The 2D pipe is useful to implement fast planar and interleaved YUV buffer
imports. Not all systems have a 2D capable core, so this is strictly
optional.
Signed-off-by: Lucas Stach <l.st...@pengutronix.de>
---
src/gallium/drivers/etnaviv/etnaviv_context.c | 6 ++
src/gallium/drivers/etnaviv/etnaviv_context.h | 1 +
src/gallium/drivers/etnaviv/etnaviv_screen.c | 68 +++++++++++++++++++
src/gallium/drivers/etnaviv/etnaviv_screen.h | 6 ++
4 files changed, 81 insertions(+)
diff --git a/src/gallium/drivers/etnaviv/etnaviv_context.c
b/src/gallium/drivers/etnaviv/etnaviv_context.c
index 3038d210e109..96cf2f3b59a8 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_context.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_context.c
@@ -72,6 +72,9 @@ etna_context_destroy(struct pipe_context *pctx)
if (ctx->stream)
etna_cmd_stream_del(ctx->stream);
+ if (ctx->stream2d)
+ etna_cmd_stream_del(ctx->stream2d);
+
slab_destroy_child(&ctx->transfer_pool);
if (ctx->in_fence_fd != -1)
@@ -431,6 +434,9 @@ etna_context_create(struct pipe_screen *pscreen, void
*priv, unsigned flags)
if (ctx->stream == NULL)
goto fail;
+ if (screen->pipe2d)
+ ctx->stream2d = etna_cmd_stream_new(screen->pipe2d, 0x1000, NULL, NULL);
+
/* context ctxate setup */
ctx->specs = screen->specs;
ctx->screen = screen;
diff --git a/src/gallium/drivers/etnaviv/etnaviv_context.h
b/src/gallium/drivers/etnaviv/etnaviv_context.h
index 584caa77080b..ef2752c61456 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_context.h
+++ b/src/gallium/drivers/etnaviv/etnaviv_context.h
@@ -109,6 +109,7 @@ struct etna_context {
struct etna_specs specs;
struct etna_screen *screen;
struct etna_cmd_stream *stream;
+ struct etna_cmd_stream *stream2d;
/* which state objects need to be re-emit'd: */
enum {
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c
b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index 04c7a873de65..2c975084f08f 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -90,6 +90,12 @@ etna_screen_destroy(struct pipe_screen *pscreen)
if (screen->gpu)
etna_gpu_del(screen->gpu);
+ if (screen->pipe2d)
+ etna_pipe_del(screen->pipe2d);
+
+ if (screen->gpu2d)
+ etna_gpu_del(screen->gpu2d);
+
if (screen->ro)
FREE(screen->ro);
@@ -877,6 +883,66 @@ etna_screen_bo_from_handle(struct pipe_screen *pscreen,
return bo;
}
+static void etna_screen_init_2d(struct etna_screen *screen)
+{
+ struct etna_gpu *gpu2d = NULL;
+ uint64_t val;
+ int ret, i;
+
+ /* If the current GPU is a combined 2d/3D core, use it as 2D engine */
+ if (screen->features[0] & chipFeatures_PIPE_2D)
+ gpu2d = screen->gpu;
+
+ /* otherwise search for a 2D capable core */
+ if (!gpu2d) {
+ for (i = 0;; i++) {
+ gpu2d = etna_gpu_new(screen->dev, i);
+ if (!gpu2d)
+ return;
+
+ ret = etna_gpu_get_param(gpu2d, ETNA_GPU_FEATURES_0, &val);
+ if (!ret && (val & chipFeatures_PIPE_2D)) {
+ screen->gpu2d = gpu2d;
+ break;
+ }
+
+ etna_gpu_del(gpu2d);
+ }
+ }
+
+ if (etna_gpu_get_param(screen->gpu2d, ETNA_GPU_FEATURES_0, &val))
+ return;
+ screen->features2d[0] = val;
+
+ if (etna_gpu_get_param(screen->gpu2d, ETNA_GPU_FEATURES_1, &val))
+ return;
+ screen->features2d[1] = val;
+
+ if (etna_gpu_get_param(screen->gpu2d, ETNA_GPU_FEATURES_2, &val))
+ return;
+ screen->features2d[2] = val;
+
+ if (etna_gpu_get_param(screen->gpu2d, ETNA_GPU_FEATURES_3, &val))
+ return;
+ screen->features2d[3] = val;
+
+ if (etna_gpu_get_param(screen->gpu2d, ETNA_GPU_FEATURES_4, &val))
+ return;
+ screen->features2d[4] = val;
+
+ if (etna_gpu_get_param(screen->gpu2d, ETNA_GPU_FEATURES_5, &val))
+ return;
+ screen->features2d[5] = val;
+
+ if (etna_gpu_get_param(screen->gpu2d, ETNA_GPU_FEATURES_6, &val))
+ return;
+ screen->features2d[6] = val;
+
+ screen->pipe2d = etna_pipe_new(gpu2d, ETNA_PIPE_2D);
+ if (!screen->pipe2d)
+ DBG("could not create 2d pipe");
+}
+
struct pipe_screen *
etna_screen_create(struct etna_device *dev, struct etna_gpu *gpu,
struct renderonly *ro)
@@ -970,6 +1036,8 @@ etna_screen_create(struct etna_device *dev, struct
etna_gpu *gpu,
}
screen->features[6] = val;
+ etna_screen_init_2d(screen);
+
if (!etna_get_specs(screen))
goto fail;
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.h
b/src/gallium/drivers/etnaviv/etnaviv_screen.h
index bffd4b6ef94a..f529d337ea1d 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.h
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.h
@@ -58,6 +58,9 @@ enum viv_features_word {
#define VIV_FEATURE(screen, word, feature) \
((screen->features[viv_ ## word] & (word ## _ ## feature)) != 0)
+#define VIV_2D_FEATURE(screen, word, feature) \
+ ((screen->features2d[viv_ ## word] & (word ## _ ## feature)) != 0)
+
struct etna_screen {
struct pipe_screen base;
@@ -66,7 +69,9 @@ struct etna_screen {
struct etna_device *dev;
struct etna_gpu *gpu;
+ struct etna_gpu *gpu2d;
struct etna_pipe *pipe;
+ struct etna_pipe *pipe2d;
struct etna_perfmon *perfmon;
struct renderonly *ro;
@@ -76,6 +81,7 @@ struct etna_screen {
uint32_t model;
uint32_t revision;
uint32_t features[VIV_FEATURES_WORD_COUNT];
+ uint32_t features2d[VIV_FEATURES_WORD_COUNT];
struct etna_specs specs;
--
2.18.0
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