#include "c99_math.h"
#include "glheader.h"
-#include "imports.h"
#include "context.h"
#include "enums.h"
#include "light.h"
#include "macros.h"
-#include "util/simple_list.h"
#include "mtypes.h"
#include "math/m_matrix.h"
+#include "util/bitscan.h"
void GLAPIENTRY
if (MESA_VERBOSE&VERBOSE_API)
_mesa_debug(ctx, "glProvokingVertexEXT 0x%x\n", mode);
+ if (ctx->Light.ProvokingVertex == mode)
+ return;
+
switch (mode) {
case GL_FIRST_VERTEX_CONVENTION_EXT:
case GL_LAST_VERTEX_CONVENTION_EXT:
return;
}
- if (ctx->Light.ProvokingVertex == mode)
- return;
-
FLUSH_VERTICES(ctx, _NEW_LIGHT);
ctx->Light.ProvokingVertex = mode;
}
light->QuadraticAttenuation = params[0];
break;
default:
- _mesa_problem(ctx, "Unexpected pname in _mesa_light()");
- return;
+ unreachable("Unexpected pname in _mesa_light()");
}
if (ctx->Driver.Lightfv)
void
_mesa_update_material( struct gl_context *ctx, GLuint bitmask )
{
- struct gl_light *light, *list = &ctx->Light.EnabledList;
GLfloat (*mat)[4] = ctx->Light.Material.Attrib;
- if (MESA_VERBOSE & VERBOSE_MATERIAL)
+ if (MESA_VERBOSE & VERBOSE_MATERIAL)
_mesa_debug(ctx, "_mesa_update_material, mask 0x%x\n", bitmask);
if (!bitmask)
/* update material ambience */
if (bitmask & MAT_BIT_FRONT_AMBIENT) {
- foreach (light, list) {
- SCALE_3V( light->_MatAmbient[0], light->Ambient,
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
+ SCALE_3V( light->_MatAmbient[0], light->Ambient,
mat[MAT_ATTRIB_FRONT_AMBIENT]);
}
}
if (bitmask & MAT_BIT_BACK_AMBIENT) {
- foreach (light, list) {
- SCALE_3V( light->_MatAmbient[1], light->Ambient,
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
+ SCALE_3V( light->_MatAmbient[1], light->Ambient,
mat[MAT_ATTRIB_BACK_AMBIENT]);
}
}
/* update material diffuse values */
if (bitmask & MAT_BIT_FRONT_DIFFUSE) {
- foreach (light, list) {
- SCALE_3V( light->_MatDiffuse[0], light->Diffuse,
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
+ SCALE_3V( light->_MatDiffuse[0], light->Diffuse,
mat[MAT_ATTRIB_FRONT_DIFFUSE] );
}
}
if (bitmask & MAT_BIT_BACK_DIFFUSE) {
- foreach (light, list) {
- SCALE_3V( light->_MatDiffuse[1], light->Diffuse,
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
+ SCALE_3V( light->_MatDiffuse[1], light->Diffuse,
mat[MAT_ATTRIB_BACK_DIFFUSE] );
}
}
/* update material specular values */
if (bitmask & MAT_BIT_FRONT_SPECULAR) {
- foreach (light, list) {
- SCALE_3V( light->_MatSpecular[0], light->Specular,
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
+ SCALE_3V( light->_MatSpecular[0], light->Specular,
mat[MAT_ATTRIB_FRONT_SPECULAR]);
}
}
if (bitmask & MAT_BIT_BACK_SPECULAR) {
- foreach (light, list) {
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
SCALE_3V( light->_MatSpecular[1], light->Specular,
mat[MAT_ATTRIB_BACK_SPECULAR]);
}
void
_mesa_update_color_material( struct gl_context *ctx, const GLfloat color[4] )
{
- const GLbitfield bitmask = ctx->Light._ColorMaterialBitmask;
+ GLbitfield bitmask = ctx->Light._ColorMaterialBitmask;
struct gl_material *mat = &ctx->Light.Material;
- int i;
- for (i = 0 ; i < MAT_ATTRIB_MAX ; i++)
- if (bitmask & (1<<i))
- COPY_4FV( mat->Attrib[i], color );
+ while (bitmask) {
+ const int i = u_bit_scan(&bitmask);
+
+ COPY_4FV( mat->Attrib[i], color );
+ }
_mesa_update_material( ctx, bitmask );
}
params[3] = FLOAT_TO_INT( mat[MAT_ATTRIB_EMISSION(f)][3] );
break;
case GL_SHININESS:
- *params = IROUND( mat[MAT_ATTRIB_SHININESS(f)][0] );
+ *params = lroundf( mat[MAT_ATTRIB_SHININESS(f)][0] );
break;
case GL_COLOR_INDEXES:
- params[0] = IROUND( mat[MAT_ATTRIB_INDEXES(f)][0] );
- params[1] = IROUND( mat[MAT_ATTRIB_INDEXES(f)][1] );
- params[2] = IROUND( mat[MAT_ATTRIB_INDEXES(f)][2] );
+ params[0] = lroundf( mat[MAT_ATTRIB_INDEXES(f)][0] );
+ params[1] = lroundf( mat[MAT_ATTRIB_INDEXES(f)][1] );
+ params[2] = lroundf( mat[MAT_ATTRIB_INDEXES(f)][2] );
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glGetMaterialfv(pname)" );
_mesa_update_lighting( struct gl_context *ctx )
{
GLbitfield flags = 0;
- struct gl_light *light;
ctx->Light._NeedEyeCoords = GL_FALSE;
if (!ctx->Light.Enabled)
return;
- foreach(light, &ctx->Light.EnabledList) {
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
flags |= light->_Flags;
}
static void
compute_light_positions( struct gl_context *ctx )
{
- struct gl_light *light;
static const GLfloat eye_z[3] = { 0, 0, 1 };
if (!ctx->Light.Enabled)
TRANSFORM_NORMAL( ctx->_EyeZDir, eye_z, ctx->ModelviewMatrixStack.Top->m );
}
- foreach (light, &ctx->Light.EnabledList) {
+ GLbitfield mask = ctx->Light._EnabledLights;
+ while (mask) {
+ const int i = u_bit_scan(&mask);
+ struct gl_light *light = &ctx->Light.Light[i];
if (ctx->_NeedEyeCoords) {
/* _Position is in eye coordinate space */
update_modelview_scale( struct gl_context *ctx )
{
ctx->_ModelViewInvScale = 1.0F;
+ ctx->_ModelViewInvScaleEyespace = 1.0F;
if (!_math_matrix_is_length_preserving(ctx->ModelviewMatrixStack.Top)) {
const GLfloat *m = ctx->ModelviewMatrixStack.Top->inv;
GLfloat f = m[2] * m[2] + m[6] * m[6] + m[10] * m[10];
ctx->_ModelViewInvScale = 1.0f / sqrtf(f);
else
ctx->_ModelViewInvScale = sqrtf(f);
+ ctx->_ModelViewInvScaleEyespace = 1.0f / sqrtf(f);
}
}
* Initialize the n-th light data structure.
*
* \param l pointer to the gl_light structure to be initialized.
- * \param n number of the light.
+ * \param n number of the light.
* \note The defaults for light 0 are different than the other lights.
*/
static void
init_light( struct gl_light *l, GLuint n )
{
- make_empty_list( l );
-
ASSIGN_4V( l->Ambient, 0.0, 0.0, 0.0, 1.0 );
if (n==0) {
ASSIGN_4V( l->Diffuse, 1.0, 1.0, 1.0, 1.0 );
/**
* Initialize the material data structure.
- *
+ *
* \param m pointer to the gl_material structure to be initialized.
*/
static void
ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_EMISSION], 0.0F, 0.0F, 0.0F, 1.0F );
ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_SHININESS], 0.0F, 0.0F, 0.0F, 0.0F );
ASSIGN_4V( m->Attrib[MAT_ATTRIB_FRONT_INDEXES], 0.0F, 1.0F, 1.0F, 0.0F );
-
+
ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_AMBIENT], 0.2F, 0.2F, 0.2F, 1.0F );
ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_DIFFUSE], 0.8F, 0.8F, 0.8F, 1.0F );
ASSIGN_4V( m->Attrib[MAT_ATTRIB_BACK_SPECULAR], 0.0F, 0.0F, 0.0F, 1.0F );
GLuint i;
/* Lighting group */
+ ctx->Light._EnabledLights = 0;
for (i = 0; i < MAX_LIGHTS; i++) {
init_light( &ctx->Light.Light[i], i );
}
- make_empty_list( &ctx->Light.EnabledList );
init_lightmodel( &ctx->Light.Model );
init_material( &ctx->Light.Material );
ctx->_NeedEyeCoords = GL_FALSE;
ctx->_ForceEyeCoords = GL_FALSE;
ctx->_ModelViewInvScale = 1.0;
+ ctx->_ModelViewInvScaleEyespace = 1.0;
}