
d3d->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, h, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &d3ddev);
d3ddev->SetTextureStageState(0,D3DTSS_COLOROP, D3DTOP_SELECTARG1);
d3ddev->SetTextureStageState(0,D3DTSS_COLORARG1, D3DTA_TEXTURE);
d3ddev->SetTextureStageState(0,D3DTSS_ALPHAOP, D3DTOP_DISABLE);
d3ddev->SetSamplerState(0,D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
d3ddev->SetSamplerState(0,D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
// create the vertex and store the pointer into v_buffer, which is created globally
d3ddev->CreateVertexBuffer(6*sizeof(CUSTOMVERTEX),
0,
D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_TEX1,
D3DPOOL_MANAGED,
&v_buffer,
NULL);
v_buffer->Lock(0, 0, (void**)&pVoid, 0); // lock the vertex buffer
memcpy(pVoid, OurVertices, sizeof(OurVertices)); // copy the vertices to the locked buffer
v_buffer->Unlock(); // unlock the vertex buffer
d3ddev->CreateTexture(2048, 2048, 1, 0, D3DFMT_X8R8G8B8, D3DPOOL_MANAGED, &d3dTexture, NULL);
r.top = r.left = 0;
r.bottom = r.right = 2047;
if (FAILED(d3dTexture->LockRect(0, &dr, &r, 0)))
fatal("LockRect failed\n");
for (y = 0; y < 2048; y++)
{
p = (uint32_t *)(dr.pBits + (y * dr.Pitch));
for (x = 0; x < 2048; x++)
{
p[x] = x + (y << 11);
}
}
d3dTexture->UnlockRect(0);
// atexit(d3d_close);
video_blit_memtoscreen = d3d_blit_memtoscreen;
video_blit_memtoscreen_8 = d3d_blit_memtoscreen_8;
}
void d3d_resize(int x, int y)
{
// d3d_close();
// d3d_init(d3d_hwnd);
d3dpp.BackBufferWidth = 0;
d3dpp.BackBufferHeight = 0;
d3ddev->Reset(&d3dpp);
}
void d3d_close()
{
if (d3dTexture)
{
d3dTexture->Release();
d3dTexture = NULL;
}
if (v_buffer)
{
v_buffer->Release();
v_buffer = NULL;
}
if (d3ddev)
{
d3ddev->Release();
d3ddev = NULL;
}
if (d3d)
{
d3d->Release();
d3d = NULL;
}
}
void d3d_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h)
{
VOID* pVoid;
float xmax, ymax;
D3DLOCKED_RECT dr;
RECT r;
uint32_t *p, *src;
int yy;
xmax = (float)w / 2048.0;
ymax = (float)h / 2048.0;
OurVertices[1].tu = OurVertices[4].tu = OurVertices[5].tu = xmax;
OurVertices[1].tv = OurVertices[2].tv = OurVertices[5].tv = ymax;
GetClientRect(d3d_hwnd, &r);
OurVertices[1].x = OurVertices[4].x = OurVertices[5].x = r.right - r.left;
OurVertices[1].y = OurVertices[2].y = OurVertices[5].y = r.bottom - r.top;
//pclog("Window %i, %i\n",
v_buffer->Lock(0, 0, (void**)&pVoid, 0); // lock the vertex buffer
memcpy(pVoid, OurVertices, sizeof(OurVertices)); // copy the vertices to the locked buffer
v_buffer->Unlock(); // unlock the vertex buffer
// clear the window to a deep blue
//d3ddev->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 40, 100), 1.0f, 0);
r.top = y1;
r.left = 0;
r.bottom = y2;
r.right = 2047;
if (FAILED(d3dTexture->LockRect(0, &dr, &r, 0)))
fatal("LockRect failed\n");
for (yy = y1; yy < y2; yy++)
memcpy(dr.pBits + (yy * dr.Pitch), &(((uint32_t *)buffer32->line[y + yy])[x]), w * 4);
d3dTexture->UnlockRect(0);
// d3dpp.BackBufferWidth = r.right - r.left;
// d3dpp.BackBufferHeight = r.bottom - r.top;
// d3ddev->Reset(&d3dpp);
d3ddev->BeginScene(); // begins the 3D scene
d3ddev->SetTexture( 0, d3dTexture );
// select which vertex format we are using
d3ddev->SetFVF(D3DFVF_XYZRHW | D3DFVF_DIFFUSE | D3DFVF_TEX1);
// select the vertex buffer to display
d3ddev->SetStreamSource(0, v_buffer, 0, sizeof(CUSTOMVERTEX));
// copy the vertex buffer to the back buffer
d3ddev->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 2);
d3ddev->SetTexture( 0, NULL );
d3ddev->EndScene(); // ends the 3D scene
d3ddev->Present(NULL, NULL, d3d_hwnd, NULL); // displays the created frame
}
void d3d_blit_memtoscreen_8(int x, int y, int w, int h)
{
// clear the window to a deep blue
d3ddev->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 40, 100), 1.0f, 0);
d3ddev->BeginScene(); // begins the 3D scene
// do 3D rendering on the back buffer here
d3ddev->EndScene(); // ends the 3D scene
d3ddev->Present(NULL, NULL, NULL, NULL); // displays the created frame
}