r300g: fix texturing with negative lod bias

[mesa.git] / src / gallium / drivers / llvmpipe / lp_screen.c

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 226f7a145e2555091c9f3776813c1dc1d31447ac..edcab0f8d95573298d480bbefdfd9a7846c4640a 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -34,6 +34,7 @@
 #include "pipe/p_defines.h"
 #include "pipe/p_screen.h"
 
+#include "gallivm/lp_bld_limits.h"
 #include "lp_texture.h"
 #include "lp_fence.h"
 #include "lp_jit.h"
@@ -49,20 +50,17 @@
 int LP_DEBUG = 0;
 
 static const struct debug_named_value lp_debug_flags[] = {
-   { "pipe",   DEBUG_PIPE },
-   { "tgsi",   DEBUG_TGSI },
-   { "tex",    DEBUG_TEX },
-   { "asm",    DEBUG_ASM },
-   { "setup",  DEBUG_SETUP },
-   { "rast",   DEBUG_RAST },
-   { "query",  DEBUG_QUERY },
-   { "screen", DEBUG_SCREEN },
-   { "jit",    DEBUG_JIT },
-   { "show_tiles",    DEBUG_SHOW_TILES },
-   { "show_subtiles", DEBUG_SHOW_SUBTILES },
-   { "counters", DEBUG_COUNTERS },
-   { "nopt", DEBUG_NO_LLVM_OPT },
-   {NULL, 0}
+   { "pipe",   DEBUG_PIPE, NULL },
+   { "tgsi",   DEBUG_TGSI, NULL },
+   { "tex",    DEBUG_TEX, NULL },
+   { "setup",  DEBUG_SETUP, NULL },
+   { "rast",   DEBUG_RAST, NULL },
+   { "query",  DEBUG_QUERY, NULL },
+   { "screen", DEBUG_SCREEN, NULL },
+   { "show_tiles",    DEBUG_SHOW_TILES, NULL },
+   { "show_subtiles", DEBUG_SHOW_SUBTILES, NULL },
+   { "counters", DEBUG_COUNTERS, NULL },
+   DEBUG_NAMED_VALUE_END
 };
 #endif
 
@@ -88,7 +86,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
       return PIPE_MAX_SAMPLERS;
    case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
-      return 0;
+      return PIPE_MAX_VERTEX_SAMPLERS;
    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
       return PIPE_MAX_SAMPLERS + PIPE_MAX_VERTEX_SAMPLERS;
    case PIPE_CAP_NPOT_TEXTURES:
@@ -107,12 +105,16 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
       return PIPE_MAX_COLOR_BUFS;
    case PIPE_CAP_OCCLUSION_QUERY:
       return 1;
+   case PIPE_CAP_TIMER_QUERY:
+      return 0;
    case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
       return 1;
    case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
       return 1;
    case PIPE_CAP_TEXTURE_SHADOW_MAP:
       return 1;
+   case PIPE_CAP_TEXTURE_SWIZZLE:
+      return 1;
    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
       return LP_MAX_TEXTURE_2D_LEVELS;
    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
@@ -133,7 +135,41 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
    case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
       return 0;
+   case PIPE_CAP_MAX_VS_INSTRUCTIONS:
+   case PIPE_CAP_MAX_FS_INSTRUCTIONS:
+   case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS:
+   case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS:
+   case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS:
+   case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS:
+   case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS:
+   case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS:
+      /* There is no limit in number of instructions beyond available memory */
+      return 32768;
+   case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH:
+   case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH:
+      return LP_MAX_TGSI_NESTING;
+   case PIPE_CAP_MAX_VS_INPUTS:
+   case PIPE_CAP_MAX_FS_INPUTS:
+      return PIPE_MAX_ATTRIBS;
+   case PIPE_CAP_MAX_FS_CONSTS:
+   case PIPE_CAP_MAX_VS_CONSTS:
+      /* There is no limit in number of constants beyond available memory */
+      return 32768;
+   case PIPE_CAP_MAX_VS_TEMPS:
+   case PIPE_CAP_MAX_FS_TEMPS:
+      return LP_MAX_TGSI_TEMPS;
+   case PIPE_CAP_MAX_VS_ADDRS:
+   case PIPE_CAP_MAX_FS_ADDRS:
+      return LP_MAX_TGSI_ADDRS;
+   case PIPE_CAP_MAX_VS_PREDS:
+   case PIPE_CAP_MAX_FS_PREDS:
+      return LP_MAX_TGSI_PREDS;
+   case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
+      return 1;
+   case PIPE_CAP_GEOMETRY_SHADER4:
+      return 1;
    default:
+      assert(0);
       return 0;
    }
 }
@@ -155,7 +191,13 @@ llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
       return 16.0; /* not actually signficant at this time */
    case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
       return 16.0; /* arbitrary */
+   case PIPE_CAP_GUARD_BAND_LEFT:
+   case PIPE_CAP_GUARD_BAND_TOP:
+   case PIPE_CAP_GUARD_BAND_RIGHT:
+   case PIPE_CAP_GUARD_BAND_BOTTOM:
+      return 0.0;
    default:
+      assert(0);
       return 0;
    }
 }
@@ -168,8 +210,9 @@ llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
  */
 static boolean
 llvmpipe_is_format_supported( struct pipe_screen *_screen,
-                              enum pipe_format format, 
+                              enum pipe_format format,
                               enum pipe_texture_target target,
+                              unsigned sample_count,
                               unsigned bind,
                               unsigned geom_flags )
 {
@@ -181,11 +224,15 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
    if (!format_desc)
       return FALSE;
 
-   assert(target == PIPE_TEXTURE_1D ||
+   assert(target == PIPE_BUFFER ||
+          target == PIPE_TEXTURE_1D ||
           target == PIPE_TEXTURE_2D ||
           target == PIPE_TEXTURE_3D ||
           target == PIPE_TEXTURE_CUBE);
 
+   if (sample_count > 1)
+      return FALSE;
+
    if (bind & PIPE_BIND_RENDER_TARGET) {
       if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
          return FALSE;