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- abstracted away more OpenGL calls, in particular all matrix access.

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This commit is contained in:
Christoph Oelckers 2019-10-04 18:12:03 +02:00
parent a86f1ffd4f
commit 96c0c3197c
18 changed files with 316 additions and 1171 deletions
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40
source/build/src/sdlayer.cpp
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@ -1318,57 +1318,21 @@ static void destroy_window_resources()
#endif
}
#ifdef USE_OPENGL
void sdlayer_setvideomode_opengl(void)
{
glsurface_destroy();
polymost_glreset();
glShadeModel(GL_SMOOTH); // GL_FLAT
glClearColor(0, 0, 0, 1.0); // Black Background
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Use FASTEST for ortho!
// glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glDisable(GL_DITHER);
glinfo.vendor = (const char *) glGetString(GL_VENDOR);
glinfo.renderer = (const char *) glGetString(GL_RENDERER);
glinfo.version = (const char *) glGetString(GL_VERSION);
glinfo.extensions = (const char *) glGetString(GL_EXTENSIONS);
glinfo.maxanisotropy = 1.0;
glinfo.bgra = 0;
glinfo.clamptoedge = 1;
glinfo.multitex = 1;
// process the extensions string and flag stuff we recognize
glinfo.texnpot = !!Bstrstr(glinfo.extensions, "GL_ARB_texture_non_power_of_two") || !!Bstrstr(glinfo.extensions, "GL_OES_texture_npot");
glinfo.multisample = !!Bstrstr(glinfo.extensions, "GL_ARB_multisample");
glinfo.nvmultisamplehint = !!Bstrstr(glinfo.extensions, "GL_NV_multisample_filter_hint");
glinfo.arbfp = !!Bstrstr(glinfo.extensions, "GL_ARB_fragment_program");
glinfo.depthtex = !!Bstrstr(glinfo.extensions, "GL_ARB_depth_texture");
glinfo.shadow = !!Bstrstr(glinfo.extensions, "GL_ARB_shadow");
glinfo.fbos = !!Bstrstr(glinfo.extensions, "GL_EXT_framebuffer_object") || !!Bstrstr(glinfo.extensions, "GL_OES_framebuffer_object");
glinfo.texcompr = 0;
glinfo.bgra = 0;// !!Bstrstr(glinfo.extensions, "GL_EXT_bgra");
glinfo.clamptoedge = true;
glinfo.rect =
!!Bstrstr(glinfo.extensions, "GL_NV_texture_rectangle") || !!Bstrstr(glinfo.extensions, "GL_EXT_texture_rectangle");
glinfo.multitex = !!Bstrstr(glinfo.extensions, "GL_ARB_multitexture");
glinfo.envcombine = !!Bstrstr(glinfo.extensions, "GL_ARB_texture_env_combine");
glinfo.vbos = !!Bstrstr(glinfo.extensions, "GL_ARB_vertex_buffer_object");
glinfo.sm4 = !!Bstrstr(glinfo.extensions, "GL_EXT_gpu_shader4");
glinfo.occlusionqueries = !!Bstrstr(glinfo.extensions, "GL_ARB_occlusion_query");
glinfo.glsl = !!Bstrstr(glinfo.extensions, "GL_ARB_shader_objects");
glinfo.debugoutput = !!Bstrstr(glinfo.extensions, "GL_ARB_debug_output");
glinfo.bufferstorage = !!Bstrstr(glinfo.extensions, "GL_ARB_buffer_storage");
glinfo.sync = !!Bstrstr(glinfo.extensions, "GL_ARB_sync");
glinfo.depthclamp = !!Bstrstr(glinfo.extensions, "GL_ARB_depth_clamp");
glinfo.clipcontrol = !!Bstrstr(glinfo.extensions, "GL_ARB_clip_control");
if (Bstrstr(glinfo.extensions, "WGL_3DFX_gamma_control"))
{
@ -1381,7 +1345,7 @@ void sdlayer_setvideomode_opengl(void)
}
// if (Bstrstr(glinfo.extensions, "GL_EXT_texture_filter_anisotropic"))
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glinfo.maxanisotropy);
glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &glinfo.maxanisotropy);
if (!glinfo.dumped)
{
@ -1394,10 +1358,10 @@ void sdlayer_setvideomode_opengl(void)
GLInterface.Deinit();
GLInterface.Init();
GLInterface.InitGLState(r_usenewshading, glmultisample);
GLInterface.mSamplers->SetTextureFilterMode(gltexfiltermode, glanisotropy);
}
#endif // defined USE_OPENGL
//
// setvideomode() -- set SDL video mode