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improving image api
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kbz_8
2026-05-17 01:57:36 +02:00
parent 236c6496ff
commit a765246ee9
6 changed files with 163 additions and 141 deletions
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ffi/runtime.zig
+14 -13
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@@ -27,10 +27,10 @@ const Vec4u = extern struct {
w: c_uint,
};
const readImageFloat4_PFN = *const fn (driver_image: ?*anyopaque, x: c_int, y: c_int, z: c_int, dst: *Vec4f) callconv(.c) ffi.Result;
const readImageInt4_PFN = *const fn (driver_image: ?*anyopaque, x: c_int, y: c_int, z: c_int, dst: *Vec4u) callconv(.c) ffi.Result;
const writeImageFloat4_PFN = *const fn (driver_image: ?*anyopaque, x: c_int, y: c_int, z: c_int, src: Vec4f) callconv(.c) ffi.Result;
const writeImageInt4_PFN = *const fn (driver_image: ?*anyopaque, x: c_int, y: c_int, z: c_int, src: Vec4u) callconv(.c) ffi.Result;
const readImageFloat4_PFN = *const fn (driver_image: ?*anyopaque, dim: spv.spv.SpvDim, x: c_int, y: c_int, z: c_int, dst: *Vec4f) callconv(.c) ffi.Result;
const readImageInt4_PFN = *const fn (driver_image: ?*anyopaque, dim: spv.spv.SpvDim, x: c_int, y: c_int, z: c_int, dst: *Vec4u) callconv(.c) ffi.Result;
const writeImageFloat4_PFN = *const fn (driver_image: ?*anyopaque, dim: spv.spv.SpvDim, x: c_int, y: c_int, z: c_int, src: Vec4f) callconv(.c) ffi.Result;
const writeImageInt4_PFN = *const fn (driver_image: ?*anyopaque, dim: spv.spv.SpvDim, x: c_int, y: c_int, z: c_int, src: Vec4u) callconv(.c) ffi.Result;
const ImageAPI = extern struct {
readImageFloat4: readImageFloat4_PFN,
@@ -76,18 +76,19 @@ fn fromCResult(res: ffi.Result) spv.Runtime.RuntimeError!void {
};
}
/// Hacky wrapper
const ImageAPIBridge = struct {
threadlocal var current_image_api: ?*const ImageAPI = null; // Hacky
threadlocal var current_image_api: ?*const ImageAPI = null;
fn getImageAPI() spv.Runtime.RuntimeError!*const ImageAPI {
return current_image_api orelse spv.Runtime.RuntimeError.Unknown;
}
fn readImageFloat4(driver_image: *anyopaque, x: i32, y: i32, z: i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(f32) {
fn readImageFloat4(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(f32) {
const image_api = try getImageAPI();
var dst: Vec4f = undefined;
const result = image_api.readImageFloat4(driver_image, @intCast(x), @intCast(y), @intCast(z), &dst);
const result = image_api.readImageFloat4(driver_image, dim, @intCast(x), @intCast(y), @intCast(z), &dst);
try fromCResult(result);
@@ -99,11 +100,11 @@ const ImageAPIBridge = struct {
};
}
fn readImageInt4(driver_image: *anyopaque, x: i32, y: i32, z: i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(u32) {
fn readImageInt4(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(u32) {
const image_api = try getImageAPI();
var dst: Vec4u = undefined;
const result = image_api.readImageInt4(driver_image, @intCast(x), @intCast(y), @intCast(z), &dst);
const result = image_api.readImageInt4(driver_image, dim, @intCast(x), @intCast(y), @intCast(z), &dst);
try fromCResult(result);
@@ -115,18 +116,18 @@ const ImageAPIBridge = struct {
};
}
fn writeImageFloat4(driver_image: *anyopaque, x: i32, y: i32, z: i32, pixel: spv.Runtime.Vec4(f32)) spv.Runtime.RuntimeError!void {
fn writeImageFloat4(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32, pixel: spv.Runtime.Vec4(f32)) spv.Runtime.RuntimeError!void {
const image_api = try getImageAPI();
const result = image_api.writeImageFloat4(driver_image, @intCast(x), @intCast(y), @intCast(z), .{ .x = pixel.x, .y = pixel.y, .z = pixel.z, .w = pixel.w });
const result = image_api.writeImageFloat4(driver_image, dim, @intCast(x), @intCast(y), @intCast(z), .{ .x = pixel.x, .y = pixel.y, .z = pixel.z, .w = pixel.w });
try fromCResult(result);
}
fn writeImageInt4(driver_image: *anyopaque, x: i32, y: i32, z: i32, pixel: spv.Runtime.Vec4(u32)) spv.Runtime.RuntimeError!void {
fn writeImageInt4(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32, pixel: spv.Runtime.Vec4(u32)) spv.Runtime.RuntimeError!void {
const image_api = try getImageAPI();
const result = image_api.writeImageInt4(driver_image, @intCast(x), @intCast(y), @intCast(z), .{ .x = pixel.x, .y = pixel.y, .z = pixel.z, .w = pixel.w });
const result = image_api.writeImageInt4(driver_image, dim, @intCast(x), @intCast(y), @intCast(z), .{ .x = pixel.x, .y = pixel.y, .z = pixel.z, .w = pixel.w });
try fromCResult(result);
}