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/*

 * Copyright © 2011 Intel Corporation

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 */

/* This file declares stripped-down versions of functions that

 * normally exist outside of the glsl folder, so that they can be used

 * when running the GLSL compiler standalone (for unit testing or

 * compiling builtins).

 */

#include "standalone_scaffolding.h"

#include 

#include 

#include 

#include "util/ralloc.h"

void

_mesa_warning(struct gl_context *ctx, const char *fmt, ...)

{

    va_list vargs;

    (void) ctx;

    va_start(vargs, fmt);

    /* This output is not thread-safe, but that's good enough for the

     * standalone compiler.

     */

    fprintf(stderr, "Mesa warning: ");

    vfprintf(stderr, fmt, vargs);

    fprintf(stderr, "\n");

    va_end(vargs);

}

void

_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,

                       struct gl_shader *sh)

{

   (void) ctx;

   *ptr = sh;

}

void

_mesa_shader_debug(struct gl_context *, GLenum, GLuint *id,

                   const char *, int)

{

}

struct gl_shader *

_mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type)

{

   struct gl_shader *shader;

   (void) ctx;

   assert(type == GL_FRAGMENT_SHADER || type == GL_VERTEX_SHADER);

   shader = rzalloc(NULL, struct gl_shader);

   if (shader) {

      shader->Type = type;

      shader->Stage = _mesa_shader_enum_to_shader_stage(type);

      shader->Name = name;

      shader->RefCount = 1;

   }

   return shader;

}

void

_mesa_clear_shader_program_data(struct gl_shader_program *shProg)

{

   unsigned i;

   shProg->NumUserUniformStorage = 0;

   shProg->UniformStorage = NULL;

   shProg->NumUniformRemapTable = 0;

   shProg->UniformRemapTable = NULL;

   shProg->UniformHash = NULL;

   ralloc_free(shProg->InfoLog);

   shProg->InfoLog = ralloc_strdup(shProg, "");

   ralloc_free(shProg->UniformBlocks);

   shProg->UniformBlocks = NULL;

   shProg->NumUniformBlocks = 0;

   for (i = 0; i < MESA_SHADER_STAGES; i++) {

      ralloc_free(shProg->UniformBlockStageIndex[i]);

      shProg->UniformBlockStageIndex[i] = NULL;

   }

   ralloc_free(shProg->AtomicBuffers);

   shProg->AtomicBuffers = NULL;

   shProg->NumAtomicBuffers = 0;

}

void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)

{

   memset(ctx, 0, sizeof(*ctx));

   ctx->API = api;

   ctx->Extensions.dummy_false = false;

   ctx->Extensions.dummy_true = true;

   ctx->Extensions.ARB_compute_shader = true;

   ctx->Extensions.ARB_conservative_depth = true;

   ctx->Extensions.ARB_draw_instanced = true;

   ctx->Extensions.ARB_ES2_compatibility = true;

   ctx->Extensions.ARB_ES3_compatibility = true;

   ctx->Extensions.ARB_explicit_attrib_location = true;

   ctx->Extensions.ARB_fragment_coord_conventions = true;

   ctx->Extensions.ARB_fragment_layer_viewport = true;

   ctx->Extensions.ARB_gpu_shader5 = true;

   ctx->Extensions.ARB_gpu_shader_fp64 = true;

   ctx->Extensions.ARB_sample_shading = true;

   ctx->Extensions.ARB_shader_bit_encoding = true;

   ctx->Extensions.ARB_shader_stencil_export = true;

   ctx->Extensions.ARB_shader_texture_lod = true;

   ctx->Extensions.ARB_shading_language_420pack = true;

   ctx->Extensions.ARB_shading_language_packing = true;

   ctx->Extensions.ARB_texture_cube_map_array = true;

   ctx->Extensions.ARB_texture_gather = true;

   ctx->Extensions.ARB_texture_multisample = true;

   ctx->Extensions.ARB_texture_query_levels = true;

   ctx->Extensions.ARB_texture_query_lod = true;

   ctx->Extensions.ARB_uniform_buffer_object = true;

   ctx->Extensions.ARB_viewport_array = true;

   ctx->Extensions.OES_EGL_image_external = true;

   ctx->Extensions.OES_standard_derivatives = true;

   ctx->Extensions.EXT_shader_integer_mix = true;

   ctx->Extensions.EXT_texture3D = true;

   ctx->Extensions.EXT_texture_array = true;

   ctx->Extensions.NV_texture_rectangle = true;

   ctx->Const.GLSLVersion = 120;

   /* 1.20 minimums. */

   ctx->Const.MaxLights = 8;

   ctx->Const.MaxClipPlanes = 6;

   ctx->Const.MaxTextureUnits = 2;

   ctx->Const.MaxTextureCoordUnits = 2;

   ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;

   ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512;

   ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;

   ctx->Const.MaxVarying = 8; /* == gl_MaxVaryingFloats / 4 */

   ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;

   ctx->Const.MaxCombinedTextureImageUnits = 2;

   ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 2;

   ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64;

   ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 32;

   ctx->Const.MaxDrawBuffers = 1;

   ctx->Const.MaxComputeWorkGroupCount[0] = 65535;

   ctx->Const.MaxComputeWorkGroupCount[1] = 65535;

   ctx->Const.MaxComputeWorkGroupCount[2] = 65535;

   ctx->Const.MaxComputeWorkGroupSize[0] = 1024;

   ctx->Const.MaxComputeWorkGroupSize[1] = 1024;

   ctx->Const.MaxComputeWorkGroupSize[2] = 64;

   ctx->Const.MaxComputeWorkGroupInvocations = 1024;

   ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;

   ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;

   ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */

   ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */

   /* Set up default shader compiler options. */

   struct gl_shader_compiler_options options;

   memset(&options, 0, sizeof(options));

   options.MaxUnrollIterations = 32;

   options.MaxIfDepth = UINT_MAX;

   for (int sh = 0; sh < MESA_SHADER_STAGES; ++sh)

      memcpy(&ctx->Const.ShaderCompilerOptions[sh], &options, sizeof(options));

}