Changeset 95051 in vbox for trunk/src/VBox/Devices/Graphics

Timestamp:

May 20, 2022 7:48:49 PM (3 years ago)

Author:

vboxsync

Message:

Devices/Graphics: shader parser: bugref:9830

File:

• trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-dx-shader.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-dx-shader.cpp

@@ -2004 +2004 @@
                 && opcode.opcodeType == VGPU10_OPCODE_DCL_RESOURCE)
             {
-                ASSERT_GUEST_STMT_BREAK(pInfo->cDclResource <= SVGA3D_DX_MAX_SRVIEWS,
-                                        rc = VERR_NOT_SUPPORTED);
-
-                pInfo->aOffDclResource[pInfo->cDclResource++] = offOpcode;
+                if (   opcode.cOperand == 1
+                    && opcode.aValOperand[0].indexDimension == VGPU10_OPERAND_INDEX_1D
+                    && opcode.aValOperand[0].aOperandIndex[0].indexRepresentation == VGPU10_OPERAND_INDEX_IMMEDIATE32)
+                {
+                    uint32_t const indexResource = opcode.aValOperand[0].aOperandIndex[0].iOperandImmediate;
+                    if (indexResource < SVGA3D_DX_MAX_SRVIEWS)
+                    {
+                        ASSERT_GUEST(pInfo->aOffDclResource[indexResource] == 0);
+                        pInfo->aOffDclResource[indexResource] = offOpcode;
+                        pInfo->cDclResource = RT_MAX(pInfo->cDclResource, indexResource + 1);
+                    }
+                    else
+                        ASSERT_GUEST_FAILED();
+                }
+                else
+                    ASSERT_GUEST_FAILED();
             }