1From 8a734f44beea9b10548ba696eaea1f5a76148fd5 Mon Sep 17 00:00:00 2001
2From: Dom Cobley <dc4@broadcom.com>
3Date: Tue, 9 Jul 2013 09:26:26 -0400
4Subject: [PATCH] Allow applications to set next resource handle
5
6This patch adds provisions in userland to
7let apps callers set the next rendereing dispmanx resource.
8It's useful for implementing, say, a buffer carousel.
9---
10Upstream-Status: Pending
11
12 interface/khronos/common/khrn_client_rpc.h |  2 ++
13 interface/khronos/common/khrn_int_ids.h    |  2 ++
14 interface/khronos/egl/egl_client.c         | 30 +++++++++++++++++++---
15 interface/khronos/egl/egl_client_surface.c | 24 ++++++++++++++++-
16 interface/khronos/egl/egl_client_surface.h |  3 ++-
17 interface/khronos/egl/egl_int_impl.h       |  5 ++--
18 6 files changed, 59 insertions(+), 7 deletions(-)
19
20diff --git a/interface/khronos/common/khrn_client_rpc.h b/interface/khronos/common/khrn_client_rpc.h
21index dc4351d..10ea060 100644
22--- a/interface/khronos/common/khrn_client_rpc.h
23+++ b/interface/khronos/common/khrn_client_rpc.h
24@@ -685,6 +685,7 @@ static INLINE void rpc_call12_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id
25 static INLINE void rpc_call13_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, void *out)               { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11);      rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
26 static INLINE void rpc_call14_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, uint32_t p12, void *out) { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12); rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
27 static INLINE void rpc_call15_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, uint32_t p12, uint32_t p13, void *out) { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13); rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
28+static INLINE void rpc_call16_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4, uint32_t p5, uint32_t p6, uint32_t p7, uint32_t p8, uint32_t p9, uint32_t p10, uint32_t p11, uint32_t p12, uint32_t p13, uint32_t p14, void *out) { rpc_begin(thread); RPC_CALL(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14); rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); }
29 #endif
30
31 #define RPC_CALL1_OUT_CTRL(fn, thread, id, out)                                               rpc_call1_out_ctrl(thread, id, out)
32@@ -702,6 +703,7 @@ static INLINE void rpc_call15_out_ctrl(CLIENT_THREAD_STATE_T *thread,uint32_t id
33 #define RPC_CALL13_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, out)      rpc_call13_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, out)
34 #define RPC_CALL14_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, out) rpc_call14_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, out)
35 #define RPC_CALL15_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, out) rpc_call15_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, out)
36+#define RPC_CALL16_OUT_CTRL(fn, thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, out) rpc_call16_out_ctrl(thread, id, p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, p10, p11, p12, p13, p14, out)
37
38 # if !defined(__SYMBIAN32__)  //use functions defined in khrpc.cpp
39 static INLINE uint32_t rpc_call1_out_ctrl_res(CLIENT_THREAD_STATE_T *thread,uint32_t id, void *out)                                                                                                                       { uint32_t res; rpc_begin(thread); RPC_CALL(thread, id);                                     res = rpc_recv(thread, out, NULL, (RPC_RECV_FLAG_T)(RPC_RECV_FLAG_RES | RPC_RECV_FLAG_CTRL | RPC_RECV_FLAG_LEN)); rpc_end(thread); return res; }
40diff --git a/interface/khronos/common/khrn_int_ids.h b/interface/khronos/common/khrn_int_ids.h
41index 8378f4a..ec961e0 100644
42--- a/interface/khronos/common/khrn_int_ids.h
43+++ b/interface/khronos/common/khrn_int_ids.h
44@@ -367,6 +367,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 */
46
47 #define EGLINTCREATESURFACE_ID            0x4000
48+#define EGLINTCREATESURFACE_ID_V2         0x4100
49 #define EGLINTCREATEGLES11_ID             0x4001
50 #define EGLINTCREATEGLES20_ID             0x4002
51 #define EGLINTCREATEVG_ID                 0x4003
52@@ -377,6 +378,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53 #define EGLINTMAKECURRENT_ID              0x4008
54 #define EGLINTFLUSHANDWAIT_ID             0x4009
55 #define EGLINTSWAPBUFFERS_ID              0x400a
56+#define EGLINTSWAPBUFFERS_ID_V2           0x410a
57 #define EGLINTSELECTMIPMAP_ID             0x400b
58 #define EGLINTFLUSH_ID                    0x400c
59 #define EGLINTGETCOLORDATA_ID             0x400d
60diff --git a/interface/khronos/egl/egl_client.c b/interface/khronos/egl/egl_client.c
61index 9d617c8..b8bb374 100644
62--- a/interface/khronos/egl/egl_client.c
63+++ b/interface/khronos/egl/egl_client.c
64@@ -162,6 +162,17 @@ static void egl_current_release(CLIENT_PROCESS_STATE_T *process, EGL_CURRENT_T *
65 void egl_gl_flush_callback(bool wait);
66 void egl_vg_flush_callback(bool wait);
67
68+#include "interface/vmcs_host/vc_dispmanx_types.h"
69+/**HACKHACK - give us the ability to inject a DispmanX
70+ * resource handle into the CreateWindowSurface and
71+ * SwapBuffers calls */
72+static DISPMANX_RESOURCE_HANDLE_T next_resource_handle;
73+
74+EGLAPI EGLBoolean EGLAPIENTRY eglSetNextResourceHandle(DISPMANX_RESOURCE_HANDLE_T handle)
75+{
76+   next_resource_handle = handle;
77+}
78+
79 /*
80 TODO: do an RPC call to make sure the Khronos vll is loaded (and that it stays loaded until eglTerminate)
81 Also affects global image (and possibly others?)
82@@ -644,7 +655,8 @@ EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig c
83                                 false,
84                                 EGL_NO_TEXTURE,
85                                 EGL_NO_TEXTURE,
86-                                0, 0);
87+                                0, 0,
88+                                next_resource_handle);
89
90                if (surface) {
91                   if (khrn_pointer_map_insert(&process->surfaces, process->next_surface, surface)) {
92@@ -889,7 +901,7 @@ EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig
93                              mipmap_texture,
94                              texture_format,
95                              texture_target,
96-                             0, 0);
97+                             0, 0, 0);
98
99             if (surface) {
100                if (khrn_pointer_map_insert(&process->surfaces, process->next_surface, surface)) {
101@@ -1031,7 +1043,7 @@ EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig c
102                                    false,
103                                    EGL_NO_TEXTURE,
104                                    EGL_NO_TEXTURE,
105-                                   pixmap, ((server_handle[0] == 0) && (server_handle[1] == (uint32_t)(-1))) ? NULL : server_handle);
106+                                   pixmap, ((server_handle[0] == 0) && (server_handle[1] == (uint32_t)(-1))) ? NULL : server_handle, 0);
107
108                      if (surface) {
109                         if (khrn_pointer_map_insert(&process->surfaces, process->next_surface, surface)) {
110@@ -2303,6 +2315,18 @@ EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surf)
111
112                vcos_log_trace("eglSwapBuffers server call");
113
114+               if (next_resource_handle)
115+               RPC_CALL7(eglIntSwapBuffers_impl,
116+                     thread,
117+                     EGLINTSWAPBUFFERS_ID_V2,
118+                     RPC_UINT(surface->serverbuffer),
119+                     RPC_UINT(surface->width),
120+                     RPC_UINT(surface->height),
121+                     RPC_UINT(surface->internal_handle),
122+                     RPC_UINT(surface->swap_behavior == EGL_BUFFER_PRESERVED ? 1 : 0),
123+                     RPC_UINT(khrn_platform_get_window_position(surface->win)),
124+                     RPC_INT(next_resource_handle));
125+               else
126                RPC_CALL6(eglIntSwapBuffers_impl,
127                      thread,
128                      EGLINTSWAPBUFFERS_ID,
129diff --git a/interface/khronos/egl/egl_client_surface.c b/interface/khronos/egl/egl_client_surface.c
130index 6846dfa..128325e 100644
131--- a/interface/khronos/egl/egl_client_surface.c
132+++ b/interface/khronos/egl/egl_client_surface.c
133@@ -314,7 +314,8 @@ EGL_SURFACE_T *egl_surface_create(
134    EGLenum texture_format,
135    EGLenum texture_target,
136    EGLNativePixmapType pixmap,
137-   const uint32_t *pixmap_server_handle)
138+   const uint32_t *pixmap_server_handle,
139+   DISPMANX_RESOURCE_HANDLE_T next_resource_handle)
140 {
141    KHRN_IMAGE_FORMAT_T color;
142    KHRN_IMAGE_FORMAT_T depth;
143@@ -473,6 +474,27 @@ EGL_SURFACE_T *egl_surface_create(
144 #endif
145          uint32_t results[3];
146
147+         if (next_resource_handle)
148+         RPC_CALL16_OUT_CTRL(eglIntCreateSurface_impl,
149+                             thread,
150+                             EGLINTCREATESURFACE_ID_V2,
151+                             RPC_UINT(serverwin),
152+                             RPC_UINT(buffers),
153+                             RPC_UINT(width),
154+                             RPC_UINT(height),
155+                             RPC_UINT(color),
156+                             RPC_UINT(depth),
157+                             RPC_UINT(mask),
158+                             RPC_UINT(multi),
159+                             RPC_UINT(largest_pbuffer),
160+                             RPC_UINT(mipmap_texture),
161+                             RPC_UINT(config_depth_bits),
162+                             RPC_UINT(config_stencil_bits),
163+                             RPC_UINT(sem_name),
164+                             RPC_UINT(type),
165+                             RPC_INT(next_resource_handle),
166+                             results);
167+         else
168          RPC_CALL15_OUT_CTRL(eglIntCreateSurface_impl,
169                              thread,
170                              EGLINTCREATESURFACE_ID,
171diff --git a/interface/khronos/egl/egl_client_surface.h b/interface/khronos/egl/egl_client_surface.h
172index c99d44c..b5bf70a 100644
173--- a/interface/khronos/egl/egl_client_surface.h
174+++ b/interface/khronos/egl/egl_client_surface.h
175@@ -322,7 +322,8 @@ extern EGL_SURFACE_T *egl_surface_create(
176    EGLenum texture_format,
177    EGLenum texture_target,
178    EGLNativePixmapType pixmap,
179-   const uint32_t *pixmap_server_handle);
180+   const uint32_t *pixmap_server_handle,
181+   DISPMANX_RESOURCE_HANDLE_T next_resource_handle);
182 extern EGL_SURFACE_T *egl_surface_from_vg_image(
183    VGImage vg_handle,
184    EGLSurface name,
185diff --git a/interface/khronos/egl/egl_int_impl.h b/interface/khronos/egl/egl_int_impl.h
186index 8a5734c..51b3580 100644
187--- a/interface/khronos/egl/egl_int_impl.h
188+++ b/interface/khronos/egl/egl_int_impl.h
189@@ -56,7 +56,8 @@ FN(int, eglIntCreateSurface_impl, (
190    uint32_t config_stencil_bits,
191    uint32_t sem,
192    uint32_t type,
193-   uint32_t *results))
194+   uint32_t *results,
195+   DISPMANX_RESOURCE_HANDLE_T next_resource_handle))
196
197 FN(int, eglIntCreatePbufferFromVGImage_impl, (
198    VGImage vg_handle,
199@@ -110,7 +111,7 @@ FN(void, eglIntMakeCurrent_impl, (uint32_t pid_0, uint32_t pid_1, uint32_t glver
200 FN(int, eglIntFlushAndWait_impl, (uint32_t flushgl, uint32_t flushvg))
201 FN(void, eglIntFlush_impl, (uint32_t flushgl, uint32_t flushvg))
202
203-FN(void, eglIntSwapBuffers_impl, (EGL_SURFACE_ID_T s, uint32_t width, uint32_t height, uint32_t handle, uint32_t preserve, uint32_t position))
204+FN(void, eglIntSwapBuffers_impl, (EGL_SURFACE_ID_T s, uint32_t width, uint32_t height, uint32_t handle, uint32_t preserve, uint32_t position, DISPMANX_RESOURCE_HANDLE_T new_back_buffer))
205 FN(void, eglIntSelectMipmap_impl, (EGL_SURFACE_ID_T s, int level))
206
207 FN(void, eglIntGetColorData_impl, (EGL_SURFACE_ID_T s, KHRN_IMAGE_FORMAT_T format, uint32_t width, uint32_t height, int32_t stride, uint32_t y_offset, void *data))
208