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Use KMS more inline with upstream example code.

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This commit is contained in:
Themaister 2013-02-15 11:12:33 +01:00
parent bd4b22835c
commit 384d6846b6
1 changed files with 24 additions and 50 deletions
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74
gfx/context/drm_egl_ctx.c
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@ -250,21 +250,7 @@ static bool gfx_ctx_init(void)
if (g_inited)
return false;
static const char *modules[] = {
"i915", "radeon", "nouveau", "vmwgfx", "omapdrm", "exynos", NULL
};
for (int i = 0; modules[i]; i++)
{
RARCH_LOG("[KMS/EGL]: Trying to load module %s ...\n", modules[i]);
g_drm_fd = drmOpen(modules[i], NULL);
if (g_drm_fd >= 0)
{
RARCH_LOG("[KMS/EGL]: Found module %s.\n", modules[i]);
break;
}
}
g_drm_fd = open("/dev/dri/card0", O_RDWR);
if (g_drm_fd < 0)
{
RARCH_ERR("[KMS/EGL]: Couldn't open DRM device.\n");
@ -281,60 +267,48 @@ static bool gfx_ctx_init(void)
for (int i = 0; i < g_resources->count_connectors; i++)
{
g_connector = drmModeGetConnector(g_drm_fd, g_resources->connectors[i]);
if (g_connector->connection == DRM_MODE_CONNECTED)
if (!g_connector)
continue;
if (g_connector->connection == DRM_MODE_CONNECTED && g_connector->count_modes > 0)
break;
drmModeFreeConnector(g_connector);
g_connector = NULL;
}
// TODO: Figure out what index for crtcs to use for orig_crtc ...
g_orig_crtc = drmModeGetCrtc(g_drm_fd, g_resources->crtcs[0]);
if (!g_orig_crtc)
RARCH_WARN("[KMS/EGL]: Cannot find original CRTC.\n");
if (!g_connector)
{
RARCH_ERR("[KMS/EGL]: Couldn't get device connector.\n");
goto error;
}
for (int i = 0, area = 0; i < g_connector->count_modes; i++)
for (int i = 0; i < g_resources->count_encoders; i++)
{
drmModeModeInfo *current_mode = &g_connector->modes[i];
//RARCH_ERR("[KMS/EGL]: Found mode: \"%s\".\n", current_mode->name);
int current_area = current_mode->hdisplay * current_mode->vdisplay;
if (current_area > area)
{
g_drm_mode = current_mode;
area = current_area;
}
g_encoder = drmModeGetEncoder(g_drm_fd, g_resources->encoders[i]);
if (!g_encoder)
continue;
if (g_encoder->encoder_id == g_connector->encoder_id)
break;
drmModeFreeEncoder(g_encoder);
g_encoder = NULL;
}
if (!g_drm_mode)
{
RARCH_ERR("[KMS/EGL]: Couldn't find DRM mode.\n");
goto error;
}
for (int i = 0; i < g_resources->count_encoders; i++)
{
g_encoder = drmModeGetEncoder(g_drm_fd, g_resources->encoders[i]);
if (g_encoder->encoder_id == g_connector->encoder_id)
break;
drmModeFreeEncoder(g_encoder);
g_encoder = NULL;
}
if (!g_encoder)
if (!g_encoder)
{
RARCH_ERR("[KMS/EGL]: Couldn't find DRM encoder.\n");
goto error;
}
g_crtc_id = g_encoder->crtc_id;
g_drm_mode = &g_connector->modes[0];
g_crtc_id = g_encoder->crtc_id;
g_orig_crtc = drmModeGetCrtc(g_drm_fd, g_crtc_id);
if (!g_orig_crtc)
RARCH_WARN("[KMS/EGL]: Cannot find original CRTC.\n");
g_connector_id = g_connector->connector_id;
g_fb_width = g_drm_mode->hdisplay;
@ -579,7 +553,7 @@ void gfx_ctx_destroy(void)
g_next_bo = NULL;
if (g_drm_fd >= 0)
drmClose(g_drm_fd);
close(g_drm_fd);
g_drm_fd = -1;
unsigned frames = last_page_flip - first_page_flip;