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fixing ffi
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kbz_8
2026-06-14 23:47:34 +02:00
parent 52ded6b490
commit 42554a5cc1
4 changed files with 305 additions and 88 deletions
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ffi/runtime.zig
+177 -19
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@@ -45,14 +45,67 @@ const ImageOffset = extern struct {
z: c_int,
};
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 sampleImageFloat4_PFN = *const fn (driver_image: ?*anyopaque, driver_sampler: ?*anyopaque, dim: spv.spv.SpvDim, x: f32, y: f32, z: f32, has_lod: ffi.SpvCBool, lod: f32, offset: ImageOffset, dst: *Vec4f) callconv(.c) ffi.Result;
const sampleImageInt4_PFN = *const fn (driver_image: ?*anyopaque, driver_sampler: ?*anyopaque, dim: spv.spv.SpvDim, x: f32, y: f32, z: f32, has_lod: ffi.SpvCBool, lod: f32, offset: ImageOffset, dst: *Vec4u) callconv(.c) ffi.Result;
const sampleImageDref_PFN = *const fn (driver_image: ?*anyopaque, driver_sampler: ?*anyopaque, dim: spv.spv.SpvDim, x: f32, y: f32, z: f32, dref: f32, has_lod: ffi.SpvCBool, lod: f32, offset: ImageOffset, dst: *f32) callconv(.c) ffi.Result;
const queryImageSize_PFN = *const fn (driver_image: ?*anyopaque, dim: spv.spv.SpvDim, arrayed: ffi.SpvCBool, dst: *Vec4u) callconv(.c) ffi.Result;
const ImageDerivatives = extern struct {
dx: Vec4f,
dy: Vec4f,
};
const ReadImageInfo = extern struct {
driver_image: ?*anyopaque,
dim: spv.spv.SpvDim,
x: c_int,
y: c_int,
z: c_int,
lod: c_int,
has_lod: ffi.SpvCBool,
};
const WriteImageInfo = extern struct {
driver_image: ?*anyopaque,
dim: spv.spv.SpvDim,
x: c_int,
y: c_int,
z: c_int,
};
const SampleImageInfo = extern struct {
driver_image: ?*anyopaque,
driver_sampler: ?*anyopaque,
dim: spv.spv.SpvDim,
x: f32,
y: f32,
z: f32,
lod: f32,
has_lod: ffi.SpvCBool,
offset: ImageOffset,
};
const QueryImageInfo = extern struct {
driver_image: ?*anyopaque,
dim: spv.spv.SpvDim,
arrayed: ffi.SpvCBool,
lod: c_int,
has_lod: ffi.SpvCBool,
};
const QueryImageLodInfo = extern struct {
driver_image: ?*anyopaque,
driver_sampler: ?*anyopaque,
dim: spv.spv.SpvDim,
derivatives: ImageDerivatives,
};
const readImageFloat4_PFN = *const fn (info: ReadImageInfo, dst: *Vec4f) callconv(.c) ffi.Result;
const readImageInt4_PFN = *const fn (info: ReadImageInfo, dst: *Vec4u) callconv(.c) ffi.Result;
const writeImageFloat4_PFN = *const fn (info: WriteImageInfo, src: Vec4f) callconv(.c) ffi.Result;
const writeImageInt4_PFN = *const fn (info: WriteImageInfo, src: Vec4u) callconv(.c) ffi.Result;
const sampleImageFloat4_PFN = *const fn (info: SampleImageInfo, dst: *Vec4f) callconv(.c) ffi.Result;
const sampleImageInt4_PFN = *const fn (info: SampleImageInfo, dst: *Vec4u) callconv(.c) ffi.Result;
const sampleImageDref_PFN = *const fn (info: SampleImageInfo, dref: f32, dst: *f32) callconv(.c) ffi.Result;
const queryImageSize_PFN = *const fn (info: QueryImageInfo, dst: *Vec4u) callconv(.c) ffi.Result;
const queryImageLevels_PFN = *const fn (driver_image: ?*anyopaque, dst: *ffi.SpvCSize) callconv(.c) ffi.Result;
const queryImageSamples_PFN = *const fn (driver_image: ?*anyopaque, dst: *ffi.SpvCSize) callconv(.c) ffi.Result;
const queryImageLod_PFN = *const fn (info: QueryImageLodInfo, dst: *Vec4f) callconv(.c) ffi.Result;
const ImageAPI = extern struct {
readImageFloat4: readImageFloat4_PFN,
@@ -63,6 +116,9 @@ const ImageAPI = extern struct {
sampleImageInt4: sampleImageInt4_PFN,
sampleImageDref: sampleImageDref_PFN,
queryImageSize: queryImageSize_PFN,
queryImageLevels: queryImageLevels_PFN,
queryImageSamples: queryImageSamples_PFN,
queryImageLod: queryImageLod_PFN,
};
fn toCResult(err: spv.Runtime.RuntimeError) ffi.Result {
@@ -119,11 +175,55 @@ const ImageAPIBridge = struct {
return current_image_api orelse spv.Runtime.RuntimeError.Unknown;
}
fn readImageFloat4(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(f32) {
fn toCVec4f(value: spv.Runtime.Vec4(f32)) Vec4f {
return .{ .x = value.x, .y = value.y, .z = value.z, .w = value.w };
}
fn toCVec4u(value: spv.Runtime.Vec4(u32)) Vec4u {
return .{ .x = value.x, .y = value.y, .z = value.z, .w = value.w };
}
fn readImageInfo(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32, lod: ?i32) ReadImageInfo {
return .{
.driver_image = driver_image,
.dim = dim,
.x = @intCast(x),
.y = @intCast(y),
.z = @intCast(z),
.lod = @intCast(lod orelse 0),
.has_lod = if (lod == null) 0 else 1,
};
}
fn writeImageInfo(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32) WriteImageInfo {
return .{
.driver_image = driver_image,
.dim = dim,
.x = @intCast(x),
.y = @intCast(y),
.z = @intCast(z),
};
}
fn sampleImageInfo(driver_image: *anyopaque, driver_sampler: *anyopaque, dim: spv.spv.SpvDim, x: f32, y: f32, z: f32, lod: ?f32, offset: spv.Runtime.ImageOffset) SampleImageInfo {
return .{
.driver_image = driver_image,
.driver_sampler = driver_sampler,
.dim = dim,
.x = x,
.y = y,
.z = z,
.lod = lod orelse 0.0,
.has_lod = if (lod == null) 0 else 1,
.offset = toCImageOffset(offset),
};
}
fn readImageFloat4(driver_image: *anyopaque, dim: spv.spv.SpvDim, x: i32, y: i32, z: i32, lod: ?i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(f32) {
const image_api = try getImageAPI();
var dst: Vec4f = undefined;
const result = image_api.readImageFloat4(driver_image, dim, @intCast(x), @intCast(y), @intCast(z), &dst);
const result = image_api.readImageFloat4(readImageInfo(driver_image, dim, x, y, z, lod), &dst);
try fromCResult(result);
@@ -135,11 +235,11 @@ const ImageAPIBridge = struct {
};
}
fn readImageInt4(driver_image: *anyopaque, dim: spv.spv.SpvDim, 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, lod: ?i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(u32) {
const image_api = try getImageAPI();
var dst: Vec4u = undefined;
const result = image_api.readImageInt4(driver_image, dim, @intCast(x), @intCast(y), @intCast(z), &dst);
const result = image_api.readImageInt4(readImageInfo(driver_image, dim, x, y, z, lod), &dst);
try fromCResult(result);
@@ -154,7 +254,7 @@ const ImageAPIBridge = struct {
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, dim, @intCast(x), @intCast(y), @intCast(z), .{ .x = pixel.x, .y = pixel.y, .z = pixel.z, .w = pixel.w });
const result = image_api.writeImageFloat4(writeImageInfo(driver_image, dim, x, y, z), toCVec4f(pixel));
try fromCResult(result);
}
@@ -162,7 +262,7 @@ const ImageAPIBridge = struct {
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, dim, @intCast(x), @intCast(y), @intCast(z), .{ .x = pixel.x, .y = pixel.y, .z = pixel.z, .w = pixel.w });
const result = image_api.writeImageInt4(writeImageInfo(driver_image, dim, x, y, z), toCVec4u(pixel));
try fromCResult(result);
}
@@ -179,7 +279,7 @@ const ImageAPIBridge = struct {
const image_api = try getImageAPI();
var dst: Vec4f = undefined;
const result = image_api.sampleImageFloat4(driver_image, driver_sampler, dim, x, y, z, if (lod == null) 0 else 1, lod orelse 0.0, toCImageOffset(offset), &dst);
const result = image_api.sampleImageFloat4(sampleImageInfo(driver_image, driver_sampler, dim, x, y, z, lod, offset), &dst);
try fromCResult(result);
@@ -195,7 +295,7 @@ const ImageAPIBridge = struct {
const image_api = try getImageAPI();
var dst: Vec4u = undefined;
const result = image_api.sampleImageInt4(driver_image, driver_sampler, dim, x, y, z, if (lod == null) 0 else 1, lod orelse 0.0, toCImageOffset(offset), &dst);
const result = image_api.sampleImageInt4(sampleImageInfo(driver_image, driver_sampler, dim, x, y, z, lod, offset), &dst);
try fromCResult(result);
@@ -211,18 +311,70 @@ const ImageAPIBridge = struct {
const image_api = try getImageAPI();
var dst: f32 = undefined;
const result = image_api.sampleImageDref(driver_image, driver_sampler, dim, x, y, z, dref, if (lod == null) 0 else 1, lod orelse 0.0, toCImageOffset(offset), &dst);
const result = image_api.sampleImageDref(sampleImageInfo(driver_image, driver_sampler, dim, x, y, z, lod, offset), dref, &dst);
try fromCResult(result);
return dst;
}
fn queryImageSize(driver_image: *anyopaque, dim: spv.spv.SpvDim, arrayed: bool) spv.Runtime.RuntimeError!spv.Runtime.Vec4(u32) {
fn queryImageSize(driver_image: *anyopaque, dim: spv.spv.SpvDim, arrayed: bool, lod: ?i32) spv.Runtime.RuntimeError!spv.Runtime.Vec4(u32) {
const image_api = try getImageAPI();
var dst: Vec4u = undefined;
const result = image_api.queryImageSize(driver_image, dim, if (arrayed) 1 else 0, &dst);
const result = image_api.queryImageSize(.{
.driver_image = driver_image,
.dim = dim,
.arrayed = if (arrayed) 1 else 0,
.lod = @intCast(lod orelse 0),
.has_lod = if (lod == null) 0 else 1,
}, &dst);
try fromCResult(result);
return .{
.x = dst.x,
.y = dst.y,
.z = dst.z,
.w = dst.w,
};
}
fn queryImageLevels(driver_image: *anyopaque) spv.Runtime.RuntimeError!u32 {
const image_api = try getImageAPI();
var dst: ffi.SpvCSize = undefined;
const result = image_api.queryImageLevels(driver_image, &dst);
try fromCResult(result);
return @intCast(dst);
}
fn queryImageSamples(driver_image: *anyopaque) spv.Runtime.RuntimeError!u32 {
const image_api = try getImageAPI();
var dst: ffi.SpvCSize = undefined;
const result = image_api.queryImageSamples(driver_image, &dst);
try fromCResult(result);
return @intCast(dst);
}
fn queryImageLod(driver_image: *anyopaque, driver_sampler: *anyopaque, dim: spv.spv.SpvDim, derivatives: spv.Runtime.ImageDerivatives) spv.Runtime.RuntimeError!spv.Runtime.Vec4(f32) {
const image_api = try getImageAPI();
var dst: Vec4f = undefined;
const result = image_api.queryImageLod(.{
.driver_image = driver_image,
.driver_sampler = driver_sampler,
.dim = dim,
.derivatives = .{
.dx = toCVec4f(derivatives.dx),
.dy = toCVec4f(derivatives.dy),
},
}, &dst);
try fromCResult(result);
@@ -258,6 +410,9 @@ export fn SpvInitRuntime(rt: **RuntimeWrapper, module: *spv.Module, image_api: I
.sampleImageInt4 = ImageAPIBridge.sampleImageInt4,
.sampleImageDref = ImageAPIBridge.sampleImageDref,
.queryImageSize = ImageAPIBridge.queryImageSize,
.queryImageLevels = ImageAPIBridge.queryImageLevels,
.queryImageSamples = ImageAPIBridge.queryImageSamples,
.queryImageLod = ImageAPIBridge.queryImageLod,
},
) catch |err| {
allocator.destroy(rt.*);
@@ -284,6 +439,9 @@ export fn SpvInitRuntimeFrom(rt: **RuntimeWrapper, other: *RuntimeWrapper, image
.sampleImageInt4 = ImageAPIBridge.sampleImageInt4,
.sampleImageDref = ImageAPIBridge.sampleImageDref,
.queryImageSize = ImageAPIBridge.queryImageSize,
.queryImageLevels = ImageAPIBridge.queryImageLevels,
.queryImageSamples = ImageAPIBridge.queryImageSamples,
.queryImageLod = ImageAPIBridge.queryImageLod,
},
) catch |err| {
allocator.destroy(rt.*);