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mme4crt · Nov 8, 2016 · 18da1fc · 18da1fc
1 parent 5e9a677
commit 18da1fc
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/cores/libretro-ffmpeg/fft/fft.cpp b/cores/libretro-ffmpeg/fft/fft.cpp
@@ -186,6 +186,9 @@ static void fft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned
 #endif
    glm::mat4 mvp_lookat = glm::lookAt(eye, center, up);
 #ifdef GLM_USE_DEBUG
+   printf("eye %.2f %.2f %.2f\n", eye.x, eye.y, eye.z);
+   printf("center %.2f %.2f %.2f\n", center.x, center.y, center.z);
+   printf("up %.2f %.2f %.2f\n", up.x, up.y, up.z);
    printf("mvp_lookat: \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n %.2f, %.2f, %.2f, %.2f \n\n",
          mvp_lookat[0][0],
          mvp_lookat[0][1],
@@ -269,6 +272,9 @@ static void fft_render(glfft_t *fft, GLuint backbuffer, unsigned width, unsigned
          MAT_ELEM_4X4(mvp_persp, 3, 2),
          MAT_ELEM_4X4(mvp_persp, 3, 3)
          );
+   printf("eye %.2f %.2f %.2f\n", eye[0], eye[1], eye[2]);
+   printf("center %.2f %.2f %.2f\n", center[0], center[1], center[2]);
+   printf("up %.2f %.2f %.2f\n", up[0], up[1], up[2]);
 #endif
    matrix_4x4_lookat(&mvp_lookat, eye, center, up);
 #ifdef GLM_USE_DEBUG

diff --git a/libretro-common/gfx/math/matrix_4x4.c b/libretro-common/gfx/math/matrix_4x4.c
@@ -233,11 +233,11 @@ void matrix_4x4_projection(math_matrix_4x4 *out,
    MAT_ELEM_4X4(*out, 2, 0) = 0.0f;
    MAT_ELEM_4X4(*out, 2, 1) = 0.0f;
    MAT_ELEM_4X4(*out, 2, 2) = -((zfar + znear) / delta_z);
-   MAT_ELEM_4X4(*out, 2, 3) = -((2.f * zfar * znear) / delta_z);
+   MAT_ELEM_4X4(*out, 2, 3) = -1.f;
    MAT_ELEM_4X4(*out, 3, 0) = 0.0f;
    MAT_ELEM_4X4(*out, 3, 1) = 0.0f;
-   MAT_ELEM_4X4(*out, 3, 2) = -1.f;
-   MAT_ELEM_4X4(*out, 3, 3) = 1.0f;
+   MAT_ELEM_4X4(*out, 3, 2) = -((2.f * zfar * znear) / delta_z);
+   MAT_ELEM_4X4(*out, 3, 3) = 0.0f;
 }
 
 void matrix_4x4_lookat(math_matrix_4x4 *out,