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- add vid_hdr cvar that enables higher than 8bpc output for monitors that support it

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This commit is contained in:
Magnus Norddahl 2018-07-29 18:48:28 +02:00
parent a516210b18
commit 5b8a016cad
3 changed files with 77 additions and 36 deletions
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8
src/gl/renderer/gl_postprocess.cpp
View file

@ -47,6 +47,8 @@
#include "gl/textures/gl_hwtexture.h"
#include "r_videoscale.h"
extern bool vid_hdr_active;
void FGLRenderer::RenderScreenQuad()
{
mVBO->BindVBO();
@ -224,6 +226,12 @@ void FGLRenderer::DrawPresentTexture(const IntRect &box, bool applyGamma)
mPresentShader->Uniforms->Saturation = clamp<float>(vid_saturation, -15.0f, 15.f);
mPresentShader->Uniforms->GrayFormula = static_cast<int>(gl_satformula);
}
if (vid_hdr_active && framebuffer->IsFullscreen())
{
// Full screen exclusive mode treats a rgba16f frame buffer as linear.
// It probably will eventually in desktop mode too, but the DWM doesn't seem to support that.
mPresentShader->Uniforms->InvGamma *= 2.2f;
}
mPresentShader->Uniforms->Scale = { screen->mScreenViewport.width / (float)mBuffers->GetWidth(), screen->mScreenViewport.height / (float)mBuffers->GetHeight() };
mPresentShader->Uniforms.Set();
RenderScreenQuad();

8
src/v_video.cpp
View file

@ -65,6 +65,7 @@
#include "vm.h"
#include "r_videoscale.h"
#include "i_time.h"
#include "version.h"
EXTERN_CVAR(Bool, cl_capfps)
@ -884,12 +885,19 @@ CUSTOM_CVAR(Bool, fullscreen, true, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOIN
setmodeneeded = true;
}
CUSTOM_CVAR(Bool, vid_hdr, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
{
Printf("This won't take effect until " GAMENAME " is restarted.\n");
}
CCMD(vid_listadapters)
{
if (Video != NULL)
Video->DumpAdapters();
}
bool vid_hdr_active = false;
DEFINE_GLOBAL(SmallFont)
DEFINE_GLOBAL(SmallFont2)
DEFINE_GLOBAL(BigFont)

97
src/win32/win32glvideo.cpp
View file

@ -55,12 +55,15 @@
EXTERN_CVAR(Int, vid_adapter)
EXTERN_CVAR(Bool, vr_enable_quadbuffered)
EXTERN_CVAR(Bool, vid_hdr)
CUSTOM_CVAR(Bool, gl_debug, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG | CVAR_NOINITCALL)
{
Printf("This won't take effect until " GAMENAME " is restarted.\n");
}
extern bool vid_hdr_active;
// these get used before GLEW is initialized so we have to use separate pointers with different names
PFNWGLCHOOSEPIXELFORMATARBPROC myWglChoosePixelFormatARB; // = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
PFNWGLCREATECONTEXTATTRIBSARBPROC myWglCreateContextAttribsARB;
@ -233,12 +236,16 @@ bool Win32GLVideo::SetPixelFormat()
//
//==========================================================================
static void append(std::vector<int> &list1, std::initializer_list<int> list2)
{
list1.insert(list1.end(), list2);
}
bool Win32GLVideo::SetupPixelFormat(int multisample)
{
int i;
int colorDepth;
HDC deskDC;
int attributes[28];
std::vector<int> attributes;
int pixelFormat;
unsigned int numFormats;
float attribsFloat[] = { 0.0f, 0.0f };
@ -250,59 +257,77 @@ bool Win32GLVideo::SetupPixelFormat(int multisample)
if (myWglChoosePixelFormatARB)
{
again:
attributes[0] = WGL_RED_BITS_ARB; //bits
attributes[1] = 8;
attributes[2] = WGL_GREEN_BITS_ARB; //bits
attributes[3] = 8;
attributes[4] = WGL_BLUE_BITS_ARB; //bits
attributes[5] = 8;
attributes[6] = WGL_ALPHA_BITS_ARB;
attributes[7] = 8;
attributes[8] = WGL_DEPTH_BITS_ARB;
attributes[9] = 24;
attributes[10] = WGL_STENCIL_BITS_ARB;
attributes[11] = 8;
append(attributes, { WGL_DEPTH_BITS_ARB, 24 });
append(attributes, { WGL_STENCIL_BITS_ARB, 8 });
attributes[12] = WGL_DRAW_TO_WINDOW_ARB; //required to be true
attributes[13] = true;
attributes[14] = WGL_SUPPORT_OPENGL_ARB;
attributes[15] = true;
attributes[16] = WGL_DOUBLE_BUFFER_ARB;
attributes[17] = true;
//required to be true
append(attributes, { WGL_DRAW_TO_WINDOW_ARB, GL_TRUE });
append(attributes, { WGL_SUPPORT_OPENGL_ARB, GL_TRUE });
append(attributes, { WGL_DOUBLE_BUFFER_ARB, GL_TRUE });
if (multisample > 0)
{
attributes[18] = WGL_SAMPLE_BUFFERS_ARB;
attributes[19] = true;
attributes[20] = WGL_SAMPLES_ARB;
attributes[21] = multisample;
i = 22;
}
else
{
i = 18;
append(attributes, { WGL_SAMPLE_BUFFERS_ARB, GL_TRUE });
append(attributes, { WGL_SAMPLES_ARB, multisample });
}
attributes[i++] = WGL_ACCELERATION_ARB; //required to be FULL_ACCELERATION_ARB
attributes[i++] = WGL_FULL_ACCELERATION_ARB;
append(attributes, { WGL_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB }); //required to be FULL_ACCELERATION_ARB
if (vr_enable_quadbuffered)
{
// [BB] Starting with driver version 314.07, NVIDIA GeForce cards support OpenGL quad buffered
// stereo rendering with 3D Vision hardware. Select the corresponding attribute here.
attributes[i++] = WGL_STEREO_ARB;
attributes[i++] = true;
append(attributes, { WGL_STEREO_ARB, GL_TRUE });
}
attributes[i++] = 0;
attributes[i++] = 0;
size_t bitsPos = attributes.size();
if (!myWglChoosePixelFormatARB(m_hDC, attributes, attribsFloat, 1, &pixelFormat, &numFormats))
if (vid_hdr)
{
append(attributes, { WGL_RED_BITS_ARB, 16 });
append(attributes, { WGL_GREEN_BITS_ARB, 16 });
append(attributes, { WGL_BLUE_BITS_ARB, 16 });
append(attributes, { WGL_ALPHA_BITS_ARB, 16 });
append(attributes, { WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_FLOAT_ARB });
}
else
{
append(attributes, { WGL_RED_BITS_ARB, 8 });
append(attributes, { WGL_GREEN_BITS_ARB, 8 });
append(attributes, { WGL_BLUE_BITS_ARB, 8 });
append(attributes, { WGL_ALPHA_BITS_ARB, 8 });
}
append(attributes, { 0, 0 });
if (!myWglChoosePixelFormatARB(m_hDC, attributes.data(), attribsFloat, 1, &pixelFormat, &numFormats))
{
Printf("R_OPENGL: Couldn't choose pixel format. Retrying in compatibility mode\n");
goto oldmethod;
}
if (vid_hdr && numFormats == 0) // This card/driver doesn't support the rgb16f pixel format. Fall back to 8bpc
{
Printf("R_OPENGL: This card/driver does not support RGBA16F. HDR will not work.\n");
attributes.erase(attributes.begin() + bitsPos, attributes.end());
append(attributes, { WGL_RED_BITS_ARB, 8 });
append(attributes, { WGL_GREEN_BITS_ARB, 8 });
append(attributes, { WGL_BLUE_BITS_ARB, 8 });
append(attributes, { WGL_ALPHA_BITS_ARB, 8 });
append(attributes, { 0, 0 });
if (!myWglChoosePixelFormatARB(m_hDC, attributes.data(), attribsFloat, 1, &pixelFormat, &numFormats))
{
Printf("R_OPENGL: Couldn't choose pixel format. Retrying in compatibility mode\n");
goto oldmethod;
}
}
else if (vid_hdr)
{
vid_hdr_active = true;
}
if (numFormats == 0)
{
if (vr_enable_quadbuffered)