#!/bin/bash

cd /tmp

# Yosys

sudo apt install -y build-essential clang bison flex \
    libreadline-dev gawk tcl-dev libffi-dev git \
    graphviz xdot pkg-config python3 libboost-system-dev \
    libboost-python-dev libboost-filesystem-dev

git clone https://github.com/YosysHQ/yosys.git
cd yosys
make config-gcc
make -j4
sudo make install
cd ..

# IceStorm

sudo apt install -y build-essential clang bison flex libreadline-dev \
                     gawk tcl-dev libffi-dev git mercurial graphviz   \
                     xdot pkg-config python python3 libftdi-dev \
                     qt5-default python3-dev libboost-all-dev cmake

git clone https://github.com/cliffordwolf/icestorm.git icestorm
cd icestorm
make -j4
sudo make install
cd ..

# NextPNR

sudo apt install qt5-default libboost-dev libboost-filesystem-dev \
    libboost-thread-dev libboost-program-options-dev \
    libboost-python-dev libeigen3-dev

git clone https://github.com/YosysHQ/nextpnr.git
cd nextpnr

# We need to hack out references to OpenGL 3.2
git apply <<EOF
diff --git a/3rdparty/qtimgui/ImGuiRenderer.cpp b/3rdparty/qtimgui/ImGuiRenderer.cpp
index e77b47d..625ae7f 100644
--- a/3rdparty/qtimgui/ImGuiRenderer.cpp
+++ b/3rdparty/qtimgui/ImGuiRenderer.cpp
@@ -39,8 +39,8 @@ QByteArray g_currentClipboardText;
 void ImGuiRenderer::initialize(WindowWrapper *window) {
     m_window.reset(window);
     initializeOpenGLFunctions();
-    g_fun = new QOpenGLFunctions_3_2_Core();
-    g_fun->initializeOpenGLFunctions();
+//    g_fun = new QOpenGLFunctions_3_2_Core();
+//    g_fun->initializeOpenGLFunctions();

     ImGui::CreateContext();

@@ -117,7 +117,7 @@ void ImGuiRenderer::renderDrawList(ImDrawData *draw_data)
     glUseProgram(g_ShaderHandle);
     glUniform1i(g_AttribLocationTex, 0);
     glUniformMatrix4fv(g_AttribLocationProjMtx, 1, GL_FALSE, &ortho_projection[0][0]);
-    g_fun->glBindVertexArray(g_VaoHandle);
+    //g_fun->glBindVertexArray(g_VaoHandle);

     for (int n = 0; n < draw_data->CmdListsCount; n++)
     {
@@ -151,7 +151,7 @@ void ImGuiRenderer::renderDrawList(ImDrawData *draw_data)
     glUseProgram(last_program);
     glBindTexture(GL_TEXTURE_2D, last_texture);
     glActiveTexture(last_active_texture);
-    g_fun->glBindVertexArray(last_vertex_array);
+    //g_fun->glBindVertexArray(last_vertex_array);
     glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer);
     glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, last_element_array_buffer);
     glBlendEquationSeparate(last_blend_equation_rgb, last_blend_equation_alpha);
@@ -244,8 +244,8 @@ bool ImGuiRenderer::createDeviceObjects()
     glGenBuffers(1, &g_VboHandle);
     glGenBuffers(1, &g_ElementsHandle);

-    g_fun->glGenVertexArrays(1, &g_VaoHandle);
-    g_fun->glBindVertexArray(g_VaoHandle);
+    //g_fun->glGenVertexArrays(1, &g_VaoHandle);
+    //g_fun->glBindVertexArray(g_VaoHandle);
     glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle);
     glEnableVertexAttribArray(g_AttribLocationPosition);
     glEnableVertexAttribArray(g_AttribLocationUV);
@@ -262,7 +262,7 @@ bool ImGuiRenderer::createDeviceObjects()
     // Restore modified GL state
     glBindTexture(GL_TEXTURE_2D, last_texture);
     glBindBuffer(GL_ARRAY_BUFFER, last_array_buffer);
-    g_fun->glBindVertexArray(last_vertex_array);
+    //g_fun->glBindVertexArray(last_vertex_array);

     return true;
 }
diff --git a/3rdparty/qtimgui/ImGuiRenderer.h b/3rdparty/qtimgui/ImGuiRenderer.h
index 8962c07..9147991 100644
--- a/3rdparty/qtimgui/ImGuiRenderer.h
+++ b/3rdparty/qtimgui/ImGuiRenderer.h
@@ -54,7 +54,7 @@ private:
     int          g_AttribLocationTex = 0, g_AttribLocationProjMtx = 0;
     int          g_AttribLocationPosition = 0, g_AttribLocationUV = 0, g_AttribLocationColor = 0;
     unsigned int g_VboHandle = 0, g_VaoHandle = 0, g_ElementsHandle = 0;
-    QOpenGLFunctions_3_2_Core *g_fun = nullptr;
+//    QOpenGLFunctions_3_2_Core *g_fun = nullptr;
 };

 }
EOF

cmake -DARCH=ice40 .
make -j4
sudo make install
cd ..

# Build an example design :)

git clone https://github.com/Wren6991/RISCBoy.git riscboy
cd riscboy
source sourceme
cd synth
make -f HX8k-EVN.mk bit