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[client] interface: switch to using UPCAST for the renderer's data

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This commit is contained in:
Geoffrey McRae 2021-08-08 15:32:01 +10:00
parent 45d1f27fb4
commit f8ae291090
5 changed files with 121 additions and 118 deletions
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43
client/include/interface/renderer.h
View File

@ -94,6 +94,8 @@ typedef enum LG_RendererCursor
}
LG_RendererCursor;
typedef struct LG_Renderer LG_Renderer;
typedef struct LG_RendererOps
{
/* returns the friendly name of the renderer */
@ -105,62 +107,69 @@ typedef struct LG_RendererOps
/* creates an instance of the renderer
* Context: lg_run */
bool (*create)(void ** opaque, const LG_RendererParams params,
bool (*create)(LG_Renderer ** renderer, const LG_RendererParams params,
bool * needsOpenGL);
/* initializes the renderer for use
* Context: lg_run */
bool (*initialize)(void * opaque);
bool (*initialize)(LG_Renderer * renderer);
/* deinitializes & frees the renderer
* Context: lg_run & renderThread */
void (*deinitialize)(void * opaque);
void (*deinitialize)(LG_Renderer * renderer);
/* returns true if the specified feature is supported
* Context: renderThread */
bool (*supports)(void * opaque, LG_RendererSupport support);
bool (*supports)(LG_Renderer * renderer, LG_RendererSupport support);
/* called when the renderer is to reset it's state
* Context: lg_run & frameThread */
void (*on_restart)(void * opaque);
void (*on_restart)(LG_Renderer * renderer);
/* called when the viewport has been resized
* Context: renderThrtead */
void (*on_resize)(void * opaque, const int width, const int height,
void (*on_resize)(LG_Renderer * renderer, const int width, const int height,
const double scale, const LG_RendererRect destRect,
LG_RendererRotate rotate);
/* called when the mouse shape has changed
* Context: cursorThread */
bool (*on_mouse_shape)(void * opaque, const LG_RendererCursor cursor,
const int width, const int height, const int pitch,
const uint8_t * data);
bool (*on_mouse_shape)(LG_Renderer * renderer, const LG_RendererCursor cursor,
const int width, const int height, const int pitch, const uint8_t * data);
/* called when the mouse has moved or changed visibillity
* Context: cursorThread */
bool (*on_mouse_event)(void * opaque, const bool visible,
const int x, const int y);
bool (*on_mouse_event)(LG_Renderer * renderer, const bool visible, const int x,
const int y);
/* called when the frame format has changed
* Context: frameThread */
bool (*on_frame_format)(void * opaque, const LG_RendererFormat format);
bool (*on_frame_format)(LG_Renderer * renderer,
const LG_RendererFormat format);
/* called when there is a new frame
* Context: frameThread */
bool (*on_frame)(void * opaque, const FrameBuffer * frame, int dmaFD,
bool (*on_frame)(LG_Renderer * renderer, const FrameBuffer * frame, int dmaFD,
const FrameDamageRect * damage, int damageCount);
/* called when the rederer is to startup
* Context: renderThread */
bool (*render_startup)(void * opaque, bool useDMA);
bool (*render_startup)(LG_Renderer * renderer, bool useDMA);
/* returns if the render method must be called even if nothing has changed.
* Context: renderThread */
bool (*needs_render)(void * opaque);
bool (*needs_render)(LG_Renderer * renderer);
/* called to render the scene
* Context: renderThread */
bool (*render)(void * opaque, LG_RendererRotate rotate, const bool newFrame,
const bool invalidateWindow, void (*preSwap)(void * udata), void * udata);
bool (*render)(LG_Renderer * renderer, LG_RendererRotate rotate,
const bool newFrame, const bool invalidateWindow,
void (*preSwap)(void * udata), void * udata);
}
LG_RendererOps;
typedef struct LG_Renderer
{
LG_RendererOps ops;
}
LG_Renderer;

64
client/renderers/EGL/egl.c
View File

@ -63,6 +63,8 @@ struct Options
struct Inst
{
LG_Renderer base;
bool dmaSupport;
LG_RendererParams params;
struct Options opt;
@ -192,22 +194,23 @@ static void egl_setup(void)
option_register(egl_options);
}
static bool egl_create(void ** opaque, const LG_RendererParams params, bool * needsOpenGL)
static bool egl_create(LG_Renderer ** renderer, const LG_RendererParams params,
bool * needsOpenGL)
{
// check if EGL is even available
if (!eglQueryString(EGL_NO_DISPLAY, EGL_VERSION))
return false;
// create our local storage
*opaque = calloc(1, sizeof(struct Inst));
if (!*opaque)
struct Inst * this = calloc(1, sizeof(*this));
if (!this)
{
DEBUG_INFO("Failed to allocate %lu bytes", sizeof(struct Inst));
DEBUG_INFO("Failed to allocate %lu bytes", sizeof(*this));
return false;
}
*renderer = &this->base;
// safe off parameteres and init our default option values
struct Inst * this = (struct Inst *)*opaque;
memcpy(&this->params, &params, sizeof(LG_RendererParams));
this->opt.vsync = option_get_bool("egl", "vsync");
@ -231,16 +234,16 @@ static bool egl_create(void ** opaque, const LG_RendererParams params, bool * ne
return true;
}
static bool egl_initialize(void * opaque)
static bool egl_initialize(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
DEBUG_INFO("Double buffering is %s", this->opt.doubleBuffer ? "on" : "off");
return true;
}
static void egl_deinitialize(void * opaque)
static void egl_deinitialize(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
if (this->imgui)
ImGui_ImplOpenGL3_Shutdown();
@ -269,9 +272,9 @@ static void egl_deinitialize(void * opaque)
free(this);
}
static bool egl_supports(void * opaque, LG_RendererSupport flag)
static bool egl_supports(LG_Renderer * renderer, LG_RendererSupport flag)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
switch(flag)
{
@ -283,9 +286,9 @@ static bool egl_supports(void * opaque, LG_RendererSupport flag)
}
}
static void egl_on_restart(void * opaque)
static void egl_on_restart(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
eglDestroyContext(this->display, this->frameContext);
this->frameContext = NULL;
@ -397,10 +400,10 @@ static void egl_update_scale_type(struct Inst * this)
this->scaleType = EGL_DESKTOP_UPSCALE;
}
static void egl_on_resize(void * opaque, const int width, const int height, const double scale,
static void egl_on_resize(LG_Renderer * renderer, const int width, const int height, const double scale,
const LG_RendererRect destRect, LG_RendererRotate rotate)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
this->width = width * scale;
this->height = height * scale;
@ -444,11 +447,11 @@ static void egl_on_resize(void * opaque, const int width, const int height, cons
egl_damage_resize(this->damage, this->translateX, this->translateY, this->scaleX, this->scaleY);
}
static bool egl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor,
static bool egl_on_mouse_shape(LG_Renderer * renderer, const LG_RendererCursor cursor,
const int width, const int height,
const int pitch, const uint8_t * data)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
if (!egl_cursor_set_shape(this->cursor, cursor, width, height, pitch, data))
{
@ -463,9 +466,9 @@ static bool egl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor,
return true;
}
static bool egl_on_mouse_event(void * opaque, const bool visible, const int x, const int y)
static bool egl_on_mouse_event(LG_Renderer * renderer, const bool visible, const int x, const int y)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
this->cursorVisible = visible;
this->cursorX = x;
this->cursorY = y;
@ -473,9 +476,9 @@ static bool egl_on_mouse_event(void * opaque, const bool visible, const int x, c
return true;
}
static bool egl_on_frame_format(void * opaque, const LG_RendererFormat format)
static bool egl_on_frame_format(LG_Renderer * renderer, const LG_RendererFormat format)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
memcpy(&this->format, &format, sizeof(LG_RendererFormat));
this->formatValid = true;
@ -506,10 +509,10 @@ static bool egl_on_frame_format(void * opaque, const LG_RendererFormat format)
return egl_desktop_setup(this->desktop, format);
}
static bool egl_on_frame(void * opaque, const FrameBuffer * frame, int dmaFd,
static bool egl_on_frame(LG_Renderer * renderer, const FrameBuffer * frame, int dmaFd,
const FrameDamageRect * damageRects, int damageRectsCount)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
uint64_t start = nanotime();
if (!egl_desktop_update(this->desktop, frame, dmaFd, damageRects, damageRectsCount))
@ -621,9 +624,9 @@ static void egl_config_ui(void * opaque)
egl_desktop_config_ui(this->desktop);
}
static bool egl_render_startup(void * opaque, bool useDMA)
static bool egl_render_startup(LG_Renderer * renderer, bool useDMA)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
this->nativeWind = app_getEGLNativeWindow();
if (!this->nativeWind)
@ -815,9 +818,9 @@ static bool egl_render_startup(void * opaque, bool useDMA)
return true;
}
static bool egl_needs_render(void * opaque)
static bool egl_needs_render(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
return !this->waitDone;
}
@ -865,10 +868,11 @@ inline static void renderLetterBox(struct Inst * this)
}
}
static bool egl_render(void * opaque, LG_RendererRotate rotate, const bool newFrame,
const bool invalidateWindow, void (*preSwap)(void * udata), void * udata)
static bool egl_render(LG_Renderer * renderer, LG_RendererRotate rotate,
const bool newFrame, const bool invalidateWindow,
void (*preSwap)(void * udata), void * udata)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
EGLint bufferAge = egl_buffer_age(this);
bool renderAll = invalidateWindow || !this->start || this->hadOverlay ||
bufferAge <= 0 || bufferAge > MAX_BUFFER_AGE;

70
client/renderers/OpenGL/opengl.c
View File

@ -36,6 +36,7 @@
#include "common/framebuffer.h"
#include "common/locking.h"
#include "ll.h"
#include "util.h"
#define BUFFER_COUNT 2
@ -102,6 +103,8 @@ struct OpenGL_Options
struct Inst
{
LG_Renderer base;
LG_RendererParams params;
struct OpenGL_Options opt;
@ -186,21 +189,19 @@ static void opengl_setup(void)
option_register(opengl_options);
}
bool opengl_create(void ** opaque, const LG_RendererParams params,
bool opengl_create(LG_Renderer ** renderer, const LG_RendererParams params,
bool * needsOpenGL)
{
// create our local storage
*opaque = malloc(sizeof(struct Inst));
if (!*opaque)
struct Inst * this = calloc(1, sizeof(*this));
if (!this)
{
DEBUG_INFO("Failed to allocate %lu bytes", sizeof(struct Inst));
DEBUG_INFO("Failed to allocate %lu bytes", sizeof(*this));
return false;
}
memset(*opaque, 0, sizeof(struct Inst));
*renderer = &this->base;
struct Inst * this = (struct Inst *)*opaque;
memcpy(&this->params, &params, sizeof(LG_RendererParams));
this->opt.mipmap = option_get_bool("opengl", "mipmap" );
this->opt.vsync = option_get_bool("opengl", "vsync" );
this->opt.preventBuffer = option_get_bool("opengl", "preventBuffer");
@ -215,22 +216,18 @@ bool opengl_create(void ** opaque, const LG_RendererParams params,
return true;
}
bool opengl_initialize(void * opaque)
bool opengl_initialize(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
if (!this)
return false;
struct Inst * this = UPCAST(struct Inst, renderer);
this->waiting = true;
this->waitDone = false;
return true;
}
void opengl_deinitialize(void * opaque)
void opengl_deinitialize(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
if (!this)
return;
struct Inst * this = UPCAST(struct Inst, renderer);
if (this->renderStarted)
{
@ -264,16 +261,17 @@ void opengl_deinitialize(void * opaque)
free(this);
}
void opengl_on_restart(void * opaque)
void opengl_on_restart(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
this->waiting = true;
}
void opengl_on_resize(void * opaque, const int width, const int height, const double scale,
void opengl_on_resize(LG_Renderer * renderer, const int width, const int height, const double scale,
const LG_RendererRect destRect, LG_RendererRotate rotate)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
this->window.x = width * scale;
this->window.y = height * scale;
@ -312,12 +310,10 @@ void opengl_on_resize(void * opaque, const int width, const int height, const do
ImGui_ImplOpenGL2_NewFrame();
}
bool opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor,
bool opengl_on_mouse_shape(LG_Renderer * renderer, const LG_RendererCursor cursor,
const int width, const int height, const int pitch, const uint8_t * data)
{
struct Inst * this = (struct Inst *)opaque;
if (!this)
return false;
struct Inst * this = UPCAST(struct Inst, renderer);
LG_LOCK(this->mouseLock);
this->mouseCursor = cursor;
@ -341,11 +337,9 @@ bool opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor,
return true;
}
bool opengl_on_mouse_event(void * opaque, const bool visible, const int x, const int y)
bool opengl_on_mouse_event(LG_Renderer * renderer, const bool visible, const int x, const int y)
{
struct Inst * this = (struct Inst *)opaque;
if (!this)
return false;
struct Inst * this = UPCAST(struct Inst, renderer);
if (this->mousePos.x == x && this->mousePos.y == y && this->mouseVisible == visible)
return true;
@ -357,9 +351,9 @@ bool opengl_on_mouse_event(void * opaque, const bool visible, const int x, const
return false;
}
bool opengl_on_frame_format(void * opaque, const LG_RendererFormat format)
bool opengl_on_frame_format(LG_Renderer * renderer, const LG_RendererFormat format)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
LG_LOCK(this->formatLock);
memcpy(&this->format, &format, sizeof(LG_RendererFormat));
@ -368,10 +362,10 @@ bool opengl_on_frame_format(void * opaque, const LG_RendererFormat format)
return true;
}
bool opengl_on_frame(void * opaque, const FrameBuffer * frame, int dmaFd,
bool opengl_on_frame(LG_Renderer * renderer, const FrameBuffer * frame, int dmaFd,
const FrameDamageRect * damage, int damageCount)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
LG_LOCK(this->frameLock);
this->frame = frame;
@ -393,9 +387,9 @@ bool opengl_on_frame(void * opaque, const FrameBuffer * frame, int dmaFd,
return true;
}
bool opengl_render_startup(void * opaque, bool useDMA)
bool opengl_render_startup(LG_Renderer * renderer, bool useDMA)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
this->glContext = app_glCreateContext();
if (!this->glContext)
@ -456,18 +450,16 @@ bool opengl_render_startup(void * opaque, bool useDMA)
return true;
}
static bool opengl_needs_render(void * opaque)
static bool opengl_needs_render(LG_Renderer * renderer)
{
struct Inst * this = (struct Inst *)opaque;
struct Inst * this = UPCAST(struct Inst, renderer);
return !this->waitDone;
}
bool opengl_render(void * opaque, LG_RendererRotate rotate, const bool newFrame,
bool opengl_render(LG_Renderer * renderer, LG_RendererRotate rotate, const bool newFrame,
const bool invalidateWindow, void (*preSwap)(void * udata), void * udata)
{
struct Inst * this = (struct Inst *)opaque;
if (!this)
return false;
struct Inst * this = UPCAST(struct Inst, renderer);
switch(configure(this))
{

57
client/src/main.c
View File

@ -147,7 +147,7 @@ static void preSwapCallback(void * udata)
static int renderThread(void * unused)
{
if (!g_state.lgr->render_startup(g_state.lgrData, g_state.useDMA))
if (!RENDERER(render_startup, g_state.useDMA))
{
g_state.state = APP_STATE_SHUTDOWN;
@ -156,8 +156,7 @@ static int renderThread(void * unused)
return 1;
}
if (g_state.lgr->supports &&
!g_state.lgr->supports(g_state.lgrData, LG_SUPPORTS_DMABUF))
if (g_state.lgr->ops.supports && !RENDERER(supports, LG_SUPPORTS_DMABUF))
g_state.useDMA = false;
/* start up the fps timer */
@ -191,7 +190,7 @@ static int renderThread(void * unused)
&& !forceRender
&& !pending
&& !app_overlayNeedsRender()
&& !g_state.lgr->needs_render(g_state.lgrData))
&& !RENDERER(needs_render))
{
if (g_state.ds->skipFrame)
g_state.ds->skipFrame();
@ -236,7 +235,7 @@ static int renderThread(void * unused)
DEBUG_FATAL("Failed to build font atlas: %s (%s)", g_params.uiFont, g_state.fontName);
if (g_state.lgr)
g_state.lgr->on_resize(g_state.lgrData, g_state.windowW, g_state.windowH,
RENDERER(on_resize, g_state.windowW, g_state.windowH,
g_state.windowScale, g_state.dstRect, g_params.winRotate);
atomic_compare_exchange_weak(&g_state.lgrResize, &resize, 0);
}
@ -251,8 +250,8 @@ static int renderThread(void * unused)
const uint64_t renderStart = nanotime();
LG_LOCK(g_state.lgrLock);
if (!g_state.lgr->render(g_state.lgrData, g_params.winRotate, newFrame,
invalidate, preSwapCallback, (void *)&renderStart))
if (!RENDERER(render, g_params.winRotate, newFrame, invalidate,
preSwapCallback, (void *)&renderStart))
{
LG_UNLOCK(g_state.lgrLock);
break;
@ -295,7 +294,7 @@ static int renderThread(void * unused)
core_stopFrameThread();
g_state.lgr->deinitialize(g_state.lgrData);
RENDERER(deinitialize);
g_state.lgr = NULL;
LG_LOCK_FREE(g_state.lgrLock);
@ -338,9 +337,7 @@ static int cursorThread(void * unused)
if (g_cursor.redraw && g_cursor.guest.valid)
{
g_cursor.redraw = false;
g_state.lgr->on_mouse_event
(
g_state.lgrData,
RENDERER(on_mouse_event,
g_cursor.guest.visible && (g_cursor.draw || !g_params.useSpiceInput),
g_cursor.guest.x,
g_cursor.guest.y
@ -403,8 +400,7 @@ static int cursorThread(void * unused)
g_cursor.guest.hy = cursor->hy;
const uint8_t * data = (const uint8_t *)(cursor + 1);
if (!g_state.lgr->on_mouse_shape(
g_state.lgrData,
if (!RENDERER(on_mouse_shape,
cursorType,
cursor->width,
cursor->height,
@ -437,9 +433,7 @@ static int cursorThread(void * unused)
g_cursor.redraw = false;
g_state.lgr->on_mouse_event
(
g_state.lgrData,
RENDERER(on_mouse_event,
g_cursor.guest.visible && (g_cursor.draw || !g_params.useSpiceInput),
g_cursor.guest.x,
g_cursor.guest.y
@ -616,7 +610,7 @@ int main_frameThread(void * unused)
frame->rotation);
LG_LOCK(g_state.lgrLock);
if (!g_state.lgr->on_frame_format(g_state.lgrData, lgrFormat))
if (!RENDERER(on_frame_format, lgrFormat))
{
DEBUG_ERROR("renderer failed to configure format");
g_state.state = APP_STATE_SHUTDOWN;
@ -683,8 +677,8 @@ int main_frameThread(void * unused)
}
FrameBuffer * fb = (FrameBuffer *)(((uint8_t*)frame) + frame->offset);
if (!g_state.lgr->on_frame(g_state.lgrData, fb, g_state.useDMA ? dma->fd : -1,
frame->damageRects, frame->damageRectsCount))
if (!RENDERER(on_frame, fb, g_state.useDMA ? dma->fd : -1,
frame->damageRects, frame->damageRectsCount))
{
lgmpClientMessageDone(queue);
DEBUG_ERROR("renderer on frame returned failure");
@ -723,7 +717,7 @@ int main_frameThread(void * unused)
}
lgmpClientUnsubscribe(&queue);
g_state.lgr->on_restart(g_state.lgrData);
RENDERER(on_restart);
if (g_state.useDMA)
{
@ -786,15 +780,22 @@ static bool tryRenderer(const int index, const LG_RendererParams lgrParams,
}
// create the renderer
g_state.lgrData = NULL;
*needsOpenGL = false;
if (!r->create(&g_state.lgrData, lgrParams, needsOpenGL))
g_state.lgr = NULL;
*needsOpenGL = false;
if (!r->create(&g_state.lgr, lgrParams, needsOpenGL))
{
g_state.lgr = NULL;
return false;
}
// init the ops member
memcpy(&g_state.lgr->ops, r, sizeof(*r));
// initialize the renderer
if (!r->initialize(g_state.lgrData))
if (!r->initialize(g_state.lgr))
{
r->deinitialize(g_state.lgrData);
r->deinitialize(g_state.lgr);
g_state.lgr = NULL;
return false;
}
@ -924,7 +925,6 @@ static int lg_run(void)
DEBUG_ERROR("Forced renderer failed to iniailize");
return -1;
}
g_state.lgr = LG_Renderers[g_params.forceRendererIndex];
}
else
{
@ -932,10 +932,7 @@ static int lg_run(void)
for(unsigned int i = 0; i < LG_RENDERER_COUNT; ++i)
{
if (tryRenderer(i, lgrParams, &needsOpenGL))
{
g_state.lgr = LG_Renderers[i];
break;
}
}
}
@ -1176,7 +1173,7 @@ restart:
lgInit();
g_state.lgr->on_restart(g_state.lgrData);
RENDERER(on_restart);
DEBUG_INFO("Waiting for the host to restart...");
goto restart;

5
client/src/main.h
View File

@ -89,8 +89,7 @@ struct AppState
bool posInfoValid;
bool alignToGuest;
const LG_RendererOps * lgr;
void * lgrData;
LG_Renderer * lgr;
atomic_int lgrResize;
LG_Lock lgrLock;
bool useDMA;
@ -284,3 +283,5 @@ extern struct CursorState g_cursor;
extern struct AppParams g_params;
int main_frameThread(void * unused);
#define RENDERER(fn, ...) g_state.lgr->ops.fn(g_state.lgr, ##__VA_ARGS__)