Win32: report actual color bits and correct PFD count

X11: request alpha bits for >=24 bit color profiles
Renderers: use glConfig.stencilBits instead of dereferencing \r_stencilbits cvar
Vulkan: increase MAX_IMAGE_CHUNKS from 48 to 56

code/client/cl_main.c

@@ -3822,7 +3822,7 @@ static void CL_InitGLimp_Cvars( void )
 	// shared with renderer:
 	cl_stencilbits = Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE_ND | CVAR_LATCH );
 	Cvar_CheckRange( cl_stencilbits, "0", "8", CV_INTEGER );
-	Cvar_SetDescription( cl_stencilbits, "Stencil buffer size, value decreases Z-buffer depth." );
+	Cvar_SetDescription( cl_stencilbits, "Stencil buffer size, required to be 8 for stencil shadows." );
 	cl_depthbits = Cvar_Get( "r_depthbits", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
 	Cvar_CheckRange( cl_depthbits, "0", "32", CV_INTEGER );
 	Cvar_SetDescription( cl_depthbits, "Sets precision of Z-buffer." );

code/qcommon/cmd.c

@@ -255,6 +255,8 @@ void Cbuf_Execute( void )
 {
 	char line[MAX_CMD_LINE], *text;
 	int i, n, quotes;
+	qboolean in_star_comment;
+	qboolean in_slash_comment;
 
 	if ( cmd_wait > 0 ) {
 		// delay command buffer execution
@@ -265,8 +267,8 @@ void Cbuf_Execute( void )
 	// This will keep // style comments all on one line by not breaking on
 	// a semicolon.  It will keep /* ... */ style comments all on one line by not
 	// breaking it for semicolon or newline.
-	qboolean in_star_comment = qfalse;
-	qboolean in_slash_comment = qfalse;
+	in_star_comment = qfalse;
+	in_slash_comment = qfalse;
 
 	while ( cmd_text.cursize > 0 )
 	{

code/renderer/tr_arb.c

@@ -1110,7 +1110,7 @@ void FBO_Clean( frameBuffer_t *fb )
 					fb->depthStencil = 0;
 				}
 #else
-				if ( r_stencilbits->integer == 0 )
+				if ( glConfig.stencilBits == 0 )
 					qglFramebufferTexture2D( GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, 0, 0 );
 				else
 					qglFramebufferTexture2D( GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, 0, 0 );
@@ -1165,7 +1165,7 @@ static GLuint FBO_CreateDepthTextureOrBuffer( GLsizei width, GLsizei height )
 	GLuint buffer;
 	qglGenRenderbuffers( 1, &buffer );
 	qglBindRenderbuffer( GL_RENDERBUFFER, buffer );
-	if ( r_stencilbits->integer == 0 )
+	if ( glConfig.stencilBits == 0 )
 		qglRenderbufferStorage( GL_RENDERBUFFER, GL_DEPTH_COMPONENT32, width, height );
 	else
 		qglRenderbufferStorage( GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, width, height );
@@ -1176,7 +1176,7 @@ static GLuint FBO_CreateDepthTextureOrBuffer( GLsizei width, GLsizei height )
 	GL_BindTexture( 0, tex );
 	qglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
 	qglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
-	if ( r_stencilbits->integer == 0 )
+	if ( glConfig.stencilBits == 0 )
 		qglTexImage2D( GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, width, height, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL );
 	else
 		qglTexImage2D( GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, width, height, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL );
@@ -1336,12 +1336,12 @@ static qboolean FBO_Create( frameBuffer_t *fb, GLsizei width, GLsizei height, qb
 		fb->depthStencil = FBO_CreateDepthTextureOrBuffer( width, height );
 #endif
 #ifdef DEPTH_RENDER_BUFFER
-		if ( r_stencilbits->integer == 0 )
+		if ( glConfig.stencilBits == 0 )
 			qglFramebufferRenderbuffer( GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, fb->depthStencil );
 		else
 			qglFramebufferRenderbuffer( GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, fb->depthStencil );
 #else
-		if ( r_stencilbits->integer == 0 )
+		if ( glConfig.stencilBits == 0 )
 			qglFramebufferTexture2D( GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, fb->depthStencil, 0 );
 		else
 			qglFramebufferTexture2D( GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, fb->depthStencil, 0 );
@@ -1413,7 +1413,7 @@ static qboolean FBO_CreateMS( frameBuffer_t *fb, int width, int height )
 
 	qglGenRenderbuffers( 1, &fb->depthStencil );
 	qglBindRenderbuffer( GL_RENDERBUFFER, fb->depthStencil );
-	if ( r_stencilbits->integer == 0 )
+	if ( glConfig.stencilBits == 0 )
 		qglRenderbufferStorageMultisample( GL_RENDERBUFFER, nSamples, GL_DEPTH_COMPONENT32, width, height );
 	else
 		qglRenderbufferStorageMultisample( GL_RENDERBUFFER, nSamples, GL_DEPTH24_STENCIL8, width, height );
@@ -1424,7 +1424,7 @@ static qboolean FBO_CreateMS( frameBuffer_t *fb, int width, int height )
 		return qfalse;
 	}
 
-	if ( r_stencilbits->integer == 0 )
+	if ( glConfig.stencilBits == 0 )
 		qglFramebufferRenderbuffer( GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, fb->depthStencil );
 	else
 		qglFramebufferRenderbuffer( GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, fb->depthStencil );

code/renderer/tr_common.h

@@ -70,7 +70,7 @@ extern int       gl_version;
 //
 // cvars
 //
-extern cvar_t *r_stencilbits;			// number of desired stencil bits
+//extern cvar_t *r_stencilbits;			// number of desired stencil bits
 extern cvar_t *r_texturebits;			// number of desired texture bits
 										// 0 = use framebuffer depth
 										// 16 = use 16-bit textures

code/renderer/tr_image.c

@@ -46,11 +46,11 @@ return a hash value for the filename
 */
 void R_GammaCorrect( byte *buffer, int bufSize ) {
 	int i;
-#ifdef USE_FBO
+#ifdef USE_FBO
 	if ( fboEnabled ) {
 		return;
 	}
-#endif
+#endif
 	if ( !gls.deviceSupportsGamma ) {
 		return;
 	}
@@ -304,11 +304,11 @@ static void R_LightScaleTexture( byte *in, int inwidth, int inheight, qboolean o
 
 	if ( only_gamma )
 	{
-#ifdef USE_FBO
+#ifdef USE_FBO
 		if ( !glConfig.deviceSupportsGamma && !fboEnabled )
-#else
-		if ( !glConfig.deviceSupportsGamma )
-#endif
+#else
+		if ( !glConfig.deviceSupportsGamma )
+#endif
 		{
 			int		i, c;
 			byte	*p;
@@ -333,10 +333,10 @@ static void R_LightScaleTexture( byte *in, int inwidth, int inheight, qboolean o
 
 		c = inwidth*inheight;
 
-#ifdef USE_FBO
-		if ( glConfig.deviceSupportsGamma || fboEnabled )
-#else
-		if ( glConfig.deviceSupportsGamma )
+#ifdef USE_FBO
+		if ( glConfig.deviceSupportsGamma || fboEnabled )
+#else
+		if ( glConfig.deviceSupportsGamma )
 #endif
 		{
 			for (i=0 ; i<c ; i++, p+=4)
@@ -1376,11 +1376,11 @@ void R_SetColorMappings( void ) {
 	tr.overbrightBits = abs( r_overBrightBits->integer );
 
 	// never overbright in windowed mode
-#ifdef USE_FBO
+#ifdef USE_FBO
 	if ( !glConfig.isFullscreen && r_overBrightBits->integer >= 0 && !fboEnabled ) {
-#else
+#else
 	if ( !glConfig.isFullscreen && r_overBrightBits->integer >= 0 ) {
-#endif
+#endif
 		tr.overbrightBits = 0;
 		applyGamma = qfalse;
 	} else {
@@ -1442,11 +1442,11 @@ void R_SetColorMappings( void ) {
 	}
 
 	if ( gls.deviceSupportsGamma ) {
-#ifdef USE_FBO
+#ifdef USE_FBO
 		if ( fboEnabled )
 			ri.GLimp_SetGamma( s_gammatable_linear, s_gammatable_linear, s_gammatable_linear );
 		else
-#endif
+#endif
 		{
 			if ( applyGamma ) {
 				ri.GLimp_SetGamma( s_gammatable, s_gammatable, s_gammatable );

code/renderer/tr_init.c

@@ -124,7 +124,7 @@ cvar_t	*r_ext_max_anisotropy;
 
 cvar_t	*r_ignoreGLErrors;
 
-cvar_t	*r_stencilbits;
+//cvar_t	*r_stencilbits;
 cvar_t	*r_texturebits;
 
 #ifdef USE_FBO
@@ -1759,8 +1759,7 @@ static void R_Register( void )
 	ri.Cvar_CheckRange( r_ext_max_anisotropy, "1", NULL, CV_INTEGER );
 	ri.Cvar_SetDescription( r_ext_max_anisotropy, "Sets maximum anisotropic level for your graphics driver. Requires \\r_ext_texture_filter_anisotropic." );
 
-	r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE_ND | CVAR_LATCH );
-	ri.Cvar_SetDescription( r_stencilbits, "Stencil buffer size, value decreases Z-buffer depth." );
+	//r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE_ND | CVAR_LATCH );
 	r_ignorehwgamma = ri.Cvar_Get( "r_ignorehwgamma", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
 	ri.Cvar_CheckRange( r_ignorehwgamma, "0", "1", CV_INTEGER );
 	ri.Cvar_SetDescription( r_ignorehwgamma, "Overrides hardware gamma capabilities." );

code/renderer2/tr_init.c

@@ -157,7 +157,7 @@ cvar_t  *r_ignoreDstAlpha;
 cvar_t	*r_ignoreGLErrors;
 cvar_t	*r_logFile;
 
-cvar_t	*r_stencilbits;
+//cvar_t	*r_stencilbits;
 cvar_t	*r_texturebits;
 cvar_t  *r_ext_multisample;
 
@@ -1140,8 +1140,7 @@ static void R_Register( void )
 	ri.Cvar_SetDescription( r_detailTextures, "Enables usage of shader stages flagged as detail." );
 	r_texturebits = ri.Cvar_Get( "r_texturebits", "0", CVAR_ARCHIVE | CVAR_LATCH );
 	ri.Cvar_SetDescription( r_texturebits, "Number of texture bits per texture." );
-	r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE | CVAR_LATCH );
-	ri.Cvar_SetDescription( r_stencilbits, "Stencil buffer size, value decreases Z-buffer depth." );
+//	r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE | CVAR_LATCH );
 	r_ext_multisample = ri.Cvar_Get( "r_ext_multisample", "0", CVAR_ARCHIVE | CVAR_LATCH );
 	ri.Cvar_CheckRange( r_ext_multisample, "0", "8", CV_INTEGER );
 	ri.Cvar_SetDescription( r_ext_multisample, "For anti-aliasing geometry edges." );

code/renderervk/tr_common.h

@@ -71,7 +71,7 @@ extern int       maxAnisotropy;
 //
 // cvars
 //
-extern cvar_t *r_stencilbits;			// number of desired stencil bits
+//extern cvar_t *r_stencilbits;			// number of desired stencil bits
 extern cvar_t *r_texturebits;			// number of desired texture bits
 										// 0 = use framebuffer depth
 										// 16 = use 16-bit textures

code/renderervk/tr_init.c

@@ -121,7 +121,7 @@ cvar_t	*r_ext_max_anisotropy;
 
 cvar_t	*r_ignoreGLErrors;
 
-cvar_t	*r_stencilbits;
+//cvar_t	*r_stencilbits;
 cvar_t	*r_texturebits;
 cvar_t	*r_ext_multisample;
 cvar_t	*r_ext_alpha_to_coverage;
@@ -1762,10 +1762,7 @@ static void R_Register( void )
 	ri.Cvar_CheckRange( r_ext_max_anisotropy, "1", NULL, CV_INTEGER );
 	ri.Cvar_SetDescription( r_ext_max_anisotropy, "Sets maximum anisotropic level for your graphics driver. Requires \\r_ext_texture_filter_anisotropic." );
 
-	r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE_ND | CVAR_LATCH );
-	ri.Cvar_CheckRange( r_stencilbits, "0", "8", CV_INTEGER );
-	ri.Cvar_SetDescription( r_stencilbits, "Stencil buffer size, value decreases Z-buffer depth." );
-
+	//r_stencilbits = ri.Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE_ND | CVAR_LATCH );
 	r_ignorehwgamma = ri.Cvar_Get( "r_ignorehwgamma", "0", CVAR_ARCHIVE_ND | CVAR_LATCH );
 	ri.Cvar_CheckRange( r_ignorehwgamma, "0", "1", CV_INTEGER );
 	ri.Cvar_SetDescription( r_ignorehwgamma, "Overrides hardware gamma capabilities." );

code/renderervk/vk.c

@@ -677,10 +677,10 @@ static void vk_create_render_passes( void )
 	attachments[1].format = depth_format;
 	attachments[1].samples = vkSamples;
 	attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; // Need empty depth buffer before use
-	attachments[1].stencilLoadOp = r_stencilbits->integer ? VK_ATTACHMENT_LOAD_OP_CLEAR : VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+	attachments[1].stencilLoadOp = glConfig.stencilBits ? VK_ATTACHMENT_LOAD_OP_CLEAR : VK_ATTACHMENT_LOAD_OP_DONT_CARE;
 	if ( r_bloom->integer ) {
 		attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE; // keep it for post-bloom pass
-		attachments[1].stencilStoreOp = r_stencilbits->integer ? VK_ATTACHMENT_STORE_OP_STORE : VK_ATTACHMENT_STORE_OP_DONT_CARE;
+		attachments[1].stencilStoreOp = glConfig.stencilBits ? VK_ATTACHMENT_STORE_OP_STORE : VK_ATTACHMENT_STORE_OP_DONT_CARE;
 	} else {
 		attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
 		attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
@@ -1247,15 +1247,14 @@ static VkFormat get_depth_format( VkPhysicalDevice physical_device ) {
 	VkFormat formats[2];
 	int i;
 
-	if (r_stencilbits->integer > 0) {
+	if ( glConfig.stencilBits > 0 ) {
 		formats[0] = glConfig.depthBits == 16 ? VK_FORMAT_D16_UNORM_S8_UINT : VK_FORMAT_D24_UNORM_S8_UINT;
 		formats[1] = VK_FORMAT_D32_SFLOAT_S8_UINT;
-		glConfig.stencilBits = 8;
 	} else {
 		formats[0] = glConfig.depthBits == 16 ? VK_FORMAT_D16_UNORM : VK_FORMAT_X8_D24_UNORM_PACK32;
 		formats[1] = VK_FORMAT_D32_SFLOAT;
-		glConfig.stencilBits = 0;
 	}
+
 	for ( i = 0; i < ARRAY_LEN( formats ); i++ ) {
 		qvkGetPhysicalDeviceFormatProperties( physical_device, formats[i], &props );
 		if ( ( props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT ) != 0 ) {
@@ -3228,7 +3227,7 @@ static void create_depth_attachment( uint32_t width, uint32_t height, VkSampleCo
 	create_desc.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
 
 	image_aspect_flags = VK_IMAGE_ASPECT_DEPTH_BIT;
-	if ( r_stencilbits->integer )
+	if ( glConfig.stencilBits > 0 )
 		image_aspect_flags |= VK_IMAGE_ASPECT_STENCIL_BIT;
 
 	VK_CHECK( qvkCreateImage( vk.device, &create_desc, NULL, image ) );
@@ -6383,7 +6382,7 @@ void vk_clear_depth( qboolean clear_stencil ) {
 	attachment.clearValue.depthStencil.depth = 1.0f;
 #endif
 	attachment.clearValue.depthStencil.stencil = 0;
-	if ( clear_stencil && r_stencilbits->integer ) {
+	if ( clear_stencil && glConfig.stencilBits > 0 ) {
 		attachment.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
 	} else {
 		attachment.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;

code/renderervk/vk.h

@@ -14,7 +14,7 @@
 
 #define VERTEX_BUFFER_SIZE (4 * 1024 * 1024)
 #define IMAGE_CHUNK_SIZE (32 * 1024 * 1024)
-#define MAX_IMAGE_CHUNKS 48
+#define MAX_IMAGE_CHUNKS 56
 
 #define NUM_COMMAND_BUFFERS 2	// number of command buffers / render semaphores / framebuffer sets
 

code/sdl/sdl_glimp.c

@@ -348,17 +348,11 @@ static int GLW_SetMode( int mode, const char *modeFS, qboolean fullscreen, qbool
 		{ // reduce depthBits
 			if (testDepthBits == 24)
 				testDepthBits = 16;
-			else if (testDepthBits == 16)
-				testDepthBits = 8;
 		}
 
 		if ((i % 4) == 1)
 		{ // reduce stencilBits
-			if (testStencilBits == 24)
-				testStencilBits = 16;
-			else if (testStencilBits == 16)
-				testStencilBits = 8;
-			else
+			if (testStencilBits == 8)
 				testStencilBits = 0;
 		}