// Vita3K emulator project
// Copyright (C) 2026 Vita3K team
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

#include <renderer/gl/functions.h>

#include <gxm/functions.h>
#include <util/log.h>

namespace renderer::gl::texture {

// SceGxmTextureSwizzle1Mode
static const GLint swizzle_r[4] = { GL_RED, GL_ZERO, GL_ZERO, GL_ONE };
static const GLint swizzle_000r[4] = { GL_RED, GL_ZERO, GL_ZERO, GL_ZERO };
static const GLint swizzle_111r[4] = { GL_RED, GL_ONE, GL_ONE, GL_ONE };
static const GLint swizzle_rrrr[4] = { GL_RED, GL_RED, GL_RED, GL_RED };
static const GLint swizzle_0rrr[4] = { GL_RED, GL_RED, GL_RED, GL_ZERO };
static const GLint swizzle_1rrr[4] = { GL_RED, GL_RED, GL_RED, GL_ONE };
static const GLint swizzle_r000[4] = { GL_ZERO, GL_ZERO, GL_ZERO, GL_RED };
static const GLint swizzle_r111[4] = { GL_ONE, GL_ONE, GL_ONE, GL_RED };

// SceGxmTextureSwizzle2Mode
static const GLint swizzle_gr[4] = { GL_RED, GL_GREEN, GL_ZERO, GL_ONE };
static const GLint swizzle_00gr[4] = { GL_RED, GL_GREEN, GL_ZERO, GL_ZERO };
static const GLint swizzle_grrr[4] = { GL_RED, GL_RED, GL_RED, GL_GREEN };
static const GLint swizzle_rggg[4] = { GL_GREEN, GL_GREEN, GL_GREEN, GL_RED };
static const GLint swizzle_grgr[4] = { GL_RED, GL_GREEN, GL_RED, GL_GREEN };
static const GLint swizzle_00rg[4] = { GL_GREEN, GL_RED, GL_ZERO, GL_ZERO };

// SceGxmTextureSwizzle2ModeAlt
static const GLint swizzle_sd[4] = { GL_RED, GL_GREEN, GL_ZERO, GL_ONE };
static const GLint swizzle_ds[4] = { GL_GREEN, GL_RED, GL_ZERO, GL_ONE };

// SceGxmTextureSwizzle3Mode
static const GLint swizzle_rgb[4] = { GL_BLUE, GL_GREEN, GL_RED, GL_ONE };
static const GLint swizzle_bgr[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ONE };

// SceGxmTextureSwizzle4Mode
static const GLint swizzle_abgr[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_argb[4] = { GL_BLUE, GL_GREEN, GL_RED, GL_ALPHA };
static const GLint swizzle_rgba[4] = { GL_ALPHA, GL_BLUE, GL_GREEN, GL_RED };
static const GLint swizzle_bgra[4] = { GL_GREEN, GL_BLUE, GL_ALPHA, GL_RED };
static const GLint swizzle_1bgr[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ONE };
static const GLint swizzle_1rgb[4] = { GL_BLUE, GL_GREEN, GL_RED, GL_ONE };
static const GLint swizzle_1gba[4] = { GL_ALPHA, GL_BLUE, GL_GREEN, GL_ONE };
static const GLint swizzle_1abg[4] = { GL_GREEN, GL_BLUE, GL_ALPHA, GL_ONE };

// SceGxmTextureSwizzleYUV420Mode
// TODO I don't know what these should be.
// NOTE: We'll probably need an intermediate shader pass to translate them to RGB.
static const GLint swizzle_yuv_csc0[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_yvu_csc0[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_yuv_csc1[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_yvu_csc1[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };

// SceGxmTextureSwizzleYUV422Mode
// TODO I don't know what these should be.
// NOTE: We'll probably need an intermediate shader pass to translate them to RGB.
static const GLint swizzle_yuyv_csc0[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_yvyu_csc0[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_uyvy_csc0[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_vyuy_csc0[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_yuyv_csc1[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_yvyu_csc1[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_uyvy_csc1[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };
static const GLint swizzle_vyuy_csc1[4] = { GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA };

static const GLint *translate_swizzle(SceGxmTextureSwizzle1Mode mode) {
    switch (mode) {
    case SCE_GXM_TEXTURE_SWIZZLE1_R:
        return swizzle_r;
    case SCE_GXM_TEXTURE_SWIZZLE1_000R:
        return swizzle_000r;
    case SCE_GXM_TEXTURE_SWIZZLE1_111R:
        return swizzle_111r;
    case SCE_GXM_TEXTURE_SWIZZLE1_RRRR:
        return swizzle_rrrr;
    case SCE_GXM_TEXTURE_SWIZZLE1_0RRR:
        return swizzle_0rrr;
    case SCE_GXM_TEXTURE_SWIZZLE1_1RRR:
        return swizzle_1rrr;
    case SCE_GXM_TEXTURE_SWIZZLE1_R000:
        return swizzle_r000;
    case SCE_GXM_TEXTURE_SWIZZLE1_R111:
        return swizzle_r111;
    }

    return swizzle_r;
}

static const GLint *translate_swizzle(SceGxmTextureSwizzle2Mode mode) {
    switch (mode) {
    case SCE_GXM_TEXTURE_SWIZZLE2_GR:
        return swizzle_gr;
    case SCE_GXM_TEXTURE_SWIZZLE2_00GR:
        return swizzle_00gr;
    case SCE_GXM_TEXTURE_SWIZZLE2_GRRR:
        return swizzle_grrr;
    case SCE_GXM_TEXTURE_SWIZZLE2_RGGG:
        return swizzle_rggg;
    case SCE_GXM_TEXTURE_SWIZZLE2_GRGR:
        return swizzle_grgr;
    case SCE_GXM_TEXTURE_SWIZZLE2_00RG:
        return swizzle_00rg;
    }

    return swizzle_gr;
}

static const GLint *translate_swizzle(SceGxmTextureSwizzle2ModeAlt mode) {
    switch (mode) {
    case SCE_GXM_TEXTURE_SWIZZLE2_SD:
        return swizzle_sd;
    case SCE_GXM_TEXTURE_SWIZZLE2_DS:
        return swizzle_ds;
    }

    return swizzle_sd;
}

static const GLint *translate_swizzle(SceGxmTextureSwizzle3Mode mode) {
    switch (mode) {
    case SCE_GXM_TEXTURE_SWIZZLE3_BGR:
        return swizzle_bgr;
    case SCE_GXM_TEXTURE_SWIZZLE3_RGB:
        return swizzle_rgb;
    }

    return swizzle_bgr;
}

static const GLint *translate_swizzle(SceGxmTextureSwizzle4Mode mode) {
    switch (mode) {
    case SCE_GXM_TEXTURE_SWIZZLE4_ABGR:
        return swizzle_abgr;
    case SCE_GXM_TEXTURE_SWIZZLE4_ARGB:
        return swizzle_argb;
    case SCE_GXM_TEXTURE_SWIZZLE4_RGBA:
        return swizzle_rgba;
    case SCE_GXM_TEXTURE_SWIZZLE4_BGRA:
        return swizzle_bgra;
    case SCE_GXM_TEXTURE_SWIZZLE4_1BGR:
        return swizzle_1bgr;
    case SCE_GXM_TEXTURE_SWIZZLE4_1RGB:
        return swizzle_1rgb;
    case SCE_GXM_TEXTURE_SWIZZLE4_RGB1:
        return swizzle_1gba;
    case SCE_GXM_TEXTURE_SWIZZLE4_BGR1:
        return swizzle_1abg;
    }

    return swizzle_abgr;
}

static const GLint *translate_swizzle(SceGxmTextureSwizzleYUV420Mode mode) {
    switch (mode) {
    case SCE_GXM_TEXTURE_SWIZZLE_YUV_CSC0:
        return swizzle_yuv_csc0;
    case SCE_GXM_TEXTURE_SWIZZLE_YVU_CSC0:
        return swizzle_yvu_csc0;
    case SCE_GXM_TEXTURE_SWIZZLE_YUV_CSC1:
        return swizzle_yuv_csc1;
    case SCE_GXM_TEXTURE_SWIZZLE_YVU_CSC1:
        return swizzle_yvu_csc1;
    }

    return swizzle_yuv_csc0;
}

static const GLint *translate_swizzle(SceGxmTextureSwizzleYUV422Mode mode) {
    switch (mode) {
    case SCE_GXM_TEXTURE_SWIZZLE_YUYV_CSC0:
        return swizzle_yuyv_csc0;
    case SCE_GXM_TEXTURE_SWIZZLE_YVYU_CSC0:
        return swizzle_yvyu_csc0;
    case SCE_GXM_TEXTURE_SWIZZLE_UYVY_CSC0:
        return swizzle_uyvy_csc0;
    case SCE_GXM_TEXTURE_SWIZZLE_VYUY_CSC0:
        return swizzle_vyuy_csc0;
    case SCE_GXM_TEXTURE_SWIZZLE_YUYV_CSC1:
        return swizzle_yuyv_csc1;
    case SCE_GXM_TEXTURE_SWIZZLE_YVYU_CSC1:
        return swizzle_yvyu_csc1;
    case SCE_GXM_TEXTURE_SWIZZLE_UYVY_CSC1:
        return swizzle_uyvy_csc1;
    case SCE_GXM_TEXTURE_SWIZZLE_VYUY_CSC1:
        return swizzle_vyuy_csc1;
    }

    return swizzle_yuyv_csc0;
}

GLenum translate_internal_format(SceGxmTextureBaseFormat base_format) {
    switch (base_format) {
    // 1 Component.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8:
        return GL_R8;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8:
        return GL_R8_SNORM;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16:
        return GL_R16;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16:
        return GL_R16_SNORM;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16:
        return GL_R16F;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32M:
        return GL_R32F;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32:
        return GL_R32UI;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S32:
        return GL_R32I;

    // 2 components (red-green.)
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8:
        return GL_RG8;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8:
        return GL_RG8_SNORM;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16:
        return GL_RG16;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16:
        return GL_RG16_SNORM;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16:
        return GL_RG16F;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32F32:
        return GL_RG32F;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32U32:
        return GL_RG32UI;

    // 2 components (depth-stencil.)
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8U24:
        return GL_DEPTH_STENCIL;

    // 3 components.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U5U6U5:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S5S5U6:
        return GL_RGB565;
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8S8S8U8:
        return GL_RGB8;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8:
        return GL_RGB8;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8:
        return GL_RGB8_SNORM;

    case SCE_GXM_TEXTURE_BASE_FORMAT_F11F11F10:
        return GL_R11F_G11F_B10F;

    case SCE_GXM_TEXTURE_BASE_FORMAT_SE5M9M9M9:
        return GL_RGB16F;

    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P2:
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P3:
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV422:
        return GL_RGBA8;

    // 4 components.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U4U4U4U4:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U3U3U2:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U1U5U5U5:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8U8:
        return GL_RGBA;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8S8:
        return GL_RGBA8_SNORM;

    case SCE_GXM_TEXTURE_BASE_FORMAT_U2U10U10U10:
        return GL_RGB10_A2;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16F16F16:
        return GL_RGBA16F;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16U16U16:
        return GL_RGBA16;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16S16S16:
        return GL_RGBA16_SNORM;
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT2BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT4BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII2BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII4BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_P4:
    case SCE_GXM_TEXTURE_BASE_FORMAT_P8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U2F10F10F10:
        return GL_RGBA;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC1:
        return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC2:
        return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC3:
        return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC4:
        return GL_COMPRESSED_RED_RGTC1;

    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC4:
        return GL_COMPRESSED_SIGNED_RED_RGTC1;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC5:
        return GL_COMPRESSED_RG_RGTC2;

    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC5:
        return GL_COMPRESSED_SIGNED_RG_RGTC2;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC6H:
        return GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC6H:
        return GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC7:
        return GL_COMPRESSED_RGBA_BPTC_UNORM;

#define ASTC_FMT(b_x, b_y)                              \
    case SCE_GXM_TEXTURE_BASE_FORMAT_ASTC##b_x##x##b_y: \
        return GL_COMPRESSED_RGBA_ASTC_##b_x##x##b_y;

#include "../texture/astc_formats.inc"
#undef ASTC_FMT

    default:
        LOG_ERROR("Missing case texture base format {}, fallback to GL_RGBA", fmt::underlying(base_format));
        return GL_RGBA;
    }
}

GLenum translate_format(SceGxmTextureBaseFormat base_format) {
    switch (base_format) {
    // 1 Component.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32M:
        return GL_RED;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S32:
        return GL_RED_INTEGER;

    // 2 components (red-green.)
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16:
        return GL_RG;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32F32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32U32:
        return GL_RG_INTEGER;

    // 2 components (depth-stencil.)
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8U24:
        return GL_DEPTH_STENCIL;

    // 3 components.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U5U6U5:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S5S5U6:
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8S8S8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_SE5M9M9M9:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F11F11F10:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8:
        return GL_RGB;

    // 4 components.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U4U4U4U4:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U3U3U2:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U1U5U5U5:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8S8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U2U10U10U10:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16F16F16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16U16U16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16S16S16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT2BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT4BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII2BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII4BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_P4:
    case SCE_GXM_TEXTURE_BASE_FORMAT_P8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U2F10F10F10:
        return GL_RGBA;

    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P2:
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P3:
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV422:
        return GL_RGBA;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC1:
        return GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC2:
        return GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC3:
        return GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC4:
        return GL_COMPRESSED_RED_RGTC1;

    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC4:
        return GL_COMPRESSED_SIGNED_RED_RGTC1;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC5:
        return GL_COMPRESSED_RG_RGTC2;

    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC5:
        return GL_COMPRESSED_SIGNED_RG_RGTC2;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC6H:
        return GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC6H:
        return GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT;

    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC7:
        return GL_COMPRESSED_RGBA_BPTC_UNORM;

#define ASTC_FMT(b_x, b_y)                              \
    case SCE_GXM_TEXTURE_BASE_FORMAT_ASTC##b_x##x##b_y: \
        return GL_COMPRESSED_RGBA_ASTC_##b_x##x##b_y;

#include "../texture/astc_formats.inc"
#undef ASTC_FMT

    default:
        LOG_ERROR("Missing case texture base format {}, fallback to GL_RGBA", fmt::underlying(base_format));
        return GL_RGBA;
    }
}

GLenum translate_type(SceGxmTextureBaseFormat base_format) {
    switch (base_format) {
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U4U4U4U4:
        return GL_UNSIGNED_SHORT_4_4_4_4;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U3U3U2:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U1U5U5U5:
        return GL_UNSIGNED_SHORT_5_5_5_1;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U5U6U5:
        return GL_UNSIGNED_SHORT_5_6_5;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S5S5U6:
        LOG_WARN("Unhandled base format SCE_GXM_TEXTURE_BASE_FORMAT_S5S5U6");
        return GL_UNSIGNED_SHORT_5_6_5;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16:
        return GL_UNSIGNED_SHORT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16:
        return GL_SHORT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16:
        return GL_HALF_FLOAT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8U8:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8S8:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U2U10U10U10:
        return GL_UNSIGNED_INT_2_10_10_10_REV;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16:
        return GL_UNSIGNED_SHORT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16:
        return GL_SHORT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16:
        return GL_HALF_FLOAT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32M:
        return GL_FLOAT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8S8S8U8:
        LOG_WARN("Unhandled base format SCE_GXM_TEXTURE_BASE_FORMAT_X8S8S8U8");
        return GL_UNSIGNED_INT_8_8_8_8_REV;
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8U24:
        return GL_UNSIGNED_INT_24_8;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32:
        return GL_UNSIGNED_INT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S32:
        return GL_INT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_SE5M9M9M9:
        return GL_HALF_FLOAT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F11F11F10:
        return GL_UNSIGNED_INT_10F_11F_11F_REV;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16F16F16:
        return GL_HALF_FLOAT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16U16U16:
        return GL_UNSIGNED_SHORT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16S16S16:
        return GL_SHORT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32F32:
        return GL_FLOAT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32U32:
        return GL_UNSIGNED_INT;
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT2BPP:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT4BPP:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII2BPP:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII4BPP:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P2:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P3:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV422:
        LOG_WARN("Unhandled base format SCE_GXM_TEXTURE_BASE_FORMAT_YUV422");
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_P4:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_P8:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8:
        return GL_UNSIGNED_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8:
        return GL_BYTE;
    case SCE_GXM_TEXTURE_BASE_FORMAT_U2F10F10F10:
        LOG_WARN("Unhandled base format SCE_GXM_TEXTURE_BASE_FORMAT_U2F10F10F10");
        return GL_UNSIGNED_BYTE;

    default:
        LOG_WARN("Unhandled base format {}", log_hex(base_format));
        return GL_UNSIGNED_BYTE;
    }
}

const GLint *translate_swizzle(SceGxmTextureFormat fmt) {
    const SceGxmTextureBaseFormat base_format = gxm::get_base_format(fmt);
    const uint32_t swizzle = fmt & SCE_GXM_TEXTURE_SWIZZLE_MASK;
    switch (base_format) {
    // 1 Component.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32M:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC4:
    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC4:
        return translate_swizzle(static_cast<SceGxmTextureSwizzle1Mode>(swizzle));

    // 2 components (red-green.)
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F32F32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U32U32:
    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC5:
    case SCE_GXM_TEXTURE_BASE_FORMAT_SBC5:
        return translate_swizzle(static_cast<SceGxmTextureSwizzle2Mode>(swizzle));

    // 2 components (depth-stencil.)
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8U24:
        return translate_swizzle(static_cast<SceGxmTextureSwizzle2ModeAlt>(swizzle));

    // 3 components.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U5U6U5:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S5S5U6:
    case SCE_GXM_TEXTURE_BASE_FORMAT_X8S8S8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_SE5M9M9M9:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F11F11F10:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8:
        return translate_swizzle(static_cast<SceGxmTextureSwizzle3Mode>(swizzle));

    // 4 components.
    case SCE_GXM_TEXTURE_BASE_FORMAT_U4U4U4U4:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U3U3U2:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U1U5U5U5:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U8U8U8U8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S8S8S8S8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U2U10U10U10:
    case SCE_GXM_TEXTURE_BASE_FORMAT_F16F16F16F16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U16U16U16U16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_S16S16S16S16:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT2BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRT4BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII2BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_PVRTII4BPP:
    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC1:
    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC2:
    case SCE_GXM_TEXTURE_BASE_FORMAT_UBC3:
    case SCE_GXM_TEXTURE_BASE_FORMAT_P4:
    case SCE_GXM_TEXTURE_BASE_FORMAT_P8:
    case SCE_GXM_TEXTURE_BASE_FORMAT_U2F10F10F10:
        return translate_swizzle(static_cast<SceGxmTextureSwizzle4Mode>(swizzle));

    // YUV420.
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P2:
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV420P3:
        return translate_swizzle(static_cast<SceGxmTextureSwizzleYUV420Mode>(swizzle));

    // YUV422.
    case SCE_GXM_TEXTURE_BASE_FORMAT_YUV422:
        return translate_swizzle(static_cast<SceGxmTextureSwizzleYUV422Mode>(swizzle));

    default:
        LOG_WARN("Invalid base format {}", log_hex(base_format));
        return swizzle_abgr;
    }
}

GLenum translate_wrap_mode(SceGxmTextureAddrMode src) {
    switch (src) {
    case SCE_GXM_TEXTURE_ADDR_REPEAT:
        return GL_REPEAT;
    case SCE_GXM_TEXTURE_ADDR_MIRROR:
        return GL_MIRRORED_REPEAT;
    case SCE_GXM_TEXTURE_ADDR_CLAMP:
        return GL_CLAMP_TO_EDGE;
    case SCE_GXM_TEXTURE_ADDR_MIRROR_CLAMP:
        return GL_MIRROR_CLAMP_TO_EDGE;
    case SCE_GXM_TEXTURE_ADDR_REPEAT_IGNORE_BORDER:
        return GL_REPEAT; // FIXME: Is this correct?
    case SCE_GXM_TEXTURE_ADDR_CLAMP_FULL_BORDER:
        return GL_CLAMP_TO_BORDER;
    case SCE_GXM_TEXTURE_ADDR_CLAMP_IGNORE_BORDER:
        return GL_CLAMP_TO_BORDER; // FIXME: Is this correct?
    case SCE_GXM_TEXTURE_ADDR_CLAMP_HALF_BORDER:
        return GL_CLAMP_TO_BORDER; // FIXME: Is this correct?
    default:
        LOG_WARN("Unsupported texture wrap mode translated: {}", log_hex(src));
        return GL_CLAMP_TO_EDGE;
    }
}

GLenum translate_minmag_filter(SceGxmTextureFilter src) {
    switch (src) {
    case SCE_GXM_TEXTURE_FILTER_POINT:
        return GL_NEAREST;
    case SCE_GXM_TEXTURE_FILTER_LINEAR:
        return GL_LINEAR;
    // TODO support mipmap
    case SCE_GXM_TEXTURE_FILTER_MIPMAP_LINEAR:
        return GL_LINEAR;
    case SCE_GXM_TEXTURE_FILTER_MIPMAP_POINT:
        return GL_NEAREST;
    default:
        LOG_WARN("Unsupported texture min/mag filter translated: {}", log_hex(src));
        return GL_LINEAR;
    }
}

} // namespace renderer::gl::texture
