diff options
Diffstat (limited to 'render/matrix.c')
| -rw-r--r-- | render/matrix.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/render/matrix.c b/render/matrix.c index d5d7f49d..ca6b995b 100644 --- a/render/matrix.c +++ b/render/matrix.c @@ -4,12 +4,14 @@ #include <wlr/render/matrix.h> #include <wlr/types/wlr_box.h> #include <wlr/types/wlr_output.h> +#include "util/defs.h" /* Obtains the index for the given row/column */ static inline int mind(int row, int col) { return (row - 1) * 4 + col - 1; } +WLR_API void wlr_matrix_identity(float (*output)[16]) { static const float identity[16] = { 1.0f, 0.0f, 0.0f, 0.0f, @@ -20,6 +22,7 @@ void wlr_matrix_identity(float (*output)[16]) { memcpy(*output, identity, sizeof(identity)); } +WLR_API void wlr_matrix_translate(float (*output)[16], float x, float y, float z) { wlr_matrix_identity(output); (*output)[mind(1, 4)] = x; @@ -27,6 +30,7 @@ void wlr_matrix_translate(float (*output)[16], float x, float y, float z) { (*output)[mind(3, 4)] = z; } +WLR_API void wlr_matrix_scale(float (*output)[16], float x, float y, float z) { wlr_matrix_identity(output); (*output)[mind(1, 1)] = x; @@ -34,6 +38,7 @@ void wlr_matrix_scale(float (*output)[16], float x, float y, float z) { (*output)[mind(3, 3)] = z; } +WLR_API void wlr_matrix_rotate(float (*output)[16], float radians) { wlr_matrix_identity(output); float _cos = cosf(radians); @@ -44,6 +49,7 @@ void wlr_matrix_rotate(float (*output)[16], float radians) { (*output)[mind(2, 2)] = _cos; } +WLR_API void wlr_matrix_mul(const float (*x)[16], const float (*y)[16], float (*product)[16]) { float _product[16] = { (*x)[mind(1, 1)] * (*y)[mind(1, 1)] + (*x)[mind(1, 2)] * (*y)[mind(2, 1)] + @@ -120,6 +126,7 @@ static const float transforms[][4] = { }, }; +WLR_API void wlr_matrix_transform(float mat[static 16], enum wl_output_transform transform) { memset(mat, 0, sizeof(*mat) * 16); @@ -138,6 +145,7 @@ void wlr_matrix_transform(float mat[static 16], } // Equivilent to glOrtho(0, width, 0, height, 1, -1) with the transform applied +WLR_API void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height, enum wl_output_transform transform) { memset(mat, 0, sizeof(*mat) * 16); @@ -161,6 +169,7 @@ void wlr_matrix_texture(float mat[static 16], int32_t width, int32_t height, mat[15] = 1.0f; } +WLR_API void wlr_matrix_project_box(float (*mat)[16], struct wlr_box *box, enum wl_output_transform transform, float rotation, float (*projection)[16]) { |