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[client] egl: revert glsync changes

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`process` and `bind` are called from the same thread in order, there is
no need for atomic usage here.

This reverts commit 3d7dbd6371.
This reverts commit b3db1ba10b.
This commit is contained in:
Geoffrey McRae 2021-08-08 09:44:38 +10:00
parent e949f2f8d2
commit 037b76750a
2 changed files with 23 additions and 22 deletions
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25
client/renderers/EGL/texture_buffer.c
View File

@ -41,9 +41,11 @@ static void eglTexBuffer_cleanup(TextureBuffer * this)
if (this->sampler)
glDeleteSamplers(1, &this->sampler);
GLsync sync = atomic_exchange(&this->sync, 0);
if (sync)
glDeleteSync(sync);
if (this->sync)
{
glDeleteSync(this->sync);
this->sync = 0;
}
}
// common functions
@ -66,7 +68,6 @@ bool eglTexBuffer_init(EGL_Texture ** texture, EGLDisplay * display)
this = UPCAST(TextureBuffer, *texture);
this->texCount = 1;
atomic_init(&this->sync, 0);
return true;
}
@ -199,7 +200,7 @@ EGL_TexStatus eglTexBuffer_stream_process(EGL_Texture * texture)
GLuint tex = this->tex[this->bufIndex];
EGL_TexBuffer * buffer = &this->buf[this->bufIndex];
if (buffer->updated && atomic_load(&this->sync) == 0)
if (buffer->updated && this->sync == 0)
{
this->rIndex = this->bufIndex;
if (++this->bufIndex == this->texCount)
@ -225,8 +226,7 @@ EGL_TexStatus eglTexBuffer_stream_process(EGL_Texture * texture)
glBindTexture(GL_TEXTURE_2D, 0);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
GLsync sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glDeleteSync(atomic_exchange(&this->sync, sync));
this->sync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glFlush();
}
@ -240,14 +240,14 @@ EGL_TexStatus eglTexBuffer_stream_bind(EGL_Texture * texture)
if (this->rIndex == -1)
return EGL_TEX_STATUS_NOTREADY;
GLsync sync = atomic_exchange(&this->sync, 0);
if (sync)
if (this->sync)
{
switch(glClientWaitSync(sync, 0, 20000000)) // 20ms
switch(glClientWaitSync(this->sync, 0, 20000000)) // 20ms
{
case GL_ALREADY_SIGNALED:
case GL_CONDITION_SATISFIED:
glDeleteSync(sync);
glDeleteSync(this->sync);
this->sync = 0;
break;
case GL_TIMEOUT_EXPIRED:
@ -255,7 +255,8 @@ EGL_TexStatus eglTexBuffer_stream_bind(EGL_Texture * texture)
case GL_WAIT_FAILED:
case GL_INVALID_VALUE:
glDeleteSync(sync);
glDeleteSync(this->sync);
this->sync = 0;
DEBUG_GL_ERROR("glClientWaitSync failed");
return EGL_TEX_STATUS_ERROR;
}

2
client/renderers/EGL/texture_buffer.h
View File

@ -37,7 +37,7 @@ typedef struct TextureBuffer
GLuint sampler;
EGL_TexBuffer buf[EGL_TEX_BUFFER_MAX];
int bufFree;
_Atomic(GLsync) sync;
GLsync sync;
LG_Lock copyLock;
int bufIndex;
int rIndex;