[Mesa-dev] [PATCH] radv: fix getting the vertex strides if the bindings aren't contiguous

[Samuel Pitoiset]

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110349
Fixes: a66b186bebf ("radv: use typed buffer loads for vertex input fetches")
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/amd/vulkan/radv_pipeline.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index 83a06226ada..d96ae9a4223 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -1827,6 +1827,20 @@ radv_link_shaders(struct radv_pipeline *pipeline, nir_shader **shaders)
 	}
 }
 
+static uint32_t
+radv_get_attrib_stride(const VkPipelineVertexInputStateCreateInfo *input_state,
+		       uint32_t attrib_binding)
+{
+	for (uint32_t i = 0; i < input_state->vertexBindingDescriptionCount; i++) {
+		const VkVertexInputBindingDescription *input_binding =
+			&input_state->pVertexBindingDescriptions[i];
+
+		if (input_binding->binding == attrib_binding)
+			return input_binding->stride;
+	}
+
+	return 0;
+}
 
 static struct radv_pipeline_key
 radv_generate_graphics_pipeline_key(struct radv_pipeline *pipeline,
@@ -1886,7 +1900,7 @@ radv_generate_graphics_pipeline_key(struct radv_pipeline *pipeline,
 		key.vertex_attribute_formats[location] = data_format | (num_format << 4);
 		key.vertex_attribute_bindings[location] = desc->binding;
 		key.vertex_attribute_offsets[location] = desc->offset;
-		key.vertex_attribute_strides[location] = input_state->pVertexBindingDescriptions[desc->binding].stride;
+		key.vertex_attribute_strides[location] = radv_get_attrib_stride(input_state, desc->binding);
 
 		if (pipeline->device->physical_device->rad_info.chip_class <= VI &&
 		    pipeline->device->physical_device->rad_info.family != CHIP_STONEY) {
-- 
2.21.0