implement glad into torque.

This commit is contained in:
Jeff Hutchinson 2016-09-11 21:45:28 -04:00
parent fd4628a08a
commit 11c3314f66
5 changed files with 18 additions and 19 deletions

View file

@ -134,7 +134,8 @@ void GFXGLDevice::initGLState()
mCardProfiler = new GFXGLCardProfiler();
mCardProfiler->init();
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, (GLint*)&mMaxShaderTextures);
glGetIntegerv(GL_MAX_TEXTURE_UNITS, (GLint*)&mMaxFFTextures);
// JTH: Needs removed, ffp
//glGetIntegerv(GL_MAX_TEXTURE_UNITS, (GLint*)&mMaxFFTextures);
glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS, (GLint*)&mMaxTRColors);
mMaxTRColors = getMin( mMaxTRColors, (U32)(GFXTextureTarget::MaxRenderSlotId-1) );
@ -641,7 +642,7 @@ void GFXGLDevice::setLightMaterialInternal(const GFXLightMaterial mat)
void GFXGLDevice::setGlobalAmbientInternal(ColorF color)
{
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, (GLfloat*)&color);
// ONLY NEEDED ON FFP
}
void GFXGLDevice::setTextureInternal(U32 textureUnit, const GFXTextureObject*texture)
@ -697,12 +698,12 @@ void GFXGLDevice::setClipRect( const RectI &inRect )
const F32 right = mClip.point.x + mClip.extent.x;
const F32 bottom = mClip.extent.y;
const F32 top = 0.0f;
const F32 near = 0.0f;
const F32 far = 1.0f;
const F32 nearPlane = 0.0f;
const F32 farPlane = 1.0f;
const F32 tx = -(right + left)/(right - left);
const F32 ty = -(top + bottom)/(top - bottom);
const F32 tz = -(far + near)/(far - near);
const F32 tz = -(farPlane + nearPlane)/(farPlane - nearPlane);
static Point4F pt;
pt.set(2.0f / (right - left), 0.0f, 0.0f, 0.0f);
@ -711,7 +712,7 @@ void GFXGLDevice::setClipRect( const RectI &inRect )
pt.set(0.0f, 2.0f/(top - bottom), 0.0f, 0.0f);
mProjectionMatrix.setColumn(1, pt);
pt.set(0.0f, 0.0f, -2.0f/(far - near), 0.0f);
pt.set(0.0f, 0.0f, -2.0f/(farPlane - nearPlane), 0.0f);
mProjectionMatrix.setColumn(2, pt);
pt.set(tx, ty, tz, 1.0f);

View file

@ -33,11 +33,10 @@ namespace GL
{
void gglPerformBinds()
{
// JTH: epoxy has one oddity with windows. You need to bind the context
// after creating the context to udpate the internals of epoxy.
#ifdef TORQUE_OS_WIN
epoxy_handle_external_wglMakeCurrent();
#endif
if (!gladLoadGL())
{
AssertFatal(false, "Unable to load GLAD. Make sure your OpenGL drivers are up to date!");
}
}
void gglPerformExtensionBinds(void *context)

View file

@ -23,11 +23,10 @@
#ifndef T_GL_H
#define T_GL_H
#include <epoxy/gl.h>
#include <glad/glad.h>
// JTH: This is slow, we should probably check extensions once and cache them
// directly inside of some compatability table.
#define gglHasExtension(EXTENSION) epoxy_has_gl_extension("GL_" #EXTENSION)
// JTH: When we use glad, extensions are chached into simple booleans (ints)
#define gglHasExtension(EXTENSION) GLAD_GL_##EXTENSION
#endif

View file

@ -28,9 +28,9 @@
#ifdef TORQUE_OPENGL
#include "tGL.h"
#include <epoxy/wgl.h>
#include <glad/glad_wgl.h>
#define gglHasWExtension(window, EXTENSION) epoxy_has_wgl_extension(window, "WGL_" # EXTENSION)
#define gglHasWExtension(window, EXTENSION) GLAD_WGL_##EXTENSION
#endif //TORQUE_OPENGL

View file

@ -28,9 +28,9 @@
#ifdef TORQUE_OS_LINUX
#include "tGL.h"
#include <epoxy/glx.h>
#include <glad/glad_glx.h>
#define gglHasXExtension(display, screen, EXTENSION) epoxy_has_glx_extension(display, screen, "GLX_" # EXTENSION)
#define gglHasXExtension(display, screen, EXTENSION)
#endif //TORQUE_OS_LINUX