_swrast_choose_texture_sample_func choose_cube_face clamp_rect_coord_linear clamp_rect_coord_nearest compute_min_mag_ranges FRAC I0BIT I1BIT ILERP ilerp_2d ilerp_3d ILERP_SCALE ILERP_SHIFT J0BIT J1BIT K0BIT K1BIT LERP lerp_2d lerp_3d lerp_rgba lerp_rgba_2d lerp_rgba_3d linear_mipmap_level linear_repeat_texel_location linear_texel_locations nearest_mipmap_level nearest_texel_location null_sample_func opt_sample_rgb_2d opt_sample_rgba_2d REMAINDER sample_1d_array_linear sample_1d_array_linear_mipmap_linear sample_1d_array_linear_mipmap_nearest sample_1d_array_nearest sample_1d_array_nearest_mipmap_linear sample_1d_array_nearest_mipmap_nearest sample_1d_linear sample_1d_linear_mipmap_linear sample_1d_linear_mipmap_nearest sample_1d_nearest sample_1d_nearest_mipmap_linear sample_1d_nearest_mipmap_nearest sample_2d_array_linear sample_2d_array_linear_mipmap_linear sample_2d_array_linear_mipmap_nearest sample_2d_array_nearest sample_2d_array_nearest_mipmap_linear sample_2d_array_nearest_mipmap_nearest sample_2d_linear sample_2d_linear_mipmap_linear sample_2d_linear_mipmap_linear_repeat sample_2d_linear_mipmap_nearest sample_2d_linear_repeat sample_2d_nearest sample_2d_nearest_mipmap_linear sample_2d_nearest_mipmap_nearest sample_3d_linear sample_3d_linear_mipmap_linear sample_3d_linear_mipmap_nearest sample_3d_nearest sample_3d_nearest_mipmap_linear sample_3d_nearest_mipmap_nearest sample_cube_linear_mipmap_linear sample_cube_linear_mipmap_nearest sample_cube_nearest_mipmap_linear sample_cube_nearest_mipmap_nearest sample_depth_texture sample_lambda_1d sample_lambda_1d_array sample_lambda_2d sample_lambda_2d_array sample_lambda_3d sample_lambda_cube sample_lambda_rect sample_linear_1d sample_linear_1d_array sample_linear_2d sample_linear_2d_array sample_linear_3d sample_linear_cube sample_linear_rect sample_nearest_1d sample_nearest_1d_array sample_nearest_2d sample_nearest_2d_array sample_nearest_3d sample_nearest_cube sample_nearest_rect

static INLINE void lerp_rgba_3d ( GLchan  result[4], GLfloat  a, GLfloat  b, GLfloat  c, const GLchan  t000[4], const GLchan  t100[4], const GLchan  t010[4], const GLchan  t110[4], const GLchan  t001[4], const GLchan  t101[4], const GLchan  t011[4], const GLchan  t111[4]  ) [static] Do trilinear interpolation of colors. Definition at line 194 of file s_texfilter.c. Referenced by sample_3d_linear(). { GLuint k; /* compiler should unroll these short loops */ #if CHAN_TYPE == GL_FLOAT for (k = 0; k < 4; k++) { result[k] = lerp_3d(a, b, c, t000[k], t100[k], t010[k], t110[k], t001[k], t101[k], t011[k], t111[k]); } #elif CHAN_TYPE == GL_UNSIGNED_SHORT for (k = 0; k < 4; k++) { result[k] = (GLchan)(lerp_3d(a, b, c, t000[k], t100[k], t010[k], t110[k], t001[k], t101[k], t011[k], t111[k]) + 0.5F); } #else GLint ia = IROUND_POS(a * ILERP_SCALE); GLint ib = IROUND_POS(b * ILERP_SCALE); GLint ic = IROUND_POS(c * ILERP_SCALE); for (k = 0; k < 4; k++) { result[k] = ilerp_3d(ia, ib, ic, t000[k], t100[k], t010[k], t110[k], t001[k], t101[k], t011[k], t111[k]); } #endif }