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[client] egl: improved streaming texture syncronization

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This commit is contained in:
Geoffrey McRae
2019-08-30 12:09:05 +10:00
parent e93bd7a3bf
commit 6d2c464436
3 changed files with 20 additions and 15 deletions
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23
client/renderers/EGL/texture.c
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@@ -19,6 +19,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "texture.h"
#include "common/debug.h"
#include "common/locking.h"
#include "debug.h"
#include "utils.h"
@@ -44,14 +45,14 @@ struct EGL_Texture
GLenum format;
GLenum dataType;
bool hasPBO;
GLuint pbo[2];
int pboRIndex;
int pboWIndex;
int pboCount;
size_t pboBufferSize;
void * pboMap[2];
GLsync pboSync[2];
bool hasPBO;
GLuint pbo[2];
int pboRIndex;
int pboWIndex;
volatile int pboCount;
size_t pboBufferSize;
void * pboMap[2];
GLsync pboSync[2];
};
bool egl_texture_init(EGL_Texture ** texture)
@@ -259,7 +260,7 @@ bool egl_texture_update(EGL_Texture * texture, const uint8_t * buffer)
if (++texture->pboWIndex == 2)
texture->pboWIndex = 0;
++texture->pboCount;
INTERLOCKED_INC(&texture->pboCount);
}
else
{
@@ -303,7 +304,7 @@ enum EGL_TexStatus egl_texture_process(EGL_Texture * texture)
/* wait for the buffer to be ready */
pos = texture->pboRIndex;
switch(glClientWaitSync(texture->pboSync[pos], GL_SYNC_FLUSH_COMMANDS_BIT, 0))
switch(glClientWaitSync(texture->pboSync[pos], 0, 0))
{
case GL_ALREADY_SIGNALED:
case GL_CONDITION_SATISFIED:
@@ -337,7 +338,7 @@ enum EGL_TexStatus egl_texture_process(EGL_Texture * texture)
/* advance the read index */
if (++texture->pboRIndex == 2)
texture->pboRIndex = 0;
--texture->pboCount;
INTERLOCKED_DEC(&texture->pboCount);
texture->ready = true;