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Diffstat (limited to 'test/demo_utils.h')
| -rw-r--r-- | test/demo_utils.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/test/demo_utils.h b/test/demo_utils.h deleted file mode 100644 index 94be68e..0000000 --- a/test/demo_utils.h +++ /dev/null @@ -1,170 +0,0 @@ -/* - Copyright 2012-2019 David Robillard <http://drobilla.net> - - Permission to use, copy, modify, and/or distribute this software for any - purpose with or without fee is hereby granted, provided that the above - copyright notice and this permission notice appear in all copies. - - THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -*/ - -#include "pugl/pugl.h" - -#include <math.h> -#include <stdint.h> -#include <stdio.h> -#include <string.h> - -typedef struct { - double lastReportTime; -} PuglFpsPrinter; - -typedef float vec4[4]; -typedef vec4 mat4[4]; - -// clang-format off - -static const float cubeStripVertices[] = { - -1.0f, 1.0f, 1.0f, // Front top left - 1.0f, 1.0f, 1.0f, // Front top right - -1.0f, -1.0f, 1.0f, // Front bottom left - 1.0f, -1.0f, 1.0f, // Front bottom right - 1.0f, -1.0f, -1.0f, // Back bottom right - 1.0f, 1.0f, 1.0f, // Front top right - 1.0f, 1.0f, -1.0f, // Back top right - -1.0f, 1.0f, 1.0f, // Front top left - -1.0f, 1.0f, -1.0f, // Back top left - -1.0f, -1.0f, 1.0f, // Front bottom left - -1.0f, -1.0f, -1.0f, // Back bottom left - 1.0f, -1.0f, -1.0f, // Back bottom right - -1.0f, 1.0f, -1.0f, // Back top left - 1.0f, 1.0f, -1.0f // Back top right -}; - -static const float cubeFrontLineLoop[] = { - -1.0f, 1.0f, 1.0f, // Front top left - 1.0f, 1.0f, 1.0f, // Front top right - 1.0f, -1.0f, 1.0f, // Front bottom right - -1.0f, -1.0f, 1.0f, // Front bottom left -}; - -static const float cubeBackLineLoop[] = { - -1.0f, 1.0f, -1.0f, // Back top left - 1.0f, 1.0f, -1.0f, // Back top right - 1.0f, -1.0f, -1.0f, // Back bottom right - -1.0f, -1.0f, -1.0f, // Back bottom left -}; - -static const float cubeSideLines[] = { - -1.0f, 1.0f, 1.0f, // Front top left - -1.0f, 1.0f, -1.0f, // Back top left - - -1.0f, -1.0f, 1.0f, // Front bottom left - -1.0f, -1.0f, -1.0f, // Back bottom left - - 1.0f, 1.0f, 1.0f, // Front top right - 1.0f, 1.0f, -1.0f, // Back top right - - 1.0f, -1.0f, 1.0f, // Front bottom right - 1.0f, -1.0f, -1.0f, // Back bottom right -}; - -// clang-format on - -static inline void -mat4Identity(mat4 m) -{ - for (int c = 0; c < 4; ++c) { - for (int r = 0; r < 4; ++r) { - m[c][r] = c == r ? 1.0f : 0.0f; - } - } -} - -static inline void -mat4Translate(mat4 m, const float x, const float y, const float z) -{ - m[3][0] = x; - m[3][1] = y; - m[3][2] = z; -} - -static inline void -mat4Mul(mat4 m, mat4 a, mat4 b) -{ - for (int c = 0; c < 4; ++c) { - for (int r = 0; r < 4; ++r) { - m[c][r] = 0.0f; - for (int k = 0; k < 4; ++k) { - m[c][r] += a[k][r] * b[c][k]; - } - } - } -} - -static inline void -mat4Ortho(mat4 m, - const float l, - const float r, - const float b, - const float t, - const float n, - const float f) -{ - m[0][0] = 2.0f / (r - l); - m[0][1] = m[0][2] = m[0][3] = 0.0f; - - m[1][1] = 2.0f / (t - b); - m[1][0] = m[1][2] = m[1][3] = 0.0f; - - m[2][2] = -2.0f / (f - n); - m[2][0] = m[2][1] = m[2][3] = 0.0f; - - m[3][0] = -(r + l) / (r - l); - m[3][1] = -(t + b) / (t - b); - m[3][2] = -(f + n) / (f - n); - m[3][3] = 1.0f; -} - -/** Calculate a projection matrix for a given perspective. */ -static inline void -perspective(float* m, float fov, float aspect, float zNear, float zFar) -{ - const float h = tanf(fov); - const float w = h / aspect; - const float depth = zNear - zFar; - const float q = (zFar + zNear) / depth; - const float qn = 2 * zFar * zNear / depth; - - // clang-format off - m[0] = w; m[1] = 0; m[2] = 0; m[3] = 0; - m[4] = 0; m[5] = h; m[6] = 0; m[7] = 0; - m[8] = 0; m[9] = 0; m[10] = q; m[11] = -1; - m[12] = 0; m[13] = 0; m[14] = qn; m[15] = 0; - // clang-format on -} - -static inline void -puglPrintFps(const PuglWorld* world, - PuglFpsPrinter* printer, - unsigned* const framesDrawn) -{ - const double thisTime = puglGetTime(world); - if (thisTime > printer->lastReportTime + 5) { - const double fps = *framesDrawn / (thisTime - printer->lastReportTime); - fprintf(stderr, - "%u frames in %.0f seconds = %.3f FPS\n", - *framesDrawn, - thisTime - printer->lastReportTime, - fps); - - printer->lastReportTime = thisTime; - *framesDrawn = 0; - } -} |