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-rw-r--r--src/video_core/host_shaders/astc_decoder.comp91
1 files changed, 43 insertions, 48 deletions
diff --git a/src/video_core/host_shaders/astc_decoder.comp b/src/video_core/host_shaders/astc_decoder.comp
index 0e611ede5..63b3d9f44 100644
--- a/src/video_core/host_shaders/astc_decoder.comp
+++ b/src/video_core/host_shaders/astc_decoder.comp
@@ -40,9 +40,6 @@ struct TexelWeightParams {
uvec2 size;
uint max_weight;
bool dual_plane;
- bool error_state;
- bool void_extent_ldr;
- bool void_extent_hdr;
};
layout(binding = BINDING_INPUT_BUFFER, std430) readonly restrict buffer InputBufferU32 {
@@ -983,28 +980,54 @@ int FindLayout(uint mode) {
return 5;
}
-TexelWeightParams DecodeBlockInfo() {
- TexelWeightParams params = TexelWeightParams(uvec2(0), 0, false, false, false, false);
- uint mode = StreamBits(11);
+
+void FillError(ivec3 coord) {
+ for (uint j = 0; j < block_dims.y; j++) {
+ for (uint i = 0; i < block_dims.x; i++) {
+ imageStore(dest_image, coord + ivec3(i, j, 0), vec4(0.0, 0.0, 0.0, 0.0));
+ }
+ }
+}
+
+void FillVoidExtentLDR(ivec3 coord) {
+ SkipBits(52);
+ const uint r_u = StreamBits(16);
+ const uint g_u = StreamBits(16);
+ const uint b_u = StreamBits(16);
+ const uint a_u = StreamBits(16);
+ const float a = float(a_u) / 65535.0f;
+ const float r = float(r_u) / 65535.0f;
+ const float g = float(g_u) / 65535.0f;
+ const float b = float(b_u) / 65535.0f;
+ for (uint j = 0; j < block_dims.y; j++) {
+ for (uint i = 0; i < block_dims.x; i++) {
+ imageStore(dest_image, coord + ivec3(i, j, 0), vec4(r, g, b, a));
+ }
+ }
+}
+
+bool IsError(uint mode) {
if ((mode & 0x1ff) == 0x1fc) {
if ((mode & 0x200) != 0) {
- params.void_extent_hdr = true;
- } else {
- params.void_extent_ldr = true;
+ // params.void_extent_hdr = true;
+ return true;
}
if ((mode & 0x400) == 0 || StreamBits(1) == 0) {
- params.error_state = true;
+ return true;
}
- return params;
+ return false;
}
if ((mode & 0xf) == 0) {
- params.error_state = true;
- return params;
+ return true;
}
if ((mode & 3) == 0 && (mode & 0x1c0) == 0x1c0) {
- params.error_state = true;
- return params;
+ return true;
}
+ return false;
+}
+
+TexelWeightParams DecodeBlockInfo(uint mode) {
+ TexelWeightParams params = TexelWeightParams(uvec2(0), 0, false);
uint A, B;
uint mode_layout = FindLayout(mode);
switch (mode_layout) {
@@ -1053,7 +1076,6 @@ TexelWeightParams DecodeBlockInfo() {
params.size = uvec2(A + 6, B + 6);
break;
default:
- params.error_state = true;
break;
}
params.dual_plane = (mode_layout != 9) && ((mode & 0x400) != 0);
@@ -1072,42 +1094,15 @@ TexelWeightParams DecodeBlockInfo() {
return params;
}
-void FillError(ivec3 coord) {
- for (uint j = 0; j < block_dims.y; j++) {
- for (uint i = 0; i < block_dims.x; i++) {
- imageStore(dest_image, coord + ivec3(i, j, 0), vec4(0.0, 0.0, 0.0, 0.0));
- }
- }
-}
-
-void FillVoidExtentLDR(ivec3 coord) {
- SkipBits(52);
- const uint r_u = StreamBits(16);
- const uint g_u = StreamBits(16);
- const uint b_u = StreamBits(16);
- const uint a_u = StreamBits(16);
- const float a = float(a_u) / 65535.0f;
- const float r = float(r_u) / 65535.0f;
- const float g = float(g_u) / 65535.0f;
- const float b = float(b_u) / 65535.0f;
- for (uint j = 0; j < block_dims.y; j++) {
- for (uint i = 0; i < block_dims.x; i++) {
- imageStore(dest_image, coord + ivec3(i, j, 0), vec4(r, g, b, a));
- }
- }
-}
-
void DecompressBlock(ivec3 coord) {
- const TexelWeightParams params = DecodeBlockInfo();
- if (params.error_state) {
- FillError(coord);
- return;
- }
- if (params.void_extent_hdr) {
+ uint mode = StreamBits(11);
+ const TexelWeightParams params = DecodeBlockInfo(mode);
+ if (IsError(mode)) {
FillError(coord);
return;
}
- if (params.void_extent_ldr) {
+ if ((mode & 0x1ff) == 0x1fc) {
+ // params.void_extent_ldr = true;
FillVoidExtentLDR(coord);
return;
}