[virglrenderer-devel] [PATCH v2 3/4] vtest: refactorized run_renderer function
Nathan Gauer
nathan at gauer.org
Fri Jul 27 09:52:37 UTC 2018
run_renderer now uses an array to get the corresponding function
pointer for a command.
Some vtest_* function headers had to be uniformized.
Signed-off-by: Nathan Gauer <nathan at gauer.org>
---
vtest/vtest.h | 8 +--
vtest/vtest_renderer.c | 18 +++++--
vtest/vtest_server.c | 115 ++++++++++++++++++++++-------------------
3 files changed, 80 insertions(+), 61 deletions(-)
diff --git a/vtest/vtest.h b/vtest/vtest.h
index 327c193..cff4cdb 100644
--- a/vtest/vtest.h
+++ b/vtest/vtest.h
@@ -27,10 +27,10 @@
#include <errno.h>
int vtest_create_renderer(int in_fd, int out_fd, uint32_t length);
-int vtest_send_caps(void);
+int vtest_send_caps(uint32_t length_dw);
int vtest_send_caps2(void);
-int vtest_create_resource(void);
-int vtest_resource_unref(void);
+int vtest_create_resource(uint32_t length_dw);
+int vtest_resource_unref(uint32_t length_dw);
int vtest_submit_cmd(uint32_t length_dw);
int vtest_transfer_get(uint32_t length_dw);
@@ -38,7 +38,7 @@ int vtest_transfer_put(uint32_t length_dw);
int vtest_block_read(int fd, void *buf, int size);
-int vtest_resource_busy_wait(void);
+int vtest_resource_busy_wait(uint32_t length_dw);
int vtest_renderer_create_fence(void);
int vtest_poll(void);
diff --git a/vtest/vtest_renderer.c b/vtest/vtest_renderer.c
index 08b74bf..bcc1a8d 100644
--- a/vtest/vtest_renderer.c
+++ b/vtest/vtest_renderer.c
@@ -35,6 +35,7 @@
#include "vtest_protocol.h"
#include "util.h"
#include "util/u_debug.h"
+#include "util/macros.h"
static int ctx_id = 1;
static int fence_id = 1;
@@ -185,12 +186,13 @@ end:
return 0;
}
-int vtest_send_caps(void)
+int vtest_send_caps(uint32_t length_dw)
{
uint32_t max_ver, max_size;
void *caps_buf;
uint32_t hdr_buf[2];
int ret;
+ UNUSED_PARAMETER(length_dw);
virgl_renderer_get_cap_set(1, &max_ver, &max_size);
@@ -214,12 +216,14 @@ end:
return 0;
}
-int vtest_create_resource(void)
+int vtest_create_resource(uint32_t length_dw)
{
uint32_t res_create_buf[VCMD_RES_CREATE_SIZE];
struct virgl_renderer_resource_create_args args;
int ret;
+ UNUSED_PARAMETER(length_dw);
+
ret = vtest_block_read(renderer.in_fd, &res_create_buf, sizeof(res_create_buf));
if (ret != sizeof(res_create_buf))
return -1;
@@ -243,12 +247,14 @@ int vtest_create_resource(void)
return ret;
}
-int vtest_resource_unref(void)
+int vtest_resource_unref(uint32_t length_dw)
{
uint32_t res_unref_buf[VCMD_RES_UNREF_SIZE];
int ret;
uint32_t handle;
+ UNUSED_PARAMETER(length_dw);
+
ret = vtest_block_read(renderer.in_fd, &res_unref_buf, sizeof(res_unref_buf));
if (ret != sizeof(res_unref_buf))
return -1;
@@ -379,7 +385,7 @@ int vtest_transfer_put(UNUSED uint32_t length_dw)
return 0;
}
-int vtest_resource_busy_wait(void)
+int vtest_resource_busy_wait(uint32_t length_dw)
{
uint32_t bw_buf[VCMD_BUSY_WAIT_SIZE];
int ret, fd;
@@ -387,6 +393,10 @@ int vtest_resource_busy_wait(void)
uint32_t hdr_buf[VTEST_HDR_SIZE];
uint32_t reply_buf[1];
bool busy = false;
+
+ UNUSED_PARAMETER(length_dw);
+
+ vtest_renderer_create_fence();
ret = vtest_block_read(renderer.in_fd, &bw_buf, sizeof(bw_buf));
if (ret != sizeof(bw_buf))
return -1;
diff --git a/vtest/vtest_server.c b/vtest/vtest_server.c
index 3868fe3..51db8bd 100644
--- a/vtest/vtest_server.c
+++ b/vtest/vtest_server.c
@@ -33,6 +33,7 @@
#include <fcntl.h>
#include "util.h"
+#include "util/macros.h"
#include "vtest.h"
#include "vtest_protocol.h"
@@ -86,70 +87,78 @@ static int wait_for_socket_accept(int sock)
return -1;
}
+typedef int (*vtest_cmd_fptr)(uint32_t);
+
+static const vtest_cmd_fptr vtest_commands[] = {
+ NULL /* CMD ids starts at 1 */,
+ vtest_send_caps,
+ vtest_create_resource,
+ vtest_resource_unref,
+ vtest_transfer_get,
+ vtest_transfer_put,
+ vtest_submit_cmd,
+ vtest_resource_busy_wait,
+ NULL /* vtest_create_renderer is a special case */,
+#ifdef WITH_VULKAN
+ /* add Vulkan vtest_cmds here */
+#endif
+};
+
static int run_renderer(int in_fd, int out_fd)
{
- int ret;
+ int err, ret;
uint32_t header[VTEST_HDR_SIZE];
- bool inited = false;
-again:
- ret = vtest_wait_for_fd_read(in_fd);
- if (ret < 0)
- goto fail;
+ int initialized = 0;
+
+ do {
+ ret = vtest_wait_for_fd_read(in_fd);
+ if (ret < 0) {
+ err = 1;
+ break;
+ }
- ret = vtest_block_read(in_fd, &header, sizeof(header));
+ ret = vtest_block_read(in_fd, &header, sizeof(header));
+ if (ret < 0 || (size_t)ret < sizeof(header)) {
+ err = 2;
+ break;
+ }
+
+ if (!initialized) {
+ /* The first command MUST be VCMD_CREATE_RENDERER */
+ if (header[1] != VCMD_CREATE_RENDERER) {
+ err = 3;
+ break;
+ }
- if (ret == 8) {
- if (!inited) {
- if (header[1] != VCMD_CREATE_RENDERER)
- goto fail;
- ret = vtest_create_renderer(in_fd, out_fd, header[0]);
- inited = true;
+ ret = vtest_create_renderer(in_fd, out_fd, header[0]);
+ initialized = 1;
+ vtest_poll();
+ continue;
}
+
vtest_poll();
- switch (header[1]) {
- case VCMD_GET_CAPS:
- ret = vtest_send_caps();
- break;
- case VCMD_RESOURCE_CREATE:
- ret = vtest_create_resource();
- break;
- case VCMD_RESOURCE_UNREF:
- ret = vtest_resource_unref();
- break;
- case VCMD_SUBMIT_CMD:
- ret = vtest_submit_cmd(header[0]);
- break;
- case VCMD_TRANSFER_GET:
- ret = vtest_transfer_get(header[0]);
- break;
- case VCMD_TRANSFER_PUT:
- ret = vtest_transfer_put(header[0]);
- break;
- case VCMD_RESOURCE_BUSY_WAIT:
- vtest_renderer_create_fence();
- ret = vtest_resource_busy_wait();
- break;
- case VCMD_GET_CAPS2:
- ret = vtest_send_caps2();
- break;
- default:
- break;
+ if (header[1] <= 0 || header[1] >= ARRAY_SIZE(vtest_commands)
+ || vtest_commands[header[1]] == NULL) {
+
+#if DEBUG
+ fprintf(stderr, "invalid command received. Ignoring\n");
+#endif
+ continue;
}
- if (ret < 0) {
- goto fail;
+ ret = vtest_commands[header[1]](header[0]);
+ if (ret != 0) {
+ err = 6;
+ break;
}
+ } while (1);
- goto again;
- }
- if (ret <= 0) {
- goto fail;
- }
-fail:
- fprintf(stderr, "socket failed - closing renderer\n");
- vtest_destroy_renderer();
- close(in_fd);
- return 0;
+ fprintf(stderr, "socket failed (%d) - closing renderer\n", err);
+
+ vtest_destroy_renderer();
+ close(in_fd);
+
+ return 0;
}
int main(int argc, char **argv)
--
2.18.0
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