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ector: cleanup code convention of the gradient code.

This commit is contained in:
Cedric BAIL 2015-10-20 16:36:20 -07:00
parent 9023f6d28c
commit dcc0894049
1 changed files with 117 additions and 94 deletions
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211
src/lib/ector/software/ector_software_gradient.c
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@ -16,19 +16,20 @@
#define FIXPT_BITS 8
#define FIXPT_SIZE (1<<FIXPT_BITS)
typedef void (*Radial_Helper_Func)(uint *buffer, int length, Ector_Renderer_Software_Gradient_Data *g_data,
float det, float delta_det, float delta_delta_det, float b, float delta_b);
typedef void (*Ector_Radial_Helper_Func)(uint *buffer, int length, Ector_Renderer_Software_Gradient_Data *g_data,
float det, float delta_det, float delta_delta_det, float b, float delta_b);
typedef void (*Linear_Helper_Func)(uint *buffer, int length, Ector_Renderer_Software_Gradient_Data *g_data,
int t_fixed, int inc_fixed);
typedef void (*Ector_Linear_Helper_Func)(uint *buffer, int length, Ector_Renderer_Software_Gradient_Data *g_data,
int t_fixed, int inc_fixed);
Radial_Helper_Func radial_helper;
Linear_Helper_Func linear_helper;
static Ector_Radial_Helper_Func _ector_radial_helper;
static Ector_Linear_Helper_Func _ector_linear_helper;
static inline int
_gradient_clamp(const Ector_Renderer_Software_Gradient_Data *data, int ipos)
{
int limit;
if (data->gd->s == EFL_GFX_GRADIENT_SPREAD_REPEAT)
{
ipos = ipos % GRADIENT_STOPTABLE_SIZE;
@ -50,11 +51,11 @@ _gradient_clamp(const Ector_Renderer_Software_Gradient_Data *data, int ipos)
return ipos;
}
static uint
_gradient_pixel_fixed(const Ector_Renderer_Software_Gradient_Data *data, int fixed_pos)
{
int ipos = (fixed_pos + (FIXPT_SIZE / 2)) >> FIXPT_BITS;
return data->color_table[_gradient_clamp(data, ipos)];
}
@ -62,6 +63,7 @@ static inline uint
_gradient_pixel(const Ector_Renderer_Software_Gradient_Data *data, float pos)
{
int ipos = (int)(pos * (GRADIENT_STOPTABLE_SIZE - 1) + (float)(0.5));
return data->color_table[_gradient_clamp(data, ipos)];
}
@ -70,8 +72,8 @@ _gradient_pixel(const Ector_Renderer_Software_Gradient_Data *data, float pos)
#include <immintrin.h>
#define GRADIENT_STOPTABLE_SIZE_SHIFT 10
typedef union{ __m128i v; int i[4];}vec4_i;
typedef union{ __m128 v; float f[4];}vec4_f;
typedef union { __m128i v; int i[4];} vec4_i;
typedef union { __m128 v; float f[4];} vec4_f;
#define FETCH_CLAMP_INIT_F \
__m128 v_min = _mm_set1_ps(0.0f); \
@ -95,7 +97,6 @@ typedef union{ __m128 v; float f[4];}vec4_f;
vec4_i index_vec; \
index_vec.v = _mm_cvttps_epi32(_mm_min_ps(v_max, _mm_max_ps(v_min, v_index)));
#define FETCH_EPILOGUE_CPY \
*buffer++ = g_data->color_table[index_vec.i[0]]; \
*buffer++ = g_data->color_table[index_vec.i[1]]; \
@ -103,31 +104,43 @@ typedef union{ __m128 v; float f[4];}vec4_f;
*buffer++ = g_data->color_table[index_vec.i[3]]; \
}
static void
static void
loop_break(unsigned int *buffer, int length, int *lprealign, int *lby4 , int *lremaining)
{
int l1=0,l2=0,l3=0;
int l1=0, l2=0, l3=0;
while ((uintptr_t)buffer & 0xF)
buffer++ , l1++;
if(length <= l1)
l1 = length;
{
l1 = length;
}
else
{
l3 = (length - l1)%4;
l3 = (length - l1) % 4;
l2 = length - l1 - l3 ;
}
*lprealign = l1;
*lby4 = l2;
*lremaining = l3;
}
static void
static void
_radial_helper_sse3(uint *buffer, int length, Ector_Renderer_Software_Gradient_Data *g_data,
float det, float delta_det, float delta_delta_det, float b, float delta_b)
{
int lprealign, lby4, lremaining, i;
vec4_f det_vec;
vec4_f delta_det4_vec;
vec4_f b_vec;
__m128 v_delta_delta_det16;
__m128 v_delta_delta_det6;
__m128 v_delta_b4;
loop_break(buffer, length, &lprealign, &lby4, &lremaining);
// prealign loop
for (i = 0 ; i < lprealign ; i++)
{
@ -138,10 +151,6 @@ _radial_helper_sse3(uint *buffer, int length, Ector_Renderer_Software_Gradient_D
}
// lby4 16byte align loop
vec4_f det_vec;
vec4_f delta_det4_vec;
vec4_f b_vec;
for (i = 0; i < 4; ++i)
{
det_vec.f[i] = det;
@ -153,37 +162,36 @@ _radial_helper_sse3(uint *buffer, int length, Ector_Renderer_Software_Gradient_D
b += delta_b;
}
__m128 v_delta_delta_det16 = _mm_set1_ps(16 * delta_delta_det);
__m128 v_delta_delta_det6 = _mm_set1_ps(6 * delta_delta_det);
__m128 v_delta_b4 = _mm_set1_ps(4 * delta_b);
#define FETCH_RADIAL_PROLOGUE \
for (i = 0 ; i < lby4 ; i+=4) { \
__m128 v_index_local = _mm_sub_ps(_mm_sqrt_ps(det_vec.v), b_vec.v); \
__m128 v_index = _mm_add_ps(_mm_mul_ps(v_index_local, v_max), v_halff); \
det_vec.v = _mm_add_ps(_mm_add_ps(det_vec.v, delta_det4_vec.v), v_delta_delta_det6); \
delta_det4_vec.v = _mm_add_ps(delta_det4_vec.v, v_delta_delta_det16); \
b_vec.v = _mm_add_ps(b_vec.v, v_delta_b4);
v_delta_delta_det16 = _mm_set1_ps(16 * delta_delta_det);
v_delta_delta_det6 = _mm_set1_ps(6 * delta_delta_det);
v_delta_b4 = _mm_set1_ps(4 * delta_b);
#define FETCH_RADIAL_PROLOGUE \
for (i = 0 ; i < lby4 ; i+=4) { \
__m128 v_index_local = _mm_sub_ps(_mm_sqrt_ps(det_vec.v), b_vec.v); \
__m128 v_index = _mm_add_ps(_mm_mul_ps(v_index_local, v_max), v_halff); \
det_vec.v = _mm_add_ps(_mm_add_ps(det_vec.v, delta_det4_vec.v), v_delta_delta_det6); \
delta_det4_vec.v = _mm_add_ps(delta_det4_vec.v, v_delta_delta_det16); \
b_vec.v = _mm_add_ps(b_vec.v, v_delta_b4);
#define FETCH_RADIAL_LOOP(FETCH_CLAMP) \
FETCH_RADIAL_PROLOGUE \
FETCH_CLAMP \
FETCH_EPILOGUE_CPY
FETCH_RADIAL_PROLOGUE; \
FETCH_CLAMP; \
FETCH_EPILOGUE_CPY;
FETCH_CLAMP_INIT_F
switch (g_data->gd->s)
{
case EFL_GFX_GRADIENT_SPREAD_REPEAT:
FETCH_RADIAL_LOOP(FETCH_CLAMP_REPEAT_F)
break;
case EFL_GFX_GRADIENT_SPREAD_REFLECT:
FETCH_RADIAL_LOOP( FETCH_CLAMP_REFLECT_F)
break;
default:
FETCH_RADIAL_LOOP(FETCH_CLAMP_PAD_F)
break;
}
FETCH_CLAMP_INIT_F;
switch (g_data->gd->s)
{
case EFL_GFX_GRADIENT_SPREAD_REPEAT:
FETCH_RADIAL_LOOP(FETCH_CLAMP_REPEAT_F);
break;
case EFL_GFX_GRADIENT_SPREAD_REFLECT:
FETCH_RADIAL_LOOP( FETCH_CLAMP_REFLECT_F);
break;
default:
FETCH_RADIAL_LOOP(FETCH_CLAMP_PAD_F);
break;
}
// remaining loop
for (i = 0 ; i < lremaining ; i++)
@ -194,7 +202,17 @@ static void
_linear_helper_sse3(uint *buffer, int length, Ector_Renderer_Software_Gradient_Data *g_data, int t, int inc)
{
int lprealign, lby4, lremaining, i;
loop_break(buffer, length, &lprealign, &lby4, &lremaining);
vec4_i t_vec;
__m128i v_inc;
__m128i v_fxtpt_size;
__m128i v_min;
__m128i v_max;
__m128i v_repeat_mask;
__m128i v_reflect_mask;
__m128i v_reflect_limit;
loop_break(buffer, length, &lprealign, &lby4, &lremaining);
// prealign loop
for (i = 0 ; i < lprealign ; i++)
{
@ -203,61 +221,58 @@ _linear_helper_sse3(uint *buffer, int length, Ector_Renderer_Software_Gradient_D
}
// lby4 16byte align loop
vec4_i t_vec;
for (i = 0; i < 4; ++i)
{
t_vec.i[i] = t;
t += inc;
}
__m128i v_inc = _mm_set1_epi32(4 * inc);
__m128i v_fxtpt_size = _mm_set1_epi32(FIXPT_SIZE * 0.5);
v_inc = _mm_set1_epi32(4 * inc);
v_fxtpt_size = _mm_set1_epi32(FIXPT_SIZE * 0.5);
__m128i v_min = _mm_set1_epi32(0);
__m128i v_max = _mm_set1_epi32((GRADIENT_STOPTABLE_SIZE-1));
v_min = _mm_set1_epi32(0);
v_max = _mm_set1_epi32((GRADIENT_STOPTABLE_SIZE - 1));
__m128i v_repeat_mask = _mm_set1_epi32(~((uint)(0xffffff) << GRADIENT_STOPTABLE_SIZE_SHIFT));
__m128i v_reflect_mask = _mm_set1_epi32(~((uint)(0xffffff) << (GRADIENT_STOPTABLE_SIZE_SHIFT+1)));
v_repeat_mask = _mm_set1_epi32(~((uint)(0xffffff) << GRADIENT_STOPTABLE_SIZE_SHIFT));
v_reflect_mask = _mm_set1_epi32(~((uint)(0xffffff) << (GRADIENT_STOPTABLE_SIZE_SHIFT + 1)));
__m128i v_reflect_limit = _mm_set1_epi32(2 * GRADIENT_STOPTABLE_SIZE - 1);
v_reflect_limit = _mm_set1_epi32(2 * GRADIENT_STOPTABLE_SIZE - 1);
#define FETCH_LINEAR_LOOP_PROLOGUE \
for (i = 0 ; i < lby4 ; i+=4) { \
vec4_i index_vec;\
__m128i v_index;\
v_index = _mm_srai_epi32(_mm_add_epi32(t_vec.v, v_fxtpt_size), FIXPT_BITS); \
t_vec.v = _mm_add_epi32(t_vec.v, v_inc);
#define FETCH_LINEAR_LOOP_PROLOGUE \
for (i = 0 ; i < lby4 ; i+=4) { \
vec4_i index_vec; \
__m128i v_index; \
v_index = _mm_srai_epi32(_mm_add_epi32(t_vec.v, v_fxtpt_size), FIXPT_BITS); \
t_vec.v = _mm_add_epi32(t_vec.v, v_inc);
#define FETCH_LINEAR_LOOP_CLAMP_REPEAT \
index_vec.v = _mm_and_si128(v_repeat_mask, v_index);
#define FETCH_LINEAR_LOOP_CLAMP_REPEAT \
index_vec.v = _mm_and_si128(v_repeat_mask, v_index);
#define FETCH_LINEAR_LOOP_CLAMP_REFLECT \
__m128i v_index_i = _mm_and_si128(v_reflect_mask, v_index); \
__m128i v_index_i_inv = _mm_sub_epi32(v_reflect_limit, v_index_i); \
index_vec.v = _mm_min_epi16(v_index_i, v_index_i_inv);
#define FETCH_LINEAR_LOOP_CLAMP_REFLECT \
__m128i v_index_i = _mm_and_si128(v_reflect_mask, v_index); \
__m128i v_index_i_inv = _mm_sub_epi32(v_reflect_limit, v_index_i); \
index_vec.v = _mm_min_epi16(v_index_i, v_index_i_inv);
#define FETCH_LINEAR_LOOP_CLAMP_PAD \
index_vec.v = _mm_min_epi16(v_max, _mm_max_epi16(v_min, v_index));
#define FETCH_LINEAR_LOOP_CLAMP_PAD \
index_vec.v = _mm_min_epi16(v_max, _mm_max_epi16(v_min, v_index));
#define FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP) \
FETCH_LINEAR_LOOP_PROLOGUE; \
FETCH_LINEAR_LOOP_CLAMP; \
FETCH_EPILOGUE_CPY;
#define FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP) \
FETCH_LINEAR_LOOP_PROLOGUE \
FETCH_LINEAR_LOOP_CLAMP \
FETCH_EPILOGUE_CPY
switch (g_data->gd->s)
{
switch (g_data->gd->s)
{
case EFL_GFX_GRADIENT_SPREAD_REPEAT:
FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP_REPEAT)
break;
FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP_REPEAT);
break;
case EFL_GFX_GRADIENT_SPREAD_REFLECT:
FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP_REFLECT)
break;
FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP_REFLECT);
break;
default:
FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP_PAD)
break;
}
FETCH_LINEAR_LOOP(FETCH_LINEAR_LOOP_CLAMP_PAD);
break;
}
// remaining loop
for (i = 0 ; i < lremaining ; i++)
@ -282,6 +297,7 @@ _generate_gradient_color_table(Efl_Gfx_Gradient_Stop *gradient_stops, int stop_c
Efl_Gfx_Gradient_Stop *curr, *next;
uint current_color, next_color;
double delta, t, incr, fpos;
assert(stop_count > 0);
curr = gradient_stops;
@ -301,12 +317,14 @@ _generate_gradient_color_table(Efl_Gfx_Gradient_Stop *gradient_stops, int stop_c
for (i = 0; i < stop_count - 1; ++i)
{
BLEND_FUNC func;
curr = (gradient_stops + i);
next = (gradient_stops + i + 1);
delta = 1/(next->offset - curr->offset);
if (next->a != 255) alpha = EINA_TRUE;
next_color = ECTOR_ARGB_JOIN(next->a, next->r, next->g, next->b);
BLEND_FUNC func = &_ease_linear;
func = &_ease_linear;
while (fpos < next->offset && pos < size)
{
t = func((fpos - curr->offset) * delta);
@ -334,7 +352,8 @@ update_color_table(Ector_Renderer_Software_Gradient_Data *gdata)
if (gdata->color_table) return;
gdata->color_table = malloc(GRADIENT_STOPTABLE_SIZE * 4);
gdata->alpha = _generate_gradient_color_table(gdata->gd->colors, gdata->gd->colors_count, gdata->color_table, GRADIENT_STOPTABLE_SIZE);
gdata->alpha = _generate_gradient_color_table(gdata->gd->colors, gdata->gd->colors_count,
gdata->color_table, GRADIENT_STOPTABLE_SIZE);
}
void
@ -352,6 +371,7 @@ _linear_helper_generic(uint *buffer, int length, Ector_Renderer_Software_Gradien
int t_fixed, int inc_fixed)
{
int i;
for (i = 0 ; i < length ; i++)
{
*buffer++ = _gradient_pixel_fixed(g_data, t_fixed);
@ -366,6 +386,7 @@ fetch_linear_gradient(uint *buffer, Span_Data *data, int y, int x, int length)
float t, inc, rx=0, ry=0;
uint *end;
int t_fixed, inc_fixed;
if (g_data->linear.l == 0)
{
t = inc = 0;
@ -394,7 +415,7 @@ fetch_linear_gradient(uint *buffer, Span_Data *data, int y, int x, int length)
// we can use fixed point math
t_fixed = (int)(t * FIXPT_SIZE);
inc_fixed = (int)(inc * FIXPT_SIZE);
linear_helper(buffer, length, g_data, t_fixed, inc_fixed);
_ector_linear_helper(buffer, length, g_data, t_fixed, inc_fixed);
}
else
{
@ -415,6 +436,7 @@ _radial_helper_generic(uint *buffer, int length, Ector_Renderer_Software_Gradien
float delta_det, float delta_delta_det, float b, float delta_b)
{
int i;
for (i = 0 ; i < length ; i++)
{
*buffer++ = _gradient_pixel(g_data, sqrt(det) - b);
@ -431,6 +453,7 @@ fetch_radial_gradient(uint *buffer, Span_Data *data, int y, int x, int length)
float rx, ry, inv_a, delta_rx, delta_ry, b, delta_b, b_delta_b, delta_b_delta_b,
bb, delta_bb, rxrxryry, delta_rxrxryry, rx_plus_ry, delta_rx_plus_ry, det,
delta_det, delta_delta_det;
// avoid division by zero
if (fabsf(g_data->radial.a) <= 0.00001f)
{
@ -470,20 +493,20 @@ fetch_radial_gradient(uint *buffer, Span_Data *data, int y, int x, int length)
delta_det = (b_delta_b + delta_bb + 4 * g_data->radial.a * (rx_plus_ry + delta_rxrxryry)) * inv_a;
delta_delta_det = (delta_b_delta_b + 4 * g_data->radial.a * delta_rx_plus_ry) * inv_a;
radial_helper(buffer, length, g_data, det, delta_det, delta_delta_det, b, delta_b);
_ector_radial_helper(buffer, length, g_data, det, delta_det, delta_delta_det, b, delta_b);
}
void
drawhelper_gradient_init()
{
radial_helper = _radial_helper_generic;
linear_helper = _linear_helper_generic;
#ifdef BUILD_SSE3
_ector_radial_helper = _radial_helper_generic;
_ector_linear_helper = _linear_helper_generic;
#ifdef BUILD_SSE3
if (eina_cpu_features_get() & EINA_CPU_SSE3)
{
radial_helper = _radial_helper_sse3;
linear_helper = _linear_helper_sse3;
_ector_radial_helper = _radial_helper_sse3;
_ector_linear_helper = _linear_helper_sse3;
}
#endif
#endif
}