Attached is my proposal for fine grained caps for shader limits.

These don't cover which opcodes are supported, so PIPE_CAP_GLSL and
PIPE_CAP_SM3 remains. I think that PIPE_CAP_SM3 should be rename to
PIPE_CAP_SM, which shader model major/minor version encoded in a dword.
PIPE_CAP_GLSL could probably be derived from everything else. 

Jose
>From 1e309db0c1b9d229693da70f47df4149e81f5a2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Fonseca?= <jfons...@vmware.com>
Date: Tue, 11 May 2010 11:11:03 +0100
Subject: [PATCH 1/2] gallium: Make PIPE_CAP_xxx enums.

---
 src/gallium/drivers/cell/ppu/cell_screen.c |    4 +-
 src/gallium/drivers/i915/i915_screen.c     |    4 +-
 src/gallium/drivers/i965/brw_screen.c      |    4 +-
 src/gallium/drivers/identity/id_screen.c   |    4 +-
 src/gallium/drivers/llvmpipe/lp_screen.c   |    4 +-
 src/gallium/drivers/nv50/nv50_screen.c     |    4 +-
 src/gallium/drivers/nvfx/nvfx_screen.c     |    4 +-
 src/gallium/drivers/r300/r300_screen.c     |    4 +-
 src/gallium/drivers/softpipe/sp_screen.c   |    4 +-
 src/gallium/drivers/svga/svga_screen.c     |    4 +-
 src/gallium/drivers/trace/tr_screen.c      |    4 +-
 src/gallium/include/pipe/p_defines.h       |   85 +++++++++++++++-------------
 src/gallium/include/pipe/p_screen.h        |    4 +-
 13 files changed, 69 insertions(+), 64 deletions(-)

diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c
index b4fd8d7..5af4eaa 100644
--- a/src/gallium/drivers/cell/ppu/cell_screen.c
+++ b/src/gallium/drivers/cell/ppu/cell_screen.c
@@ -55,7 +55,7 @@ cell_get_name(struct pipe_screen *screen)
 
 
 static int
-cell_get_param(struct pipe_screen *screen, int param)
+cell_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
@@ -105,7 +105,7 @@ cell_get_param(struct pipe_screen *screen, int param)
 
 
 static float
-cell_get_paramf(struct pipe_screen *screen, int param)
+cell_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_LINE_WIDTH:
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 9086f9f..d196c77 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -90,7 +90,7 @@ i915_get_name(struct pipe_screen *screen)
 }
 
 static int
-i915_get_param(struct pipe_screen *screen, int param)
+i915_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
@@ -133,7 +133,7 @@ i915_get_param(struct pipe_screen *screen, int param)
 }
 
 static float
-i915_get_paramf(struct pipe_screen *screen, int param)
+i915_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_LINE_WIDTH:
diff --git a/src/gallium/drivers/i965/brw_screen.c b/src/gallium/drivers/i965/brw_screen.c
index 0a7151b..d242691 100644
--- a/src/gallium/drivers/i965/brw_screen.c
+++ b/src/gallium/drivers/i965/brw_screen.c
@@ -149,7 +149,7 @@ brw_get_name(struct pipe_screen *screen)
 }
 
 static int
-brw_get_param(struct pipe_screen *screen, int param)
+brw_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
@@ -192,7 +192,7 @@ brw_get_param(struct pipe_screen *screen, int param)
 }
 
 static float
-brw_get_paramf(struct pipe_screen *screen, int param)
+brw_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_LINE_WIDTH:
diff --git a/src/gallium/drivers/identity/id_screen.c b/src/gallium/drivers/identity/id_screen.c
index 7671bde..3c94e04 100644
--- a/src/gallium/drivers/identity/id_screen.c
+++ b/src/gallium/drivers/identity/id_screen.c
@@ -67,7 +67,7 @@ identity_screen_get_vendor(struct pipe_screen *_screen)
 
 static int
 identity_screen_get_param(struct pipe_screen *_screen,
-                          int param)
+                          enum pipe_cap param)
 {
    struct identity_screen *id_screen = identity_screen(_screen);
    struct pipe_screen *screen = id_screen->screen;
@@ -78,7 +78,7 @@ identity_screen_get_param(struct pipe_screen *_screen,
 
 static float
 identity_screen_get_paramf(struct pipe_screen *_screen,
-                           int param)
+                           enum pipe_cap param)
 {
    struct identity_screen *id_screen = identity_screen(_screen);
    struct pipe_screen *screen = id_screen->screen;
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 586afc8..1b4d21c 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -82,7 +82,7 @@ llvmpipe_get_name(struct pipe_screen *screen)
 
 
 static int
-llvmpipe_get_param(struct pipe_screen *screen, int param)
+llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
@@ -140,7 +140,7 @@ llvmpipe_get_param(struct pipe_screen *screen, int param)
 
 
 static float
-llvmpipe_get_paramf(struct pipe_screen *screen, int param)
+llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_LINE_WIDTH:
diff --git a/src/gallium/drivers/nv50/nv50_screen.c b/src/gallium/drivers/nv50/nv50_screen.c
index bf46ceb..ff3a7b2 100644
--- a/src/gallium/drivers/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nv50/nv50_screen.c
@@ -102,7 +102,7 @@ nv50_screen_is_format_supported(struct pipe_screen *pscreen,
 }
 
 static int
-nv50_screen_get_param(struct pipe_screen *pscreen, int param)
+nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 {
 	switch (param) {
 	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
@@ -157,7 +157,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, int param)
 }
 
 static float
-nv50_screen_get_paramf(struct pipe_screen *pscreen, int param)
+nv50_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_cap param)
 {
 	switch (param) {
 	case PIPE_CAP_MAX_LINE_WIDTH:
diff --git a/src/gallium/drivers/nvfx/nvfx_screen.c b/src/gallium/drivers/nvfx/nvfx_screen.c
index c70f254..0ff25e5 100644
--- a/src/gallium/drivers/nvfx/nvfx_screen.c
+++ b/src/gallium/drivers/nvfx/nvfx_screen.c
@@ -30,7 +30,7 @@ struct nouveau_winsys {
 #define NV6X_GRCLASS4497_CHIPSETS 0x00000088
 
 static int
-nvfx_screen_get_param(struct pipe_screen *pscreen, int param)
+nvfx_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 {
 	struct nvfx_screen *screen = nvfx_screen(pscreen);
 
@@ -91,7 +91,7 @@ nvfx_screen_get_param(struct pipe_screen *pscreen, int param)
 }
 
 static float
-nvfx_screen_get_paramf(struct pipe_screen *pscreen, int param)
+nvfx_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_cap param)
 {
 	struct nvfx_screen *screen = nvfx_screen(pscreen);
 
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index c039126..89982c8 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -76,7 +76,7 @@ static const char* r300_get_name(struct pipe_screen* pscreen)
     return chip_families[r300screen->caps.family];
 }
 
-static int r300_get_param(struct pipe_screen* pscreen, int param)
+static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 {
     struct r300_screen* r300screen = r300_screen(pscreen);
 
@@ -166,7 +166,7 @@ static int r300_get_param(struct pipe_screen* pscreen, int param)
     }
 }
 
-static float r300_get_paramf(struct pipe_screen* pscreen, int param)
+static float r300_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 {
     struct r300_screen* r300screen = r300_screen(pscreen);
 
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 8bb0294..88e5c11 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -56,7 +56,7 @@ softpipe_get_name(struct pipe_screen *screen)
 
 
 static int
-softpipe_get_param(struct pipe_screen *screen, int param)
+softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
@@ -117,7 +117,7 @@ softpipe_get_param(struct pipe_screen *screen, int param)
 
 
 static float
-softpipe_get_paramf(struct pipe_screen *screen, int param)
+softpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_LINE_WIDTH:
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index 27ac09e..580340b 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -84,7 +84,7 @@ svga_get_name( struct pipe_screen *pscreen )
 
 
 static float
-svga_get_paramf(struct pipe_screen *screen, int param)
+svga_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
 {
    struct svga_screen *svgascreen = svga_screen(screen);
    struct svga_winsys_screen *sws = svgascreen->sws;
@@ -186,7 +186,7 @@ svga_get_paramf(struct pipe_screen *screen, int param)
 /* This is a fairly pointless interface
  */
 static int
-svga_get_param(struct pipe_screen *screen, int param)
+svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
 {
    return (int) svga_get_paramf( screen, param );
 }
diff --git a/src/gallium/drivers/trace/tr_screen.c b/src/gallium/drivers/trace/tr_screen.c
index 63a45d7..4513bde 100644
--- a/src/gallium/drivers/trace/tr_screen.c
+++ b/src/gallium/drivers/trace/tr_screen.c
@@ -86,7 +86,7 @@ trace_screen_get_vendor(struct pipe_screen *_screen)
 
 static int
 trace_screen_get_param(struct pipe_screen *_screen,
-                       int param)
+                       enum pipe_cap param)
 {
    struct trace_screen *tr_scr = trace_screen(_screen);
    struct pipe_screen *screen = tr_scr->screen;
@@ -109,7 +109,7 @@ trace_screen_get_param(struct pipe_screen *_screen,
 
 static float
 trace_screen_get_paramf(struct pipe_screen *_screen,
-                        int param)
+                        enum pipe_cap param)
 {
    struct trace_screen *tr_scr = trace_screen(_screen);
    struct pipe_screen *screen = tr_scr->screen;
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 1aa54f1..7e43edc 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -413,46 +413,51 @@ enum pipe_transfer_usage {
  * Implementation capabilities/limits which are queried through
  * pipe_screen::get_param() and pipe_screen::get_paramf().
  */
-#define PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS 1
-#define PIPE_CAP_NPOT_TEXTURES           2
-#define PIPE_CAP_TWO_SIDED_STENCIL       3
-#define PIPE_CAP_GLSL                    4  /* XXX need something better */
-#define PIPE_CAP_DUAL_SOURCE_BLEND       5  
-#define PIPE_CAP_ANISOTROPIC_FILTER      6
-#define PIPE_CAP_POINT_SPRITE            7
-#define PIPE_CAP_MAX_RENDER_TARGETS      8
-#define PIPE_CAP_OCCLUSION_QUERY         9
-#define PIPE_CAP_TEXTURE_SHADOW_MAP      10
-#define PIPE_CAP_MAX_TEXTURE_2D_LEVELS   11
-#define PIPE_CAP_MAX_TEXTURE_3D_LEVELS   12
-#define PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS 13
-#define PIPE_CAP_MAX_LINE_WIDTH          14
-#define PIPE_CAP_MAX_LINE_WIDTH_AA       15
-#define PIPE_CAP_MAX_POINT_WIDTH         16
-#define PIPE_CAP_MAX_POINT_WIDTH_AA      17
-#define PIPE_CAP_MAX_TEXTURE_ANISOTROPY  18
-#define PIPE_CAP_MAX_TEXTURE_LOD_BIAS    19
-#define PIPE_CAP_GUARD_BAND_LEFT         20  /*< float */
-#define PIPE_CAP_GUARD_BAND_TOP          21  /*< float */
-#define PIPE_CAP_GUARD_BAND_RIGHT        22  /*< float */
-#define PIPE_CAP_GUARD_BAND_BOTTOM       23  /*< float */
-#define PIPE_CAP_TEXTURE_MIRROR_CLAMP    24
-#define PIPE_CAP_TEXTURE_MIRROR_REPEAT   25
-#define PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS 26
-#define PIPE_CAP_TGSI_CONT_SUPPORTED     27
-#define PIPE_CAP_BLEND_EQUATION_SEPARATE 28
-#define PIPE_CAP_SM3                     29  /*< Shader Model 3 supported */
-#define PIPE_CAP_MAX_PREDICATE_REGISTERS 30
-#define PIPE_CAP_MAX_COMBINED_SAMPLERS   31  /*< Maximum texture image units accessible from vertex
-                                                 and fragment shaders combined */
-#define PIPE_CAP_MAX_CONST_BUFFERS       32
-#define PIPE_CAP_MAX_CONST_BUFFER_SIZE   33  /*< In bytes */
-#define PIPE_CAP_INDEP_BLEND_ENABLE      34  /*< blend enables and write masks per rendertarget */
-#define PIPE_CAP_INDEP_BLEND_FUNC        35  /*< different blend funcs per rendertarget */
-#define PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT 36
-#define PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT 37
-#define PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 38
-#define PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER 39
+enum pipe_cap {
+   PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS,
+   PIPE_CAP_NPOT_TEXTURES,
+   PIPE_CAP_TWO_SIDED_STENCIL,
+   PIPE_CAP_GLSL,  /* XXX need something better */
+   PIPE_CAP_DUAL_SOURCE_BLEND,
+   PIPE_CAP_ANISOTROPIC_FILTER,
+   PIPE_CAP_POINT_SPRITE,
+   PIPE_CAP_MAX_RENDER_TARGETS,
+   PIPE_CAP_OCCLUSION_QUERY,
+   PIPE_CAP_TEXTURE_SHADOW_MAP,
+   PIPE_CAP_MAX_TEXTURE_2D_LEVELS,
+   PIPE_CAP_MAX_TEXTURE_3D_LEVELS,
+   PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS,
+   PIPE_CAP_MAX_LINE_WIDTH,
+   PIPE_CAP_MAX_LINE_WIDTH_AA,
+   PIPE_CAP_MAX_POINT_WIDTH,
+   PIPE_CAP_MAX_POINT_WIDTH_AA,
+   PIPE_CAP_MAX_TEXTURE_ANISOTROPY,
+   PIPE_CAP_MAX_TEXTURE_LOD_BIAS,
+   PIPE_CAP_GUARD_BAND_LEFT,  /*< float */
+   PIPE_CAP_GUARD_BAND_TOP,  /*< float */
+   PIPE_CAP_GUARD_BAND_RIGHT,  /*< float */
+   PIPE_CAP_GUARD_BAND_BOTTOM,  /*< float */
+   PIPE_CAP_TEXTURE_MIRROR_CLAMP,
+   PIPE_CAP_TEXTURE_MIRROR_REPEAT,
+   PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS,
+   PIPE_CAP_TGSI_CONT_SUPPORTED,
+   PIPE_CAP_BLEND_EQUATION_SEPARATE,
+   PIPE_CAP_SM3,  /*< Shader Model, supported */
+   PIPE_CAP_MAX_PREDICATE_REGISTERS,
+   /** Maximum texture image units accessible from vertex and fragment shaders
+    * combined */
+   PIPE_CAP_MAX_COMBINED_SAMPLERS,
+   PIPE_CAP_MAX_CONST_BUFFERS,
+   PIPE_CAP_MAX_CONST_BUFFER_SIZE,  /*< In bytes */
+   /** blend enables and write masks per rendertarget */
+   PIPE_CAP_INDEP_BLEND_ENABLE,
+   /** different blend funcs per rendertarget */
+   PIPE_CAP_INDEP_BLEND_FUNC,
+   PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT,
+   PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
+   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
+   PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
+};
 
 
 /**
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index beff1ae..7195dc0 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -79,13 +79,13 @@ struct pipe_screen {
     * Query an integer-valued capability/parameter/limit
     * \param param  one of PIPE_CAP_x
     */
-   int (*get_param)( struct pipe_screen *, int param );
+   int (*get_param)( struct pipe_screen *, enum pipe_cap param );
 
    /**
     * Query a float-valued capability/parameter/limit
     * \param param  one of PIPE_CAP_x
     */
-   float (*get_paramf)( struct pipe_screen *, int param );
+   float (*get_paramf)( struct pipe_screen *, enum pipe_cap param );
 
    struct pipe_context * (*context_create)( struct pipe_screen *,
 					    void *priv );
-- 
1.7.0.3

>From ee3490e40985f913871acc738dfc07d23924fe0a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Fonseca?= <jfons...@vmware.com>
Date: Tue, 11 May 2010 11:40:04 +0100
Subject: [PATCH 2/2] gallium: Add new fine grained PIPE_CAP_xx for shader limits.

PIPE_CAP_GLSL and PIPE_CAP_SM3 not removed yet, as opcode support is not
yet covered.
---
 src/gallium/drivers/llvmpipe/lp_screen.c |   30 ++++++++
 src/gallium/include/pipe/p_defines.h     |   22 ++++++
 src/mesa/state_tracker/st_extensions.c   |  108 +++++------------------------
 3 files changed, 71 insertions(+), 89 deletions(-)

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 1b4d21c..7946794 100644
--- 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"
@@ -133,7 +134,35 @@ 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_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;
    default:
+      assert(0);
       return 0;
    }
 }
@@ -156,6 +185,7 @@ llvmpipe_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
       return 16.0; /* arbitrary */
    default:
+      assert(0);
       return 0;
    }
 }
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 7e43edc..1354322 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -457,6 +457,28 @@ enum pipe_cap {
    PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT,
    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER,
    PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER,
+
+   /*
+    * Shader limits.
+    */
+   PIPE_CAP_MAX_VS_INSTRUCTIONS,
+   PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS,
+   PIPE_CAP_MAX_VS_TEX_INDIRECTIONS,
+   PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH,
+   PIPE_CAP_MAX_VS_INPUTS,
+   PIPE_CAP_MAX_VS_CONSTS,
+   PIPE_CAP_MAX_VS_TEMPS,
+   PIPE_CAP_MAX_VS_ADDRS,
+   PIPE_CAP_MAX_VS_PREDS,
+   PIPE_CAP_MAX_FS_INSTRUCTIONS,
+   PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS,
+   PIPE_CAP_MAX_FS_TEX_INDIRECTIONS,
+   PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH,
+   PIPE_CAP_MAX_FS_INPUTS,
+   PIPE_CAP_MAX_FS_CONSTS,
+   PIPE_CAP_MAX_FS_TEMPS,
+   PIPE_CAP_MAX_FS_ADDRS,
+   PIPE_CAP_MAX_FS_PREDS
 };
 
 
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 5b2e49c..7ae08bb 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -142,95 +142,25 @@ void st_init_limits(struct st_context *st)
    /* Quads always follow GL provoking rules. */
    c->QuadsFollowProvokingVertexConvention = GL_FALSE;
 
-   if (screen->get_param(screen, PIPE_CAP_GLSL)) {
-      /*
-       * In the lack of more fine grained capabilities, if the pipe driver supports
-       * GLSL then assume native limits match Mesa software limits.
-       */
-
-      pc = &c->FragmentProgram;
-      pc->MaxNativeInstructions      = pc->MaxInstructions;
-      pc->MaxNativeAluInstructions   = pc->MaxAluInstructions;
-      pc->MaxNativeTexInstructions   = pc->MaxTexInstructions;
-      pc->MaxNativeTexIndirections   = pc->MaxTexIndirections;
-      pc->MaxNativeAttribs           = pc->MaxAttribs;
-      pc->MaxNativeTemps             = pc->MaxTemps;
-      pc->MaxNativeAddressRegs       = pc->MaxAddressRegs;
-      pc->MaxNativeParameters        = pc->MaxParameters;
-
-      pc = &c->VertexProgram;
-      pc->MaxNativeInstructions      = pc->MaxInstructions;
-      pc->MaxNativeAluInstructions   = pc->MaxAluInstructions;
-      pc->MaxNativeTexInstructions   = pc->MaxTexInstructions;
-      pc->MaxNativeTexIndirections   = pc->MaxTexIndirections;
-      pc->MaxNativeAttribs           = pc->MaxAttribs;
-      pc->MaxNativeTemps             = pc->MaxTemps;
-      pc->MaxNativeAddressRegs       = pc->MaxAddressRegs;
-      pc->MaxNativeParameters        = pc->MaxParameters;
-   } else if (screen->get_param(screen, PIPE_CAP_SM3)) {
-      /*
-       * Assume the hardware meets the minimum requirements
-       * for Shader Model 3.
-       *
-       * See also:
-       * - http://msdn.microsoft.com/en-us/library/bb172920(VS.85).aspx
-       * - http://msdn.microsoft.com/en-us/library/bb172963(VS.85).aspx
-       */
-
-      pc = &c->FragmentProgram;
-      pc->MaxNativeInstructions      = 512; /* D3DMIN30SHADERINSTRUCTIONS */
-      pc->MaxNativeAluInstructions   = pc->MaxNativeInstructions;
-      pc->MaxNativeTexInstructions   = pc->MaxNativeInstructions;
-      pc->MaxNativeTexIndirections   = pc->MaxNativeTexInstructions;
-      pc->MaxNativeAttribs           = 10;
-      pc->MaxNativeTemps             = 32;
-      pc->MaxNativeAddressRegs       = 1; /* aL */
-      pc->MaxNativeParameters        = 224;
-
-      pc = &c->VertexProgram;
-      pc->MaxNativeInstructions      = 512; /* D3DMIN30SHADERINSTRUCTIONS */
-      pc->MaxNativeAluInstructions   = pc->MaxNativeInstructions;
-      pc->MaxNativeTexInstructions   = pc->MaxNativeInstructions;
-      pc->MaxNativeTexIndirections   = pc->MaxNativeTexInstructions;
-      pc->MaxNativeAttribs           = 16;
-      pc->MaxNativeTemps             = 32;
-      pc->MaxNativeAddressRegs       = 2; /* a0 and aL */
-      pc->MaxNativeParameters        = 256;
-   } else {
-      /*
-       * Assume the hardware meets the minimum requirements
-       * for Shader Model 2.
-       *
-       * See also:
-       * - http://msdn.microsoft.com/en-us/library/bb172918(VS.85).aspx
-       * - http://msdn.microsoft.com/en-us/library/bb172961(VS.85).aspx
-       */
-
-      pc = &c->FragmentProgram;
-      pc->MaxNativeInstructions      = 96; /* D3DPS20_MIN_NUMINSTRUCTIONSLOTS */
-      pc->MaxNativeAluInstructions   = 64;
-      pc->MaxNativeTexInstructions   = 32;
-      pc->MaxNativeTexIndirections   = pc->MaxNativeTexInstructions;
-      pc->MaxNativeAttribs           = 10; /* 2 color + 8 texture coord */
-      pc->MaxNativeTemps             = 12; /* D3DPS20_MIN_NUMTEMPS */
-      pc->MaxNativeAddressRegs       = 0;
-      pc->MaxNativeParameters        = 16;
-
-      pc = &c->VertexProgram;
-      pc->MaxNativeInstructions      = 256;
-      pc->MaxNativeAluInstructions   = 256;
-      pc->MaxNativeTexInstructions   = 0;
-      pc->MaxNativeTexIndirections   = 0;
-      pc->MaxNativeAttribs           = 16;
-      pc->MaxNativeTemps             = 12; /* D3DVS20_MIN_NUMTEMPS */
-      pc->MaxNativeAddressRegs       = 2; /* a0 and aL */
-      pc->MaxNativeParameters        = 256;
-   }
-
-   if (!screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS)) {
-      c->VertexProgram.MaxNativeTexInstructions = 0;
-      c->VertexProgram.MaxNativeTexIndirections = 0;
-   }
+   pc = &c->FragmentProgram;
+   pc->MaxNativeInstructions    = screen->get_param(screen, PIPE_CAP_MAX_FS_INSTRUCTIONS);
+   pc->MaxNativeAluInstructions = pc->MaxAluInstructions;
+   pc->MaxNativeTexInstructions = screen->get_param(screen, PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS);
+   pc->MaxNativeTexIndirections = screen->get_param(screen, PIPE_CAP_MAX_FS_TEX_INDIRECTIONS);
+   pc->MaxNativeAttribs         = screen->get_param(screen, PIPE_CAP_MAX_FS_INPUTS);
+   pc->MaxNativeTemps           = screen->get_param(screen, PIPE_CAP_MAX_FS_TEMPS);
+   pc->MaxNativeAddressRegs     = screen->get_param(screen, PIPE_CAP_MAX_FS_ADDRS);
+   pc->MaxNativeParameters      = screen->get_param(screen, PIPE_CAP_MAX_FS_CONSTS);
+
+   pc = &c->VertexProgram;
+   pc->MaxNativeInstructions    = screen->get_param(screen, PIPE_CAP_MAX_VS_INSTRUCTIONS);
+   pc->MaxNativeAluInstructions = pc->MaxAluInstructions;
+   pc->MaxNativeTexInstructions = screen->get_param(screen, PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS);
+   pc->MaxNativeTexIndirections = screen->get_param(screen, PIPE_CAP_MAX_VS_TEX_INDIRECTIONS);
+   pc->MaxNativeAttribs         = screen->get_param(screen, PIPE_CAP_MAX_VS_INPUTS);
+   pc->MaxNativeTemps           = screen->get_param(screen, PIPE_CAP_MAX_VS_TEMPS);
+   pc->MaxNativeAddressRegs     = screen->get_param(screen, PIPE_CAP_MAX_VS_ADDRS);
+   pc->MaxNativeParameters      = screen->get_param(screen, PIPE_CAP_MAX_VS_CONSTS);
 }
 
 
-- 
1.7.0.3

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