i915g: Implement vertex textures.

1 files changed, 69 insertions, 60 deletions

diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index cc818351577..7d9b8653ea6 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -100,6 +100,69 @@ i915_get_name(struct pipe_screen *screen)
 }
 
 static int
+i915_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap cap)
+{
+   switch(shader) {
+   case PIPE_SHADER_VERTEX:
+      switch (cap) {
+      case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
+         if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
+            return PIPE_MAX_VERTEX_SAMPLERS;
+         else
+            return 0;
+      default:
+         return draw_get_shader_param(shader, cap);
+      }
+   case PIPE_SHADER_FRAGMENT:
+      /* XXX: these are just shader model 2.0 values, fix this! */
+      switch(cap) {
+      case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
+         return 96;
+      case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
+         return 64;
+      case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
+         return 32;
+      case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
+         return 8;
+      case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
+         return 0;
+      case PIPE_SHADER_CAP_MAX_INPUTS:
+         return 10;
+      case PIPE_SHADER_CAP_MAX_CONSTS:
+         return 32;
+      case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
+         return 1;
+      case PIPE_SHADER_CAP_MAX_TEMPS:
+         return 12; /* XXX: 12 -> 32 ? */
+      case PIPE_SHADER_CAP_MAX_ADDRS:
+         return 0;
+      case PIPE_SHADER_CAP_MAX_PREDS:
+         return 0;
+      case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
+         return 0;
+      case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
+      case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
+      case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
+      case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
+         return 1;
+      case PIPE_SHADER_CAP_SUBROUTINES:
+         return 0;
+      case PIPE_SHADER_CAP_INTEGERS:
+         return 0;
+      case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
+         return 8;
+      default:
+         debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
+         return 0;
+      }
+      break;
+   default:
+      return 0;
+   }
+
+}
+
+static int
 i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
 {
    struct i915_screen *is = i915_screen(screen);
@@ -143,7 +206,12 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
 
    /* Texturing. */
    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
-      return 8;
+      return i915_get_shader_param(screen,
+                                   PIPE_SHADER_VERTEX,
+                                   PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS) +
+             i915_get_shader_param(screen,
+                                   PIPE_SHADER_FRAGMENT,
+                                   PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS);
    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
       return I915_MAX_TEXTURE_2D_LEVELS;
    case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
@@ -172,65 +240,6 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
    }
 }
 
-static int
-i915_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap cap)
-{
-   switch(shader) {
-   case PIPE_SHADER_VERTEX:
-      switch (cap) {
-      case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
-         return 0;
-      default:
-         return draw_get_shader_param(shader, cap);
-      }
-   case PIPE_SHADER_FRAGMENT:
-      /* XXX: these are just shader model 2.0 values, fix this! */
-      switch(cap) {
-      case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
-         return 96;
-      case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
-         return 64;
-      case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
-         return 32;
-      case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
-         return 8;
-      case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
-         return 0;
-      case PIPE_SHADER_CAP_MAX_INPUTS:
-         return 10;
-      case PIPE_SHADER_CAP_MAX_CONSTS:
-         return 32;
-      case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
-         return 1;
-      case PIPE_SHADER_CAP_MAX_TEMPS:
-         return 12; /* XXX: 12 -> 32 ? */
-      case PIPE_SHADER_CAP_MAX_ADDRS:
-         return 0;
-      case PIPE_SHADER_CAP_MAX_PREDS:
-         return 0;
-      case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
-         return 0;
-      case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
-      case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
-      case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
-      case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
-         return 1;
-      case PIPE_SHADER_CAP_SUBROUTINES:
-         return 0;
-      case PIPE_SHADER_CAP_INTEGERS:
-         return 0;
-      case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
-         return 8;
-      default:
-         debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
-         return 0;
-      }
-   default:
-      return 0;
-   }
-
-}
-
 static float
 i915_get_paramf(struct pipe_screen *screen, enum pipe_cap cap)
 {