compiles (but does not work yet)

CMakeLists.txt

@@ -26,6 +26,7 @@ set_target_properties(${PROJECT_NAME} PROPERTIES COMPILE_FLAGS "-m32" LINK_FLAGS
 
 target_include_directories(${PROJECT_NAME} PRIVATE 
     $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include/glez>
     $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/ftgl>
     $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/pngpp>
     $<BUILD_INTERFACE:${FREETYPE_INCLUDE_DIRS}>
@@ -41,7 +42,7 @@ target_compile_definitions(${PROJECT_NAME} PRIVATE ${PNG_DEFINITIONS})
 
 target_link_libraries(${PROJECT_NAME} ${FREETYPE_LIBRARIES} ${PNG_LIBRARIES} ${GLEW_LIBRARIES})
 
-add_subdirectory(include)
+add_subdirectory(include/glez)
 add_subdirectory(src)
 add_subdirectory(ftgl)
 

include/CMakeLists.txt

@@ -1,5 +0,0 @@
-target_sources(glez PRIVATE
-        "${CMAKE_CURRENT_LIST_DIR}/glez.h")
-        
-add_subdirectory(internal)
-add_subdirectory(glez)

include/glez.h

@@ -1,117 +0,0 @@
-/*
- * glez.h
- *
- *  Created on: Dec 7, 2017
- *      Author: nullifiedcat
- */
-
-#pragma once
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-/* Types */
-
-typedef struct glez_vec4_s
-{
-    union {
-        float data[4];
-        struct
-        {
-            float r;
-            float g;
-            float b;
-            float a;
-        };
-        struct
-        {
-            float x;
-            float y;
-            float z;
-            float w;
-        };
-    };
-} glez_vec4_t, glez_rgba_t;
-
-typedef unsigned int glez_texture_t;
-typedef unsigned int glez_font_t;
-
-/* State functions */
-
-void glez_init(int width, int height);
-
-void glez_shutdown();
-
-void glez_begin();
-
-void glez_end();
-
-void glez_resize(int width, int height);
-
-/* Helper functions */
-
-static inline glez_rgba_t glez_rgba(unsigned char r, unsigned char g,
-                                    unsigned char b, unsigned char a)
-{
-    glez_rgba_t result;
-    result.r = (float) r / 255.0f;
-    result.g = (float) g / 255.0f;
-    result.b = (float) b / 255.0f;
-    result.a = (float) a / 255.0f;
-    return result;
-}
-
-/* Font-related functions */
-
-#define GLEZ_FONT_COUNT 64
-#define GLEZ_FONT_INVALID ((glez_font_t) 0xFFFFFFFF)
-
-glez_font_t glez_font_load(const char *path, float size);
-
-void glez_font_unload(glez_font_t handle);
-
-void glez_font_string_size(glez_font_t font, const char *string, float *out_x,
-                           float *out_y);
-
-/* Texture-related functions */
-
-#define GLEZ_TEXTURE_COUNT 64
-#define GLEZ_TEXTURE_INVALID ((glez_texture_t) 0xFFFFFFFF)
-
-glez_texture_t glez_texture_load_png_rgba(const char *path);
-
-void glez_texture_unload(glez_texture_t handle);
-
-void glez_texture_size(glez_texture_t handle, int *width, int *height);
-
-/* Drawing functions */
-
-void glez_line(float x, float y, float dx, float dy, glez_rgba_t color,
-               float thickness);
-
-void glez_rect(float x, float y, float w, float h, glez_rgba_t color);
-
-void glez_rect_outline(float x, float y, float w, float h, glez_rgba_t color,
-                       float thickness);
-
-void glez_rect_textured(float x, float y, float w, float h, glez_rgba_t color,
-                        glez_texture_t texture, float tx, float ty, float tw,
-                        float th, float angle);
-
-void glez_string(float x, float y, const char *string, glez_font_t font,
-                 glez_rgba_t color, float *out_x, float *out_y);
-
-void glez_string_with_outline(float x, float y, const char *string,
-                              glez_font_t font, glez_rgba_t color,
-                              glez_rgba_t outline_color, float outline_width,
-                              int adjust_outline_alpha, float *out_x,
-                              float *out_y);
-
-void glez_circle(float x, float y, float radius, glez_rgba_t color,
-                 float thickness, int steps);
-
-#ifdef __cplusplus
-}
-#endif

include/glez/CMakeLists.txt

@@ -1,5 +1,8 @@
 target_sources(glez PRIVATE
         "${CMAKE_CURRENT_LIST_DIR}/glez.hpp"
-        "${CMAKE_CURRENT_LIST_DIR}/types.hpp")
+        "${CMAKE_CURRENT_LIST_DIR}/types.hpp"
+        "${CMAKE_CURRENT_LIST_DIR}/font.hpp"
+        "${CMAKE_CURRENT_LIST_DIR}/texture.hpp"
+        "${CMAKE_CURRENT_LIST_DIR}/draw.hpp")
 
 add_subdirectory(detail)

include/glez/detail/builder.hpp

@@ -0,0 +1,31 @@
+/*
+  Created by Jenny White on 30.04.18.
+  Copyright (c) 2018 nullworks. All rights reserved.
+*/
+
+#pragma once
+
+#include <vector>
+#include "render.hpp"
+
+namespace glez::detail::builder
+{
+
+class Builder
+{
+public:
+    Builder(int mode, GLuint texture);
+
+    Builder& setColor(types::rgba color);
+
+    Builder& push(float x, float y, float u, float v);
+    Builder& push(float x, float y);
+protected:
+    types::rgba color;
+
+    GLuint texture{ 0 };
+    int mode{ 0 };
+    std::vector<render::vertex> vertices{};
+};
+
+}

include/glez/detail/texture.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include <GL/gl.h>
+#include <freetype-gl.h>
 #include <string>
 #include <limits>
 #include <glez/types.hpp>

include/glez/draw.hpp

@@ -0,0 +1,22 @@
+/*
+  Created by Jenny White on 30.04.18.
+  Copyright (c) 2018 nullworks. All rights reserved.
+*/
+
+#pragma once
+
+#include <string>
+#include "types.hpp"
+
+namespace glez::draw
+{
+
+void line(int x, int y, int dx, int dy, types::rgba color, int thickness);
+void rect(int x, int y, int w, int h, types::rgba color);
+void rect_outline(int x, int y, int w, int h, types::rgba color, int thickness);
+void circle(int x, int y, int radius, types::rgba color, int thickness, int steps);
+
+void string(int x, int y, const std::string& string, types::handle_type font, types::rgba color, int *width, int *height);
+void outlined_string(int x, int y, const std::string& string, types::handle_type font, types::rgba color, types::rgba outline, int *width, int *height);
+
+}

include/glez/glez.hpp

@@ -5,14 +5,9 @@
 
 #pragma once
 
-#include <string>
-
 namespace glez
 {
 
-constexpr unsigned max_textures = 32;
-constexpr unsigned max_fonts = 32;
-
 void init(int width, int height);
 void shutdown();
 
@@ -21,16 +16,4 @@ void resize(int width, int height);
 void begin();
 void end();
 
-namespace draw
-{
-
-void line(int x, int y, int dx, int dy, int color, int thickness);
-void rect(int x, int y, int w, int h, int color);
-void rect_outline(int x, int y, int w, int h, int color, int thickness);
-void circle(int x, int y, int radius, int color, int thickness, int steps);
-
-void string(int x, int y, const std::string& string, int color, int *width, int *height);
-void outlined_string(int x, int y, const std::string& string, int color, int *width, int *height);
-
-}
 };

include/glez/types.hpp

@@ -25,6 +25,17 @@ struct rgba
     };
 };
 
+struct cached_shape
+{
+private:
+    cached_shape();
+public:
+    ~cached_shape();
+
+    const unsigned texture;
+    const void *const data;
+};
+
 using handle_type = unsigned;
 constexpr handle_type undefined = std::numeric_limits<handle_type>::max();
 

include/internal/CMakeLists.txt

@@ -1,5 +0,0 @@
-target_sources(glez PRIVATE
-        "${CMAKE_CURRENT_LIST_DIR}/draw.h"
-        "${CMAKE_CURRENT_LIST_DIR}/fonts.h"
-        "${CMAKE_CURRENT_LIST_DIR}/program.h"
-        "${CMAKE_CURRENT_LIST_DIR}/textures.h")

include/internal/draw.h

@@ -1,37 +0,0 @@
-/*
- * draw.h
- *
- *  Created on: Dec 7, 2017
- *      Author: nullifiedcat
- */
-
-#pragma once
-
-#include "glez.h"
-
-#include <vec234.h>
-
-struct vertex_main
-{
-    vec2 position;
-    vec2 tex_coords;
-    glez_rgba_t color;
-    int mode;
-};
-
-struct draw_state
-{
-    char dirty;
-    GLuint texture;
-    glez_font_t font;
-} ds;
-
-void ds_init();
-
-void ds_destroy();
-
-void ds_pre_render();
-
-void ds_post_render();
-
-void ds_bind_texture(GLuint texture);

include/internal/fonts.h

@@ -1,26 +0,0 @@
-/*
- * fonts.h
- *
- *  Created on: Dec 7, 2017
- *      Author: nullifiedcat
- */
-
-#pragma once
-
-#include "glez.h"
-
-#include "freetype-gl.h"
-
-typedef struct internal_font_s
-{
-    int init;
-
-    texture_font_t *font;
-    texture_atlas_t *atlas;
-} internal_font_t;
-
-texture_font_t *internal_font_get(glez_font_t handle);
-
-void internal_fonts_init();
-
-void internal_fonts_destroy();

include/internal/program.h

@@ -1,29 +0,0 @@
-#pragma once
-
-#include <vertex-buffer.h>
-
-enum
-{
-    DRAW_MODE_PLAIN = 1,
-    DRAW_MODE_TEXTURED,
-    DRAW_MODE_FREETYPE
-};
-
-struct program_t
-{
-    char shader_active;
-    unsigned shader;
-    vertex_buffer_t *buffer;
-};
-
-struct program_t program;
-
-void shader_screen_size(int width, int height);
-
-void program_init(int width, int height);
-
-void program_draw();
-
-void program_reset();
-
-unsigned program_next_index();

include/internal/textures.h

@@ -1,34 +0,0 @@
-/*
- * textures.h
- *
- *  Created on: Dec 7, 2017
- *      Author: nullifiedcat
- */
-
-#pragma once
-
-#include <GL/gl.h>
-
-typedef struct internal_texture_s
-{
-    char bound;
-    char init;
-
-    int width;
-    int height;
-
-    GLuint texture_id;
-    char filename[256];
-
-    GLubyte *data;
-} internal_texture_t;
-
-void internal_textures_init();
-
-void internal_textures_destroy();
-
-int internal_texture_load_png_rgba(const char *name, internal_texture_t *out);
-
-internal_texture_t *internal_texture_get(glez_texture_t handle);
-
-void internal_texture_bind(glez_texture_t handle);

src/CMakeLists.txt

@@ -1,7 +1,5 @@
 target_sources(glez PRIVATE
-        "${CMAKE_CURRENT_LIST_DIR}/glez.c"
-        "${CMAKE_CURRENT_LIST_DIR}/program.c"
-
+        "${CMAKE_CURRENT_LIST_DIR}/draw.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/glez.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/font.cpp"
         "${CMAKE_CURRENT_LIST_DIR}/texture.cpp")

src/detail/font.cpp

@@ -85,7 +85,7 @@ glez::types::handle_type create()
 
 font &get(glez::types::handle_type handle)
 {
-    return <#initializer#>;
+    return cache->at(0);
 }
 
 }

src/detail/program.cpp

@@ -116,7 +116,7 @@ void init(int width, int height)
     shader = link(compile(shader_vertex, GL_VERTEX_SHADER), compile(shader_fragment, GL_FRAGMENT_SHADER));
 
 
-    ftgl::mat4 model, view;
+    mat4 model, view;
 
     mat4_set_identity(&model);
     mat4_set_identity(&view);
@@ -136,16 +136,6 @@ void shutdown()
     glDeleteProgram(shader);
 }
 
-void resize(int width, int height)
-{
-    glUseProgram(shader);
-    ftgl::mat4 projection;
-    ftgl::mat4_set_identity(&projection);
-    ftgl::mat4_set_orthographic(&projection, 0, width, height, 0, -1, 1);
-    glUniformMatrix4fv(glGetUniformLocation(shader, "projection"), 1, 0, projection.data);
-    glUseProgram(0);
-}
-
 void draw()
 {
     glUseProgram(shader);

src/detail/texture.cpp

@@ -6,7 +6,6 @@
 #include <glez/detail/texture.hpp>
 #include <glez/detail/render.hpp>
 #include <cassert>
-#include <glez/glez.hpp>
 #include <vector>
 #include <png.hpp>
 #include <memory>

src/draw.cpp

@@ -0,0 +1,48 @@
+/*
+  Created by Jenny White on 30.04.18.
+  Copyright (c) 2018 nullworks. All rights reserved.
+*/
+
+#include <glez/draw.hpp>
+#include <GL/gl.h>
+
+namespace glez::draw
+{
+
+
+void line(int x, int y, int dx, int dy, types::rgba color, int thickness)
+{
+
+}
+
+void rect(int x, int y, int w, int h, types::rgba color)
+{
+
+}
+
+void rect_outline(int x, int y, int w, int h, types::rgba color, int thickness)
+{
+
+}
+
+void circle(int x, int y, int radius, types::rgba color, int thickness,
+                  int steps)
+{
+
+}
+
+void string(int x, int y, const std::string &string, types::handle_type font,
+             types::rgba color, int *width, int *height)
+{
+
+}
+
+void outlined_string(int x, int y, const std::string &string,
+                           types::handle_type font, types::rgba color,
+                           types::rgba outline, int *width, int *height)
+{
+
+}
+
+
+}

src/glez.c

@@ -16,38 +16,6 @@
 #include <math.h>
 #include <string.h>
 
-/* State functions */
-
-void glez_init(int width, int height)
-{
-    ds_init();
-    program_init(width, height);
-    internal_fonts_init();
-    internal_textures_init();
-}
-
-void glez_shutdown()
-{
-    ds_destroy();
-    internal_fonts_destroy();
-    internal_textures_destroy();
-}
-
-void glez_begin()
-{
-    ds_pre_render();
-}
-
-void glez_end()
-{
-    ds_post_render();
-}
-
-void glez_resize(int width, int height)
-{
-    shader_screen_size(width, height);
-}
-
 /* Drawing functions */
 
 void glez_line(float x, float y, float dx, float dy, glez_rgba_t color,

src/program.c

@@ -1,142 +0,0 @@
-#include <GL/glew.h>
-#include <GL/gl.h>
-
-#include <assert.h>
-#include <stdio.h>
-
-#include <mat4.h>
-
-#include "internal/program.h"
-
-GLuint compile_shader(const char *source, GLenum type)
-{
-    GLint status;
-    GLuint shader = glCreateShader(type);
-
-    glShaderSource(shader, 1, &source, 0);
-    glCompileShader(shader);
-    glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
-
-    if (status != GL_TRUE)
-	{
-    	char infolog[512];
-    	GLsizei length;
-    	glGetShaderInfoLog(shader, 512, &length, infolog);
-    	fprintf(stderr, "GLEZ: Shader compile error: %s\n", infolog);
-    	assert(status == GL_TRUE);
-	}
-
-    return shader;
-}
-
-const char *shader_ultimate_vert =
-    "#version 130\n"
-    "\n"
-    "uniform mat4 model;\n"
-    "uniform mat4 view;\n"
-    "uniform mat4 projection;\n"
-    "in vec2 vertex;\n"
-    "in vec2 tex_coord;\n"
-    "in vec4 color;\n"
-    "in int drawmode;\n"
-    "flat out int frag_DrawMode;\n"
-    "out vec4 frag_Color;\n"
-    "out vec2 frag_TexCoord;\n"
-    "void main()\n"
-    "{\n"
-    "    frag_TexCoord = tex_coord;\n"
-    "    frag_Color    = color;\n"
-    "    gl_Position   = projection*(view*(model*(vec4(vertex,0.0,1.0))));\n"
-    "    frag_DrawMode = drawmode;\n"
-    "}";
-const char *shader_ultimate_frag =
-    "#version 130\n"
-    "\n"
-    "uniform sampler2D texture;\n"
-    "in vec4 frag_Color;\n"
-    "in vec2 frag_TexCoord;\n"
-    "flat in int frag_DrawMode;\n"
-    "void main()\n"
-    "{\n"
-    "   if (frag_DrawMode == 1)\n"
-    "       gl_FragColor = frag_Color;\n"
-    "   else\n"
-    "   {\n"
-    "       vec4 tex = texture2D(texture, frag_TexCoord);\n"
-    "       if (frag_DrawMode == 2)\n"
-    "           gl_FragColor = frag_Color * tex;\n"
-    "       else if (frag_DrawMode == 3)\n"
-    "       {\n"
-    "           gl_FragColor = vec4(frag_Color.rgb, frag_Color.a * tex.r);\n"
-    "       }\n"
-    "       else\n"
-    "           gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);\n"
-    "    }\n"
-    "}";
-
-void shader_screen_size(int width, int height)
-{
-    glUseProgram(program.shader);
-    mat4 projection;
-    mat4_set_identity(&projection);
-    mat4_set_orthographic(&projection, 0, width, height, 0, -1, 1);
-    glUniformMatrix4fv(glGetUniformLocation(program.shader, "projection"), 1, 0,
-                       projection.data);
-    glUseProgram(0);
-}
-
-void program_init(int width, int height)
-{
-    program.buffer =
-        vertex_buffer_new("vertex:2f,tex_coord:2f,color:4f,drawmode:1i");
-    program.shader = glCreateProgram();
-    GLint status;
-    GLuint sh_frag = compile_shader(shader_ultimate_frag, GL_FRAGMENT_SHADER);
-    glAttachShader(program.shader, sh_frag);
-    glDeleteShader(sh_frag);
-
-    GLuint sh_vert = compile_shader(shader_ultimate_vert, GL_VERTEX_SHADER);
-    glAttachShader(program.shader, sh_vert);
-    glDeleteShader(sh_vert);
-
-    glLinkProgram(program.shader);
-    glGetProgramiv(program.shader, GL_LINK_STATUS, &status);
-
-    assert(status == GL_TRUE);
-
-    glUseProgram(program.shader);
-
-    mat4 model, view, projection;
-
-    mat4_set_identity(&model);
-    mat4_set_identity(&view);
-    mat4_set_identity(&projection);
-    mat4_set_orthographic(&projection, 0, width, height, 0, 0, 1);
-
-    glUniformMatrix4fv(glGetUniformLocation(program.shader, "model"), 1, 0,
-                       model.data);
-    glUniformMatrix4fv(glGetUniformLocation(program.shader, "view"), 1, 0,
-                       view.data);
-    glUniformMatrix4fv(glGetUniformLocation(program.shader, "projection"), 1, 0,
-                       projection.data);
-    glUniform1i(glGetUniformLocation(program.shader, "texture"), 0);
-
-    glUseProgram(0);
-}
-
-void program_draw()
-{
-    glUseProgram(program.shader);
-    vertex_buffer_render(program.buffer, GL_TRIANGLES);
-    glUseProgram(0);
-}
-
-void program_reset()
-{
-    vertex_buffer_clear(program.buffer);
-}
-
-unsigned program_next_index()
-{
-    return program.buffer->vertices->size;
-}