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authorAlex Deucher <[email protected]>2009-07-15 14:17:07 -0400
committerAlex Deucher <[email protected]>2009-07-15 14:17:07 -0400
commitc5c19919ce627b98d8aab4284da1694573bcccd4 (patch)
tree2e29b313b79b6a392e020fd5723e3cc00c800fd2 /progs/wgl/wglthreads/wglthreads.c
parenta0d4a12614fce072fa1eb5516e626909171c95e1 (diff)
parent3a3b83e5112b725e22f05b32a273a2351b820944 (diff)
Merge branch 'master' of git+ssh://[email protected]/git/mesa/mesa into r6xx-rewrite
This builds, but I get an assertion in radeonGetLock() due to the drawable being null.
Diffstat (limited to 'progs/wgl/wglthreads/wglthreads.c')
-rw-r--r--progs/wgl/wglthreads/wglthreads.c64
1 files changed, 42 insertions, 22 deletions
diff --git a/progs/wgl/wglthreads/wglthreads.c b/progs/wgl/wglthreads/wglthreads.c
index 9ca7f025dc3..27dca10f2a0 100644
--- a/progs/wgl/wglthreads/wglthreads.c
+++ b/progs/wgl/wglthreads/wglthreads.c
@@ -72,6 +72,7 @@ struct winthread {
int WinWidth, WinHeight;
GLboolean NewSize;
HANDLE hEventInitialised;
+ GLboolean Initialized;
GLboolean MakeNewTexture;
HANDLE hEventRedraw;
};
@@ -114,20 +115,20 @@ static void
MakeNewTexture(struct winthread *wt)
{
#define TEX_SIZE 128
- static float step = 0.0;
+ static float step = 0.0f;
GLfloat image[TEX_SIZE][TEX_SIZE][4];
GLint width;
int i, j;
for (j = 0; j < TEX_SIZE; j++) {
for (i = 0; i < TEX_SIZE; i++) {
- float dt = 5.0 * (j - 0.5 * TEX_SIZE) / TEX_SIZE;
- float ds = 5.0 * (i - 0.5 * TEX_SIZE) / TEX_SIZE;
+ float dt = 5.0f * (j - 0.5f * TEX_SIZE) / TEX_SIZE;
+ float ds = 5.0f * (i - 0.5f * TEX_SIZE) / TEX_SIZE;
float r = dt * dt + ds * ds + step;
image[j][i][0] =
image[j][i][1] =
- image[j][i][2] = 0.75 + 0.25 * cos(r);
- image[j][i][3] = 1.0;
+ image[j][i][2] = 0.75f + 0.25f * (float) cos(r);
+ image[j][i][3] = 1.0f;
}
}
@@ -159,7 +160,7 @@ static void
draw_object(void)
{
glPushMatrix();
- glScalef(0.75, 0.75, 0.75);
+ glScalef(0.75f, 0.75f, 0.75f);
glColor3f(1, 0, 0);
@@ -288,6 +289,15 @@ draw_loop(struct winthread *wt)
wglMakeCurrent(wt->hDC, wt->Context);
+ if (!wt->Initialized) {
+ printf("wglthreads: %d: GL_RENDERER = %s\n", wt->Index,
+ (char *) glGetString(GL_RENDERER));
+ if (Texture /*&& wt->Index == 0*/) {
+ MakeNewTexture(wt);
+ }
+ wt->Initialized = GL_TRUE;
+ }
+
if (Locking)
LeaveCriticalSection(&Mutex);
@@ -315,13 +325,15 @@ draw_loop(struct winthread *wt)
glPushMatrix();
glRotatef(wt->Angle, 0, 1, 0);
glRotatef(wt->Angle, 1, 0, 0);
- glScalef(0.7, 0.7, 0.7);
+ glScalef(0.7f, 0.7f, 0.7f);
draw_object();
glPopMatrix();
if (Locking)
EnterCriticalSection(&Mutex);
+
SwapBuffers(wt->hDC);
+
if (Locking)
LeaveCriticalSection(&Mutex);
@@ -433,7 +445,7 @@ create_window(struct winthread *wt, HGLRC shareCtx)
win = CreateWindowEx(0,
wc.lpszClassName,
"wglthreads",
- WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
+ WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TILEDWINDOW,
xpos,
ypos,
width,
@@ -471,7 +483,8 @@ create_window(struct winthread *wt, HGLRC shareCtx)
}
if (shareCtx) {
- wglShareLists(shareCtx, ctx);
+ if(!wglShareLists(shareCtx, ctx))
+ Error("Couldn't share WGL context lists");
}
/* save the info for this window/context */
@@ -482,14 +495,6 @@ create_window(struct winthread *wt, HGLRC shareCtx)
wt->WinWidth = width;
wt->WinHeight = height;
wt->NewSize = GL_TRUE;
-
- wglMakeCurrent(hdc, ctx);
- printf("wglthreads: %d: GL_RENDERER = %s\n", wt->Index, (char *) glGetString(GL_RENDERER));
- wglMakeCurrent(NULL, NULL);
-
- if (Texture/* && wt->Index == 0*/) {
- MakeNewTexture(wt);
- }
}
@@ -502,10 +507,22 @@ ThreadProc(void *p)
struct winthread *wt = (struct winthread *) p;
HGLRC share;
+ /* Wait for the previous thread */
+ if(Texture && wt->Index > 0) {
+ WaitForSingleObject(WinThreads[wt->Index - 1].hEventInitialised, INFINITE);
+ share = WinThreads[0].Context;
+ }
+ else
+ share = 0;
+
share = (Texture && wt->Index > 0) ? WinThreads[0].Context : 0;
create_window(wt, share);
SetEvent(wt->hEventInitialised);
+ /* Wait for all threads to initialize otherwise wglShareLists will fail */
+ if(wt->Index < NumWinThreads - 1)
+ WaitForSingleObject(WinThreads[NumWinThreads - 1].hEventInitialised, INFINITE);
+
draw_loop(wt);
return 0;
}
@@ -539,6 +556,7 @@ main(int argc, char *argv[])
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-h") == 0) {
usage();
+ exit(0);
}
else if (strcmp(argv[i], "-l") == 0) {
Locking = 1;
@@ -588,13 +606,17 @@ main(int argc, char *argv[])
printf("wglthreads: creating threads\n");
- /* Create the threads */
+ /* Create the events */
for (i = 0; i < NumWinThreads; i++) {
- DWORD id;
-
WinThreads[i].Index = i;
WinThreads[i].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
WinThreads[i].hEventRedraw = CreateEvent(NULL, FALSE, FALSE, NULL);
+ }
+
+ /* Create the threads */
+ for (i = 0; i < NumWinThreads; i++) {
+ DWORD id;
+
WinThreads[i].Thread = CreateThread(NULL,
0,
ThreadProc,
@@ -603,8 +625,6 @@ main(int argc, char *argv[])
&id);
printf("wglthreads: Created thread %p\n", (void *) WinThreads[i].Thread);
- WaitForSingleObject(WinThreads[i].hEventInitialised, INFINITE);
-
threads[i] = WinThreads[i].Thread;
}