/*
 * Copyright © 2015 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.
 */

#include "piglit-util-gl.h"

static const GLenum valid_targets[] = {
        GL_TEXTURE_1D,
        GL_TEXTURE_1D_ARRAY,
        GL_TEXTURE_2D,
        GL_TEXTURE_2D_ARRAY,
        GL_TEXTURE_3D,
        GL_TEXTURE_CUBE_MAP,
        GL_TEXTURE_CUBE_MAP_ARRAY,
        GL_TEXTURE_RECTANGLE,
        GL_TEXTURE_BUFFER,
        GL_RENDERBUFFER,
        GL_TEXTURE_2D_MULTISAMPLE,
        GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
};

static const GLenum invalid_targets[] = {
        GL_FRAMEBUFFER,
        GL_COLOR_ATTACHMENT0,
        GL_COLOR_ATTACHMENT1,
        GL_COLOR_ATTACHMENT2,
        GL_COLOR_ATTACHMENT3,
        GL_COLOR_ATTACHMENT4,
        GL_COLOR_ATTACHMENT5,
        GL_COLOR_ATTACHMENT6,
        GL_COLOR_ATTACHMENT7,
        GL_COLOR_ATTACHMENT8,
        GL_COLOR_ATTACHMENT9,
        GL_COLOR_ATTACHMENT10,
        GL_COLOR_ATTACHMENT11,
        GL_COLOR_ATTACHMENT12,
        GL_COLOR_ATTACHMENT13,
        GL_COLOR_ATTACHMENT14,
        GL_COLOR_ATTACHMENT15,
        GL_DEPTH_ATTACHMENT,
        GL_STENCIL_ATTACHMENT,
        GL_TEXTURE_4D_SGIS,
        GL_TEXTURE_RENDERBUFFER_NV,
};

static const GLenum texture_targets[] = {
        GL_TEXTURE_1D,
        GL_TEXTURE_1D_ARRAY,
        GL_TEXTURE_2D,
        GL_TEXTURE_2D_ARRAY,
        GL_TEXTURE_3D,
        GL_TEXTURE_CUBE_MAP,
        GL_TEXTURE_CUBE_MAP_ARRAY,
        GL_TEXTURE_RECTANGLE,
        GL_TEXTURE_BUFFER,
        GL_TEXTURE_2D_MULTISAMPLE,
        GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
};

static const GLenum valid_pnames[] = {
        GL_SAMPLES,
        GL_NUM_SAMPLE_COUNTS,
        GL_INTERNALFORMAT_SUPPORTED,
        GL_INTERNALFORMAT_PREFERRED,
        GL_INTERNALFORMAT_RED_SIZE,
        GL_INTERNALFORMAT_GREEN_SIZE,
        GL_INTERNALFORMAT_BLUE_SIZE,
        GL_INTERNALFORMAT_ALPHA_SIZE,
        GL_INTERNALFORMAT_DEPTH_SIZE,
        GL_INTERNALFORMAT_STENCIL_SIZE,
        GL_INTERNALFORMAT_SHARED_SIZE,
        GL_INTERNALFORMAT_RED_TYPE,
        GL_INTERNALFORMAT_GREEN_TYPE,
        GL_INTERNALFORMAT_BLUE_TYPE,
        GL_INTERNALFORMAT_ALPHA_TYPE,
        GL_INTERNALFORMAT_DEPTH_TYPE,
        GL_INTERNALFORMAT_STENCIL_TYPE,
        GL_MAX_WIDTH,
        GL_MAX_HEIGHT,
        GL_MAX_DEPTH,
        GL_MAX_LAYERS,
        GL_MAX_COMBINED_DIMENSIONS,
        GL_COLOR_COMPONENTS,
        GL_DEPTH_COMPONENTS,
        GL_STENCIL_COMPONENTS,
        GL_COLOR_RENDERABLE,
        GL_DEPTH_RENDERABLE,
        GL_STENCIL_RENDERABLE,
        GL_FRAMEBUFFER_RENDERABLE,
        GL_FRAMEBUFFER_RENDERABLE_LAYERED,
        GL_FRAMEBUFFER_BLEND,
        GL_READ_PIXELS,
        GL_READ_PIXELS_FORMAT,
        GL_READ_PIXELS_TYPE,
        GL_TEXTURE_IMAGE_FORMAT,
        GL_TEXTURE_IMAGE_TYPE,
        GL_GET_TEXTURE_IMAGE_FORMAT,
        GL_GET_TEXTURE_IMAGE_TYPE,
        GL_MIPMAP,
        GL_MANUAL_GENERATE_MIPMAP,
        GL_AUTO_GENERATE_MIPMAP,
        GL_COLOR_ENCODING,
        GL_SRGB_READ,
        GL_SRGB_WRITE,
        GL_SRGB_DECODE_ARB,
        GL_FILTER,
        GL_VERTEX_TEXTURE,
        GL_TESS_CONTROL_TEXTURE,
        GL_TESS_EVALUATION_TEXTURE,
        GL_GEOMETRY_TEXTURE,
        GL_FRAGMENT_TEXTURE,
        GL_COMPUTE_TEXTURE,
        GL_TEXTURE_SHADOW,
        GL_TEXTURE_GATHER,
        GL_TEXTURE_GATHER_SHADOW,
        GL_SHADER_IMAGE_LOAD,
        GL_SHADER_IMAGE_STORE,
        GL_SHADER_IMAGE_ATOMIC,
        GL_IMAGE_TEXEL_SIZE,
        GL_IMAGE_COMPATIBILITY_CLASS,
        GL_IMAGE_PIXEL_FORMAT,
        GL_IMAGE_PIXEL_TYPE,
        GL_IMAGE_FORMAT_COMPATIBILITY_TYPE,
        GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST,
        GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST,
        GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE,
        GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE,
        GL_TEXTURE_COMPRESSED,
        GL_TEXTURE_COMPRESSED_BLOCK_WIDTH,
        GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT,
        GL_TEXTURE_COMPRESSED_BLOCK_SIZE,
        GL_CLEAR_BUFFER,
        GL_TEXTURE_VIEW,
        GL_VIEW_COMPATIBILITY_CLASS
};

static const GLenum invalid_pnames[] = {
        GL_RED_BITS,
        GL_GREEN_BITS,
        GL_BLUE_BITS,
        GL_ALPHA_BITS,
        GL_DEPTH_BITS,
        GL_STENCIL_BITS,
        GL_MAX_3D_TEXTURE_SIZE,
        GL_MAX_CUBE_MAP_TEXTURE_SIZE,
        GL_TEXTURE_INTERNAL_FORMAT,
        GL_TEXTURE_WIDTH,
        GL_TEXTURE_HEIGHT,
        GL_TEXTURE_COMPONENTS,
};

/*
 * The following are the valid internalformats defined when the spec
 * was written (at 4.2).
 *
 * From spec:
 *
 *  "INTERNALFORMAT_SUPPORTED:
 *  <skip>
 *
 * <internalformats> that must be supported (in GL 4.2 or later)
 *   include the following:
 *    - "sized internal formats" from Table 3.12, 3.13, and 3.15,
 *    - any specific "compressed internal format" from Table 3.14,
 *    - any "image unit format" from Table 3.21.
 *    - any generic "compressed internal format" from Table 3.14, if
 *      the implementation accepts it for any texture specification
 *      commands, and
 *    - unsized or base internal format, if the implementation accepts
 *      it for texture or image specification."
 */
static const GLenum base_valid_internalformats[] = {
        /* Base/unsized internal format (from Table 3.11) */
        GL_DEPTH_COMPONENT,
        GL_DEPTH_STENCIL,
        GL_RED,
        GL_RG,
        GL_RGB,
        GL_RGBA,
        /* Table 3.12 (Table 3.15 and 3.21 included here) */
        GL_R8,
        GL_R8_SNORM,
        GL_R16,
        GL_R16_SNORM,
        GL_RG8,
        GL_RG8_SNORM,
        GL_RG16,
        GL_RG16_SNORM,
        GL_R3_G3_B2,
        GL_RGB4,
        GL_RGB5,
        GL_RGB8,
        GL_RGB8_SNORM,
        GL_RGB10,
        GL_RGB12,
        GL_RGB16,
        GL_RGB16_SNORM,
        GL_RGBA2,
        GL_RGBA4,
        GL_RGB5_A1,
        GL_RGBA8,
        GL_RGBA8_SNORM,
        GL_RGB10_A2,
        GL_RGB10_A2UI,
        GL_RGBA12,
        GL_RGBA16,
        GL_RGBA16_SNORM,
        GL_SRGB8,
        GL_SRGB8_ALPHA8,
        GL_R16F,
        GL_RG16F,
        GL_RGB16F,
        GL_RGBA16F,
        GL_R32F,
        GL_RG32F,
        GL_RGB32F,
        GL_RGBA32F,
        GL_R11F_G11F_B10F,
        GL_RGB9_E5,
        GL_R8I,
        GL_R8UI,
        GL_R16I,
        GL_R16UI,
        GL_R32I,
        GL_R32UI,
        GL_RG8I,
        GL_RG16I,
        GL_RG16UI,
        GL_RG32I,
        GL_RG32UI,
        GL_RGB8I,
        GL_RGB8UI,
        GL_RGB16I,
        GL_RGB16UI,
        GL_RGB32I,
        GL_RGB32UI,
        GL_RGBA8I,
        GL_RGBA8UI,
        GL_RGBA16I,
        GL_RGBA16UI,
        GL_RGBA32I,
        GL_RGBA32UI,
        /* Table 3.13 */
        GL_DEPTH_COMPONENT16,
        GL_DEPTH_COMPONENT24,
        GL_DEPTH_COMPONENT32,
        GL_DEPTH_COMPONENT32F,
        GL_DEPTH24_STENCIL8,
        GL_DEPTH32F_STENCIL8,
        /* Table 3.14 (both specific and generic) */
        GL_COMPRESSED_RED,
        GL_COMPRESSED_RG,
        GL_COMPRESSED_RGB,
        GL_COMPRESSED_RGBA,
        GL_COMPRESSED_SRGB,
        GL_COMPRESSED_SRGB_ALPHA,
        GL_COMPRESSED_RED_RGTC1,
        GL_COMPRESSED_SIGNED_RED_RGTC1,
        GL_COMPRESSED_RG_RGTC2,
        GL_COMPRESSED_SIGNED_RG_RGTC2,
        GL_COMPRESSED_RGBA_BPTC_UNORM,
        GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM,
        GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT,
        GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT,
};

/*
 * Below the new internalformats added by ARB_ES3_compatibility, core
 * since 4.3. You can find those internalformats at Spec 4.3 Table
 * 8.14
 */
static const GLenum arb_es3_compatibility_valid_internalformats[] = {
        GL_COMPRESSED_RGB8_ETC2,
        GL_COMPRESSED_SRGB8_ETC2,
        GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2,
        GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2,
        GL_COMPRESSED_RGBA8_ETC2_EAC,
        GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC,
        GL_COMPRESSED_R11_EAC,
        GL_COMPRESSED_SIGNED_R11_EAC,
        GL_COMPRESSED_RG11_EAC,
        GL_COMPRESSED_SIGNED_RG11_EAC,
};

extern GLenum *valid_internalformats;
extern unsigned num_valid_internalformats;

typedef struct _test_data test_data;

test_data* test_data_new(int testing64,
                         int params_size);

void test_data_clear(test_data **data);

void test_data_execute(test_data *data,
                       const GLenum target,
                       const GLenum internalformat,
                       const GLenum pname);

void
test_data_execute_with_size(test_data *data,
                            const GLenum target,
                            const GLenum internalformat,
                            const GLenum pname,
                            int size);

void test_data_set_testing64(test_data *data,
                             const int testing64);

void test_data_set_params_size(test_data *data,
                               const int params_size);

bool test_data_equal_at_index(test_data *data,
                              test_data *data_copy,
                              const unsigned index);

bool test_data_check_supported(const test_data *data,
                               const GLenum target,
                               const GLenum internalformat);

bool test_data_check_possible_values(test_data *data,
                                     const GLint *possible_values,
                                     const unsigned num_possible_values);

GLint64 test_data_value_at_index(test_data *data,
                                 const int index);

void test_data_set_value_at_index(test_data *data,
                                  const int index,
                                  const GLint64 value);

test_data* test_data_clone(test_data *data);

int test_data_get_testing64(test_data *data);

int test_data_get_params_size(test_data *data);

bool try_basic(const GLenum *targets, unsigned num_targets,
               const GLenum *internalformats, unsigned num_internalformats,
               const GLenum pname,
               const GLint *possible_values, unsigned num_possible_values,
               test_data *data);

void print_failing_case(const GLenum target, const GLenum internalformat,
                        const GLenum pname, test_data *data);

void print_failing_case_full(const GLenum target, const GLenum internalformat,
                             const GLenum pname, GLint64 expected_value,
                             test_data *data);

bool value_on_set(const GLint *set,
                  const unsigned set_size,
                  GLint value);

bool check_query2_dependencies(const GLenum pname,
                               const GLenum target);

bool test_data_is_unsupported_response(test_data *data,
                                       GLenum pname);

bool test_data_check_against_get_tex_level_parameter(test_data *data,
                                                     const GLenum target,
                                                     const GLenum pname,
                                                     const GLenum internalformat);
bool create_texture(const GLenum target,
                    const GLenum internalformat,
                    GLuint *tex_out,
                    GLuint *buffer_out);

void initialize_valid_internalformats();