duuqnd/cave-story-solaris
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Back to OpenGL 3.2 (I really want the core profile)

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In OpenGL 3.1, compatibility mode was an extension, meaning it could
never actually be disabled. 3.2 fixed that with the introduction of
profiles.
This commit is contained in:
Clownacy 2019-08-10 18:05:01 +01:00
parent 3b20c5f3b8
commit fc0653e5aa
3 changed files with 16 additions and 14 deletions
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2
CMakeLists.txt
View file

@ -11,7 +11,7 @@ option(JAPANESE "Enable the Japanese-language build" OFF)
option(FIX_BUGS "Fix certain bugs (see src/Bug Fixes.txt)" OFF)
option(NONPORTABLE "Enable bits of code that aren't portable, but are what the original game used" OFF)
option(FORCE_LOCAL_LIBS "Compile the built-in versions of SDL2, FreeType, and FLTK instead of using the system-provided ones" OFF)
set(RENDERER "Texture" CACHE STRING "Which renderer the game should use: 'OpenGL3' for an OpenGL 3.1 renderer, 'Texture' for SDL2's hardware-accelerated Texture API, 'Surface' for SDL2's software-rendered Surface API, and 'Software' for a handwritten software renderer")
set(RENDERER "Texture" CACHE STRING "Which renderer the game should use: 'OpenGL3' for an OpenGL 3.2 renderer, 'Texture' for SDL2's hardware-accelerated Texture API, 'Surface' for SDL2's software-rendered Surface API, and 'Software' for a handwritten software renderer")
project(CSE2 LANGUAGES C CXX)

4
README.md
View file

@ -30,7 +30,7 @@ You can also add the following flags:
* `-DFIX_BUGS=ON` - Fix bugs in the game (see [src/Bug Fixes.txt](src/Bug%20Fixes.txt))
* `-DNONPORTABLE=ON` - Enable bits of code that aren't portable, but are what the original game used
* `-DFORCE_LOCAL_LIBS=ON` - Compile the built-in versions of SDL2, FreeType, and FLTK instead of using the system-provided ones
* `-DRENDERER=OpenGL3` - Use the hardware-accelerated OpenGL 3.1 renderer
* `-DRENDERER=OpenGL3` - Use the hardware-accelerated OpenGL 3.2 renderer
* `-DRENDERER=Texture` - Use the hardware-accelerated SDL2 Texture API renderer (default)
* `-DRENDERER=Surface` - Use the software-rendered SDL2 Surface API renderer
* `-DRENDERER=Software` - Use a handwritten software renderer
@ -58,7 +58,7 @@ Run 'make' in this folder, preferably with some of the following settings:
* `WINDOWS=1` - Enable Windows-only features like a unique file/taskbar icon, and system font loading (needed for the font setting in Config.dat to do anything)
* `RASPBERRY_PI=1` - Enable tweaks to improve performance on Raspberry Pis
* `NONPORTABLE=1` - Enable bits of code that aren't portable, but are what the original game used
* `RENDERER=OpenGL3` - Use the hardware-accelerated OpenGL 3.1 renderer
* `RENDERER=OpenGL3` - Use the hardware-accelerated OpenGL 3.2 renderer
* `RENDERER=Texture` - Use the hardware-accelerated SDL2 Texture API renderer (default)
* `RENDERER=Surface` - Use the software-rendered SDL2 Surface API renderer
* `RENDERER=Software` - Use a hand-written software renderer

24
src/Backends/Rendering/OpenGL3.cpp
View file

@ -82,7 +82,7 @@ static unsigned long current_vertex_buffer_slot;
static RenderMode last_render_mode;
static const GLchar *vertex_shader_plain = " \
#version 140\n \
#version 150 core\n \
in vec2 input_vertex_coordinates; \
void main() \
{ \
@ -91,7 +91,7 @@ void main() \
";
static const GLchar *vertex_shader_texture = " \
#version 140\n \
#version 150 core\n \
in vec2 input_vertex_coordinates; \
in vec2 input_texture_coordinates; \
out vec2 texture_coordinates; \
@ -103,7 +103,7 @@ void main() \
";
static const GLchar *fragment_shader_texture = " \
#version 140\n \
#version 150 core\n \
uniform sampler2D tex; \
in vec2 texture_coordinates; \
out vec4 fragment; \
@ -114,7 +114,7 @@ void main() \
";
static const GLchar *fragment_shader_texture_colour_key = " \
#version 140\n \
#version 150 core\n \
uniform sampler2D tex; \
in vec2 texture_coordinates; \
out vec4 fragment; \
@ -130,7 +130,7 @@ void main() \
";
static const GLchar *fragment_shader_colour_fill = " \
#version 140\n \
#version 150 core\n \
uniform vec4 colour; \
out vec4 fragment; \
void main() \
@ -140,7 +140,7 @@ void main() \
";
static const GLchar *fragment_shader_glyph_normal = " \
#version 140\n \
#version 150 core\n \
uniform sampler2D tex; \
uniform vec4 colour; \
in vec2 texture_coordinates; \
@ -152,7 +152,7 @@ void main() \
";
static const GLchar *fragment_shader_glyph_subpixel_part1 = " \
#version 140\n \
#version 150 core\n \
uniform sampler2D tex; \
in vec2 texture_coordinates; \
out vec4 fragment; \
@ -163,7 +163,7 @@ void main() \
";
static const GLchar *fragment_shader_glyph_subpixel_part2 = " \
#version 140\n \
#version 150 core\n \
uniform sampler2D tex; \
uniform vec4 colour; \
in vec2 texture_coordinates; \
@ -286,8 +286,10 @@ static void FlushVertexBuffer(void)
SDL_Window* Backend_CreateWindow(const char *title, int width, int height)
{
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
return SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, SDL_WINDOW_OPENGL);
}
@ -304,8 +306,8 @@ BOOL Backend_Init(SDL_Window *p_window)
if (glewInit() != GLEW_OK)
return FALSE;
// Check if the platform supports OpenGL 3.1
if (!GLEW_VERSION_3_1)
// Check if the platform supports OpenGL 3.2
if (!GLEW_VERSION_3_2)
return FALSE;
glEnable(GL_DEBUG_OUTPUT);