[Intel-gfx] [PATCH 02/16] intel: Use the PCI ID map for determining chipset gen

[Kristian Høgsberg]

---
 src/mesa/drivers/dri/i915/Makefile        |    2 +-
 src/mesa/drivers/dri/i965/Makefile        |    2 +-
 src/mesa/drivers/dri/intel/intel_screen.c |   96 +++++++++++++++++++++++------
 3 files changed, 80 insertions(+), 20 deletions(-)

diff --git a/src/mesa/drivers/dri/i915/Makefile b/src/mesa/drivers/dri/i915/Makefile
index 79e03f2..16f4316 100644
--- a/src/mesa/drivers/dri/i915/Makefile
+++ b/src/mesa/drivers/dri/i915/Makefile
@@ -58,7 +58,7 @@ C_SOURCES = \
 
 ASM_SOURCES = 
 
-DRIVER_DEFINES = -I../intel -DI915 \
+DRIVER_DEFINES = -I../intel -I$(TOP)/include -DI915 \
 	$(shell pkg-config libdrm --atleast-version=2.3.1 \
 				&& echo "-DDRM_VBLANK_FLIP=DRM_VBLANK_FLIP")
 
diff --git a/src/mesa/drivers/dri/i965/Makefile b/src/mesa/drivers/dri/i965/Makefile
index 44f28cd..ed1497b 100644
--- a/src/mesa/drivers/dri/i965/Makefile
+++ b/src/mesa/drivers/dri/i965/Makefile
@@ -128,7 +128,7 @@ CXX_SOURCES = \
 
 ASM_SOURCES = 
 
-DRIVER_DEFINES = -I../intel
+DRIVER_DEFINES = -I../intel -I$(TOP)/include
 
 INCLUDES += $(INTEL_CFLAGS)
 DRI_LIB_DEPS += $(INTEL_LIBS)
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index deca11d..9939b4d 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -432,6 +432,37 @@ intelDestroyBuffer(__DRIdrawable * driDrawPriv)
  * init-designated function to register chipids and createcontext
  * functions.
  */
+
+struct intel_chipset {
+   int gen;
+};
+
+#define CHIPSET(id, name, info) { id, &intel_chipset_##info },
+
+
+struct intel_chipset_map {
+   int device_id;
+   const struct intel_chipset *chipset;
+};
+
+#ifdef I915
+
+static const struct intel_chipset intel_chipset_i8xx = {
+   .gen = 2
+};
+
+static const struct intel_chipset intel_chipset_i915 = {
+   .gen = 3
+};
+
+static const struct intel_chipset intel_chipset_i945 = {
+   .gen = 3
+};
+
+static const struct intel_chipset_map chipset_map[] = {
+#include "pci_ids/i915_pci_ids.h"
+};
+
 extern GLboolean i830CreateContext(const struct gl_config * mesaVis,
                                    __DRIcontext * driContextPriv,
                                    void *sharedContextPrivate);
@@ -440,21 +471,58 @@ extern GLboolean i915CreateContext(int api,
 				   const struct gl_config * mesaVis,
                                    __DRIcontext * driContextPriv,
                                    void *sharedContextPrivate);
+
+#else
+
+static const struct intel_chipset intel_chipset_i965 = {
+   .gen = 4
+};
+
+static const struct intel_chipset intel_chipset_g4x = {
+   .gen = 4
+};
+
+static const struct intel_chipset intel_chipset_ilk = {
+   .gen = 5
+};
+
+static const struct intel_chipset intel_chipset_snb_gt1 = {
+   .gen = 6
+};
+
+static const struct intel_chipset intel_chipset_snb_gt2 = {
+   .gen = 6
+};
+
+static const struct intel_chipset intel_chipset_ivb_gt1 = {
+   .gen = 7
+};
+
+static const struct intel_chipset intel_chipset_ivb_gt2 = {
+   .gen = 7
+};
+
+static const struct intel_chipset_map chipset_map[] = {
+#include "pci_ids/i965_pci_ids.h"
+};
+
 extern GLboolean brwCreateContext(int api,
 				  const struct gl_config * mesaVis,
 				  __DRIcontext * driContextPriv,
 				  void *sharedContextPrivate);
 
+#endif
+
 static GLboolean
 intelCreateContext(gl_api api,
 		   const struct gl_config * mesaVis,
                    __DRIcontext * driContextPriv,
                    void *sharedContextPrivate)
 {
+#ifdef I915
    __DRIscreen *sPriv = driContextPriv->driScreenPriv;
    struct intel_screen *intelScreen = sPriv->private;
 
-#ifdef I915
    if (IS_9XX(intelScreen->deviceID)) {
       if (!IS_965(intelScreen->deviceID)) {
 	 return i915CreateContext(api, mesaVis, driContextPriv,
@@ -465,12 +533,8 @@ intelCreateContext(gl_api api,
       return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate);
    }
 #else
-   if (IS_965(intelScreen->deviceID))
-      return brwCreateContext(api, mesaVis,
-			      driContextPriv, sharedContextPrivate);
+   return brwCreateContext(api, mesaVis, driContextPriv, sharedContextPrivate);
 #endif
-   fprintf(stderr, "Unrecognized deviceID 0x%x\n", intelScreen->deviceID);
-   return GL_FALSE;
 }
 
 static GLboolean
@@ -520,6 +584,7 @@ __DRIconfig **intelInitScreen2(__DRIscreen *psp)
    GLenum fb_type[3];
    unsigned int api_mask;
    char *devid_override;
+   int i;
 
    static const GLenum back_buffer_modes[] = {
        GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
@@ -556,18 +621,13 @@ __DRIconfig **intelInitScreen2(__DRIscreen *psp)
       intelScreen->deviceID = strtod(devid_override, NULL);
    }
 
-   if (IS_GEN7(intelScreen->deviceID)) {
-      intelScreen->gen = 7;
-   } else if (IS_GEN6(intelScreen->deviceID)) {
-      intelScreen->gen = 6;
-   } else if (IS_GEN5(intelScreen->deviceID)) {
-      intelScreen->gen = 5;
-   } else if (IS_965(intelScreen->deviceID)) {
-      intelScreen->gen = 4;
-   } else if (IS_9XX(intelScreen->deviceID)) {
-      intelScreen->gen = 3;
-   } else {
-      intelScreen->gen = 2;
+   for (i = 0; i < Elements(chipset_map); i++)
+      if (chipset_map[i].device_id == intelScreen->deviceID)
+	 intelScreen->gen = chipset_map[i].chipset->gen; 
+   if (intelScreen->gen == 0) {
+      fprintf(stderr, "\nERROR!  Unrecognized chipset:: 0x%04x\n",
+	      intelScreen->deviceID);
+      return GL_FALSE;
    }
 
    api_mask = (1 << __DRI_API_OPENGL);
-- 
1.7.4.4