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[client] transport: introduce pluggable frame transports
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Browse Source 
Move shared-memory ownership, LGMP session handling, queue access, and
DMA setup behind a transport interface. The LGMP backend preserves the
existing zero-copy frame and DMA paths while owning its lgmp:* options.

Expose the initialized EGL context through a versioned renderer interop
record for future accelerated decode backends. Add an LGMP-independent,
deterministic test transport for graphics-pipeline validation.
This commit is contained in:
Geoffrey McRae
2026-07-20 05:09:43 +00:00
parent d4b3506e6c
commit 36b33033a1
22 changed files with 2138 additions and 819 deletions
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7
client/renderers/EGL/texture_framebuffer.c
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@@ -22,13 +22,12 @@
#include "texture_buffer.h"
#include "common/debug.h"
#include "common/KVMFR.h"
#include "common/rects.h"
struct TexDamage
{
int count;
FrameDamageRect rects[KVMFR_MAX_DAMAGE_RECTS];
FrameDamageRect rects[LG_MAX_FRAME_DAMAGE_RECTS];
};
typedef struct TexFB
@@ -90,7 +89,7 @@ static bool egl_texFBUpdate(EGL_Texture * texture, const EGL_TexUpdate * update)
struct TexDamage * damage = this->damage + parent->bufIndex;
bool damageAll = !update->rects || update->rectCount == 0 || damage->count < 0 ||
damage->count + update->rectCount > KVMFR_MAX_DAMAGE_RECTS;
damage->count + update->rectCount > LG_MAX_FRAME_DAMAGE_RECTS;
bool complete;
if (damageAll)
@@ -168,7 +167,7 @@ static bool egl_texFBUpdate(EGL_Texture * texture, const EGL_TexUpdate * update)
if (i == parent->bufIndex)
damage->count = 0;
else if (update->rects && update->rectCount > 0 && damage->count >= 0 &&
damage->count + update->rectCount <= KVMFR_MAX_DAMAGE_RECTS)
damage->count + update->rectCount <= LG_MAX_FRAME_DAMAGE_RECTS)
{
memcpy(damage->rects + damage->count, update->rects,
update->rectCount * sizeof(FrameDamageRect));