cen64/os/winapi/gl_config.h
Derek "Turtle" Roe 8b89df2fdc See long description
Replaced all references to simulation with emulation
Updated copyright year
Updated .gitignore to reduce chances of random files being uploaded to
the repo
Added .gitattributes to normalize all text files, and to ignore binary
files (which includes the logo and the NEC PDF)
2015-07-01 18:44:21 -05:00

152 lines
4.3 KiB
C

//
// os/winapi/gl_config.h: WinAPI/OpenGL framebuffer configuration.
//
// CEN64: Cycle-Accurate Nintendo 64 Emulator.
// Copyright (C) 2015, Tyler J. Stachecki.
//
// This file is subject to the terms and conditions defined in
// 'LICENSE', which is part of this source code package.
//
#ifndef CEN64_OS_WINAPI_GL_CONFIG
#define CEN64_OS_WINAPI_GL_CONFIG
#include "gl_common.h"
#include "gl_display.h"
#include "gl_hints.h"
#include "gl_screen.h"
#include <stddef.h>
#include <stdlib.h>
#include <windows.h>
#define CEN64_GL_CONFIG_BAD (NULL)
struct cen64_gl_config {
PIXELFORMATDESCRIPTOR pfd;
int pixel_format;
};
typedef struct cen64_gl_config cen64_gl_config;
//
// Creates a matching cen64_gl_config from a cen64_gl_hints struct.
//
// On error, CEN64_GL_CONFIG_BAD is returned. On success, something
// other than CEN64_GL_CONFIG_BAD is returned, and matching is set
// to indicate the number of matches present in the returned array.
//
cen64_gl_config *cen64_gl_config_create(cen64_gl_display display,
cen64_gl_screen screen, const cen64_gl_hints *hints, int *matching);
//
// Releases resources allocated by cen64_gl_config_create.
//
static inline void cen64_gl_config_destroy(cen64_gl_config *config) {
free(config);
}
//
// Wrappers for querying for features/types.
//
static inline enum cen64_gl_context_type cen64_gl_config_get_context_type(
cen64_gl_display display, cen64_gl_config *config) {
return (enum cen64_gl_context_type) config->pfd.iPixelType;
}
static inline enum cen64_gl_drawable_type cen64_gl_config_get_drawable_type(
cen64_gl_display display, cen64_gl_config *config) {
return (config->pfd.dwFlags & PFD_DRAW_TO_BITMAP)
? CEN64_GL_DRAWABLE_TYPE_BITMAP
: CEN64_GL_DRAWABLE_TYPE_WINDOW;
}
static inline enum cen64_gl_layer_type cen64_gl_config_get_layer_type(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.iLayerType;
}
static inline int cen64_gl_config_is_double_buffered(
cen64_gl_display display, cen64_gl_config *config) {
return (config->pfd.dwFlags & PFD_DOUBLEBUFFER) != 0;
}
static inline int cen64_gl_config_is_renderable(
cen64_gl_display display, cen64_gl_config *config) {
return (config->pfd.dwFlags & PFD_SUPPORT_OPENGL) != 0;
}
static inline int cen64_gl_config_is_stereoscopic(
cen64_gl_display display, cen64_gl_config *config) {
return (config->pfd.dwFlags & PFD_STEREO) != 0;
}
//
// Wrappers for querying for color depths.
//
static inline int cen64_gl_config_get_color_depth(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cColorBits;
}
static inline int cen64_gl_config_get_red_color_depth(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cRedBits;
}
static inline int cen64_gl_config_get_green_color_depth(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cGreenBits;
}
static inline int cen64_gl_config_get_blue_color_depth(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cBlueBits;
}
static inline int cen64_gl_config_get_alpha_color_depth(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cAlphaBits;
}
//
// Wrappers for querying for buffer sizes, counts.
//
static inline int cen64_gl_config_get_depth_buffer_count(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cDepthBits;
}
static inline int cen64_gl_config_get_num_auxiliary_buffers(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cAuxBuffers;
}
static inline int cen64_gl_config_get_stencil_buffer_size(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cStencilBits;
}
//
// Wrappers for querying for accumulation buffer bits.
//
static inline int cen64_gl_config_get_red_accum_buffer_bits(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cAccumRedBits;
}
static inline int cen64_gl_config_get_blue_accum_buffer_bits(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cAccumBlueBits;
}
static inline int cen64_gl_config_get_green_accum_buffer_bits(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cAccumGreenBits;
}
static inline int cen64_gl_config_get_alpha_accum_buffer_bits(
cen64_gl_display display, cen64_gl_config *config) {
return config->pfd.cAccumAlphaBits;
}
#endif