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[client] improve streaming texture performance

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This commit is contained in:
Geoffrey McRae 2019-06-12 22:36:00 +10:00
parent 6d24dd52d6
commit 607539a2af
6 changed files with 145 additions and 63 deletions
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2
VERSION
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@ -1 +1 @@
B1-rc5-8-ge3343cbd01+1
B1-rc5-10-g75de895b62+1

42
client/renderers/EGL/desktop.c
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@ -56,6 +56,7 @@ struct EGL_Desktop
struct DesktopShader shader_yuv;
// internals
LG_Lock updateLock;
enum EGL_PixelFormat pixFmt;
unsigned int width, height;
unsigned int pitch;
@ -140,6 +141,8 @@ bool egl_desktop_init(EGL_Desktop ** desktop)
egl_model_set_default((*desktop)->model);
egl_model_set_texture((*desktop)->model, (*desktop)->texture);
LG_LOCK_INIT((*desktop)->updateLock);
(*desktop)->kbNV = app_register_keybind(SDL_SCANCODE_N, egl_desktop_toggle_nv, *desktop);
(*desktop)->nvMax = option_get_int("egl", "nvGainMax");
@ -165,6 +168,8 @@ void egl_desktop_free(EGL_Desktop ** desktop)
if (!*desktop)
return;
LG_LOCK_FREE((*desktop)->updateLock);
egl_texture_free(&(*desktop)->texture );
egl_shader_free (&(*desktop)->shader_generic.shader);
egl_shader_free (&(*desktop)->shader_yuv.shader );
@ -180,6 +185,7 @@ bool egl_desktop_prepare_update(EGL_Desktop * desktop, const bool sourceChanged,
{
if (sourceChanged)
{
LG_LOCK(desktop->updateLock);
switch(format.type)
{
case FRAME_TYPE_BGRA:
@ -204,24 +210,30 @@ bool egl_desktop_prepare_update(EGL_Desktop * desktop, const bool sourceChanged,
default:
DEBUG_ERROR("Unsupported frame format");
LG_UNLOCK(desktop->updateLock);
return false;
}
desktop->width = format.width;
desktop->height = format.height;
desktop->pitch = format.pitch;
}
desktop->data = data;
desktop->update = true;
/* defer the actual update as the format has changed and we need to issue GL commands first */
LG_UNLOCK(desktop->updateLock);
return true;
}
bool egl_desktop_perform_update(EGL_Desktop * desktop, const bool sourceChanged)
/* update the texture now */
return egl_texture_update(desktop->texture, data);
}
void egl_desktop_perform_update(EGL_Desktop * desktop, const bool sourceChanged)
{
if (sourceChanged)
{
LG_LOCK(desktop->updateLock);
if (!egl_texture_setup(
desktop->texture,
desktop->pixFmt,
@ -232,27 +244,26 @@ bool egl_desktop_perform_update(EGL_Desktop * desktop, const bool sourceChanged)
))
{
DEBUG_ERROR("Failed to setup the desktop texture");
return false;
LG_UNLOCK(desktop->updateLock);
return;
}
LG_UNLOCK(desktop->updateLock);
}
if (!desktop->update)
return true;
if (!egl_texture_update(desktop->texture, desktop->data))
if (desktop->update)
{
DEBUG_ERROR("Failed to update the desktop texture");
return false;
}
desktop->update = false;
return true;
egl_texture_update(desktop->texture, desktop->data);
}
}
void egl_desktop_render(EGL_Desktop * desktop, const float x, const float y, const float scaleX, const float scaleY, const bool nearest)
bool egl_desktop_render(EGL_Desktop * desktop, const float x, const float y, const float scaleX, const float scaleY, const bool nearest)
{
if (!desktop->shader)
return;
return false;
if (egl_texture_process(desktop->texture) != EGL_TEX_STATUS_OK)
return false;
const struct DesktopShader * shader = desktop->shader;
egl_shader_use(shader->shader);
@ -269,4 +280,5 @@ void egl_desktop_render(EGL_Desktop * desktop, const float x, const float y, con
glUniform1i(shader->uNV, 0);
egl_model_render(desktop->model);
return true;
}

4
client/renderers/EGL/desktop.h
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@ -29,5 +29,5 @@ bool egl_desktop_init(EGL_Desktop ** desktop);
void egl_desktop_free(EGL_Desktop ** desktop);
bool egl_desktop_prepare_update(EGL_Desktop * desktop, const bool sourceChanged, const LG_RendererFormat format, const uint8_t * data);
bool egl_desktop_perform_update(EGL_Desktop * desktop, const bool sourceChanged);
void egl_desktop_render(EGL_Desktop * desktop, const float x, const float y, const float scaleX, const float scaleY, const bool nearest);
void egl_desktop_perform_update(EGL_Desktop * desktop, const bool sourceChanged);
bool egl_desktop_render(EGL_Desktop * desktop, const float x, const float y, const float scaleX, const float scaleY, const bool nearest);

17
client/renderers/EGL/egl.c
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@ -318,9 +318,6 @@ bool egl_on_frame_event(void * opaque, const LG_RendererFormat format, const uin
return false;
}
if (!this->waitFadeTime)
this->waitFadeTime = microtime() + SPLASH_FADE_TIME;
return true;
}
@ -493,8 +490,12 @@ bool egl_render(void * opaque, SDL_Window * window)
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
egl_desktop_render(this->desktop, this->translateX, this->translateY, this->scaleX, this->scaleY, this->useNearest);
if (egl_desktop_render(this->desktop, this->translateX, this->translateY, this->scaleX, this->scaleY, this->useNearest))
{
if (!this->waitFadeTime)
this->waitFadeTime = microtime() + SPLASH_FADE_TIME;
egl_cursor_render(this->cursor);
}
if (!this->waitDone)
{
@ -535,13 +536,9 @@ bool egl_render(void * opaque, SDL_Window * window)
eglSwapBuffers(this->display, this->surface);
// defer texture uploads until after the flip to avoid stalling
if (!egl_desktop_perform_update(this->desktop, this->sourceChanged))
{
DEBUG_ERROR("Failed to perform the desktop update");
return false;
}
this->sourceChanged = false;
egl_desktop_perform_update(this->desktop, this->sourceChanged);
this->sourceChanged = false;
return true;
}

101
client/renderers/EGL/texture.c
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@ -32,6 +32,7 @@ struct EGL_Texture
enum EGL_PixelFormat pixFmt;
size_t width, height;
bool streaming;
bool ready;
int textureCount;
GLuint textures[3];
@ -44,10 +45,12 @@ struct EGL_Texture
bool hasPBO;
GLuint pbo[2];
int pboIndex;
bool needsUpdate;
int pboRIndex;
int pboWIndex;
int pboCount;
size_t pboBufferSize;
void * pboMap[2];
GLsync pboSync[2];
};
bool egl_texture_init(EGL_Texture ** texture)
@ -81,6 +84,9 @@ void egl_texture_free(EGL_Texture ** texture)
{
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, (*texture)->pbo[i]);
glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER);
if ((*texture)->pboSync[i])
glDeleteSync((*texture)->pboSync[i]);
}
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
glDeleteBuffers(2, (*texture)->pbo);
@ -98,6 +104,7 @@ bool egl_texture_setup(EGL_Texture * texture, enum EGL_PixelFormat pixFmt, size_
texture->width = width;
texture->height = height;
texture->streaming = streaming;
texture->ready = false;
switch(pixFmt)
{
@ -210,8 +217,7 @@ bool egl_texture_setup(EGL_Texture * texture, enum EGL_PixelFormat pixFmt, size_
texture->pboBufferSize,
NULL,
GL_MAP_PERSISTENT_BIT |
GL_MAP_WRITE_BIT |
GL_MAP_COHERENT_BIT
GL_MAP_WRITE_BIT
);
texture->pboMap[i] = glMapBufferRange(
@ -221,7 +227,8 @@ bool egl_texture_setup(EGL_Texture * texture, enum EGL_PixelFormat pixFmt, size_
GL_MAP_PERSISTENT_BIT |
GL_MAP_WRITE_BIT |
GL_MAP_UNSYNCHRONIZED_BIT |
GL_MAP_INVALIDATE_BUFFER_BIT
GL_MAP_INVALIDATE_BUFFER_BIT |
GL_MAP_FLUSH_EXPLICIT_BIT
);
if (!texture->pboMap[i])
@ -240,22 +247,23 @@ bool egl_texture_update(EGL_Texture * texture, const uint8_t * buffer)
{
if (texture->streaming)
{
if (texture->needsUpdate)
{
DEBUG_ERROR("Previous frame was not consumed");
return false;
}
/* NOTE: DO NOT use any gl commands here as streaming must be thread safe */
if (++texture->pboIndex == 2)
texture->pboIndex = 0;
if (texture->pboCount == 2)
return true;
/* update the GPU buffer */
memcpy(texture->pboMap[texture->pboIndex], buffer, texture->pboBufferSize);
memcpy(texture->pboMap[texture->pboWIndex], buffer, texture->pboBufferSize);
texture->pboSync[texture->pboWIndex] = 0;
texture->needsUpdate = true;
if (++texture->pboWIndex == 2)
texture->pboWIndex = 0;
++texture->pboCount;
}
else
{
/* Non streaming, this is NOT thread safe */
for(int i = 0; i < texture->textureCount; ++i)
{
glBindTexture(GL_TEXTURE_2D, texture->textures[i]);
@ -268,11 +276,53 @@ bool egl_texture_update(EGL_Texture * texture, const uint8_t * buffer)
return true;
}
void egl_texture_bind(EGL_Texture * texture)
enum EGL_TexStatus egl_texture_process(EGL_Texture * texture)
{
if (texture->streaming && texture->needsUpdate)
if (!texture->streaming)
return EGL_TEX_STATUS_OK;
if (texture->pboCount == 0)
return texture->ready ? EGL_TEX_STATUS_OK : EGL_TEX_STATUS_NOTREADY;
/* process any buffers that have not yet been flushed */
int pos = texture->pboRIndex;
for(int i = 0; i < texture->pboCount; ++i)
{
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture->pbo[texture->pboIndex]);
if (texture->pboSync[pos] == 0)
{
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture->pbo[pos]);
glFlushMappedBufferRange(GL_PIXEL_UNPACK_BUFFER, 0, texture->pboBufferSize);
texture->pboSync[pos] = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
}
if (++pos == 2)
pos = 0;
}
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
/* wait for the buffer to be ready */
pos = texture->pboRIndex;
switch(glClientWaitSync(texture->pboSync[pos], GL_SYNC_FLUSH_COMMANDS_BIT, 0))
{
case GL_ALREADY_SIGNALED:
case GL_CONDITION_SATISFIED:
break;
case GL_TIMEOUT_EXPIRED:
return texture->ready ? EGL_TEX_STATUS_OK : EGL_TEX_STATUS_NOTREADY;
case GL_WAIT_FAILED:
glDeleteSync(texture->pboSync[pos]);
DEBUG_ERROR("glClientWaitSync failed");
return EGL_TEX_STATUS_ERROR;
}
/* delete the sync and bind the buffer */
glDeleteSync(texture->pboSync[pos]);
texture->pboSync[pos] = 0;
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture->pbo[pos]);
/* update the textures */
for(int i = 0; i < texture->textureCount; ++i)
{
glBindTexture(GL_TEXTURE_2D, texture->textures[i]);
@ -283,15 +333,30 @@ void egl_texture_bind(EGL_Texture * texture)
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0);
glBindTexture(GL_TEXTURE_2D, 0);
texture->needsUpdate = false;
/* advance the read index */
if (++texture->pboRIndex == 2)
texture->pboRIndex = 0;
--texture->pboCount;
texture->ready = true;
return EGL_TEX_STATUS_OK;
}
enum EGL_TexStatus egl_texture_bind(EGL_Texture * texture)
{
/* if there are no new buffers ready, then just bind the textures */
if (texture->streaming && !texture->ready)
return EGL_TEX_STATUS_NOTREADY;
for(int i = 0; i < texture->textureCount; ++i)
{
glActiveTexture(GL_TEXTURE0 + i);
glBindTexture(GL_TEXTURE_2D, texture->textures[i]);
glBindSampler(i, texture->samplers[i]);
}
return EGL_TEX_STATUS_OK;
}
int egl_texture_count(EGL_Texture * texture)

10
client/renderers/EGL/texture.h
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@ -34,10 +34,18 @@ enum EGL_PixelFormat
EGL_PF_YUV420
};
enum EGL_TexStatus
{
EGL_TEX_STATUS_NOTREADY,
EGL_TEX_STATUS_OK,
EGL_TEX_STATUS_ERROR
};
bool egl_texture_init(EGL_Texture ** tex);
void egl_texture_free(EGL_Texture ** tex);
bool egl_texture_setup (EGL_Texture * texture, enum EGL_PixelFormat pixfmt, size_t width, size_t height, size_t stride, bool streaming);
bool egl_texture_update (EGL_Texture * texture, const uint8_t * buffer);
void egl_texture_bind (EGL_Texture * texture);
enum EGL_TexStatus egl_texture_process(EGL_Texture * texture);
enum EGL_TexStatus egl_texture_bind (EGL_Texture * texture);
int egl_texture_count (EGL_Texture * texture);