void StreamBuffer::Init()
{
m_iterator = 0;
m_used_iterator = 0;
m_free_iterator = 0;
switch(m_uploadtype) {
case MAP_AND_SYNC:
fences = new GLsync[SYNC_POINTS];
for(u32 i=0; i<SYNC_POINTS; i++)
fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
case MAP_AND_ORPHAN:
case BUFFERSUBDATA:
glBindBuffer(m_buffertype, m_buffer);
glBufferData(m_buffertype, m_size, NULL, GL_STREAM_DRAW);
break;
case PINNED_MEMORY:
glGetError(); // errors before this allocation should be ignored
fences = new GLsync[SYNC_POINTS];
for(u32 i=0; i<SYNC_POINTS; i++)
fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
pointer = (u8*)AllocateAlignedMemory(ROUND_UP(m_size,ALIGN_PINNED_MEMORY), ALIGN_PINNED_MEMORY );
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, m_buffer);
glBufferData(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, ROUND_UP(m_size,ALIGN_PINNED_MEMORY), pointer, GL_STREAM_COPY);
glBindBuffer(GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD, 0);
glBindBuffer(m_buffertype, m_buffer);
// on error, switch to another backend. some old catalyst seems to have broken pinned memory support
if(glGetError() != GL_NO_ERROR) {
ERROR_LOG(VIDEO, "Pinned memory detected, but not working. Please report this: %s, %s, %s", g_ogl_config.gl_vendor, g_ogl_config.gl_renderer, g_ogl_config.gl_version);
Shutdown();
m_uploadtype = MAP_AND_SYNC;
Init();
}
break;
case MAP_AND_RISK:
glBindBuffer(m_buffertype, m_buffer);
glBufferData(m_buffertype, m_size, NULL, GL_STREAM_DRAW);
pointer = (u8*)glMapBufferRange(m_buffertype, 0, m_size, GL_MAP_WRITE_BIT);
glUnmapBuffer(m_buffertype);
if(!pointer)
ERROR_LOG(VIDEO, "Buffer allocation failed");
break;
case BUFFERDATA:
glBindBuffer(m_buffertype, m_buffer);
break;
case STREAM_DETECT:
case DETECT_MASK: // Just to shutup warnings
break;
}
}
void
piglit_init(int argc, char **argv)
{
GLsync sync;
GLenum ret1, ret2;
bool pass = true;
piglit_require_extension("GL_ARB_sync");
glClear(GL_COLOR_BUFFER_BIT);
sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
ret1 = glClientWaitSync(sync, GL_SYNC_FLUSH_COMMANDS_BIT, 0);
glFinish();
ret2 = glClientWaitSync(sync, 0, 0);
glDeleteSync(sync);
if (ret1 != GL_TIMEOUT_EXPIRED &&
ret1 != GL_ALREADY_SIGNALED) {
fprintf(stderr,
"On first wait:\n"
" Expected GL_ALREADY_SIGNALED or GL_TIMEOUT_EXPIRED\n"
" Got %s\n",
piglit_get_gl_enum_name(ret1));
pass = false;
}
if (ret2 != GL_ALREADY_SIGNALED) {
fprintf(stderr,
"On repeated wait:\n"
" Expected GL_ALREADY_SIGNALED\n"
" Got %s\n",
piglit_get_gl_enum_name(ret2));
pass = false;
}
glClear(GL_COLOR_BUFFER_BIT);
sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glFinish();
ret1 = glClientWaitSync(sync, GL_SYNC_FLUSH_COMMANDS_BIT, 0);
if (ret1 != GL_ALREADY_SIGNALED) {
fprintf(stderr,
"On wait after a finish:\n"
" Expected GL_ALREADY_SIGNALED\n"
" Got %s\n",
piglit_get_gl_enum_name(ret1));
pass = false;
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
void StreamBuffer::CreateFences()
{
for (int i = 0; i < SYNC_POINTS; i++)
{
m_fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
}
void Sync() {
uint32 segment_current = m_offset / m_seg_size;
uint32 segment_next = (m_offset + m_size) / m_seg_size;
if (segment_current != segment_next) {
if (segment_next >= countof(m_fence)) {
segment_next = 0;
}
// Align current transfer on the start of the segment
m_offset = m_seg_size * segment_next;
// protect the left segment
m_fence[segment_current] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
// Check next segment is free
if (m_fence[segment_next]) {
GLenum status = glClientWaitSync(m_fence[segment_next], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
// Potentially it doesn't work on AMD driver which might always return GL_CONDITION_SATISFIED
if (status != GL_ALREADY_SIGNALED) {
GL_PERF("GL_PIXEL_UNPACK_BUFFER: Sync Sync (%x)! Buffer too small ?", status);
}
glDeleteSync(m_fence[segment_next]);
m_fence[segment_next] = 0;
}
}
}
inline GLsync create_fence_sync()
{
ARC_GL_CLEAR_ERRORS();
auto r = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE,0);
ARC_GL_CHECK_FOR_ERRORS();
return r;
}
void
piglit_init(int argc, char **argv)
{
GLsync sync;
GLenum ret1, ret2;
piglit_require_extension("GL_ARB_sync");
glClear(GL_COLOR_BUFFER_BIT);
sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
ret1 = glClientWaitSync(sync, GL_SYNC_FLUSH_COMMANDS_BIT, ONE_SECOND);
ret2 = glClientWaitSync(sync, 0, ONE_SECOND);
if (ret1 == GL_TIMEOUT_EXPIRED) {
printf("timeout expired on the first wait\n");
piglit_report_result(PIGLIT_SKIP);
}
if (ret2 != GL_ALREADY_SIGNALED) {
fprintf(stderr,
"Expected GL_ALREADY_SIGNALED on second wait, got %s",
piglit_get_gl_enum_name(ret2));
piglit_report_result(PIGLIT_FAIL);
}
piglit_report_result(PIGLIT_PASS);
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLsync valid_sync;
GLsync invalid_sync = (GLsync)20;
if (piglit_get_gl_version() < 32) {
piglit_require_extension("GL_ARB_sync");
}
valid_sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
/* test that valid parameters passed results in NO_ERROR */
glWaitSync(valid_sync, 0, GL_TIMEOUT_IGNORED);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
/* test that invalid sync results in INVALID_VALUE */
glWaitSync(invalid_sync, 0, GL_TIMEOUT_IGNORED);
pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
/* test that invalid flag value results in INVALID_VALUE */
glWaitSync(valid_sync, 3, GL_TIMEOUT_IGNORED);
pass = piglit_check_gl_error(GL_INVALID_VALUE) && pass;
glDeleteSync(valid_sync);
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result
piglit_display(void)
{
GLsync fence;
bool pass = true;
glViewport(0, 0, piglit_width, piglit_height);
glClearColor(0.2, 0.2, 0.2, 0.2);
glClear(GL_COLOR_BUFFER_BIT);
memcpy(map, red, sizeof(red));
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
/* Wait for any previous rendering to finish before updating
* the texture buffer
*/
fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glClientWaitSync(fence, GL_SYNC_FLUSH_COMMANDS_BIT,
GL_TIMEOUT_IGNORED);
memcpy(map, green, sizeof(green));
glDrawArrays(GL_TRIANGLE_FAN, 4, 4);
pass = piglit_probe_rect_rgba(
0, 0, piglit_width / 2, piglit_height, red) && pass;
pass = piglit_probe_rect_rgba(piglit_width / 2, 0,
piglit_width / 2, piglit_height,
green) && pass;
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void GLSync::init() {
if (m_sync != 0)
cleanup();
m_sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glFlush();
if (m_sync == 0)
Log(EError, "Unable to create a memory sync object!");
}
GLsync renderer::fence() const {
#if BUILD_OPENGL
const auto s = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
return s;
#else
return 0;
#endif
}
void render() {
draw(gps.dimx*gps.dimy*6);
if (init.display.flag.has_flag(INIT_DISPLAY_FLAG_ARB_SYNC) && GL_ARB_sync) {
assert(enabler.sync == NULL);
enabler.sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
SDL_GL_SwapBuffers();
}
void StreamBuffer::AllocMemory(u32 size)
{
// insert waiting slots for used memory
for (int i = Slot(m_used_iterator); i < Slot(m_iterator); i++)
{
m_fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
m_used_iterator = m_iterator;
// wait for new slots to end of buffer
for (int i = Slot(m_free_iterator) + 1; i <= Slot(m_iterator + size) && i < SYNC_POINTS; i++)
{
glClientWaitSync(m_fences[i], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
glDeleteSync(m_fences[i]);
}
// If we allocate a large amount of memory (A), commit a smaller amount, then allocate memory
// smaller than allocation A, we will have already waited for these fences in A, but not used
// the space. In this case, don't set m_free_iterator to a position before that which we know
// is safe to use, which would result in waiting on the same fence(s) next time.
if ((m_iterator + size) > m_free_iterator)
m_free_iterator = m_iterator + size;
// if buffer is full
if (m_iterator + size >= m_size)
{
// insert waiting slots in unused space at the end of the buffer
for (int i = Slot(m_used_iterator); i < SYNC_POINTS; i++)
{
m_fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
// move to the start
m_used_iterator = m_iterator = 0; // offset 0 is always aligned
// wait for space at the start
for (int i = 0; i <= Slot(m_iterator + size); i++)
{
glClientWaitSync(m_fences[i], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
glDeleteSync(m_fences[i]);
}
m_free_iterator = m_iterator + size;
}
}
void GL::ComputeShader::dispatch(ivec3 group_count)
{
glDispatchCompute((GLuint)group_count.x,
(GLuint)group_count.y,
(GLuint)group_count.z);
// Force sync
GLsync sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
//glWaitSync(sync, 0, GL_TIMEOUT_IGNORED);
glDeleteSync(sync);
}
void StreamBuffer::AllocMemory(u32 size)
{
// insert waiting slots for used memory
for (int i = Slot(m_used_iterator); i < Slot(m_iterator); i++)
{
if (!m_fences[i])
{
m_fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
}
m_used_iterator = m_iterator;
u32 start_fence = Slot(m_free_iterator) + 1;
// if buffer is full
if (m_iterator + size >= m_size)
{
// insert waiting slots in unused space at the end of the buffer
for (int i = Slot(m_used_iterator); i < SYNC_POINTS; i++)
{
if (!m_fences[i])
{
glDeleteSync(m_fences[i]);
}
m_fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
// move to the start
m_used_iterator = m_iterator = 0; // offset 0 is always aligned
// wait for space at the start
start_fence = 0;
}
u32 end_fence = std::min(Slot(m_iterator + size), SYNC_POINTS - 1);
for (u32 i = start_fence; i <= end_fence; i++)
{
if (m_fences[i])
{
glClientWaitSync(m_fences[i], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
glDeleteSync(m_fences[i]);
m_fences[i] = 0;
}
}
m_free_iterator = m_iterator + size;
}
void GLSink::draw()
{
unsigned int uiBufferIdx;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Update stream
glBindTexture(GL_TEXTURE_2D, m_uiTexture);
FrameData* pFrame = NULL;
// block until new frame is available
uiBufferIdx = m_pSyncBuffer->getBufferForReading((void*&)pFrame);
m_pInputBuffer->bindBuffer(pFrame->uiBufferId);
if (m_bUseP2P)
{
// This is a non-blocking call, but the GPU is instructed to wait until
// the marker value is pFrame->uiTransferId before processing the subsequent
// instructions
m_pInputBuffer->waitMarker(pFrame->uiTransferId);
}
// Copy bus addressable buffer into texture object
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_uiTextureWidth, m_uiTextureHeight, m_nExtFormat, m_nType, NULL);
// Insert fence to determine when the buffer was copied into the texture
// and we can release the buffer
GLsync Fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
// Draw quad with mapped texture
glPushMatrix();
// Scale quad to the AR of the incoming texture
glScalef(m_fAspectRatio, 1.0f, 1.0f);
// Draw quad with mapped texture
glBindBuffer(GL_ARRAY_BUFFER, m_uiQuad);
glDrawArrays(GL_QUADS, 0, 4);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glPopMatrix();
glBindTexture(GL_TEXTURE_2D, 0);
// Wait until buffer is no longer needed and release it
if (glIsSync(Fence))
{
glClientWaitSync(Fence, GL_SYNC_FLUSH_COMMANDS_BIT, OneSecond);
glDeleteSync(Fence);
}
m_pSyncBuffer->releaseReadBuffer();
}
void RenderThread::renderFrame() {
auto windowSize = _window->geometry().size();
uvec2 readFboSize;
uint32_t readFbo{ 0 };
if (_activeFrame) {
const auto &frame = _activeFrame;
_backend->recycle();
_backend->syncCache();
_gpuContext->enableStereo(frame->stereoState._enable);
if (frame && !frame->batches.empty()) {
_gpuContext->executeFrame(frame);
}
auto &glBackend = static_cast<gpu::gl::GLBackend&>(*_backend);
readFbo = glBackend.getFramebufferID(frame->framebuffer);
readFboSize = frame->framebuffer->getSize();
CHECK_GL_ERROR();
} else {
hifi::qml::OffscreenSurface::TextureAndFence newTextureAndFence;
if (_offscreen->fetchTexture(newTextureAndFence)) {
if (_uiTexture != 0) {
auto readFence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glFlush();
_offscreen->getDiscardLambda()(_uiTexture, readFence);
_uiTexture = 0;
}
glWaitSync((GLsync)newTextureAndFence.second, 0, GL_TIMEOUT_IGNORED);
glDeleteSync((GLsync)newTextureAndFence.second);
_uiTexture = newTextureAndFence.first;
glBindFramebuffer(GL_READ_FRAMEBUFFER, _uiFbo);
glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, _uiTexture, 0);
}
if (_uiTexture != 0) {
readFbo = _uiFbo;
readFboSize = { windowSize.width(), windowSize.height() };
}
}
if (readFbo) {
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBindFramebuffer(GL_READ_FRAMEBUFFER, readFbo);
glBlitFramebuffer(
0, 0, readFboSize.x, readFboSize.y,
0, 0, windowSize.width(), windowSize.height(),
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
} else {
glClearColor(1, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
}
_glContext.swapBuffers();
}
static void opengl_fence(int command) {
#ifdef USE_GLES
#else
if (command == FENCE_SET) {
if (g_has_nv_fence) {
//printf("...\n");
glSetFenceNV(g_fence, GL_ALL_COMPLETED_NV);
CHECK_GL_ERROR_MSG("glSetFenceNV(g_fence, GL_ALL_COMPLETED_NV)");
}
else if (g_has_apple_fence) {
glSetFenceAPPLE(g_fence);
CHECK_GL_ERROR_MSG("glSetFenceAPPLE(g_fence)");
}
else if (g_has_arb_sync) {
g_sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
CHECK_GL_ERROR_MSG("glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0)");
}
}
else if (command == FENCE_WAIT) {
if (g_has_nv_fence) {
//printf("-- f --\n");
//glFinishFenceNV(g_fence);
//int64_t t1 = fs_get_monotonic_time();
//fs_ml_usleep(10000);
while (!glTestFenceNV(g_fence)) {
CHECK_GL_ERROR_MSG("glTestFenceNV(g_fence)");
//printf("-> %lld\n", fs_get_monotonic_time() - t1);
//printf("%d\n", glGetError());
fs_ml_usleep(1000);
//printf("-> %lld\n", fs_get_monotonic_time() - t1);
}
CHECK_GL_ERROR_MSG("glTestFenceNV(g_fence)");
}
else if (g_has_apple_fence) {
while (!glTestFenceAPPLE(g_fence)) {
CHECK_GL_ERROR_MSG("glTestFenceAPPLE(g_fence)");
fs_ml_usleep(1000);
}
CHECK_GL_ERROR_MSG("glTestFenceAPPLE(g_fence)");
}
else if (g_has_arb_sync) {
int flags = GL_SYNC_FLUSH_COMMANDS_BIT;
while (glClientWaitSync(g_sync, flags, 0)
== GL_TIMEOUT_EXPIRED) {
CHECK_GL_ERROR_MSG("glClientWaitSync(g_sync, flags, 0)");
flags = 0;
fs_ml_usleep(1000);
}
CHECK_GL_ERROR_MSG("glClientWaitSync(g_sync, flags, 0)");
}
}
#endif
}
///
// Main rendering call for the scene
//
void renderScene(void)
{
glClearColor(0.0f, 0.0f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
globalSync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE,0);
computeTexture();
computeVBO();
//displayTexture(imWidth, imHeight);
renderVBO(vbolen);
glutSwapBuffers();
}
void wined3d_event_query_issue(struct wined3d_event_query *query, IWineD3DDeviceImpl *device)
{
const struct wined3d_gl_info *gl_info;
struct wined3d_context *context;
if (query->context)
{
if (!query->context->gl_info->supported[ARB_SYNC] && query->context->tid != GetCurrentThreadId())
{
#ifdef VBOX_WINE_WITH_SINGLE_CONTEXT
ERR("unexpected\n");
#endif
context_free_event_query(query);
context = context_acquire(device, NULL, CTXUSAGE_RESOURCELOAD);
context_alloc_event_query(context, query);
}
else
{
context = context_acquire(device, query->context->current_rt, CTXUSAGE_RESOURCELOAD);
}
}
else
{
context = context_acquire(device, NULL, CTXUSAGE_RESOURCELOAD);
context_alloc_event_query(context, query);
}
gl_info = context->gl_info;
ENTER_GL();
if (gl_info->supported[ARB_SYNC])
{
if (query->object.sync) GL_EXTCALL(glDeleteSync(query->object.sync));
checkGLcall("glDeleteSync");
query->object.sync = GL_EXTCALL(glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0));
checkGLcall("glFenceSync");
}
else if (gl_info->supported[APPLE_FENCE])
{
GL_EXTCALL(glSetFenceAPPLE(query->object.id));
checkGLcall("glSetFenceAPPLE");
}
else if (gl_info->supported[NV_FENCE])
{
GL_EXTCALL(glSetFenceNV(query->object.id, GL_ALL_COMPLETED_NV));
checkGLcall("glSetFenceNV");
}
LEAVE_GL();
context_release(context);
}
void StreamBuffer::AllocMemory(u32 size)
{
// insert waiting slots for used memory
for (int i = SLOT(m_used_iterator); i < SLOT(m_iterator); i++)
{
fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
m_used_iterator = m_iterator;
// wait for new slots to end of buffer
for (int i = SLOT(m_free_iterator) + 1; i <= SLOT(m_iterator + size) && i < SYNC_POINTS; i++)
{
glClientWaitSync(fences[i], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
glDeleteSync(fences[i]);
}
m_free_iterator = m_iterator + size;
// if buffer is full
if (m_iterator + size >= m_size)
{
// insert waiting slots in unused space at the end of the buffer
for (int i = SLOT(m_used_iterator); i < SYNC_POINTS; i++)
{
fences[i] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
// move to the start
m_used_iterator = m_iterator = 0; // offset 0 is always aligned
// wait for space at the start
for (int i = 0; i <= SLOT(m_iterator + size); i++)
{
glClientWaitSync(fences[i], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
glDeleteSync(fences[i]);
}
m_free_iterator = m_iterator + size;
}
}
void NvSharedVBOGL::EndUpdate()
{
#if !USE_PERSISTENT_MAPPING
if (0 == m_vbo)
{
return;
}
glBindBuffer(GL_ARRAY_BUFFER, m_vbo);
glFlushMappedBufferRange(GL_ARRAY_BUFFER, 0, m_dataSize);
glUnmapBuffer(GL_ARRAY_BUFFER);
#endif
m_fences[m_index] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
/*
============
R_RotateRingbuffer
============
*/
static GLsizei R_RotateRingbuffer( glRingbuffer_t *rb ) {
rb->syncs[ rb->activeSegment ] = glFenceSync( GL_SYNC_GPU_COMMANDS_COMPLETE, 0 );
rb->activeSegment++;
if( rb->activeSegment >= DYN_BUFFER_SEGMENTS )
rb->activeSegment = 0;
// wait until next segment is ready in 1 sec intervals
while( glClientWaitSync( rb->syncs[ rb->activeSegment ], GL_SYNC_FLUSH_COMMANDS_BIT,
10000000 ) == GL_TIMEOUT_EXPIRED ) {
ri.Printf( PRINT_WARNING, "long wait for GL buffer" );
};
glDeleteSync( rb->syncs[ rb->activeSegment ] );
return rb->activeSegment * rb->segmentElements;
}
void wined3d_event_query_issue(struct wined3d_event_query *query, const struct wined3d_device *device)
{
const struct wined3d_gl_info *gl_info;
struct wined3d_context *context;
if (query->context)
{
if (!query->context->gl_info->supported[ARB_SYNC] && query->context->tid != GetCurrentThreadId())
{
context_free_event_query(query);
context = context_acquire(device, NULL);
context_alloc_event_query(context, query);
}
else
{
context = context_acquire(device, query->context->current_rt);
}
}
else
{
context = context_acquire(device, NULL);
context_alloc_event_query(context, query);
}
gl_info = context->gl_info;
if (gl_info->supported[ARB_SYNC])
{
if (query->object.sync) GL_EXTCALL(glDeleteSync(query->object.sync));
checkGLcall("glDeleteSync");
query->object.sync = GL_EXTCALL(glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0));
checkGLcall("glFenceSync");
}
else if (gl_info->supported[APPLE_FENCE])
{
GL_EXTCALL(glSetFenceAPPLE(query->object.id));
checkGLcall("glSetFenceAPPLE");
}
else if (gl_info->supported[NV_FENCE])
{
GL_EXTCALL(glSetFenceNV(query->object.id, GL_ALL_COMPLETED_NV));
checkGLcall("glSetFenceNV");
}
context_release(context);
}
/*
============
R_InitRingbuffer
============
*/
static void R_InitRingbuffer( GLenum target, GLsizei elementSize,
GLsizei segmentElements, glRingbuffer_t *rb ) {
GLsizei totalSize = elementSize * segmentElements * DYN_BUFFER_SEGMENTS;
int i;
glBufferStorage( target, totalSize, nullptr,
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT );
rb->baseAddr = glMapBufferRange( target, 0, totalSize,
GL_MAP_WRITE_BIT |
GL_MAP_PERSISTENT_BIT |
GL_MAP_FLUSH_EXPLICIT_BIT );
rb->elementSize = elementSize;
rb->segmentElements = segmentElements;
rb->activeSegment = 0;
for( i = 1; i < DYN_BUFFER_SEGMENTS; i++ ) {
rb->syncs[ i ] = glFenceSync( GL_SYNC_GPU_COMMANDS_COMPLETE, 0 );
}
}
void GLSink::draw()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Update stream
glBindTexture(GL_TEXTURE_2D, m_uiTexture);
FrameData* pFrame = NULL;
// block until new frame is available
m_uiBufferIdx = m_pInputBuffer->getBufferForReading((void*&)pFrame);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, m_pUnPackBuffer[m_uiBufferIdx]);
glWaitMarkerAMD(m_pUnPackBuffer[m_uiBufferIdx], pFrame->uiTransferId);
// Copy pinned mem to texture
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, m_uiTextureWidth, m_uiTextureHeight, m_nExtFormat, m_nType, NULL);
// Insert fence to determine when we can release the buffer
GLsync Fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glPushMatrix();
// Scale quad to the AR of the incoming texture
glScalef(m_fAspectRatio, 1.0f, 1.0f);
// Draw quad with mapped texture
glBindBuffer(GL_ARRAY_BUFFER, m_uiQuad);
glDrawArrays(GL_QUADS, 0, 4);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glPopMatrix();
glBindTexture(GL_TEXTURE_2D, 0);
if (glIsSync(Fence))
{
glClientWaitSync(Fence, GL_SYNC_FLUSH_COMMANDS_BIT, OneSecond);
glDeleteSync(Fence);
}
m_pInputBuffer->releaseReadBuffer();
}
void EmitParticles ( ESContext *esContext, float deltaTime )
{
UserData *userData = esContext->userData;
GLuint srcVBO = userData->particleVBOs[ userData->curSrcIndex ];
GLuint dstVBO = userData->particleVBOs[ ( userData->curSrcIndex + 1 ) % 2 ];
glUseProgram ( userData->emitProgramObject );
SetupVertexAttributes ( esContext, srcVBO );
// Set transform feedback buffer
glBindBuffer ( GL_TRANSFORM_FEEDBACK_BUFFER, dstVBO );
glBindBufferBase ( GL_TRANSFORM_FEEDBACK_BUFFER, 0, dstVBO );
// Turn off rasterization - we are not drawing
glEnable ( GL_RASTERIZER_DISCARD );
// Set uniforms
glUniform1f ( userData->emitTimeLoc, userData->time );
glUniform1f ( userData->emitEmissionRateLoc, EMISSION_RATE );
// Bind the 3D noise texture
glActiveTexture ( GL_TEXTURE0 );
glBindTexture ( GL_TEXTURE_3D, userData->noiseTextureId );
glUniform1i ( userData->emitNoiseSamplerLoc, 0 );
// Emit particles using transform feedback
glBeginTransformFeedback ( GL_POINTS );
glDrawArrays ( GL_POINTS, 0, NUM_PARTICLES );
glEndTransformFeedback();
// Create a sync object to ensure transform feedback results are completed before the draw that uses them.
userData->emitSync = glFenceSync ( GL_SYNC_GPU_COMMANDS_COMPLETE, 0 );
// Restore state
glDisable ( GL_RASTERIZER_DISCARD );
glUseProgram ( 0 );
glBindBufferBase ( GL_TRANSFORM_FEEDBACK_BUFFER, 0, 0 );
glBindBuffer ( GL_ARRAY_BUFFER, 0 );
glBindTexture ( GL_TEXTURE_3D, 0 );
// Ping pong the buffers
userData->curSrcIndex = ( userData->curSrcIndex + 1 ) % 2;
}
void NextPboWithSync() {
m_fence[m_current_pbo] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
NextPbo();
if (m_fence[m_current_pbo]) {
#ifdef ENABLE_OGL_DEBUG_FENCE
GLenum status = glClientWaitSync(m_fence[m_current_pbo], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
#else
glClientWaitSync(m_fence[m_current_pbo], GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
#endif
glDeleteSync(m_fence[m_current_pbo]);
m_fence[m_current_pbo] = 0;
#ifdef ENABLE_OGL_DEBUG_FENCE
if (status != GL_ALREADY_SIGNALED) {
fprintf(stderr, "GL_PIXEL_UNPACK_BUFFER: Sync Sync! Buffer too small\n");
}
#endif
}
}
enum piglit_result
piglit_display(void)
{
GLsync fence;
bool pass = true;
int x0 = piglit_width / 4;
int x1 = piglit_width * 3 / 4;
int y0 = piglit_height / 4;
int y1 = piglit_height * 3 / 4;
int i;
glViewport(0, 0, piglit_width, piglit_height);
glClear(GL_COLOR_BUFFER_BIT);
for (i = 0; i < NUM_SQUARES; i++) {
/* Wait for any previous rendering to finish before
* updating the UBOs
*/
fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glClientWaitSync(fence, GL_SYNC_FLUSH_COMMANDS_BIT,
GL_TIMEOUT_IGNORED);
/* Load UBO data */
memcpy(ubos[0], pos_size[i], sizeof(pos_size[0]));
memcpy(ubos[1], color[i], sizeof(color[0]));
memcpy(ubos[2], &rotation[i], sizeof(rotation[0]));
piglit_draw_rect(-1, -1, 2, 2);
}
pass = probe(x0, y0, 0) && pass;
pass = probe(x1, y0, 1) && pass;
pass = probe(x0, y1, 2) && pass;
pass = probe(x1, y1, 3) && pass;
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
bool render()
{
glm::ivec2 WindowSize(this->getWindowSize());
{
glBindBuffer(GL_UNIFORM_BUFFER, BufferName[buffer::TRANSFORM]);
glm::mat4* Pointer = (glm::mat4*)glMapBufferRange(
GL_UNIFORM_BUFFER, 0, sizeof(glm::mat4),
GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
glm::mat4 Projection = glm::perspective(glm::pi<float>() * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
glm::mat4 Model = glm::mat4(1.0f);
*Pointer = Projection * this->view() * Model;
// Make sure the uniform buffer is uploaded
glUnmapBuffer(GL_UNIFORM_BUFFER);
}
glViewport(0, 0, WindowSize.x, WindowSize.y);
glClearBufferfv(GL_COLOR, 0, &glm::vec4(1.0f, 0.5f, 0.0f, 1.0f)[0]);
SyncName = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glUseProgram(ProgramName);
glUniform1i(UniformDiffuse, 0);
glUniformBlockBinding(ProgramName, UniformTransform, semantic::uniform::TRANSFORM0);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName);
glBindBufferBase(GL_UNIFORM_BUFFER, semantic::uniform::TRANSFORM0, BufferName[buffer::TRANSFORM]);
glBindVertexArray(VertexArrayName);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
GLint64 MaxTimeout(1000);
GLenum Result = glClientWaitSync(SyncName, GL_SYNC_FLUSH_COMMANDS_BIT, (GLuint64)MaxTimeout);
return true;
}
static bool
test_object_ptr_label()
{
GLsync sync;
GLsizei length;
GLchar label[TestLabelLen + 1];
bool pass = true;
puts("Test ObjectPtrLabel");
/* basic check to see if glObjectPtrLabel/glGetObjectPtrLabel
* set/get the label
*/
sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
ObjectPtrLabel(sync, -1, TestLabel);
GetObjectPtrLabel(sync, TestLabelLen + 1, &length, label);
if (length != TestLabelLen || (strcmp(TestLabel, label) != 0)) {
fprintf(stderr, "Label or length does not match\n");
printf(" actual label: %s actual length: %i\n", label, length);
printf(" expected label: %s expected length: %i\n", TestLabel, TestLabelLen);
pass = false;
}
glDeleteSync(sync);
/* An INVALID_VALUE is generated if the <ptr> parameter of ObjectPtrLabel
* is not the name of a sync object.
*/
ObjectPtrLabel(NULL, length, label);
if (!piglit_check_gl_error(GL_INVALID_VALUE)) {
fprintf(stderr, "GL_INVALID_VALUE should be generated when ObjectPtrLabel()"
" ptr is not the name of a sync object\n");
pass = false;
}
return pass;
}