src/gallium/drivers/svga/svga_shader.h

   1 /**********************************************************
   2  * Copyright 2008-2012 VMware, Inc.  All rights reserved.
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  25
  26 #ifndef SVGA_SHADER_H
  27 #define SVGA_SHADER_H
  28
  29 #include "svga3d_reg.h"
  30
  31 struct svga_shader_variant;
  32
  33 enum pipe_error
  34 svga_define_shader(struct svga_context *svga,
  35                    SVGA3dShaderType type,
  36                    struct svga_shader_variant *variant);
  37
  38 enum pipe_error
  39 svga_destroy_shader_variant(struct svga_context *svga,
  40                             SVGA3dShaderType type,
  41                             struct svga_shader_variant *variant);
  42
  43
  44 /**
  45  * Check if a shader's bytecode exceeds the device limits.
  46  */
  47 static inline boolean
  48 svga_shader_too_large(const struct svga_context *svga,
  49                       const struct svga_shader_variant *variant)
  50 {
  51    if (svga_have_gb_objects(svga)) {
  52       return FALSE;
  53    }
  54
  55    if (variant->nr_tokens * sizeof(variant->tokens[0])
  56        + sizeof(SVGA3dCmdDefineShader) + sizeof(SVGA3dCmdHeader)
  57        < SVGA_CB_MAX_COMMAND_SIZE) {
  58       return FALSE;
  59    }
  60
  61    return TRUE;
  62 }
  63
  64
  65 #endif /* SVGA_SHADER_H */