mirror of
https://github.com/bradgrantham/apple2e.git
synced 2025-03-12 03:33:48 +00:00
Port to Linux and fix gcc warnings
Introduce GLEW for GL extension management Fix warnings about "&" used in logical-AND with precedence likely not matching programmer's intent Fix a GL shader type incompatibility uint vs int in lores shader Add Makefile.linux
This commit is contained in:
Brad Grantham
parent
6745843b0c
commit
3dbc37ba35
16
Makefile.linux
Normal file
16
Makefile.linux
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@ -0,0 +1,16 @@
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INCFLAGS += -I/opt/local/include
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CXXFLAGS += $(INCFLAGS) -g -Wall --std=c++11 -O2
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LDFLAGS += -L/opt/local/lib
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LDLIBS += -lglfw -lao -lGL -lGLEW
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OBJECTS = apple2e.o dis6502.o fake6502.o interface.o
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# keyboard.o
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all: apple2e
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apple2e: $(OBJECTS)
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$(CXX) $(CXXFLAGS) $(LDFLAGS) $^ -o $@ $(LDLIBS)
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clean:
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rm $(OBJECTS)
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@ -10,6 +10,7 @@
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#include <deque>
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#include <map>
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#include <thread>
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#include <functional>
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#include <signal.h>
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@ -7,6 +7,10 @@
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#include <chrono>
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#include <iostream>
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#include <map>
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#include <memory>
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#include <functional>
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#include <cstring>
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#include <cassert>
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#include <ao/ao.h>
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// implicit centering in widget? Or special centering widget?
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@ -15,6 +19,10 @@
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// hbox
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// what is window resize / shrink policy?
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#if defined(__linux__)
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#include <GL/glew.h>
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#endif // defined(__linux__)
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#define GLFW_INCLUDE_GLCOREARB
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#include <GLFW/glfw3.h>
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@ -398,6 +406,7 @@ static const char *text_vertex_shader = "\n\
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// 224-255 is normal 64-95
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static const char *text_fragment_shader = "\n\
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precision highp float;\n\
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in vec2 raster_coords;\n\
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uniform int blink;\n\
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uniform vec4 foreground;\n\
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@ -517,52 +526,52 @@ static const char *lores_fragment_shader = "\n\
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else\n\
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lorespixel = byte / 16u;\n\
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switch(lorespixel) {\n\
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case 0:\n\
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case 0u:\n\
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color = vec4(0, 0, 0, 1);\n\
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break;\n\
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case 1:\n\
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case 1u:\n\
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color = vec4(227.0/255.0, 30.0/255.0, 96.0/255.0, 1);\n\
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break;\n\
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case 2:\n\
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case 2u:\n\
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color = vec4(96.0/255.0, 78.0/255.0, 189.0/255.0, 1);\n\
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break;\n\
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case 3:\n\
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case 3u:\n\
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color = vec4(255.0/255.0, 68.0/255.0, 253.0/255.0, 1);\n\
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break;\n\
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case 4:\n\
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case 4u:\n\
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color = vec4(9.0/255.0, 163.0/255.0, 96.0/255.0, 1);\n\
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break;\n\
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case 5:\n\
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case 5u:\n\
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color = vec4(156.0/255.0, 156.0/255.0, 156.0/255.0, 1);\n\
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break;\n\
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case 6:\n\
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case 6u:\n\
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color = vec4(20.0/255.0, 207.0/255.0, 253.0/255.0, 1);\n\
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break;\n\
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case 7:\n\
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case 7u:\n\
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color = vec4(208.0/255.0, 195.0/255.0, 255.0/255.0, 1);\n\
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break;\n\
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case 8:\n\
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case 8u:\n\
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color = vec4(96.0/255.0, 114.0/255.0, 3.0/255.0, 1);\n\
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break;\n\
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case 9:\n\
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case 9u:\n\
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color = vec4(255.0/255.0, 106.0/255.0, 60.0/255.0, 1);\n\
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break;\n\
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case 10:\n\
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case 10u:\n\
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color = vec4(156.0/255.0, 156.0/255.0, 156.0/255.0, 1);\n\
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break;\n\
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case 11:\n\
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case 11u:\n\
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color = vec4(255.0/255.0, 160.0/255.0, 208.0/255.0, 1);\n\
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break;\n\
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case 12:\n\
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case 12u:\n\
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color = vec4(20.0/255.0, 245.0/255.0, 60.0/255.0, 1);\n\
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break;\n\
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case 13:\n\
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case 13u:\n\
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color = vec4(208.0/255.0, 221.0/255.0, 141.0/255.0, 1);\n\
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break;\n\
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case 14:\n\
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case 14u:\n\
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color = vec4(114.0/255.0, 255.0/255.0, 208.0/255.0, 1);\n\
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break;\n\
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case 15:\n\
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case 15u:\n\
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color = vec4(255.0/255.0, 255.0/255.0, 255.0/255.0, 1);\n\
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break;\n\
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}\n\
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@ -1076,7 +1085,7 @@ struct apple2screen : public widget
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{
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float w, h;
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tie(w, h) = get_min_dimensions();
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if(x >= 0 && y >= 0 & x < w && y < h) {
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if(x >= 0 && y >= 0 && x < w && y < h) {
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if(!use_joystick)
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paddle_buttons[0] = true;
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return true;
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@ -1113,7 +1122,7 @@ struct apple2screen : public widget
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// insert
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float w, h;
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tie(w, h) = get_min_dimensions();
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if(x >= 0 && y >= 0 & x < w && y < h) {
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if(x >= 0 && y >= 0 && x < w && y < h) {
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FILE *fp = fopen(paths[0], "r");
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fseek(fp, 0, SEEK_END);
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long length = ftell(fp);
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@ -1172,7 +1181,7 @@ struct text_widget : public widget
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set(bg, 0, 0, 0, 0);
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// construct string texture
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auto_ptr<unsigned char> bytes(new unsigned char[content.size() + 1]);
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unique_ptr<unsigned char> bytes(new unsigned char[content.size() + 1]);
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int i = 0;
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for(auto c : content) {
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if(c >= ' ' && c <= '?')
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@ -1238,7 +1247,7 @@ struct momentary : public text_widget
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{
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float w, h;
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tie(w, h) = get_min_dimensions();
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if(x >= 0 && y >= 0 & x < w && y < h) {
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if(x >= 0 && y >= 0 && x < w && y < h) {
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on = true;
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set(fg, 0, 0, 0, 1);
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set(bg, 1, 1, 1, 1);
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@ -1251,7 +1260,7 @@ struct momentary : public text_widget
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{
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float w, h;
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tie(w, h) = get_min_dimensions();
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on = (x >= 0 && y >= 0 & x < w && y < h);
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on = (x >= 0 && y >= 0 && x < w && y < h);
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if(on) {
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set(fg, 0, 0, 0, 1);
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set(bg, 1, 1, 1, 1);
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@ -1311,7 +1320,7 @@ struct toggle : public text_widget
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{
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float w, h;
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tie(w, h) = get_min_dimensions();
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if(x >= 0 && y >= 0 & x < w && y < h) {
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if(x >= 0 && y >= 0 && x < w && y < h) {
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if(on) {
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set(fg, 0, 0, 0, 1);
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set(bg, 1, 1, 1, 1);
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@ -1328,7 +1337,7 @@ struct toggle : public text_widget
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{
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float w, h;
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tie(w, h) = get_min_dimensions();
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if(x >= 0 && y >= 0 & x < w && y < h) {
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if(x >= 0 && y >= 0 && x < w && y < h) {
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if(on) {
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set(fg, 0, 0, 0, 1);
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set(bg, 1, 1, 1, 1);
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@ -1367,6 +1376,9 @@ toggle *caps_toggle;
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void initialize_gl(void)
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{
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#if defined(__linux__)
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glewInit();
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#endif // defined(__linux__)
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GLuint va;
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glGenVertexArrays(1, &va);
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glBindVertexArray(va);
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@ -1384,6 +1396,7 @@ void initialize_gl(void)
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CheckOpenGL(__FILE__, __LINE__);
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image_program = GenerateProgram("image", hires_vertex_shader, image_fragment_shader);
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assert(image_program != 0);
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image_texture_location = glGetUniformLocation(image_program, "image");
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image_texture_coord_scale_location = glGetUniformLocation(image_program, "image_coord_scale");
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image_to_screen_location = glGetUniformLocation(image_program, "to_screen");
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@ -1391,6 +1404,7 @@ void initialize_gl(void)
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image_y_offset_location = glGetUniformLocation(image_program, "y_offset");
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hires_program = GenerateProgram("hires", hires_vertex_shader, hires_fragment_shader);
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assert(hires_program != 0);
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hires_texture_location = glGetUniformLocation(hires_program, "hires_texture");
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hires_texture_coord_scale_location = glGetUniformLocation(hires_program, "hires_texture_coord_scale");
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hires_to_screen_location = glGetUniformLocation(hires_program, "to_screen");
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@ -1398,6 +1412,7 @@ void initialize_gl(void)
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hires_y_offset_location = glGetUniformLocation(hires_program, "y_offset");
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hirescolor_program = GenerateProgram("hirescolor", hires_vertex_shader, hirescolor_fragment_shader);
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assert(hirescolor_program != 0);
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hirescolor_texture_location = glGetUniformLocation(hirescolor_program, "hires_texture");
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hirescolor_texture_coord_scale_location = glGetUniformLocation(hirescolor_program, "hires_texture_coord_scale");
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hirescolor_to_screen_location = glGetUniformLocation(hirescolor_program, "to_screen");
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@ -1405,6 +1420,7 @@ void initialize_gl(void)
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hirescolor_y_offset_location = glGetUniformLocation(hirescolor_program, "y_offset");
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text_program = GenerateProgram("textport", text_vertex_shader, text_fragment_shader);
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assert(text_program != 0);
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textport_texture_location = glGetUniformLocation(text_program, "textport_texture");
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textport_texture_coord_scale_location = glGetUniformLocation(text_program, "textport_texture_coord_scale");
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textport_font_texture_location = glGetUniformLocation(text_program, "font_texture");
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@ -1418,6 +1434,7 @@ void initialize_gl(void)
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CheckOpenGL(__FILE__, __LINE__);
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text80_program = GenerateProgram("textport80", text_vertex_shader, text80_fragment_shader);
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assert(text80_program != 0);
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textport80_texture_location = glGetUniformLocation(text80_program, "textport_texture");
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textport80_texture_coord_scale_location = glGetUniformLocation(text80_program, "textport_texture_coord_scale");
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textport80_aux_texture_location = glGetUniformLocation(text80_program, "textport_aux_texture");
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@ -1431,7 +1448,8 @@ void initialize_gl(void)
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textport80_font_texture_coord_scale_location = glGetUniformLocation(text80_program, "font_texture_coord_scale");
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CheckOpenGL(__FILE__, __LINE__);
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lores_program = GenerateProgram("textport", text_vertex_shader, lores_fragment_shader);
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lores_program = GenerateProgram("lores", text_vertex_shader, lores_fragment_shader);
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assert(lores_program != 0);
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lores_texture_location = glGetUniformLocation(lores_program, "lores_texture");
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lores_texture_coord_scale_location = glGetUniformLocation(lores_program, "lores_texture_coord_scale");
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lores_x_offset_location = glGetUniformLocation(lores_program, "x_offset");
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@ -1555,7 +1573,7 @@ struct floppy_icon : public widget
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{
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float w, h;
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tie(w, h) = get_min_dimensions();
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if(x >= 0 && y >= 0 & x < w && y < h)
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if(x >= 0 && y >= 0 && x < w && y < h)
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return true;
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return false;
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}
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@ -1577,7 +1595,7 @@ struct floppy_icon : public widget
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// insert
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float w, h;
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tie(w, h) = get_min_dimensions();
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if(x >= 0 && y >= 0 & x < w && y < h) {
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if(x >= 0 && y >= 0 && x < w && y < h) {
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event_queue.push_back({INSERT_FLOPPY, number, strdup(paths[0])});
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switched->which = 1;
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return true;
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@ -1779,11 +1797,6 @@ static void motion(GLFWwindow *window, double x, double y)
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chrono::time_point<chrono::system_clock> now = std::chrono::system_clock::now();
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chrono::duration<double> elapsed = now - start_time;
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double dx, dy;
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dx = x - gOldMouseX;
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dy = y - gOldMouseY;
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gOldMouseX = x;
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gOldMouseY = y;
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