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Expand gfx_context with prev/next functions

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This commit is contained in:
twinaphex 2014-10-23 23:55:30 +02:00
parent 52052794b2
commit 4e13828d28
2 changed files with 64 additions and 25 deletions
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86
gfx/gfx_context.c
View File

@ -73,16 +73,33 @@ static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
NULL
};
const gfx_ctx_driver_t *gfx_ctx_find_driver(const char *ident)
static int find_gfx_ctx_driver_index(const char *drv)
{
unsigned i;
for (i = 0; i < ARRAY_SIZE(gfx_ctx_drivers); i++)
{
if (gfx_ctx_drivers[i] && strcmp(gfx_ctx_drivers[i]->ident, ident) == 0)
return gfx_ctx_drivers[i];
}
for (i = 0; gfx_ctx_drivers[i]; i++)
if (strcasecmp(drv, gfx_ctx_drivers[i]->ident) == 0)
return i;
return -1;
}
return NULL;
void find_prev_gfx_context_driver(void)
{
int i = find_gfx_ctx_driver_index(g_settings.video.context_driver);
if (i > 0)
strlcpy(g_settings.video.context_driver, gfx_ctx_drivers[i - 1]->ident,
sizeof(g_settings.video.context_driver));
else
RARCH_WARN("Couldn't find any previous video context driver.\n");
}
void find_next_context_driver(void)
{
int i = find_gfx_ctx_driver_index(g_settings.video.context_driver);
if (i >= 0 && gfx_ctx_drivers[i + 1])
strlcpy(g_settings.video.context_driver, gfx_ctx_drivers[i + 1]->ident,
sizeof(g_settings.video.context_driver));
else
RARCH_WARN("Couldn't find any next video context driver.\n");
}
static const gfx_ctx_driver_t *ctx_init(void *data,
@ -91,11 +108,6 @@ static const gfx_ctx_driver_t *ctx_init(void *data,
enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx)
{
const gfx_ctx_driver_t *tmp = gfx_ctx_find_driver(driver);
if (tmp)
ctx = (const gfx_ctx_driver_t*)tmp;
if (ctx->bind_api(data, api, major, minor))
{
if (ctx->bind_hw_render)
@ -109,22 +121,52 @@ static const gfx_ctx_driver_t *ctx_init(void *data,
return NULL;
}
static const gfx_ctx_driver_t *gfx_ctx_find_driver(void *data,
const char *ident,
enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx)
{
unsigned d;
const gfx_ctx_driver_t *ctx = NULL;
int i = find_gfx_ctx_driver_index(ident);
if (i >= 0)
return ctx_init(data, gfx_ctx_drivers[i], ident,
api, major, minor, hw_render_ctx);
RARCH_ERR("Couldn't find any video context driver named \"%s\"\n", ident);
RARCH_LOG_OUTPUT("Available video context drivers are:\n");
for (d = 0; gfx_ctx_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", gfx_ctx_drivers[d]->ident);
RARCH_WARN("Going to default to first suitable video context driver ...\n");
for (i = 0; gfx_ctx_drivers[i]; i++)
{
ctx = ctx_init(data, gfx_ctx_drivers[i], ident,
api, major, minor, hw_render_ctx);
if (ctx)
{
RARCH_LOG("Selected %s driver.\n", gfx_ctx_drivers[i]->ident);
return ctx;
}
}
return NULL;
}
const gfx_ctx_driver_t *gfx_ctx_init_first(void *data,
const char *driver,
enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx)
{
unsigned i;
const gfx_ctx_driver_t *ctx = NULL;
const gfx_ctx_driver_t *ctx = (const gfx_ctx_driver_t*)
gfx_ctx_find_driver(data, driver, api, major, minor,
hw_render_ctx);
for (i = 0; gfx_ctx_drivers[i]; i++)
{
ctx = ctx_init(data, gfx_ctx_drivers[i], driver,
api, major, minor, hw_render_ctx);
if (!ctx)
return NULL;
if (ctx)
return ctx;
}
return NULL;
return ctx;
}

3
gfx/gfx_context.h
View File

@ -146,9 +146,6 @@ extern const gfx_ctx_driver_t gfx_ctx_apple;
extern const gfx_ctx_driver_t gfx_ctx_emscripten;
extern const gfx_ctx_driver_t gfx_ctx_null;
/* Finds driver with ident. Does not initialize. */
const gfx_ctx_driver_t *gfx_ctx_find_driver(const char *ident);
/* Finds first suitable driver and initializes. */
const gfx_ctx_driver_t *gfx_ctx_init_first(void *data, const char *driver,
enum gfx_ctx_api api, unsigned major, unsigned minor, bool hw_render_ctx);