diff options
Diffstat (limited to 'raylib/external/glfw/src/osmesa_context.c')
| -rw-r--r-- | raylib/external/glfw/src/osmesa_context.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/raylib/external/glfw/src/osmesa_context.c b/raylib/external/glfw/src/osmesa_context.c deleted file mode 100644 index 38adabb..0000000 --- a/raylib/external/glfw/src/osmesa_context.c +++ /dev/null @@ -1,386 +0,0 @@ -//======================================================================== -// GLFW 3.4 OSMesa - www.glfw.org -//------------------------------------------------------------------------ -// Copyright (c) 2016 Google Inc. -// Copyright (c) 2016-2017 Camilla Löwy <elmindreda@glfw.org> -// -// This software is provided 'as-is', without any express or implied -// warranty. In no event will the authors be held liable for any damages -// arising from the use of this software. -// -// Permission is granted to anyone to use this software for any purpose, -// including commercial applications, and to alter it and redistribute it -// freely, subject to the following restrictions: -// -// 1. The origin of this software must not be misrepresented; you must not -// claim that you wrote the original software. If you use this software -// in a product, an acknowledgment in the product documentation would -// be appreciated but is not required. -// -// 2. Altered source versions must be plainly marked as such, and must not -// be misrepresented as being the original software. -// -// 3. This notice may not be removed or altered from any source -// distribution. -// -//======================================================================== -// Please use C89 style variable declarations in this file because VS 2010 -//======================================================================== - -#include <stdlib.h> -#include <string.h> -#include <assert.h> - -#include "internal.h" - - -static void makeContextCurrentOSMesa(_GLFWwindow* window) -{ - if (window) - { - int width, height; - _glfw.platform.getFramebufferSize(window, &width, &height); - - // Check to see if we need to allocate a new buffer - if ((window->context.osmesa.buffer == NULL) || - (width != window->context.osmesa.width) || - (height != window->context.osmesa.height)) - { - _glfw_free(window->context.osmesa.buffer); - - // Allocate the new buffer (width * height * 8-bit RGBA) - window->context.osmesa.buffer = _glfw_calloc(4, (size_t) width * height); - window->context.osmesa.width = width; - window->context.osmesa.height = height; - } - - if (!OSMesaMakeCurrent(window->context.osmesa.handle, - window->context.osmesa.buffer, - GL_UNSIGNED_BYTE, - width, height)) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "OSMesa: Failed to make context current"); - return; - } - } - - _glfwPlatformSetTls(&_glfw.contextSlot, window); -} - -static GLFWglproc getProcAddressOSMesa(const char* procname) -{ - return (GLFWglproc) OSMesaGetProcAddress(procname); -} - -static void destroyContextOSMesa(_GLFWwindow* window) -{ - if (window->context.osmesa.handle) - { - OSMesaDestroyContext(window->context.osmesa.handle); - window->context.osmesa.handle = NULL; - } - - if (window->context.osmesa.buffer) - { - _glfw_free(window->context.osmesa.buffer); - window->context.osmesa.width = 0; - window->context.osmesa.height = 0; - } -} - -static void swapBuffersOSMesa(_GLFWwindow* window) -{ - // No double buffering on OSMesa -} - -static void swapIntervalOSMesa(int interval) -{ - // No swap interval on OSMesa -} - -static int extensionSupportedOSMesa(const char* extension) -{ - // OSMesa does not have extensions - return GLFW_FALSE; -} - - -////////////////////////////////////////////////////////////////////////// -////// GLFW internal API ////// -////////////////////////////////////////////////////////////////////////// - -GLFWbool _glfwInitOSMesa(void) -{ - int i; - const char* sonames[] = - { -#if defined(_GLFW_OSMESA_LIBRARY) - _GLFW_OSMESA_LIBRARY, -#elif defined(_WIN32) - "libOSMesa.dll", - "OSMesa.dll", -#elif defined(__APPLE__) - "libOSMesa.8.dylib", -#elif defined(__CYGWIN__) - "libOSMesa-8.so", -#elif defined(__OpenBSD__) || defined(__NetBSD__) - "libOSMesa.so", -#else - "libOSMesa.so.8", - "libOSMesa.so.6", -#endif - NULL - }; - - if (_glfw.osmesa.handle) - return GLFW_TRUE; - - for (i = 0; sonames[i]; i++) - { - _glfw.osmesa.handle = _glfwPlatformLoadModule(sonames[i]); - if (_glfw.osmesa.handle) - break; - } - - if (!_glfw.osmesa.handle) - { - _glfwInputError(GLFW_API_UNAVAILABLE, "OSMesa: Library not found"); - return GLFW_FALSE; - } - - _glfw.osmesa.CreateContextExt = (PFN_OSMesaCreateContextExt) - _glfwPlatformGetModuleSymbol(_glfw.osmesa.handle, "OSMesaCreateContextExt"); - _glfw.osmesa.CreateContextAttribs = (PFN_OSMesaCreateContextAttribs) - _glfwPlatformGetModuleSymbol(_glfw.osmesa.handle, "OSMesaCreateContextAttribs"); - _glfw.osmesa.DestroyContext = (PFN_OSMesaDestroyContext) - _glfwPlatformGetModuleSymbol(_glfw.osmesa.handle, "OSMesaDestroyContext"); - _glfw.osmesa.MakeCurrent = (PFN_OSMesaMakeCurrent) - _glfwPlatformGetModuleSymbol(_glfw.osmesa.handle, "OSMesaMakeCurrent"); - _glfw.osmesa.GetColorBuffer = (PFN_OSMesaGetColorBuffer) - _glfwPlatformGetModuleSymbol(_glfw.osmesa.handle, "OSMesaGetColorBuffer"); - _glfw.osmesa.GetDepthBuffer = (PFN_OSMesaGetDepthBuffer) - _glfwPlatformGetModuleSymbol(_glfw.osmesa.handle, "OSMesaGetDepthBuffer"); - _glfw.osmesa.GetProcAddress = (PFN_OSMesaGetProcAddress) - _glfwPlatformGetModuleSymbol(_glfw.osmesa.handle, "OSMesaGetProcAddress"); - - if (!_glfw.osmesa.CreateContextExt || - !_glfw.osmesa.DestroyContext || - !_glfw.osmesa.MakeCurrent || - !_glfw.osmesa.GetColorBuffer || - !_glfw.osmesa.GetDepthBuffer || - !_glfw.osmesa.GetProcAddress) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "OSMesa: Failed to load required entry points"); - - _glfwTerminateOSMesa(); - return GLFW_FALSE; - } - - return GLFW_TRUE; -} - -void _glfwTerminateOSMesa(void) -{ - if (_glfw.osmesa.handle) - { - _glfwPlatformFreeModule(_glfw.osmesa.handle); - _glfw.osmesa.handle = NULL; - } -} - -#define SET_ATTRIB(a, v) \ -{ \ - assert(((size_t) index + 1) < sizeof(attribs) / sizeof(attribs[0])); \ - attribs[index++] = a; \ - attribs[index++] = v; \ -} - -GLFWbool _glfwCreateContextOSMesa(_GLFWwindow* window, - const _GLFWctxconfig* ctxconfig, - const _GLFWfbconfig* fbconfig) -{ - OSMesaContext share = NULL; - const int accumBits = fbconfig->accumRedBits + - fbconfig->accumGreenBits + - fbconfig->accumBlueBits + - fbconfig->accumAlphaBits; - - if (ctxconfig->client == GLFW_OPENGL_ES_API) - { - _glfwInputError(GLFW_API_UNAVAILABLE, - "OSMesa: OpenGL ES is not available on OSMesa"); - return GLFW_FALSE; - } - - if (ctxconfig->share) - share = ctxconfig->share->context.osmesa.handle; - - if (OSMesaCreateContextAttribs) - { - int index = 0, attribs[40]; - - SET_ATTRIB(OSMESA_FORMAT, OSMESA_RGBA); - SET_ATTRIB(OSMESA_DEPTH_BITS, fbconfig->depthBits); - SET_ATTRIB(OSMESA_STENCIL_BITS, fbconfig->stencilBits); - SET_ATTRIB(OSMESA_ACCUM_BITS, accumBits); - - if (ctxconfig->profile == GLFW_OPENGL_CORE_PROFILE) - { - SET_ATTRIB(OSMESA_PROFILE, OSMESA_CORE_PROFILE); - } - else if (ctxconfig->profile == GLFW_OPENGL_COMPAT_PROFILE) - { - SET_ATTRIB(OSMESA_PROFILE, OSMESA_COMPAT_PROFILE); - } - - if (ctxconfig->major != 1 || ctxconfig->minor != 0) - { - SET_ATTRIB(OSMESA_CONTEXT_MAJOR_VERSION, ctxconfig->major); - SET_ATTRIB(OSMESA_CONTEXT_MINOR_VERSION, ctxconfig->minor); - } - - if (ctxconfig->forward) - { - _glfwInputError(GLFW_VERSION_UNAVAILABLE, - "OSMesa: Forward-compatible contexts not supported"); - return GLFW_FALSE; - } - - SET_ATTRIB(0, 0); - - window->context.osmesa.handle = - OSMesaCreateContextAttribs(attribs, share); - } - else - { - if (ctxconfig->profile) - { - _glfwInputError(GLFW_VERSION_UNAVAILABLE, - "OSMesa: OpenGL profiles unavailable"); - return GLFW_FALSE; - } - - window->context.osmesa.handle = - OSMesaCreateContextExt(OSMESA_RGBA, - fbconfig->depthBits, - fbconfig->stencilBits, - accumBits, - share); - } - - if (window->context.osmesa.handle == NULL) - { - _glfwInputError(GLFW_VERSION_UNAVAILABLE, - "OSMesa: Failed to create context"); - return GLFW_FALSE; - } - - window->context.makeCurrent = makeContextCurrentOSMesa; - window->context.swapBuffers = swapBuffersOSMesa; - window->context.swapInterval = swapIntervalOSMesa; - window->context.extensionSupported = extensionSupportedOSMesa; - window->context.getProcAddress = getProcAddressOSMesa; - window->context.destroy = destroyContextOSMesa; - - return GLFW_TRUE; -} - -#undef SET_ATTRIB - - -////////////////////////////////////////////////////////////////////////// -////// GLFW native API ////// -////////////////////////////////////////////////////////////////////////// - -GLFWAPI int glfwGetOSMesaColorBuffer(GLFWwindow* handle, int* width, - int* height, int* format, void** buffer) -{ - void* mesaBuffer; - GLint mesaWidth, mesaHeight, mesaFormat; - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE); - - if (window->context.source != GLFW_OSMESA_CONTEXT_API) - { - _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); - return GLFW_FALSE; - } - - if (!OSMesaGetColorBuffer(window->context.osmesa.handle, - &mesaWidth, &mesaHeight, - &mesaFormat, &mesaBuffer)) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "OSMesa: Failed to retrieve color buffer"); - return GLFW_FALSE; - } - - if (width) - *width = mesaWidth; - if (height) - *height = mesaHeight; - if (format) - *format = mesaFormat; - if (buffer) - *buffer = mesaBuffer; - - return GLFW_TRUE; -} - -GLFWAPI int glfwGetOSMesaDepthBuffer(GLFWwindow* handle, - int* width, int* height, - int* bytesPerValue, - void** buffer) -{ - void* mesaBuffer; - GLint mesaWidth, mesaHeight, mesaBytes; - _GLFWwindow* window = (_GLFWwindow*) handle; - assert(window != NULL); - - _GLFW_REQUIRE_INIT_OR_RETURN(GLFW_FALSE); - - if (window->context.source != GLFW_OSMESA_CONTEXT_API) - { - _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); - return GLFW_FALSE; - } - - if (!OSMesaGetDepthBuffer(window->context.osmesa.handle, - &mesaWidth, &mesaHeight, - &mesaBytes, &mesaBuffer)) - { - _glfwInputError(GLFW_PLATFORM_ERROR, - "OSMesa: Failed to retrieve depth buffer"); - return GLFW_FALSE; - } - - if (width) - *width = mesaWidth; - if (height) - *height = mesaHeight; - if (bytesPerValue) - *bytesPerValue = mesaBytes; - if (buffer) - *buffer = mesaBuffer; - - return GLFW_TRUE; -} - -GLFWAPI OSMesaContext glfwGetOSMesaContext(GLFWwindow* handle) -{ - _GLFWwindow* window = (_GLFWwindow*) handle; - _GLFW_REQUIRE_INIT_OR_RETURN(NULL); - - if (window->context.source != GLFW_OSMESA_CONTEXT_API) - { - _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL); - return NULL; - } - - return window->context.osmesa.handle; -} - |