radv: fix DCC fast clear code for intensity formats (correctly)

[mesa.git] / src / mesa / math / m_matrix.c

diff --git a/src/mesa/math/m_matrix.c b/src/mesa/math/m_matrix.c
index 9d51021feda88cc88c20ac9c099936aa574e6a7e..d3f89ee7cb7bae4b394e6ad53bc736b50e96a936 100644 (file)
--- a/src/mesa/math/m_matrix.c
+++ b/src/mesa/math/m_matrix.c
@@ -33,11 +33,15 @@
  * -# Transformation of a point p by a matrix M is: p' = M * p
  */
 
+#include <stddef.h>
 
 #include "c99_math.h"
+#include "main/errors.h"
 #include "main/glheader.h"
 #include "main/imports.h"
 #include "main/macros.h"
+#define MATH_ASM_PTR_SIZE sizeof(void *)
+#include "math/m_vector_asm.h"
 
 #include "m_matrix.h"
 
@@ -50,7 +54,7 @@
 /*@{*/
 #define MAT_FLAG_IDENTITY       0     /**< is an identity matrix flag.
                                        *   (Not actually used - the identity
-                                       *   matrix is identified by the absense
+                                       *   matrix is identified by the absence
                                        *   of all other flags.)
                                        */
 #define MAT_FLAG_GENERAL        0x1   /**< is a general matrix flag */
@@ -131,7 +135,7 @@ static const char *types[] = {
 /**
  * Identity matrix.
  */
-static GLfloat Identity[16] = {
+static const GLfloat Identity[16] = {
    1.0, 0.0, 0.0, 0.0,
    0.0, 1.0, 0.0, 0.0,
    0.0, 0.0, 1.0, 0.0,
@@ -380,7 +384,7 @@ static GLboolean invert_matrix_general( GLmatrix *mat )
    if (fabsf(r3[0])>fabsf(r2[0])) SWAP_ROWS(r3, r2);
    if (fabsf(r2[0])>fabsf(r1[0])) SWAP_ROWS(r2, r1);
    if (fabsf(r1[0])>fabsf(r0[0])) SWAP_ROWS(r1, r0);
-   if (0.0 == r0[0])  return GL_FALSE;
+   if (0.0F == r0[0])  return GL_FALSE;
 
    /* eliminate first variable     */
    m1 = r1[0]/r0[0]; m2 = r2[0]/r0[0]; m3 = r3[0]/r0[0];
@@ -388,31 +392,31 @@ static GLboolean invert_matrix_general( GLmatrix *mat )
    s = r0[2]; r1[2] -= m1 * s; r2[2] -= m2 * s; r3[2] -= m3 * s;
    s = r0[3]; r1[3] -= m1 * s; r2[3] -= m2 * s; r3[3] -= m3 * s;
    s = r0[4];
-   if (s != 0.0) { r1[4] -= m1 * s; r2[4] -= m2 * s; r3[4] -= m3 * s; }
+   if (s != 0.0F) { r1[4] -= m1 * s; r2[4] -= m2 * s; r3[4] -= m3 * s; }
    s = r0[5];
-   if (s != 0.0) { r1[5] -= m1 * s; r2[5] -= m2 * s; r3[5] -= m3 * s; }
+   if (s != 0.0F) { r1[5] -= m1 * s; r2[5] -= m2 * s; r3[5] -= m3 * s; }
    s = r0[6];
-   if (s != 0.0) { r1[6] -= m1 * s; r2[6] -= m2 * s; r3[6] -= m3 * s; }
+   if (s != 0.0F) { r1[6] -= m1 * s; r2[6] -= m2 * s; r3[6] -= m3 * s; }
    s = r0[7];
-   if (s != 0.0) { r1[7] -= m1 * s; r2[7] -= m2 * s; r3[7] -= m3 * s; }
+   if (s != 0.0F) { r1[7] -= m1 * s; r2[7] -= m2 * s; r3[7] -= m3 * s; }
 
    /* choose pivot - or die */
    if (fabsf(r3[1])>fabsf(r2[1])) SWAP_ROWS(r3, r2);
    if (fabsf(r2[1])>fabsf(r1[1])) SWAP_ROWS(r2, r1);
-   if (0.0 == r1[1])  return GL_FALSE;
+   if (0.0F == r1[1])  return GL_FALSE;
 
    /* eliminate second variable */
    m2 = r2[1]/r1[1]; m3 = r3[1]/r1[1];
    r2[2] -= m2 * r1[2]; r3[2] -= m3 * r1[2];
    r2[3] -= m2 * r1[3]; r3[3] -= m3 * r1[3];
-   s = r1[4]; if (0.0 != s) { r2[4] -= m2 * s; r3[4] -= m3 * s; }
-   s = r1[5]; if (0.0 != s) { r2[5] -= m2 * s; r3[5] -= m3 * s; }
-   s = r1[6]; if (0.0 != s) { r2[6] -= m2 * s; r3[6] -= m3 * s; }
-   s = r1[7]; if (0.0 != s) { r2[7] -= m2 * s; r3[7] -= m3 * s; }
+   s = r1[4]; if (0.0F != s) { r2[4] -= m2 * s; r3[4] -= m3 * s; }
+   s = r1[5]; if (0.0F != s) { r2[5] -= m2 * s; r3[5] -= m3 * s; }
+   s = r1[6]; if (0.0F != s) { r2[6] -= m2 * s; r3[6] -= m3 * s; }
+   s = r1[7]; if (0.0F != s) { r2[7] -= m2 * s; r3[7] -= m3 * s; }
 
    /* choose pivot - or die */
    if (fabsf(r3[2])>fabsf(r2[2])) SWAP_ROWS(r3, r2);
-   if (0.0 == r2[2])  return GL_FALSE;
+   if (0.0F == r2[2])  return GL_FALSE;
 
    /* eliminate third variable */
    m3 = r3[2]/r2[2];
@@ -421,7 +425,7 @@ static GLboolean invert_matrix_general( GLmatrix *mat )
    r3[7] -= m3 * r2[7];
 
    /* last check */
-   if (0.0 == r3[3]) return GL_FALSE;
+   if (0.0F == r3[3]) return GL_FALSE;
 
    s = 1.0F/r3[3];             /* now back substitute row 3 */
    r3[4] *= s; r3[5] *= s; r3[6] *= s; r3[7] *= s;
@@ -490,26 +494,26 @@ static GLboolean invert_matrix_3d_general( GLmatrix *mat )
     */
    pos = neg = 0.0;
    t =  MAT(in,0,0) * MAT(in,1,1) * MAT(in,2,2);
-   if (t >= 0.0) pos += t; else neg += t;
+   if (t >= 0.0F) pos += t; else neg += t;
 
    t =  MAT(in,1,0) * MAT(in,2,1) * MAT(in,0,2);
-   if (t >= 0.0) pos += t; else neg += t;
+   if (t >= 0.0F) pos += t; else neg += t;
 
    t =  MAT(in,2,0) * MAT(in,0,1) * MAT(in,1,2);
-   if (t >= 0.0) pos += t; else neg += t;
+   if (t >= 0.0F) pos += t; else neg += t;
 
    t = -MAT(in,2,0) * MAT(in,1,1) * MAT(in,0,2);
-   if (t >= 0.0) pos += t; else neg += t;
+   if (t >= 0.0F) pos += t; else neg += t;
 
    t = -MAT(in,1,0) * MAT(in,0,1) * MAT(in,2,2);
-   if (t >= 0.0) pos += t; else neg += t;
+   if (t >= 0.0F) pos += t; else neg += t;
 
    t = -MAT(in,0,0) * MAT(in,2,1) * MAT(in,1,2);
-   if (t >= 0.0) pos += t; else neg += t;
+   if (t >= 0.0F) pos += t; else neg += t;
 
    det = pos + neg;
 
-   if (fabsf(det) < 1e-25)
+   if (fabsf(det) < 1e-25F)
       return GL_FALSE;
 
    det = 1.0F / det;
@@ -564,7 +568,7 @@ static GLboolean invert_matrix_3d( GLmatrix *mat )
                        MAT(in,0,1) * MAT(in,0,1) +
                        MAT(in,0,2) * MAT(in,0,2));
 
-      if (scale == 0.0)
+      if (scale == 0.0F)
          return GL_FALSE;
 
       scale = 1.0F / scale;
@@ -654,7 +658,7 @@ static GLboolean invert_matrix_3d_no_rot( GLmatrix *mat )
    if (MAT(in,0,0) == 0 || MAT(in,1,1) == 0 || MAT(in,2,2) == 0 )
       return GL_FALSE;
 
-   memcpy( out, Identity, 16 * sizeof(GLfloat) );
+   memcpy( out, Identity, sizeof(Identity) );
    MAT(out,0,0) = 1.0F / MAT(in,0,0);
    MAT(out,1,1) = 1.0F / MAT(in,1,1);
    MAT(out,2,2) = 1.0F / MAT(in,2,2);
@@ -687,7 +691,7 @@ static GLboolean invert_matrix_2d_no_rot( GLmatrix *mat )
    if (MAT(in,0,0) == 0 || MAT(in,1,1) == 0)
       return GL_FALSE;
 
-   memcpy( out, Identity, 16 * sizeof(GLfloat) );
+   memcpy( out, Identity, sizeof(Identity) );
    MAT(out,0,0) = 1.0F / MAT(in,0,0);
    MAT(out,1,1) = 1.0F / MAT(in,1,1);
 
@@ -709,7 +713,7 @@ static GLboolean invert_matrix_perspective( GLmatrix *mat )
    if (MAT(in,2,3) == 0)
       return GL_FALSE;
 
-   memcpy( out, Identity, 16 * sizeof(GLfloat) );
+   memcpy( out, Identity, sizeof(Identity) );
 
    MAT(out,0,0) = 1.0F / MAT(in,0,0);
    MAT(out,1,1) = 1.0F / MAT(in,1,1);
@@ -799,10 +803,10 @@ _math_matrix_rotate( GLmatrix *mat,
    GLfloat m[16];
    GLboolean optimized;
 
-   s = (GLfloat) sin( angle * DEG2RAD );
-   c = (GLfloat) cos( angle * DEG2RAD );
+   s = sinf( angle * M_PI / 180.0 );
+   c = cosf( angle * M_PI / 180.0 );
 
-   memcpy(m, Identity, sizeof(GLfloat)*16);
+   memcpy(m, Identity, sizeof(Identity));
    optimized = GL_FALSE;
 
 #define M(row,col)  m[col*4+row]
@@ -859,7 +863,7 @@ _math_matrix_rotate( GLmatrix *mat,
    if (!optimized) {
       const GLfloat mag = sqrtf(x * x + y * y + z * z);
 
-      if (mag <= 1.0e-4) {
+      if (mag <= 1.0e-4F) {
          /* no rotation, leave mat as-is */
          return;
       }
@@ -1070,7 +1074,7 @@ _math_matrix_scale( GLmatrix *mat, GLfloat x, GLfloat y, GLfloat z )
    m[2] *= x;   m[6] *= y;   m[10] *= z;
    m[3] *= x;   m[7] *= y;   m[11] *= z;
 
-   if (fabsf(x - y) < 1e-8 && fabsf(x - z) < 1e-8)
+   if (fabsf(x - y) < 1e-8F && fabsf(x - z) < 1e-8F)
       mat->flags |= MAT_FLAG_UNIFORM_SCALE;
    else
       mat->flags |= MAT_FLAG_GENERAL_SCALE;
@@ -1111,8 +1115,8 @@ _math_matrix_translate( GLmatrix *mat, GLfloat x, GLfloat y, GLfloat z )
  * Transforms Normalized Device Coords to window/Z values.
  */
 void
-_math_matrix_viewport(GLmatrix *m, const double scale[3],
-                      const double translate[3], double depthMax)
+_math_matrix_viewport(GLmatrix *m, const float scale[3],
+                      const float translate[3], double depthMax)
 {
    m->m[MAT_SX] = scale[0];
    m->m[MAT_TX] = translate[0];
@@ -1136,8 +1140,11 @@ _math_matrix_viewport(GLmatrix *m, const double scale[3],
 void
 _math_matrix_set_identity( GLmatrix *mat )
 {
-   memcpy( mat->m, Identity, 16*sizeof(GLfloat) );
-   memcpy( mat->inv, Identity, 16*sizeof(GLfloat) );
+   STATIC_ASSERT(MATRIX_M == offsetof(GLmatrix, m));
+   STATIC_ASSERT(MATRIX_INV == offsetof(GLmatrix, inv));
+
+   memcpy( mat->m, Identity, sizeof(Identity) );
+   memcpy( mat->inv, Identity, sizeof(Identity) );
 
    mat->type = MATRIX_IDENTITY;
    mat->flags &= ~(MAT_DIRTY_FLAGS|
@@ -1206,7 +1213,7 @@ static void analyse_from_scratch( GLmatrix *mat )
    GLuint i;
 
    for (i = 0 ; i < 16 ; i++) {
-      if (m[i] == 0.0) mask |= (1<<i);
+      if (m[i] == 0.0F) mask |= (1<<i);
    }
 
    if (m[0] == 1.0F) mask |= (1<<16);
@@ -1240,12 +1247,12 @@ static void analyse_from_scratch( GLmatrix *mat )
       mat->type = MATRIX_2D;
 
       /* Check for scale */
-      if (SQ(mm-1) > SQ(1e-6) ||
-         SQ(m4m4-1) > SQ(1e-6))
+      if (SQ(mm-1) > SQ(1e-6F) ||
+         SQ(m4m4-1) > SQ(1e-6F))
         mat->flags |= MAT_FLAG_GENERAL_SCALE;
 
       /* Check for rotation */
-      if (SQ(mm4) > SQ(1e-6))
+      if (SQ(mm4) > SQ(1e-6F))
         mat->flags |= MAT_FLAG_GENERAL_3D;
       else
         mat->flags |= MAT_FLAG_ROTATION;
@@ -1255,9 +1262,9 @@ static void analyse_from_scratch( GLmatrix *mat )
       mat->type = MATRIX_3D_NO_ROT;
 
       /* Check for scale */
-      if (SQ(m[0]-m[5]) < SQ(1e-6) &&
-         SQ(m[0]-m[10]) < SQ(1e-6)) {
-        if (SQ(m[0]-1.0) > SQ(1e-6)) {
+      if (SQ(m[0]-m[5]) < SQ(1e-6F) &&
+         SQ(m[0]-m[10]) < SQ(1e-6F)) {
+        if (SQ(m[0]-1.0F) > SQ(1e-6F)) {
            mat->flags |= MAT_FLAG_UNIFORM_SCALE;
          }
       }
@@ -1275,8 +1282,8 @@ static void analyse_from_scratch( GLmatrix *mat )
       mat->type = MATRIX_3D;
 
       /* Check for scale */
-      if (SQ(c1-c2) < SQ(1e-6) && SQ(c1-c3) < SQ(1e-6)) {
-        if (SQ(c1-1.0) > SQ(1e-6))
+      if (SQ(c1-c2) < SQ(1e-6F) && SQ(c1-c3) < SQ(1e-6F)) {
+        if (SQ(c1-1.0F) > SQ(1e-6F))
            mat->flags |= MAT_FLAG_UNIFORM_SCALE;
         /* else no scale at all */
       }
@@ -1285,10 +1292,10 @@ static void analyse_from_scratch( GLmatrix *mat )
       }
 
       /* Check for rotation */
-      if (SQ(d1) < SQ(1e-6)) {
+      if (SQ(d1) < SQ(1e-6F)) {
         CROSS3( cp, m, m+4 );
         SUB_3V( cp, cp, (m+8) );
-        if (LEN_SQUARED_3FV(cp) < SQ(1e-6))
+        if (LEN_SQUARED_3FV(cp) < SQ(1e-6F))
            mat->flags |= MAT_FLAG_ROTATION;
         else
            mat->flags |= MAT_FLAG_GENERAL_3D;
@@ -1437,7 +1444,7 @@ _math_matrix_is_dirty( const GLmatrix *m )
 void
 _math_matrix_copy( GLmatrix *to, const GLmatrix *from )
 {
-   memcpy( to->m, from->m, sizeof(Identity) );
+   memcpy(to->m, from->m, 16 * sizeof(GLfloat));
    memcpy(to->inv, from->inv, 16 * sizeof(GLfloat));
    to->flags = from->flags;
    to->type = from->type;