Although this is not functional (and the command stream side is not
aiming for ES3 right now), this is enough to run dEQP-GLES3 shader
tests with the version override directive; this is useful, as some ES3
shader feature can occur in ES2 class shaders due to lowering.
Signed-off-by: Alyssa Rosenzweig <aly...@rosenzweig.io>
---
src/gallium/drivers/panfrost/pan_context.c | 44 ++++++++++++++++++++++
src/gallium/drivers/panfrost/pan_screen.c | 11 +++++-
2 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/panfrost/pan_context.c
b/src/gallium/drivers/panfrost/pan_context.c
index 46b34adc02f..6ed34a6740b 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -2449,6 +2449,46 @@ panfrost_get_query_result(struct pipe_context *pipe,
return true;
}
+static struct pipe_stream_output_target *
+panfrost_create_stream_output_target(struct pipe_context *pctx,
+ struct pipe_resource *prsc,
+ unsigned buffer_offset,
+ unsigned buffer_size)
+{
+ struct pipe_stream_output_target *target;
+
+ target = CALLOC_STRUCT(pipe_stream_output_target);
+
+ if (!target)
+ return NULL;
+
+ pipe_reference_init(&target->reference, 1);
+ pipe_resource_reference(&target->buffer, prsc);
+
+ target->context = pctx;
+ target->buffer_offset = buffer_offset;
+ target->buffer_size = buffer_size;
+
+ return target;
+}
+
+static void
+panfrost_stream_output_target_destroy(struct pipe_context *pctx,
+ struct pipe_stream_output_target *target)
+{
+ pipe_resource_reference(&target->buffer, NULL);
+ free(target);
+}
+
+static void
+panfrost_set_stream_output_targets(struct pipe_context *pctx,
+ unsigned num_targets,
+ struct pipe_stream_output_target **targets,
+ const unsigned *offsets)
+{
+ /* STUB */
+}
+
static void
panfrost_setup_hardware(struct panfrost_context *ctx)
{
@@ -2553,6 +2593,10 @@ panfrost_create_context(struct pipe_screen *screen, void
*priv, unsigned flags)
gallium->end_query = panfrost_end_query;
gallium->get_query_result = panfrost_get_query_result;
+ gallium->create_stream_output_target =
panfrost_create_stream_output_target;
+ gallium->stream_output_target_destroy =
panfrost_stream_output_target_destroy;
+ gallium->set_stream_output_targets =
panfrost_set_stream_output_targets;
+
panfrost_resource_context_init(gallium);
pscreen->driver->init_context(ctx);
diff --git a/src/gallium/drivers/panfrost/pan_screen.c
b/src/gallium/drivers/panfrost/pan_screen.c
index 9672048bca8..45569d59535 100644
--- a/src/gallium/drivers/panfrost/pan_screen.c
+++ b/src/gallium/drivers/panfrost/pan_screen.c
@@ -111,6 +111,14 @@ panfrost_get_param(struct pipe_screen *screen, enum
pipe_cap param)
case PIPE_CAP_TEXTURE_SWIZZLE:
return 1;
+ /* TODO: ES3. We expose these caps so we can access higher dEQP
+ * tests; in actuality they are nonfunctional */
+ case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
+ return 4;
+ case PIPE_CAP_TGSI_INSTANCEID:
+ case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
+ return 1;
+
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
@@ -285,6 +293,7 @@ panfrost_get_shader_param(struct pipe_screen *screen,
return 0;
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
+ return 0;
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
@@ -306,7 +315,7 @@ panfrost_get_shader_param(struct pipe_screen *screen,
return 16 * 1024 * sizeof(float);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
- return 1;
+ return 4;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
return 0;
--
2.20.1
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