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svga: add missing cases for PIPE_CAP_x queries

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Return 0 for features we don't support.  Added debug_printf()
warnings when we fail to handle a new PIPE_CAP_x case.  That will
alert us to interfaces changes in the future.  We don't want to
just ignore new PIPE_CAPs and possibly miss something important.

Reviewed-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
Brian Paul 2012-04-05 15:28:09 -06:00
parent d7707ef5a5
commit ecc480524b
1 changed files with 42 additions and 7 deletions
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49
src/gallium/drivers/svga/svga_screen.c
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@ -120,6 +120,7 @@ svga_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
return 15.0;
default:
debug_printf("Unexpected PIPE_CAPF_ query %u\n", param);
return 0;
}
}
@ -197,11 +198,6 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
return 1;
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
return 0;
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
return 0;
case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
return 1; /* The color outputs of vertex shaders are not clamped */
@ -210,7 +206,36 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
return 0; /* The driver can't clamp fragment colors */
/* Unsupported features */
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
case PIPE_CAP_SM3:
case PIPE_CAP_SHADER_STENCIL_EXPORT:
case PIPE_CAP_DEPTH_CLIP_DISABLE:
case PIPE_CAP_SEAMLESS_CUBE_MAP:
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
case PIPE_CAP_INDEP_BLEND_ENABLE:
case PIPE_CAP_INDEP_BLEND_FUNC:
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
case PIPE_CAP_PRIMITIVE_RESTART:
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
case PIPE_CAP_MIN_TEXEL_OFFSET:
case PIPE_CAP_MAX_TEXEL_OFFSET:
case PIPE_CAP_CONDITIONAL_RENDER:
case PIPE_CAP_TEXTURE_BARRIER:
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
case PIPE_CAP_GLSL_FEATURE_LEVEL:
return 0;
default:
debug_printf("Unexpected PIPE_CAP_ query %u\n", param);
return 0;
}
}
@ -266,6 +291,9 @@ static int svga_get_shader_param(struct pipe_screen *screen, unsigned shader, en
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
return 16;
default:
debug_printf("Unexpected vertex shader query %u\n", param);
return 0;
}
break;
case PIPE_SHADER_VERTEX:
@ -309,12 +337,19 @@ static int svga_get_shader_param(struct pipe_screen *screen, unsigned shader, en
return 0;
case PIPE_SHADER_CAP_INTEGERS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
return 0;
default:
break;
debug_printf("Unexpected vertex shader query %u\n", param);
return 0;
}
break;
case PIPE_SHADER_GEOMETRY:
/* no support for geometry shaders at this time */
return 0;
default:
break;
debug_printf("Unexpected vertex shader query %u\n", param);
return 0;
}
return 0;
}