Fix windows;

src/graphics/graphics.c

@@ -1,3 +1,4 @@
+#define _USE_MATH_DEFINES
 #include "graphics.h"
 #include "model.h"
 #include "buffer.h"
@@ -5,6 +6,7 @@
 #include "../glfw.h"
 #include "../util.h"
 #include <stdlib.h>
+#include <math.h>
 #include <assimp/cimport.h>
 #include <assimp/scene.h>
 #include <assimp/postprocess.h>
@@ -105,6 +107,10 @@ void lovrGraphicsSetProjection(float near, float far, float fov) {
   mat4_setProjection(state.projection, near, far, fov, (float) width / height);
 }
 
+void lovrGraphicsSetProjectionRaw(mat4 projection) {
+  memcpy(state.projection, projection, 16 * sizeof(float));
+}
+
 int lovrGraphicsPush() {
   vec_mat4_t* transforms = &state.transforms;
   if (transforms->length >= 64) { return 1; }

src/graphics/graphics.h

@@ -26,6 +26,7 @@ Shader* lovrGraphicsGetShader();
 void lovrGraphicsSetShader(Shader* shader);
 void lovrGraphicsGetProjection(float* near, float* far, float* fov);
 void lovrGraphicsSetProjection(float near, float far, float fov);
+void lovrGraphicsSetProjectionRaw(mat4 projection);
 int lovrGraphicsPush();
 int lovrGraphicsPop();
 void lovrGraphicsOrigin();

src/headset/vive.c

@@ -76,7 +76,8 @@ Headset* viveInit() {
   }
 
   state->deviceIndex = k_unTrackedDeviceIndex_Hmd;
-
+  state->clipNear = 0.1f;
+  state->clipFar = 30.f;
   state->vrSystem->GetRecommendedRenderTargetSize(&state->renderWidth, &state->renderHeight);
 
   glGenFramebuffers(1, &state->framebuffer);
@@ -213,14 +214,13 @@ void viveRenderTo(void* headset, headsetRenderCallback callback, void* userdata)
     float far = state->clipFar;
     matrix = state->vrSystem->GetProjectionMatrix(eye, near, far, graphicsConvention).m;
     mat4_fromMat44(projectionMatrix, matrix);
+    lovrGraphicsSetProjectionRaw(projectionMatrix);
 
     Shader* shader = lovrGraphicsGetShader();
     if (shader) {
       int lovrTransformId = lovrShaderGetUniformId(shader, "lovrTransform");
-      int lovrProjectionId = lovrShaderGetUniformId(shader, "lovrProjection");
       mat4 transformMatrix = mat4_multiply(eyeMatrix, headMatrix);
       lovrShaderSendFloatMat4(shader, lovrTransformId, transformMatrix);
-      lovrShaderSendFloatMat4(shader, lovrProjectionId, projectionMatrix);
     }
 
     glEnable(GL_MULTISAMPLE);