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adding pipeline dynamic state and vertex output interpollation
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kbz_8
2026-04-27 19:39:49 +02:00
parent f35bce907e
commit 02bb54b841
12 changed files with 286 additions and 80 deletions
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src/soft/device/vertex_dispatcher.zig
+28 -12
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@@ -12,6 +12,7 @@ const SoftPipeline = @import("../SoftPipeline.zig");
const VkError = base.VkError;
pub const RunData = struct {
allocator: std.mem.Allocator,
renderer: *Renderer,
pipeline: *SoftPipeline,
batch_id: usize,
@@ -45,20 +46,22 @@ inline fn run(data: RunData) !void {
else => return err,
};
for (data.pipeline.interface.mode.graphics.input_assembly.attribute_description orelse return) |attribute| {
const location_result = try rt.getResultByLocation(attribute.location, .input);
if (data.pipeline.interface.mode.graphics.input_assembly.attribute_description) |attributes| {
for (attributes) |attribute| {
const location_result = try rt.getResultByLocation(attribute.location, .input);
const binding_info = (data.pipeline.interface.mode.graphics.input_assembly.binding_description orelse return)[attribute.binding];
const binding_info = (data.pipeline.interface.mode.graphics.input_assembly.binding_description orelse return)[attribute.binding];
const vertex_buffer = data.renderer.state.data.graphics.vertex_buffers[attribute.binding];
const buffer = vertex_buffer.buffer;
const buffer_memory_size = base.format.texelSize(attribute.format);
const buffer_memory = if (buffer.interface.memory) |memory| memory else return VkError.InvalidDeviceMemoryDrv;
const offset = buffer.interface.offset + (binding_info.stride * invocation_index) + attribute.offset;
const vertex_buffer = data.renderer.state.data.graphics.vertex_buffers[attribute.binding];
const buffer = vertex_buffer.buffer;
const buffer_memory_size = base.format.texelSize(attribute.format);
const buffer_memory = if (buffer.interface.memory) |memory| memory else return VkError.InvalidDeviceMemoryDrv;
const offset = buffer.interface.offset + (binding_info.stride * invocation_index) + attribute.offset;
const buffer_memory_map: []u8 = @as([*]u8, @ptrCast(@alignCast(try buffer_memory.map(offset, buffer_memory_size))))[0..buffer_memory_size];
const buffer_memory_map: []u8 = @as([*]u8, @ptrCast(@alignCast(try buffer_memory.map(offset, buffer_memory_size))))[0..buffer_memory_size];
try rt.writeInput(buffer_memory_map, location_result);
try rt.writeInput(buffer_memory_map, location_result);
}
}
rt.callEntryPoint(allocator, entry) catch |err| switch (err) {
@@ -69,8 +72,21 @@ inline fn run(data: RunData) !void {
else => return err,
};
const output: *F32x4 = &data.draw_call.vertices[(data.instance_index * data.vertex_count) + invocation_index];
try rt.readBuiltIn(std.mem.asBytes(output), .Position);
const output: *Renderer.Vertex = &data.draw_call.vertices[(data.instance_index * data.vertex_count) + invocation_index];
try rt.readBuiltIn(std.mem.asBytes(&output.position), .Position);
for (0..spv.SPIRV_MAX_OUTPUT_LOCATIONS) |location| {
const result_word = rt.getResultByLocation(@intCast(location), .output) catch |err| switch (err) {
SpvRuntimeError.NotFound => continue,
else => return err,
};
if (result_word == 0)
continue;
const value = rt.results[result_word].getConstValue() catch continue;
const needed_size = try value.getPlainMemorySize();
output.outputs[location] = data.allocator.alloc(u8, needed_size) catch return VkError.OutOfDeviceMemory;
try rt.readOutput(output.outputs[location].?, result_word);
}
}
}