gallium: Fixups for driCreateConfigs MSAA support.

Add the MSAA samples array or make sure its contents are initialized.

src/mesa/drivers/dri/ffb/ffb_xmesa.c

@@ -642,6 +642,8 @@ ffbFillInModes( __DRIscreenPrivate *psp,
    stencil_bits_array[1] = 0;
    stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+   msaa_samples_array[0] = 0;
+
    depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
    back_buffer_factor  = (have_back_buffer) ? 3 : 1;
 

src/mesa/drivers/dri/i810/i810screen.c

@@ -89,6 +89,8 @@ i810FillInModes( __DRIscreenPrivate *psp,
     stencil_bits_array[0] = 0;
     stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+    msaa_samples_array[0] = 0;
+
     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 

src/mesa/drivers/dri/intel/intel_screen.c

@@ -495,6 +495,8 @@ intelFillInModes(__DRIscreenPrivate *psp,
 
    stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+   msaa_samples_array[0] = 0;
+
    depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
    back_buffer_factor = (have_back_buffer) ? 3 : 1;
 
@@ -733,6 +735,8 @@ __DRIconfig **intelInitScreen2(__DRIscreenPrivate *psp)
    depth_bits[3] = 24;
    stencil_bits[3] = 8;
 
+   msaa_samples_array[0] = 0;
+
    fb_format[0] = GL_RGB;
    fb_type[0] = GL_UNSIGNED_SHORT_5_6_5;
 

src/mesa/drivers/dri/mach64/mach64_screen.c

@@ -105,6 +105,8 @@ mach64FillInModes( __DRIscreenPrivate *psp,
     stencil_bits_array[0] = 0;
     stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+    msaa_samples_array[0] = 0;
+
     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 

src/mesa/drivers/dri/mga/mga_xmesa.c

@@ -144,6 +144,8 @@ mgaFillInModes( __DRIscreenPrivate *psp,
     stencil_bits_array[1] = 0;
     stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+    msaa_samples_array[0] = 0;
+
     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1;
     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 

src/mesa/drivers/dri/r128/r128_screen.c

@@ -434,6 +434,8 @@ r128FillInModes( __DRIscreenPrivate *psp,
     stencil_bits_array[0] = 0;
     stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+    msaa_samples_array[0] = 0;
+
     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 

src/mesa/drivers/dri/radeon/radeon_screen.c

@@ -288,6 +288,8 @@ radeonFillInModes( __DRIscreenPrivate *psp,
     stencil_bits_array[0] = 0;
     stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+    msaa_samples_array[0] = 0;
+
     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 

src/mesa/drivers/dri/savage/savage_xmesa.c

@@ -922,6 +922,8 @@ savageFillInModes( __DRIscreenPrivate *psp,
     stencil_bits_array[0] = 0;
     stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+    msaa_samples_array[0] = 0;
+
     depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
     back_buffer_factor  = (have_back_buffer) ? 2 : 1;
 

src/mesa/drivers/dri/sis/sis_screen.c

@@ -88,6 +88,8 @@ sisFillInModes(__DRIscreenPrivate *psp, int bpp)
    depth_bits_array[3] = 32;
    stencil_bits_array[3] = 0;
 
+   msaa_samples_array[0] = 0;
+
    depth_buffer_factor = 4;
    back_buffer_factor = 2;
 

src/mesa/drivers/dri/swrast/swrast.c

@@ -147,6 +147,7 @@ swrastFillInModes(__DRIscreen *psp,
 
     uint8_t depth_bits_array[4];
     uint8_t stencil_bits_array[4];
+    uint8_t msaa_samples_array[1];
 
     depth_bits_array[0] = 0;
     depth_bits_array[1] = 0;
@@ -161,6 +162,8 @@ swrastFillInModes(__DRIscreen *psp,
     stencil_bits_array[2] = 0;
     stencil_bits_array[3] = (stencil_bits == 0) ? 8 : stencil_bits;
 
+    msaa_samples_array[0] = 0;
+
     depth_buffer_factor = 4;
     back_buffer_factor = 2;
 
@@ -190,7 +193,7 @@ swrastFillInModes(__DRIscreen *psp,
     configs = driCreateConfigs(fb_format, fb_type,
 			       depth_bits_array, stencil_bits_array,
 			       depth_buffer_factor, back_buffer_modes,
-			       back_buffer_factor);
+			       back_buffer_factor, msaa_samples_array, 1);
     if (configs == NULL) {
 	fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
 		__LINE__);

src/mesa/drivers/dri/tdfx/tdfx_screen.c

@@ -378,6 +378,8 @@ tdfxFillInModes(__DRIscreenPrivate *psp,
 		stencil_bits_array[3] = 8;
 	}
 
+	msaa_samples_array[0] = 0;
+
 	return driCreateConfigs(
 		deep ? GL_RGBA : GL_RGB,
 		deep ? GL_UNSIGNED_INT_8_8_8_8 : GL_UNSIGNED_SHORT_5_6_5,

src/mesa/drivers/dri/unichrome/via_screen.c

@@ -342,7 +342,7 @@ viaFillInModes( __DRIscreenPrivate *psp,
      */
     static const uint8_t depth_bits_array[4]   = { 0, 16, 24, 32 };
     static const uint8_t stencil_bits_array[4] = { 0,  0,  8,  0 };
-    uint8_t msaa_samples_array[1];
+    uint8_t msaa_samples_array[1] = { 0 };
     const unsigned depth_buffer_factor = 3;
 
     if ( pixel_bits == 16 ) {