dri: Allow selective generation of accum. buffer configs

Modify the interface to driCreateConfigs allowing drivers to not
expose configs with an accumuation buffer.  All of the drivers calling
function have been updated to pass true for the accumulation
selector.  This maintains the current behavior.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Corbin Simpson <MostAwesomeDude@gmail.com>

16 files changed, 32 insertions, 22 deletions

diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index 2052867309c..4064976b234 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -157,7 +157,8 @@ dri_fill_in_modes(struct dri_screen *screen,
 				 depth_bits_array, stencil_bits_array,
 				 depth_buffer_factor, back_buffer_modes,
 				 back_buffer_factor,
-				 msaa_samples_array, msaa_samples_factor);
+				 msaa_samples_array, msaa_samples_factor,
+				 GL_TRUE);
    } else {
       __DRIconfig **configs_a8r8g8b8 = NULL;
       __DRIconfig **configs_x8r8g8b8 = NULL;
@@ -170,7 +171,8 @@ dri_fill_in_modes(struct dri_screen *screen,
 					     back_buffer_modes,
 					     back_buffer_factor,
 					     msaa_samples_array,
-                                             msaa_samples_factor);
+                                             msaa_samples_factor,
+					     GL_TRUE);
       if (pf_x8r8g8b8)
 	 configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
 					     depth_bits_array,
@@ -179,7 +181,8 @@ dri_fill_in_modes(struct dri_screen *screen,
 					     back_buffer_modes,
 					     back_buffer_factor,
 					     msaa_samples_array,
-                                             msaa_samples_factor);
+                                             msaa_samples_factor,
+					     GL_TRUE);
 
       if (configs_a8r8g8b8 && configs_x8r8g8b8)
 	 configs = driConcatConfigs(configs_x8r8g8b8, configs_a8r8g8b8);
diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c
index 81d026a697c..833f9ad232a 100644
--- a/src/mesa/drivers/dri/common/utils.c
+++ b/src/mesa/drivers/dri/common/utils.c
@@ -424,7 +424,8 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
 		 const uint8_t * depth_bits, const uint8_t * stencil_bits,
 		 unsigned num_depth_stencil_bits,
 		 const GLenum * db_modes, unsigned num_db_modes,
-		 const uint8_t * msaa_samples, unsigned num_msaa_modes)
+		 const uint8_t * msaa_samples, unsigned num_msaa_modes,
+		 GLboolean enable_accum)
 {
    static const uint8_t bits_table[4][4] = {
      /* R  G  B  A */
@@ -486,7 +487,7 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
    __GLcontextModes *modes;
    unsigned i, j, k, h;
    unsigned num_modes;
-   unsigned num_accum_bits = 2;
+   unsigned num_accum_bits = (enable_accum) ? 2 : 1;
 
    switch ( fb_type ) {
       case GL_UNSIGNED_BYTE_3_3_2:
diff --git a/src/mesa/drivers/dri/common/utils.h b/src/mesa/drivers/dri/common/utils.h
index 2aa6de66c18..02ca3feb739 100644
--- a/src/mesa/drivers/dri/common/utils.h
+++ b/src/mesa/drivers/dri/common/utils.h
@@ -104,7 +104,8 @@ driCreateConfigs(GLenum fb_format, GLenum fb_type,
 		 const uint8_t * depth_bits, const uint8_t * stencil_bits,
 		 unsigned num_depth_stencil_bits,
 		 const GLenum * db_modes, unsigned num_db_modes,
-    		 const uint8_t * msaa_samples, unsigned num_msaa_modes);
+		 const uint8_t * msaa_samples, unsigned num_msaa_modes,
+		 GLboolean enable_accum);
 
 __DRIconfig **driConcatConfigs(__DRIconfig **a,
 			       __DRIconfig **b);
diff --git a/src/mesa/drivers/dri/ffb/ffb_xmesa.c b/src/mesa/drivers/dri/ffb/ffb_xmesa.c
index 6a846514795..7fdf883cdf4 100644
--- a/src/mesa/drivers/dri/ffb/ffb_xmesa.c
+++ b/src/mesa/drivers/dri/ffb/ffb_xmesa.c
@@ -658,7 +658,7 @@ ffbFillInModes( __DRIscreen *psp,
 			      depth_bits_array, stencil_bits_array,
 			      depth_buffer_factor, back_buffer_modes,
 			      back_buffer_factor,
-                               msaa_samples_array, 1);
+			      msaa_samples_array, 1, TRUE);
    if (configs == NULL) {
       fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
               __LINE__);
diff --git a/src/mesa/drivers/dri/i810/i810screen.c b/src/mesa/drivers/dri/i810/i810screen.c
index 476c8013580..825a1b5fbe4 100644
--- a/src/mesa/drivers/dri/i810/i810screen.c
+++ b/src/mesa/drivers/dri/i810/i810screen.c
@@ -92,7 +92,7 @@ i810FillInModes( __DRIscreen *psp,
 			       depth_bits_array, stencil_bits_array,
 			       depth_buffer_factor,
 			       back_buffer_modes, back_buffer_factor,
-                               msaa_samples_array, 1);
+                               msaa_samples_array, 1, TRUE);
     if (configs == NULL) {
 	fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
 		 __func__, __LINE__ );
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index b308ae19104..8344b82f181 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -413,7 +413,8 @@ __DRIconfig **intelInitScreen2(__DRIscreen *psp)
 				     back_buffer_modes,
 				     ARRAY_SIZE(back_buffer_modes),
 				     msaa_samples_array,
-				     ARRAY_SIZE(msaa_samples_array));
+				     ARRAY_SIZE(msaa_samples_array),
+				     GL_TRUE);
       if (configs == NULL)
 	 configs = new_configs;
       else
diff --git a/src/mesa/drivers/dri/mach64/mach64_screen.c b/src/mesa/drivers/dri/mach64/mach64_screen.c
index 5cbfb85627a..99aad574c8d 100644
--- a/src/mesa/drivers/dri/mach64/mach64_screen.c
+++ b/src/mesa/drivers/dri/mach64/mach64_screen.c
@@ -119,7 +119,7 @@ mach64FillInModes( __DRIscreen *psp,
 			       depth_bits_array, stencil_bits_array,
 			       depth_buffer_factor, back_buffer_modes,
 			       back_buffer_factor,
-                               msaa_samples_array, 1);
+                               msaa_samples_array, 1, TRUE);
     if (configs == NULL) {
        fprintf(stderr, "[%s:%u] Error creating FBConfig!\n",
 	       __func__, __LINE__);
diff --git a/src/mesa/drivers/dri/mga/mga_xmesa.c b/src/mesa/drivers/dri/mga/mga_xmesa.c
index e7813b63725..a0a65cb4512 100644
--- a/src/mesa/drivers/dri/mga/mga_xmesa.c
+++ b/src/mesa/drivers/dri/mga/mga_xmesa.c
@@ -160,7 +160,7 @@ mgaFillInModes( __DRIscreen *psp,
 			       depth_bits_array, stencil_bits_array,
 			       depth_buffer_factor,
 			       back_buffer_modes, back_buffer_factor,
-                               msaa_samples_array, 1);
+                               msaa_samples_array, 1, TRUE);
     if (configs == NULL) {
 	fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
 		 __func__, __LINE__ );
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_screen.c b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
index de6328251ea..6abab8c9656 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_screen.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
@@ -83,7 +83,8 @@ nouveau_get_configs(void)
 					  back_buffer_modes,
 					  Elements(back_buffer_modes),
 					  msaa_samples,
-					  Elements(msaa_samples));
+					  Elements(msaa_samples),
+					  GL_TRUE);
 		assert(config);
 
 		configs = configs ? driConcatConfigs(configs, config)
diff --git a/src/mesa/drivers/dri/r128/r128_screen.c b/src/mesa/drivers/dri/r128/r128_screen.c
index ef6b5a35c4a..afc44d46508 100644
--- a/src/mesa/drivers/dri/r128/r128_screen.c
+++ b/src/mesa/drivers/dri/r128/r128_screen.c
@@ -449,7 +449,7 @@ r128FillInModes( __DRIscreen *psp,
                                depth_bits_array, stencil_bits_array,
                                depth_buffer_factor, back_buffer_modes,
                                back_buffer_factor,
-                               msaa_samples_array, 1);
+                               msaa_samples_array, 1, TRUE);
     if (configs == NULL) {
         fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
                 __LINE__);
diff --git a/src/mesa/drivers/dri/radeon/radeon_screen.c b/src/mesa/drivers/dri/radeon/radeon_screen.c
index 93b6399a669..7d5cdb5843f 100644
--- a/src/mesa/drivers/dri/radeon/radeon_screen.c
+++ b/src/mesa/drivers/dri/radeon/radeon_screen.c
@@ -293,18 +293,18 @@ radeonFillInModes( __DRIscreen *psp,
 					  depth_bits_array, stencil_bits_array,
 					  depth_buffer_factor, back_buffer_modes,
 					  back_buffer_factor, msaa_samples_array,
-					  1);
+					  1, TRUE);
 	configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
 					    depth_bits_array, stencil_bits_array,
 					    1, back_buffer_modes, 1,
-					    msaa_samples_array, 1);
+					    msaa_samples_array, 1, TRUE);
 	configs = driConcatConfigs(configs_r5g6b5, configs_a8r8g8b8);
    } else
 	configs = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
 				   depth_bits_array, stencil_bits_array,
 				   depth_buffer_factor,
 				   back_buffer_modes, back_buffer_factor,
-				   msaa_samples_array, 1);
+				   msaa_samples_array, 1, TRUE);
 
     if (configs == NULL) {
 	fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
@@ -1676,7 +1676,8 @@ __DRIconfig **radeonInitScreen2(__DRIscreen *psp)
 				     back_buffer_modes,
 				     ARRAY_SIZE(back_buffer_modes),
 				     msaa_samples_array,
-				     ARRAY_SIZE(msaa_samples_array));
+				     ARRAY_SIZE(msaa_samples_array),
+				     GL_TRUE);
       if (configs == NULL)
 	 configs = new_configs;
       else
diff --git a/src/mesa/drivers/dri/savage/savage_xmesa.c b/src/mesa/drivers/dri/savage/savage_xmesa.c
index 8e879ca41c0..788c49fdbe8 100644
--- a/src/mesa/drivers/dri/savage/savage_xmesa.c
+++ b/src/mesa/drivers/dri/savage/savage_xmesa.c
@@ -939,7 +939,7 @@ savageFillInModes( __DRIscreen *psp,
 			       depth_bits_array, stencil_bits_array,
 			       depth_buffer_factor,
 			       back_buffer_modes, back_buffer_factor,
-                               msaa_samples_array, 1);
+                               msaa_samples_array, 1, TRUE);
     if (configs == NULL) {
 	fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
 		 __func__, __LINE__ );
diff --git a/src/mesa/drivers/dri/sis/sis_screen.c b/src/mesa/drivers/dri/sis/sis_screen.c
index cb7ed8a08bb..0b985417322 100644
--- a/src/mesa/drivers/dri/sis/sis_screen.c
+++ b/src/mesa/drivers/dri/sis/sis_screen.c
@@ -103,7 +103,7 @@ sisFillInModes(__DRIscreen *psp, int bpp)
    configs = driCreateConfigs(fb_format, fb_type, depth_bits_array,
 			      stencil_bits_array, depth_buffer_factor,
 			      back_buffer_modes, back_buffer_factor,
-                              msaa_samples_array, 1);
+                              msaa_samples_array, 1, TRUE);
    if (configs == NULL) {
       fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, __LINE__);
       return NULL;
diff --git a/src/mesa/drivers/dri/swrast/swrast.c b/src/mesa/drivers/dri/swrast/swrast.c
index 4e823669bfc..40535b03b95 100644
--- a/src/mesa/drivers/dri/swrast/swrast.c
+++ b/src/mesa/drivers/dri/swrast/swrast.c
@@ -132,7 +132,8 @@ swrastFillInModes(__DRIscreen *psp,
     configs = driCreateConfigs(fb_format, fb_type,
 			       depth_bits_array, stencil_bits_array,
 			       depth_buffer_factor, back_buffer_modes,
-			       back_buffer_factor, msaa_samples_array, 1);
+			       back_buffer_factor, msaa_samples_array, 1,
+			       GL_TRUE);
     if (configs == NULL) {
 	fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
 		__LINE__);
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_screen.c b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
index 9f6b35faa28..d554bcdc92c 100644
--- a/src/mesa/drivers/dri/tdfx/tdfx_screen.c
+++ b/src/mesa/drivers/dri/tdfx/tdfx_screen.c
@@ -383,7 +383,8 @@ tdfxFillInModes(__DRIscreen *psp,
 			    stencil_bits_array,
 			    deep ? 2 : 4,
 			    db_modes, 2,
-			    msaa_samples_array, 1);
+			    msaa_samples_array, 1,
+			    GL_TRUE);
 }
 
 /**
diff --git a/src/mesa/drivers/dri/unichrome/via_screen.c b/src/mesa/drivers/dri/unichrome/via_screen.c
index 8c91c937c68..55125018cc2 100644
--- a/src/mesa/drivers/dri/unichrome/via_screen.c
+++ b/src/mesa/drivers/dri/unichrome/via_screen.c
@@ -354,7 +354,7 @@ viaFillInModes( __DRIscreen *psp,
 			       depth_bits_array, stencil_bits_array,
 			       depth_buffer_factor, back_buffer_modes,
 			       back_buffer_factor,
-                               msaa_samples_array, 1);
+                               msaa_samples_array, 1, TRUE);
     if (configs == NULL) {
 	fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
 		__LINE__);