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[client] egl: don't map the texture until it's needed

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The texture buffer may still be in use if we try to re-map it
immediately, instead only map when we need it mapped, and unmap
immediately after advancing the offset allowing the render thread to
continue while the unmap operation occurs
This commit is contained in:
Geoffrey McRae 2020-05-30 16:50:27 +10:00
parent 67dec216d2
commit ede96fa486
2 changed files with 10 additions and 9 deletions
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2
VERSION
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@ -1 +1 @@
B2-rc2-8-gfcbdf7ba4f+1
B2-rc2-9-g67dec216d2+1

17
client/renderers/EGL/texture.c
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@ -300,9 +300,6 @@ bool egl_texture_setup(EGL_Texture * texture, enum EGL_PixelFormat pixFmt, size_
NULL,
GL_MAP_WRITE_BIT
);
if (!egl_texture_map(texture, i))
return false;
}
return true;
@ -335,12 +332,15 @@ bool egl_texture_update(EGL_Texture * texture, const uint8_t * buffer)
return true;
}
if (!egl_texture_map(texture, s.w))
return EGL_TEX_STATUS_ERROR;
memcpy(texture->tex[s.w].map, buffer, texture->pboBufferSize);
atomic_store_explicit(&texture->state.w, next, memory_order_release);
egl_texture_unmap(texture, s.w);
}
else
{
/* Non streaming, this is NOT thread safe */
for(int p = 0; p < texture->planeCount; ++p)
{
glBindTexture(GL_TEXTURE_2D, texture->tex[0].t[p]);
@ -368,6 +368,9 @@ bool egl_texture_update_from_frame(EGL_Texture * texture, const FrameBuffer * fr
return true;
}
if (!egl_texture_map(texture, s.w))
return EGL_TEX_STATUS_ERROR;
framebuffer_read(
frame,
texture->tex[s.w].map,
@ -379,6 +382,8 @@ bool egl_texture_update_from_frame(EGL_Texture * texture, const FrameBuffer * fr
);
atomic_store_explicit(&texture->state.w, next, memory_order_release);
egl_texture_unmap(texture, s.w);
return true;
}
@ -395,7 +400,6 @@ enum EGL_TexStatus egl_texture_process(EGL_Texture * texture)
return texture->ready ? EGL_TEX_STATUS_OK : EGL_TEX_STATUS_NOTREADY;
/* update the texture */
egl_texture_unmap(texture, s.u);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, texture->tex[s.u].pbo);
for(int p = 0; p < texture->planeCount; ++p)
{
@ -417,9 +421,6 @@ enum EGL_TexStatus egl_texture_process(EGL_Texture * texture)
texture->ready = true;
atomic_store_explicit(&texture->state.u, nextu, memory_order_release);
if (!egl_texture_map(texture, s.u))
return EGL_TEX_STATUS_ERROR;
return EGL_TEX_STATUS_OK;
}