Apple-2-Tools/bradgrantham-apple2e
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This commit is contained in:
Brad Grantham 2016-11-18 23:55:28 -08:00
parent dc48acbb32
commit 7192c35a42
1 changed files with 23 additions and 3 deletions
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26
interface.cpp
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@ -3,6 +3,8 @@
#include <cctype>
#include <deque>
#include <string>
#include <chrono>
#include <iostream>
#define GLFW_INCLUDE_GLCOREARB
#include <GLFW/glfw3.h>
@ -15,6 +17,8 @@ using namespace std;
namespace APPLE2Einterface
{
chrono::time_point<chrono::system_clock> start_time;
DisplayMode mode = TEXT;
int display_page = 0; // Apple //e page minus 1 (so 0,1 not 1,2)
bool mixed_mode = false;
@ -60,6 +64,7 @@ const int fonttexture_w = 7;
const int fonttexture_h = 8 * 96;
GLuint textport_texture[2];
GLuint textport_texture_location;
GLuint blink_location;
GLuint lores_texture_location;
const int textport_w = 40;
const int textport_h = 24;
@ -186,6 +191,7 @@ static const char *hires_fragment_shader = "\n\
static const char *text_fragment_shader = "\n\
in vec2 raster_coords;\n\
in vec2 text_coords;\n\
uniform int blink;\n\
uniform usampler2DRect font_texture;\n\
uniform usampler2DRect textport_texture;\n\
\n\
@ -202,11 +208,13 @@ static const char *text_fragment_shader = "\n\
} else if(character >= 32u && character <= 63u) {\n\
character = character - 32u + 0u;\n\
inverse = true;\n\
} else if(character >= 64u && character <= 95u)\n\
} else if(character >= 64u && character <= 95u) {\n\
character = character - 64u + 32u; // XXX BLINK \n\
else if(character >= 96u && character <= 127u)\n\
inverse = blink == 0;\n\
} else if(character >= 96u && character <= 127u){\n\
character = character - 96u + 0u; // XXX BLINK \n\
else if(character >= 128u && character <= 159u)\n\
inverse = blink == 0;\n\
} else if(character >= 128u && character <= 159u)\n\
character = character - 128u + 32u;\n\
else if(character >= 160u && character <= 191u)\n\
character = character - 160u + 0u;\n\
@ -424,6 +432,7 @@ void initialize_gl(void)
text_program = GenerateProgram("textport", text_vertex_shader, text_fragment_shader);
textport_texture_location = glGetUniformLocation(text_program, "textport_texture");
font_texture_location = glGetUniformLocation(text_program, "font_texture");
blink_location = glGetUniformLocation(text_program, "blink");
CheckOpenGL(__FILE__, __LINE__);
lores_program = GenerateProgram("textport", text_vertex_shader, lores_fragment_shader);
@ -438,6 +447,11 @@ unsigned char textport[2][24][40];
static void redraw(GLFWwindow *window)
{
chrono::time_point<chrono::system_clock> now;
now = std::chrono::system_clock::now();
auto elapsed_millis = chrono::duration_cast<chrono::milliseconds>(now - start_time).count();
CheckOpenGL(__FILE__, __LINE__);
if(0) if(mode == TEXT) {
@ -479,6 +493,7 @@ static void redraw(GLFWwindow *window)
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_RECTANGLE, font_texture);
glUniform1i(font_texture_location, 1);
glUniform1i(blink_location, (elapsed_millis / 250) % 2);
}
// bind upper shader
@ -497,6 +512,10 @@ static void redraw(GLFWwindow *window)
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_RECTANGLE, font_texture);
glUniform1i(font_texture_location, 1);
cout << elapsed_millis << endl;
cout << elapsed_millis /1870 << endl;
cout << (elapsed_millis /1870) % 2 << endl;
glUniform1i(blink_location, (elapsed_millis / 1870) % 2);
} else if(mode == LORES) {
@ -592,6 +611,7 @@ const int pixel_scale = 3;
void start()
{
glfwSetErrorCallback(error_callback);
start_time = std::chrono::system_clock::now();
if(!glfwInit())
exit(EXIT_FAILURE);