From 86d5b4e556072e86b9af3ac8a4ef6842a8d9df67 Mon Sep 17 00:00:00 2001 From: FengChen Date: Mon, 12 Dec 2022 22:17:33 +0800 Subject: video_core: Implement vulkan QuadStrip topology --- src/video_core/host_shaders/vulkan_quad_indexed.comp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'src/video_core/host_shaders/vulkan_quad_indexed.comp') diff --git a/src/video_core/host_shaders/vulkan_quad_indexed.comp b/src/video_core/host_shaders/vulkan_quad_indexed.comp index a412f30ff..066fe4a9c 100644 --- a/src/video_core/host_shaders/vulkan_quad_indexed.comp +++ b/src/video_core/host_shaders/vulkan_quad_indexed.comp @@ -16,6 +16,7 @@ layout (std430, set = 0, binding = 1) writeonly buffer OutputBuffer { layout (push_constant) uniform PushConstants { uint base_vertex; int index_shift; // 0: uint8, 1: uint16, 2: uint32 + int is_strip; // 0: quads 1: quadstrip }; void main() { @@ -28,9 +29,10 @@ void main() { int flipped_shift = 2 - index_shift; int mask = (1 << flipped_shift) - 1; - const int quad_swizzle[6] = int[](0, 1, 2, 0, 2, 3); + const int quads_swizzle[6] = int[](0, 1, 2, 0, 2, 3); + const int quad_strip_swizzle[6] = int[](0, 3, 1, 0, 2, 3); for (uint vertex = 0; vertex < 6; ++vertex) { - int offset = primitive * 4 + quad_swizzle[vertex]; + int offset = (is_strip == 0 ? primitive * 4 + quads_swizzle[vertex] : primitive * 2 + quad_strip_swizzle[vertex]); int int_offset = offset >> flipped_shift; int bit_offset = (offset & mask) * index_size; uint packed_input = input_indexes[int_offset]; -- cgit v1.2.3