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tu: Add support for NULL index buffer

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Signed-off-by: Valentine Burley <valentine.burley@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28360>
This commit is contained in:
Valentine Burley
2024-03-24 16:10:30 +00:00
committed by Marge Bot
parent 7ac6aaf522
commit 94e2c6d000
1 changed files with 13 additions and 7 deletions
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src/freedreno/vulkan/tu_cmd_buffer.cc
+13 -7
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@@ -2503,7 +2503,7 @@ tu_CmdBindIndexBuffer2KHR(VkCommandBuffer commandBuffer,
VK_FROM_HANDLE(tu_cmd_buffer, cmd, commandBuffer);
VK_FROM_HANDLE(tu_buffer, buf, buffer);
size = vk_buffer_range(&buf->vk, offset, size);
size = buf ? vk_buffer_range(&buf->vk, offset, size) : 0;
uint32_t index_size, index_shift;
uint32_t restart_index = vk_index_to_restart(indexType);
@@ -2525,13 +2525,19 @@ tu_CmdBindIndexBuffer2KHR(VkCommandBuffer commandBuffer,
unreachable("invalid VkIndexType");
}
/* initialize/update the restart index */
if (cmd->state.index_size != index_size)
tu_cs_emit_regs(&cmd->draw_cs, A6XX_PC_RESTART_INDEX(restart_index));
if (buf) {
/* initialize/update the restart index */
if (cmd->state.index_size != index_size)
tu_cs_emit_regs(&cmd->draw_cs, A6XX_PC_RESTART_INDEX(restart_index));
cmd->state.index_va = buf->iova + offset;
cmd->state.max_index_count = size >> index_shift;
cmd->state.index_size = index_size;
cmd->state.index_va = buf->iova + offset;
cmd->state.max_index_count = size >> index_shift;
cmd->state.index_size = index_size;
} else {
cmd->state.index_va = 0;
cmd->state.max_index_count = 0;
cmd->state.index_size = 0;
}
}
template <chip CHIP>