From db2596691e4e815bf0db637d8bca8529d72fc86d Mon Sep 17 00:00:00 2001
From: Courtney Goeltzenleuchter <courtney@LunarG.com>
Date: Fri, 1 Aug 2014 18:10:31 -0600
Subject: i965: Add GetGpuInfo function

---
 drivers/intel/gpuinfo.c | 115 ++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 112 insertions(+), 3 deletions(-)

(limited to 'drivers/intel')

diff --git a/drivers/intel/gpuinfo.c b/drivers/intel/gpuinfo.c
index 80db0d83..4651a8ab 100644
--- a/drivers/intel/gpuinfo.c
+++ b/drivers/intel/gpuinfo.c
@@ -25,26 +25,135 @@
  *    Courtney Goeltzenleuchter <courtney@lunarg.com>
  */
 
+#include <string.h>
 #include "driver.h"
+#include "GitSHA1.h"
 
-XGL_RESULT gen7_GetGpuInfo(XGL_PHYSICAL_GPU gpu,
-                           XGL_PHYSICAL_GPU_INFO_TYPE infoType,
-                           XGL_SIZE * pDataSize, XGL_VOID * pData)
+// TODO: Really want to eliminate these
+#define FAKE_PROPERTY 42
+
+// TODO: What command queues can we support?
+#define NUM_QUEUES 1
+
+XGL_RESULT XGLAPI gen7_GetGpuProperties(struct _xgl_device *pdev,
+                                        XGL_SIZE * pDataSize,
+                                        XGL_PHYSICAL_GPU_PROPERTIES * pData)
+{
+    const char *chipset;
+
+    *pDataSize = sizeof(XGL_PHYSICAL_GPU_PROPERTIES);
+    pData->apiVersion = XGL_API_VERSION;
+    // TODO: Should have driver version string
+    // TODO: What should version number look like?
+    pData->driverVersion = 1;
+
+    pData->vendorId = pdev->ven_id;
+    pData->deviceId = pdev->dev_id;
+    pData->gpuType = XGL_GPU_TYPE_INTEGRATED;
+    switch (pdev->dev_id) {
+#undef CHIPSET
+#define CHIPSET(id, symbol, str) case id: chipset = str; break;
+#include "i965_pci_ids.h"
+    default:
+       chipset = "Unknown Intel Chipset";
+       break;
+    }
+    strncpy((char *) pData->gpuName, chipset, XGL_MAX_PHYSICAL_GPU_NAME);
+
+    // TODO: Need real values here.
+    pData->maxMemRefsPerSubmission = FAKE_PROPERTY;
+    pData->virtualMemPageSize = FAKE_PROPERTY;
+    pData->maxInlineMemoryUpdateSize = FAKE_PROPERTY;
+    pData->maxBoundDescriptorSets = FAKE_PROPERTY;
+    pData->maxThreadGroupSize = FAKE_PROPERTY;
+    pData->timestampFrequency = FAKE_PROPERTY;
+    pData->multiColorAttachmentClears = FAKE_PROPERTY;
+    return XGL_SUCCESS;
+}
+
+XGL_RESULT XGLAPI gen7_GetGpuPerformance(struct _xgl_device *pdev,
+                                        XGL_SIZE * pDataSize,
+                                        XGL_PHYSICAL_GPU_PERFORMANCE * pData)
+{
+    *pDataSize = sizeof(XGL_PHYSICAL_GPU_PERFORMANCE);
+    pData->maxGpuClock = FAKE_PROPERTY;
+    pData->aluPerClock = FAKE_PROPERTY;
+    pData->texPerClock = FAKE_PROPERTY;
+    pData->primsPerClock = FAKE_PROPERTY;
+    pData->pixelsPerClock = FAKE_PROPERTY;
+
+    return XGL_SUCCESS;
+}
+
+XGL_RESULT XGLAPI gen7_GetGpuQueueProperties(struct _xgl_device *pdev,
+                                             XGL_SIZE * pDataSize,
+                                             XGL_PHYSICAL_GPU_QUEUE_PROPERTIES * pData)
+{
+    *pDataSize = NUM_QUEUES * sizeof(XGL_PHYSICAL_GPU_QUEUE_PROPERTIES);
+    pData[0].structSize = sizeof(XGL_PHYSICAL_GPU_QUEUE_PROPERTIES);
+    pData[0].queueFlags = XGL_QUEUE_GRAPHICS_BIT;
+    pData[0].queueCount = 1;  // TODO: What is this counting?
+    pData[0].supportsTimestamps = XGL_TRUE;
+
+    return XGL_SUCCESS;
+}
+
+XGL_RESULT XGLAPI gen7_GetGpuMemoryProperties(struct _xgl_device *pdev,
+                                             XGL_SIZE * pDataSize,
+                                             XGL_PHYSICAL_GPU_MEMORY_PROPERTIES * pData)
+{
+    *pDataSize = sizeof(XGL_PHYSICAL_GPU_MEMORY_PROPERTIES);
+
+    // TODO: Need to set the flags properly
+    pData[0].supportsMigration = XGL_FALSE;
+    pData[0].supportsPinning = XGL_TRUE;
+    pData[0].supportsVirtualMemoryRemapping = XGL_FALSE;
+
+    return XGL_SUCCESS;
+}
+
+XGL_RESULT XGLAPI gen7_GetGpuInfo(XGL_PHYSICAL_GPU gpu,
+                                  XGL_PHYSICAL_GPU_INFO_TYPE infoType,
+                                  XGL_SIZE * pDataSize, XGL_VOID * pData)
 {
     XGL_RESULT ret = XGL_SUCCESS;
     struct _xgl_device *pdev = (struct _xgl_device *) gpu;
 
     switch (infoType) {
     case XGL_INFO_TYPE_PHYSICAL_GPU_PROPERTIES:
+        if (pData == NULL) {
+            return XGL_ERROR_INVALID_POINTER;
+        }
+        return gen7_GetGpuProperties(pdev, pDataSize, pData);
         break;
 
     case XGL_INFO_TYPE_PHYSICAL_GPU_PERFORMANCE:
+        if (pData == NULL) {
+            return XGL_ERROR_INVALID_POINTER;
+        }
+        return gen7_GetGpuPerformance(pdev, pDataSize, pData);
         break;
 
     case XGL_INFO_TYPE_PHYSICAL_GPU_QUEUE_PROPERTIES:
+        /*
+         * XGL Programmers guide, page 33:
+         * to determine the data size an application calls
+         * xglGetGpuInfo() with a NULL data pointer. The
+         * expected data size for all queue property structures
+         * is returned in pDataSize
+         */
+        if (pData == NULL) {
+            // TODO: Count queues and return space needed
+            *pDataSize = NUM_QUEUES * sizeof(XGL_PHYSICAL_GPU_QUEUE_PROPERTIES);
+        }
+        return gen7_GetGpuQueueProperties(pdev, pDataSize, pData);
         break;
 
     case XGL_INFO_TYPE_PHYSICAL_GPU_MEMORY_PROPERTIES:
+        if (pData == NULL) {
+            return XGL_ERROR_INVALID_POINTER;
+        }
+        return gen7_GetGpuMemoryProperties(pdev, pDataSize, pData);
         break;
 
     default:
-- 
cgit v1.2.3