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[client] egl: only copy damaged areas when using dmabuf

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This speeds up the copy significantly when the frame only has small
amount of damage.
This commit is contained in:
Quantum 2021-07-18 03:33:53 -04:00 committed by Geoffrey McRae
parent 09893fd728
commit a14de25661
7 changed files with 35 additions and 18 deletions
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2
client/include/util.h
View file

@ -37,7 +37,7 @@ bool util_guestCurToLocal(struct DoublePoint *local);
void util_localCurToGuest(struct DoublePoint *guest);
void util_rotatePoint(struct DoublePoint *point);
bool util_hasGLExt(const char * exts, const char * ext);
int util_mergeOverlappingRects(FrameDamageRect * out, const FrameDamageRect * rects, int count);
int util_mergeOverlappingRects(FrameDamageRect * rects, int count);
static inline double util_clamp(double x, double min, double max)
{

10
client/renderers/EGL/desktop.c
View file

@ -27,6 +27,7 @@
#include "texture.h"
#include "shader.h"
#include "model.h"
#include "util.h"
#include <stdlib.h>
#include <string.h>
@ -259,11 +260,16 @@ bool egl_desktop_setup(EGL_Desktop * desktop, const LG_RendererFormat format, bo
return true;
}
bool egl_desktop_update(EGL_Desktop * desktop, const FrameBuffer * frame, int dmaFd)
bool egl_desktop_update(EGL_Desktop * desktop, const FrameBuffer * frame, int dmaFd,
const FrameDamageRect * origRects, int rectsCount)
{
FrameDamageRect rects[KVMFR_MAX_DAMAGE_RECTS];
memcpy(rects, origRects, rectsCount * sizeof(FrameDamageRect));
rectsCount = util_mergeOverlappingRects(rects, rectsCount);
if (dmaFd >= 0)
{
if (!egl_texture_update_from_dma(desktop->texture, frame, dmaFd))
if (!egl_texture_update_from_dma(desktop->texture, frame, dmaFd, rects, rectsCount))
return false;
}
else

4
client/renderers/EGL/desktop.h
View file

@ -22,6 +22,7 @@
#include <stdbool.h>
#include "common/types.h"
#include "interface/renderer.h"
typedef struct EGL_Desktop EGL_Desktop;
@ -40,7 +41,8 @@ bool egl_desktop_init(EGL_Desktop ** desktop, EGLDisplay * display);
void egl_desktop_free(EGL_Desktop ** desktop);
bool egl_desktop_setup (EGL_Desktop * desktop, const LG_RendererFormat format, bool useDMA);
bool egl_desktop_update(EGL_Desktop * desktop, const FrameBuffer * frame, int dmaFd);
bool egl_desktop_update(EGL_Desktop * desktop, const FrameBuffer * frame, int dmaFd,
const FrameDamageRect * rects, int rectsCount);
bool egl_desktop_render(EGL_Desktop * desktop, const float x, const float y,
const float scaleX, const float scaleY, enum EGL_DesktopScaleType scaleType,
LG_RendererRotate rotate);

2
client/renderers/EGL/egl.c
View file

@ -583,7 +583,7 @@ bool egl_on_frame(void * opaque, const FrameBuffer * frame, int dmaFd,
{
struct Inst * this = (struct Inst *)opaque;
if (!egl_desktop_update(this->desktop, frame, dmaFd))
if (!egl_desktop_update(this->desktop, frame, dmaFd, damageRects, damageRectsCount))
{
DEBUG_INFO("Failed to to update the desktop");
return false;

13
client/renderers/EGL/texture.c
View file

@ -388,7 +388,8 @@ bool egl_texture_update_from_frame(EGL_Texture * texture, const FrameBuffer * fr
return true;
}
bool egl_texture_update_from_dma(EGL_Texture * texture, const FrameBuffer * frame, const int dmaFd)
bool egl_texture_update_from_dma(EGL_Texture * texture, const FrameBuffer * frame, const int dmaFd,
const FrameDamageRect * rects, int rectsCount)
{
if (!texture->streaming)
return false;
@ -470,7 +471,15 @@ bool egl_texture_update_from_dma(EGL_Texture * texture, const FrameBuffer * fram
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->dmaTex, 0);
glBindTexture(GL_TEXTURE_2D, texture->tex[0]);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, texture->width, texture->height);
if (!texture->ready || rectsCount == 0)
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, texture->width, texture->height);
else
{
for (int i = 0; i < rectsCount; ++i)
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, rects[i].x, rects[i].y, rects[i].x, rects[i].y,
rects[i].width, rects[i].height);
}
GLsync fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
glFlush();

3
client/renderers/EGL/texture.h
View file

@ -23,6 +23,7 @@
#include <stdbool.h>
#include "shader.h"
#include "common/framebuffer.h"
#include "common/types.h"
#include <GL/gl.h>
#include <EGL/egl.h>
@ -52,7 +53,7 @@ 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 useDMA);
bool egl_texture_update (EGL_Texture * texture, const uint8_t * buffer);
bool egl_texture_update_from_frame(EGL_Texture * texture, const FrameBuffer * frame);
bool egl_texture_update_from_dma (EGL_Texture * texture, const FrameBuffer * frmame, const int dmaFd);
bool egl_texture_update_from_dma (EGL_Texture * texture, const FrameBuffer * frmame, const int dmaFd, const FrameDamageRect * rects, int rectsCount);
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);

19
client/src/util.c
View file

@ -224,13 +224,12 @@ static bool rectIntersects(const FrameDamageRect * r1, const FrameDamageRect * r
r2->y + r1->height > r2->y;
}
int util_mergeOverlappingRects(FrameDamageRect * out, const FrameDamageRect * rects, int count)
int util_mergeOverlappingRects(FrameDamageRect * rects, int count)
{
bool removed[count];
bool changed;
memset(removed, 0, sizeof(removed));
memcpy(out, rects, count * sizeof(FrameDamageRect));
do
{
@ -238,14 +237,14 @@ int util_mergeOverlappingRects(FrameDamageRect * out, const FrameDamageRect * re
for (int i = 0; i < count; ++i)
if (!removed[i])
for (int j = i + 1; j < count; ++j)
if (!removed[j] && rectIntersects(out + i, out + j))
if (!removed[j] && rectIntersects(rects + i, rects + j))
{
uint32_t x2 = max(out[i].x + out[i].width, out[j].x + out[j].width);
uint32_t y2 = max(out[i].y + out[i].height, out[j].y + out[j].height);
out[i].x = min(out[i].x, out[j].x);
out[i].y = min(out[i].y, out[j].y);
out[i].width = x2 - out[i].x;
out[i].height = y2 - out[i].y;
uint32_t x2 = max(rects[i].x + rects[i].width, rects[j].x + rects[j].width);
uint32_t y2 = max(rects[i].y + rects[i].height, rects[j].y + rects[j].height);
rects[i].x = min(rects[i].x, rects[j].x);
rects[i].y = min(rects[i].y, rects[j].y);
rects[i].width = x2 - rects[i].x;
rects[i].height = y2 - rects[i].y;
removed[j] = true;
changed = true;
}
@ -255,6 +254,6 @@ int util_mergeOverlappingRects(FrameDamageRect * out, const FrameDamageRect * re
int o = 0;
for (int i = 0; i < count; ++i)
if (!removed[i])
out[o++] = out[i];
rects[o++] = rects[i];
return o;
}