gallium: add PIPE_CAP_MIXED_FRAMEBUFFER_SIZES

This CAP will determine whether ARB_framebuffer_object can be enabled.
The nv30 driver does not allow mixing swizzled and linear zsbuf/cbuf
textures.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>

src/gallium/docs/source/screen.rst

@@ -173,6 +173,9 @@ The integer capabilities:
   viewport/scissor combination.  
 * ''PIPE_CAP_ENDIANNESS``:: The endianness of the device.  Either
   PIPE_ENDIAN_BIG or PIPE_ENDIAN_LITTLE.
+* ``PIPE_CAP_MIXED_FRAMEBUFFER_SIZES``: Whether it is allowed to have
+  different sizes for fb color/zs attachments. This controls whether
+  ARB_framebuffer_object is provided.
 
 
 .. _pipe_capf:

src/gallium/drivers/freedreno/freedreno_screen.c

@@ -140,6 +140,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 	switch (param) {
 	/* Supported features (boolean caps). */
 	case PIPE_CAP_NPOT_TEXTURES:
+	case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 	case PIPE_CAP_TWO_SIDED_STENCIL:
 	case PIPE_CAP_ANISOTROPIC_FILTER:
 	case PIPE_CAP_POINT_SPRITE:

src/gallium/drivers/i915/i915_screen.c

@@ -172,6 +172,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    /* Supported features (boolean caps). */
    case PIPE_CAP_ANISOTROPIC_FILTER:
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
    case PIPE_CAP_POINT_SPRITE:
    case PIPE_CAP_PRIMITIVE_RESTART: /* draw module */
    case PIPE_CAP_TEXTURE_SHADOW_MAP:

src/gallium/drivers/ilo/ilo_screen.c

@@ -286,6 +286,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
 
    switch (param) {
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
    case PIPE_CAP_TWO_SIDED_STENCIL:
       return true;
    case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:

src/gallium/drivers/llvmpipe/lp_screen.c

@@ -109,6 +109,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
       return 2 * PIPE_MAX_SAMPLERS;  /* VS + FS samplers */
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
       return 1;
    case PIPE_CAP_TWO_SIDED_STENCIL:
       return 1;

src/gallium/drivers/nouveau/nv30/nv30_screen.c

@@ -125,6 +125,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
    case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
       return 0;
    case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
    case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:

src/gallium/drivers/nouveau/nv50/nv50_screen.c

@@ -103,6 +103,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TEXTURE_SWIZZLE:
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
    case PIPE_CAP_ANISOTROPIC_FILTER:
    case PIPE_CAP_SCALED_RESOLVE:
    case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:

src/gallium/drivers/nouveau/nvc0/nvc0_screen.c

@@ -88,6 +88,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
    case PIPE_CAP_TEXTURE_SWIZZLE:
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
    case PIPE_CAP_ANISOTROPIC_FILTER:
    case PIPE_CAP_SEAMLESS_CUBE_MAP:
    case PIPE_CAP_CUBE_MAP_ARRAY:

src/gallium/drivers/r300/r300_screen.c

@@ -89,6 +89,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
     switch (param) {
         /* Supported features (boolean caps). */
         case PIPE_CAP_NPOT_TEXTURES:
+        case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
         case PIPE_CAP_TWO_SIDED_STENCIL:
         case PIPE_CAP_ANISOTROPIC_FILTER:
         case PIPE_CAP_POINT_SPRITE:

src/gallium/drivers/r600/r600_pipe.c

@@ -390,6 +390,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	switch (param) {
 	/* Supported features (boolean caps). */
 	case PIPE_CAP_NPOT_TEXTURES:
+	case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
 	case PIPE_CAP_TWO_SIDED_STENCIL:
 	case PIPE_CAP_ANISOTROPIC_FILTER:
 	case PIPE_CAP_POINT_SPRITE:

src/gallium/drivers/radeonsi/radeonsi_pipe.c

@@ -301,6 +301,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 	case PIPE_CAP_USER_CONSTANT_BUFFERS:
 	case PIPE_CAP_START_INSTANCE:
 	case PIPE_CAP_NPOT_TEXTURES:
+	case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
         case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
 	case PIPE_CAP_TGSI_INSTANCEID:
 	case PIPE_CAP_COMPUTE:

src/gallium/drivers/softpipe/sp_screen.c

@@ -69,6 +69,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
       return 2 * PIPE_MAX_SAMPLERS;  /* VS + FS */
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
       return 1;
    case PIPE_CAP_TWO_SIDED_STENCIL:
       return 1;

src/gallium/drivers/svga/svga_screen.c

@@ -141,6 +141,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
       return 16;
    case PIPE_CAP_NPOT_TEXTURES:
+   case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
       return 1;
    case PIPE_CAP_TWO_SIDED_STENCIL:
       return 1;

src/gallium/include/pipe/p_defines.h

@@ -512,7 +512,8 @@ enum pipe_cap {
    PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK = 82,
    PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE = 83,
    PIPE_CAP_MAX_VIEWPORTS = 84,
-   PIPE_CAP_ENDIANNESS = 85
+   PIPE_CAP_ENDIANNESS = 85,
+   PIPE_CAP_MIXED_FRAMEBUFFER_SIZES = 86
 };
 
 #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)