From: Anuj Phogat Date: Wed, 29 Jul 2015 16:41:18 +0000 (-0700) Subject: Delete duplicate function is_power_of_two() and use _mesa_is_pow_two() X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2484263fe97cebc9fa7a5c9de04c757dc6cc7713;p=mesa.git Delete duplicate function is_power_of_two() and use _mesa_is_pow_two() Signed-off-by: Anuj Phogat Reviewed-by: Iago Toral Quiroga Reviewed-by: Tapani Pälli --- diff --git a/src/mesa/drivers/common/meta_blit.c b/src/mesa/drivers/common/meta_blit.c index 317a304bebf..71d18de87db 100644 --- a/src/mesa/drivers/common/meta_blit.c +++ b/src/mesa/drivers/common/meta_blit.c @@ -82,7 +82,7 @@ setup_glsl_msaa_blit_scaled_shader(struct gl_context *ctx, y_scale = samples * 0.5; /* We expect only power of 2 samples in source multisample buffer. */ - assert(samples > 0 && is_power_of_two(samples)); + assert(samples > 0 && _mesa_is_pow_two(samples)); while (samples >> (shader_offset + 1)) { shader_offset++; } @@ -263,7 +263,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx, } /* We expect only power of 2 samples in source multisample buffer. */ - assert(samples > 0 && is_power_of_two(samples)); + assert(samples > 0 && _mesa_is_pow_two(samples)); while (samples >> (shader_offset + 1)) { shader_offset++; } @@ -434,7 +434,7 @@ setup_glsl_msaa_blit_shader(struct gl_context *ctx, * (so the floating point exponent just gets increased), rather than * doing a naive sum and dividing. */ - assert(is_power_of_two(samples)); + assert(_mesa_is_pow_two(samples)); /* Fetch each individual sample. */ sample_resolve = rzalloc_size(mem_ctx, 1); for (i = 0; i < samples; i++) { diff --git a/src/mesa/drivers/dri/i915/i915_texstate.c b/src/mesa/drivers/dri/i915/i915_texstate.c index aef5ff99eb2..f653f441ad8 100644 --- a/src/mesa/drivers/dri/i915/i915_texstate.c +++ b/src/mesa/drivers/dri/i915/i915_texstate.c @@ -342,7 +342,7 @@ i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3) * Thus, I guess we need do this for other platforms as well. */ if (tObj->Target == GL_TEXTURE_CUBE_MAP_ARB && - !is_power_of_two(firstImage->Height)) + !_mesa_is_pow_two(firstImage->Height)) return false; state[I915_TEXREG_SS3] = ss3; /* SS3_NORMALIZED_COORDS */ diff --git a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp index 01d3a569858..96d4f375da2 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp @@ -173,7 +173,7 @@ ir_vector_reference_visitor::visit_enter(ir_assignment *ir) return visit_continue_with_parent; } if (ir->lhs->as_dereference_variable() && - is_power_of_two(ir->write_mask) && + _mesa_is_pow_two(ir->write_mask) && !ir->condition) { /* If we're writing just a channel, then channel-splitting the LHS is OK. */ diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h index c8b134103bb..4867148c12f 100644 --- a/src/mesa/drivers/dri/i965/brw_reg.h +++ b/src/mesa/drivers/dri/i965/brw_reg.h @@ -853,7 +853,7 @@ static inline struct brw_reg spread(struct brw_reg reg, unsigned s) { if (s) { - assert(is_power_of_two(s)); + assert(_mesa_is_pow_two(s)); if (reg.hstride) reg.hstride += cvt(s) - 1; diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c index 85c0864d2c8..fb78b08b649 100644 --- a/src/mesa/drivers/dri/i965/brw_tex_layout.c +++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c @@ -63,7 +63,7 @@ tr_mode_horizontal_texture_alignment(const struct brw_context *brw, int i = 0; /* Alignment computations below assume bpp >= 8 and a power of 2. */ - assert (bpp >= 8 && bpp <= 128 && is_power_of_two(bpp)); + assert (bpp >= 8 && bpp <= 128 && _mesa_is_pow_two(bpp)); switch(mt->target) { case GL_TEXTURE_1D: @@ -95,7 +95,7 @@ tr_mode_horizontal_texture_alignment(const struct brw_context *brw, ret_align = mt->tr_mode == INTEL_MIPTREE_TRMODE_YF ? align_yf[i] : align_ys[i]; - assert(is_power_of_two(mt->num_samples)); + assert(_mesa_is_pow_two(mt->num_samples)); switch (mt->num_samples) { case 2: @@ -199,7 +199,7 @@ tr_mode_vertical_texture_alignment(const struct brw_context *brw, mt->target != GL_TEXTURE_1D_ARRAY); /* Alignment computations below assume bpp >= 8 and a power of 2. */ - assert (bpp >= 8 && bpp <= 128 && is_power_of_two(bpp)) ; + assert (bpp >= 8 && bpp <= 128 && _mesa_is_pow_two(bpp)) ; switch(mt->target) { case GL_TEXTURE_2D: @@ -226,7 +226,7 @@ tr_mode_vertical_texture_alignment(const struct brw_context *brw, ret_align = mt->tr_mode == INTEL_MIPTREE_TRMODE_YF ? align_yf[i] : align_ys[i]; - assert(is_power_of_two(mt->num_samples)); + assert(_mesa_is_pow_two(mt->num_samples)); switch (mt->num_samples) { case 4: diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp index 0483afc8fe0..92050b94d33 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp @@ -1545,7 +1545,7 @@ vec4_generator::generate_code(const cfg_t *cfg) * * where they pack the four bytes from the low and high four DW. */ - assert(is_power_of_two(dst.dw1.bits.writemask) && + assert(_mesa_is_pow_two(dst.dw1.bits.writemask) && dst.dw1.bits.writemask != 0); unsigned offset = __builtin_ctz(dst.dw1.bits.writemask); diff --git a/src/mesa/drivers/dri/i965/intel_blit.c b/src/mesa/drivers/dri/i965/intel_blit.c index 4fc3fa803cb..6d92580e725 100644 --- a/src/mesa/drivers/dri/i965/intel_blit.c +++ b/src/mesa/drivers/dri/i965/intel_blit.c @@ -121,14 +121,14 @@ get_tr_horizontal_align(uint32_t tr_mode, uint32_t cpp, bool is_src) { return 0; /* Compute array index. */ - assert (bpp >= 8 && bpp <= 128 && is_power_of_two(bpp)); + assert (bpp >= 8 && bpp <= 128 && _mesa_is_pow_two(bpp)); i = ffs(bpp / 8) - 1; align = tr_mode == INTEL_MIPTREE_TRMODE_YF ? align_2d_yf[i] : 4 * align_2d_yf[i]; - assert(is_power_of_two(align)); + assert(_mesa_is_pow_two(align)); /* XY_FAST_COPY_BLT doesn't support horizontal alignment of 16. */ if (align == 16) @@ -150,14 +150,14 @@ get_tr_vertical_align(uint32_t tr_mode, uint32_t cpp, bool is_src) { return 0; /* Compute array index. */ - assert (bpp >= 8 && bpp <= 128 && is_power_of_two(bpp)); + assert (bpp >= 8 && bpp <= 128 && _mesa_is_pow_two(bpp)); i = ffs(bpp / 8) - 1; align = tr_mode == INTEL_MIPTREE_TRMODE_YF ? align_2d_yf[i] : 4 * align_2d_yf[i]; - assert(is_power_of_two(align)); + assert(_mesa_is_pow_two(align)); /* XY_FAST_COPY_BLT doesn't support vertical alignments of 16 and 32. */ if (align == 16 || align == 32) diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index 0608650aeb4..07919a6e1e4 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -678,17 +678,6 @@ minify(unsigned value, unsigned levels) return MAX2(1, value >> levels); } -/** - * Return true if the given value is a power of two. - * - * Note that this considers 0 a power of two. - */ -static inline bool -is_power_of_two(unsigned value) -{ - return (value & (value - 1)) == 0; -} - /** * Align a value up to an alignment value *