[win32 port] Hello triangle in OpenGL 4.3
This commit is contained in:
parent
2421871c3e
commit
c57e16db5a
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@ -23,7 +23,48 @@
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#include"graphics.c"
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#include"win32_gl_surface.c"
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//#define LOG_SUBSYSTEM "Main"
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#define LOG_SUBSYSTEM "Main"
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unsigned int program;
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const char* vshaderSource =
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"#version 430\n"
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"attribute vec4 vPosition;\n"
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"uniform mat4 transform;\n"
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"void main()\n"
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"{\n"
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" gl_Position = transform*vPosition;\n"
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"}\n";
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const char* fshaderSource =
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"#version 430\n"
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"precision mediump float;\n"
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"void main()\n"
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"{\n"
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" gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);\n"
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"}\n";
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void compile_shader(GLuint shader, const char* source)
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{
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glShaderSource(shader, 1, &source, 0);
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glCompileShader(shader);
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int err = glGetError();
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if(err)
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{
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printf("gl error: %i\n", err);
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}
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int status = 0;
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glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
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if(!status)
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{
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char buffer[256];
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int size = 0;
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glGetShaderInfoLog(shader, 256, &size, buffer);
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printf("shader error: %.*s\n", size, buffer);
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}
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}
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int main()
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{
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@ -33,9 +74,48 @@ int main()
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mp_rect rect = {.x = 100, .y = 100, .w = 800, .h = 600};
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mp_window window = mp_window_create(rect, "test", 0);
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//TODO: create surface
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//NOTE: create surface
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mg_surface surface = mg_surface_create_for_window(window, MG_BACKEND_GL);
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//NOTE: init shader and gl state
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GLuint vao;
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glGenVertexArrays(1, &vao);
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glBindVertexArray(vao);
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GLuint vertexBuffer;
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glGenBuffers(1, &vertexBuffer);
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GLfloat vertices[] = {
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-0.866/2, -0.5/2, 0, 0.866/2, -0.5/2, 0, 0, 0.5, 0};
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glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
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glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
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unsigned int vshader = glCreateShader(GL_VERTEX_SHADER);
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unsigned int fshader = glCreateShader(GL_FRAGMENT_SHADER);
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program = glCreateProgram();
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compile_shader(vshader, vshaderSource);
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compile_shader(fshader, fshaderSource);
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glAttachShader(program, vshader);
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glAttachShader(program, fshader);
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glLinkProgram(program);
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int status = 0;
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glGetProgramiv(program, GL_LINK_STATUS, &status);
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if(!status)
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{
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char buffer[256];
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int size = 0;
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glGetProgramInfoLog(program, 256, &size, buffer);
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printf("link error: %.*s\n", size, buffer);
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}
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glUseProgram(program);
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mp_window_bring_to_front_and_focus(window);
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while(!mp_should_quit())
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@ -67,10 +147,31 @@ int main()
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mg_surface_prepare(surface);
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//DO stuff
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glClearColor(1, 0, 1, 1);
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glClearColor(0.3, 0.3, 1, 1);
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glClear(GL_COLOR_BUFFER_BIT);
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static float alpha = 0;
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//f32 aspect = frameSize.x/frameSize.y;
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f32 aspect = 800/(f32)600;
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glViewport(0, 0, 800, 600);
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GLfloat matrix[] = {cosf(alpha)/aspect, sinf(alpha), 0, 0,
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-sinf(alpha)/aspect, cosf(alpha), 0, 0,
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0, 0, 1, 0,
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0, 0, 0, 1};
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alpha += 2*M_PI/120;
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glUniformMatrix4fv(0, 1, false, matrix);
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glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
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glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
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glEnableVertexAttribArray(0);
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glDrawArrays(GL_TRIANGLES, 0, 3);
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mg_surface_present(surface);
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}
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,311 @@
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#ifndef __khrplatform_h_
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#define __khrplatform_h_
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/*
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** Copyright (c) 2008-2018 The Khronos Group Inc.
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**
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** Permission is hereby granted, free of charge, to any person obtaining a
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** copy of this software and/or associated documentation files (the
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** "Materials"), to deal in the Materials without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
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** distribute, sublicense, and/or sell copies of the Materials, and to
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** permit persons to whom the Materials are furnished to do so, subject to
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** the following conditions:
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**
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** The above copyright notice and this permission notice shall be included
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** in all copies or substantial portions of the Materials.
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**
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** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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/* Khronos platform-specific types and definitions.
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*
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* The master copy of khrplatform.h is maintained in the Khronos EGL
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* Registry repository at https://github.com/KhronosGroup/EGL-Registry
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* The last semantic modification to khrplatform.h was at commit ID:
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* 67a3e0864c2d75ea5287b9f3d2eb74a745936692
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*
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* Adopters may modify this file to suit their platform. Adopters are
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* encouraged to submit platform specific modifications to the Khronos
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* group so that they can be included in future versions of this file.
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* Please submit changes by filing pull requests or issues on
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* the EGL Registry repository linked above.
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*
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*
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* See the Implementer's Guidelines for information about where this file
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* should be located on your system and for more details of its use:
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* http://www.khronos.org/registry/implementers_guide.pdf
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*
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* This file should be included as
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* #include <KHR/khrplatform.h>
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* by Khronos client API header files that use its types and defines.
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*
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* The types in khrplatform.h should only be used to define API-specific types.
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*
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* Types defined in khrplatform.h:
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* khronos_int8_t signed 8 bit
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* khronos_uint8_t unsigned 8 bit
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* khronos_int16_t signed 16 bit
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* khronos_uint16_t unsigned 16 bit
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* khronos_int32_t signed 32 bit
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* khronos_uint32_t unsigned 32 bit
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* khronos_int64_t signed 64 bit
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* khronos_uint64_t unsigned 64 bit
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* khronos_intptr_t signed same number of bits as a pointer
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* khronos_uintptr_t unsigned same number of bits as a pointer
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* khronos_ssize_t signed size
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* khronos_usize_t unsigned size
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* khronos_float_t signed 32 bit floating point
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* khronos_time_ns_t unsigned 64 bit time in nanoseconds
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* khronos_utime_nanoseconds_t unsigned time interval or absolute time in
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* nanoseconds
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* khronos_stime_nanoseconds_t signed time interval in nanoseconds
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* khronos_boolean_enum_t enumerated boolean type. This should
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* only be used as a base type when a client API's boolean type is
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* an enum. Client APIs which use an integer or other type for
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* booleans cannot use this as the base type for their boolean.
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*
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* Tokens defined in khrplatform.h:
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*
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* KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
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*
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* KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
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* KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
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*
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* Calling convention macros defined in this file:
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* KHRONOS_APICALL
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* KHRONOS_APIENTRY
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* KHRONOS_APIATTRIBUTES
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*
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* These may be used in function prototypes as:
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*
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* KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
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* int arg1,
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* int arg2) KHRONOS_APIATTRIBUTES;
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*/
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#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
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# define KHRONOS_STATIC 1
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#endif
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/*-------------------------------------------------------------------------
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* Definition of KHRONOS_APICALL
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*-------------------------------------------------------------------------
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* This precedes the return type of the function in the function prototype.
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*/
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#if defined(KHRONOS_STATIC)
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/* If the preprocessor constant KHRONOS_STATIC is defined, make the
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* header compatible with static linking. */
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# define KHRONOS_APICALL
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#elif defined(_WIN32)
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# define KHRONOS_APICALL __declspec(dllimport)
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#elif defined (__SYMBIAN32__)
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# define KHRONOS_APICALL IMPORT_C
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#elif defined(__ANDROID__)
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# define KHRONOS_APICALL __attribute__((visibility("default")))
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#else
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# define KHRONOS_APICALL
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#endif
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/*-------------------------------------------------------------------------
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* Definition of KHRONOS_APIENTRY
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*-------------------------------------------------------------------------
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* This follows the return type of the function and precedes the function
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* name in the function prototype.
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*/
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#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
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/* Win32 but not WinCE */
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# define KHRONOS_APIENTRY __stdcall
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#else
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# define KHRONOS_APIENTRY
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#endif
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/*-------------------------------------------------------------------------
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* Definition of KHRONOS_APIATTRIBUTES
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*-------------------------------------------------------------------------
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* This follows the closing parenthesis of the function prototype arguments.
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*/
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#if defined (__ARMCC_2__)
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#define KHRONOS_APIATTRIBUTES __softfp
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#else
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#define KHRONOS_APIATTRIBUTES
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#endif
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/*-------------------------------------------------------------------------
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* basic type definitions
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*-----------------------------------------------------------------------*/
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#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
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/*
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* Using <stdint.h>
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*/
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#include <stdint.h>
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typedef int32_t khronos_int32_t;
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typedef uint32_t khronos_uint32_t;
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typedef int64_t khronos_int64_t;
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typedef uint64_t khronos_uint64_t;
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#define KHRONOS_SUPPORT_INT64 1
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#define KHRONOS_SUPPORT_FLOAT 1
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/*
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* To support platform where unsigned long cannot be used interchangeably with
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* inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
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* Ideally, we could just use (u)intptr_t everywhere, but this could result in
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* ABI breakage if khronos_uintptr_t is changed from unsigned long to
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* unsigned long long or similar (this results in different C++ name mangling).
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* To avoid changes for existing platforms, we restrict usage of intptr_t to
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* platforms where the size of a pointer is larger than the size of long.
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*/
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#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
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#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
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#define KHRONOS_USE_INTPTR_T
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#endif
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#endif
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#elif defined(__VMS ) || defined(__sgi)
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/*
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* Using <inttypes.h>
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*/
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#include <inttypes.h>
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typedef int32_t khronos_int32_t;
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typedef uint32_t khronos_uint32_t;
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typedef int64_t khronos_int64_t;
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typedef uint64_t khronos_uint64_t;
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#define KHRONOS_SUPPORT_INT64 1
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#define KHRONOS_SUPPORT_FLOAT 1
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#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
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/*
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* Win32
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*/
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typedef __int32 khronos_int32_t;
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typedef unsigned __int32 khronos_uint32_t;
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typedef __int64 khronos_int64_t;
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typedef unsigned __int64 khronos_uint64_t;
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#define KHRONOS_SUPPORT_INT64 1
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#define KHRONOS_SUPPORT_FLOAT 1
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#elif defined(__sun__) || defined(__digital__)
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/*
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* Sun or Digital
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*/
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typedef int khronos_int32_t;
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typedef unsigned int khronos_uint32_t;
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#if defined(__arch64__) || defined(_LP64)
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typedef long int khronos_int64_t;
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typedef unsigned long int khronos_uint64_t;
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#else
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typedef long long int khronos_int64_t;
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typedef unsigned long long int khronos_uint64_t;
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#endif /* __arch64__ */
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#define KHRONOS_SUPPORT_INT64 1
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#define KHRONOS_SUPPORT_FLOAT 1
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#elif 0
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/*
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* Hypothetical platform with no float or int64 support
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*/
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typedef int khronos_int32_t;
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typedef unsigned int khronos_uint32_t;
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#define KHRONOS_SUPPORT_INT64 0
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#define KHRONOS_SUPPORT_FLOAT 0
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#else
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/*
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* Generic fallback
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*/
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#include <stdint.h>
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typedef int32_t khronos_int32_t;
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typedef uint32_t khronos_uint32_t;
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typedef int64_t khronos_int64_t;
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typedef uint64_t khronos_uint64_t;
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#define KHRONOS_SUPPORT_INT64 1
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#define KHRONOS_SUPPORT_FLOAT 1
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#endif
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|
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/*
|
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* Types that are (so far) the same on all platforms
|
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*/
|
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typedef signed char khronos_int8_t;
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typedef unsigned char khronos_uint8_t;
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typedef signed short int khronos_int16_t;
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typedef unsigned short int khronos_uint16_t;
|
||||
|
||||
/*
|
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* Types that differ between LLP64 and LP64 architectures - in LLP64,
|
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* pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
|
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* to be the only LLP64 architecture in current use.
|
||||
*/
|
||||
#ifdef KHRONOS_USE_INTPTR_T
|
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typedef intptr_t khronos_intptr_t;
|
||||
typedef uintptr_t khronos_uintptr_t;
|
||||
#elif defined(_WIN64)
|
||||
typedef signed long long int khronos_intptr_t;
|
||||
typedef unsigned long long int khronos_uintptr_t;
|
||||
#else
|
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typedef signed long int khronos_intptr_t;
|
||||
typedef unsigned long int khronos_uintptr_t;
|
||||
#endif
|
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|
||||
#if defined(_WIN64)
|
||||
typedef signed long long int khronos_ssize_t;
|
||||
typedef unsigned long long int khronos_usize_t;
|
||||
#else
|
||||
typedef signed long int khronos_ssize_t;
|
||||
typedef unsigned long int khronos_usize_t;
|
||||
#endif
|
||||
|
||||
#if KHRONOS_SUPPORT_FLOAT
|
||||
/*
|
||||
* Float type
|
||||
*/
|
||||
typedef float khronos_float_t;
|
||||
#endif
|
||||
|
||||
#if KHRONOS_SUPPORT_INT64
|
||||
/* Time types
|
||||
*
|
||||
* These types can be used to represent a time interval in nanoseconds or
|
||||
* an absolute Unadjusted System Time. Unadjusted System Time is the number
|
||||
* of nanoseconds since some arbitrary system event (e.g. since the last
|
||||
* time the system booted). The Unadjusted System Time is an unsigned
|
||||
* 64 bit value that wraps back to 0 every 584 years. Time intervals
|
||||
* may be either signed or unsigned.
|
||||
*/
|
||||
typedef khronos_uint64_t khronos_utime_nanoseconds_t;
|
||||
typedef khronos_int64_t khronos_stime_nanoseconds_t;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Dummy value used to pad enum types to 32 bits.
|
||||
*/
|
||||
#ifndef KHRONOS_MAX_ENUM
|
||||
#define KHRONOS_MAX_ENUM 0x7FFFFFFF
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Enumerated boolean type
|
||||
*
|
||||
* Values other than zero should be considered to be true. Therefore
|
||||
* comparisons should not be made against KHRONOS_TRUE.
|
||||
*/
|
||||
typedef enum {
|
||||
KHRONOS_FALSE = 0,
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KHRONOS_TRUE = 1,
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KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
|
||||
} khronos_boolean_enum_t;
|
||||
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||||
#endif /* __khrplatform_h_ */
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@ -8,6 +8,7 @@
|
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*****************************************************************/
|
||||
|
||||
#include<GL/gl.h>
|
||||
#include"GL/glext.h"
|
||||
#include"GL/wglext.h"
|
||||
|
||||
#include"graphics.h"
|
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|
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@ -47,6 +48,26 @@ PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB;
|
|||
PFNWGLMAKECONTEXTCURRENTARBPROC wglMakeContextCurrentARB;
|
||||
PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT;
|
||||
|
||||
PFNGLCREATESHADERPROC glCreateShader;
|
||||
PFNGLCREATEPROGRAMPROC glCreateProgram;
|
||||
PFNGLATTACHSHADERPROC glAttachShader;
|
||||
PFNGLCOMPILESHADERPROC glCompileShader;
|
||||
PFNGLGETSHADERIVPROC glGetShaderiv;
|
||||
PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog;
|
||||
PFNGLSHADERSOURCEPROC glShaderSource;
|
||||
PFNGLLINKPROGRAMPROC glLinkProgram;
|
||||
PFNGLGETPROGRAMIVPROC glGetProgramiv;
|
||||
PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
|
||||
PFNGLUSEPROGRAMPROC glUseProgram;
|
||||
PFNGLGENVERTEXARRAYSPROC glGenVertexArrays;
|
||||
PFNGLBINDVERTEXARRAYPROC glBindVertexArray;
|
||||
PFNGLGENBUFFERSPROC glGenBuffers;
|
||||
PFNGLBINDBUFFERPROC glBindBuffer;
|
||||
PFNGLBUFFERDATAPROC glBufferData;
|
||||
PFNGLUNIFORMMATRIX4FVPROC glUniformMatrix4fv;
|
||||
PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer;
|
||||
PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray;
|
||||
|
||||
mg_surface mg_gl_surface_create_for_window(mp_window window)
|
||||
{
|
||||
mg_surface surfaceHandle = mg_surface_nil();
|
||||
|
|
@ -113,6 +134,26 @@ mg_surface mg_gl_surface_create_for_window(mp_window window)
|
|||
wglMakeContextCurrentARB = (PFNWGLMAKECONTEXTCURRENTARBPROC)wglGetProcAddress("wglMakeContextCurrentARB");
|
||||
wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
|
||||
|
||||
glCreateShader = (PFNGLCREATESHADERPROC)wglGetProcAddress("glCreateShader");
|
||||
glCreateProgram = (PFNGLCREATEPROGRAMPROC)wglGetProcAddress("glCreateProgram");
|
||||
glAttachShader = (PFNGLATTACHSHADERPROC)wglGetProcAddress("glAttachShader");
|
||||
glShaderSource = (PFNGLSHADERSOURCEPROC)wglGetProcAddress("glShaderSource");
|
||||
glCompileShader = (PFNGLCOMPILESHADERPROC)wglGetProcAddress("glCompileShader");
|
||||
glGetShaderiv = (PFNGLGETSHADERIVPROC)wglGetProcAddress("glGetShaderiv");
|
||||
glGetShaderInfoLog = (PFNGLGETSHADERINFOLOGPROC)wglGetProcAddress("glGetShaderInfoLog");
|
||||
glLinkProgram = (PFNGLLINKPROGRAMPROC)wglGetProcAddress("glLinkProgram");
|
||||
glGetProgramiv = (PFNGLGETPROGRAMIVPROC)wglGetProcAddress("glGetProgramiv");
|
||||
glGetProgramInfoLog = (PFNGLGETPROGRAMINFOLOGPROC)wglGetProcAddress("glGetProgramInfoLog");
|
||||
glUseProgram = (PFNGLUSEPROGRAMPROC)wglGetProcAddress("glUseProgram");
|
||||
glGenVertexArrays = (PFNGLGENVERTEXARRAYSPROC)wglGetProcAddress("glGenVertexArrays");
|
||||
glBindVertexArray = (PFNGLBINDVERTEXARRAYPROC)wglGetProcAddress("glBindVertexArray");
|
||||
glGenBuffers = (PFNGLGENBUFFERSPROC)wglGetProcAddress("glGenBuffers");
|
||||
glBindBuffer = (PFNGLBINDBUFFERPROC)wglGetProcAddress("glBindBuffer");
|
||||
glBufferData = (PFNGLBUFFERDATAPROC)wglGetProcAddress("glBufferData");
|
||||
glUniformMatrix4fv = (PFNGLUNIFORMMATRIX4FVPROC)wglGetProcAddress("glUniformMatrix4fv");
|
||||
glVertexAttribPointer = (PFNGLVERTEXATTRIBPOINTERPROC)wglGetProcAddress("glVertexAttribPointer");
|
||||
glEnableVertexAttribArray = (PFNGLENABLEVERTEXATTRIBARRAYPROC)wglGetProcAddress("glEnableVertexAttribArray");
|
||||
|
||||
//NOTE(martin): now create the true pixel format and gl context
|
||||
int pixelFormatAttrs[] = {
|
||||
WGL_DRAW_TO_WINDOW_ARB, GL_TRUE,
|
||||
|
|
|
|||
Loading…
Reference in New Issue