static void make_state_key( GLcontext *ctx, struct state_key *key )
{
const struct gl_fragment_program *fp;
GLuint i;
memset(key, 0, sizeof(struct state_key));
fp = ctx->FragmentProgram._Current;
/* This now relies on texenvprogram.c being active:
*/
assert(fp);
key->need_eye_coords = ctx->_NeedEyeCoords;
key->fragprog_inputs_read = fp->Base.InputsRead;
key->varying_vp_inputs = ctx->varying_vp_inputs;
if (ctx->RenderMode == GL_FEEDBACK) {
/* make sure the vertprog emits color and tex0 */
key->fragprog_inputs_read |= (FRAG_BIT_COL0 | FRAG_BIT_TEX0);
}
key->separate_specular = (ctx->Light.Model.ColorControl ==
GL_SEPARATE_SPECULAR_COLOR);
if (ctx->Light.Enabled) {
key->light_global_enabled = 1;
if (ctx->Light.Model.LocalViewer)
key->light_local_viewer = 1;
if (ctx->Light.Model.TwoSide)
key->light_twoside = 1;
if (ctx->Light.ColorMaterialEnabled) {
key->light_color_material_mask = ctx->Light.ColorMaterialBitmask;
}
for (i = 0; i < MAX_LIGHTS; i++) {
struct gl_light *light = &ctx->Light.Light[i];
if (light->Enabled) {
key->unit[i].light_enabled = 1;
if (light->EyePosition[3] == 0.0)
key->unit[i].light_eyepos3_is_zero = 1;
if (light->SpotCutoff == 180.0)
key->unit[i].light_spotcutoff_is_180 = 1;
if (light->ConstantAttenuation != 1.0 ||
light->LinearAttenuation != 0.0 ||
light->QuadraticAttenuation != 0.0)
key->unit[i].light_attenuated = 1;
}
}
if (check_active_shininess(ctx, key, 0)) {
key->material_shininess_is_zero = 0;
}
else if (key->light_twoside &&
check_active_shininess(ctx, key, 1)) {
key->material_shininess_is_zero = 0;
}
else {
key->material_shininess_is_zero = 1;
}
}
if (ctx->Transform.Normalize)
key->normalize = 1;
if (ctx->Transform.RescaleNormals)
key->rescale_normals = 1;
if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT)
key->fog_source_is_depth = 1;
if (ctx->Point._Attenuated)
key->point_attenuated = 1;
#if FEATURE_point_size_array
if (ctx->Array.ArrayObj->PointSize.Enabled)
key->point_array = 1;
#endif
if (ctx->Texture._TexGenEnabled ||
ctx->Texture._TexMatEnabled ||
ctx->Texture._EnabledUnits)
key->texture_enabled_global = 1;
for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
if (texUnit->_ReallyEnabled)
key->unit[i].texunit_really_enabled = 1;
if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i))
key->unit[i].texmat_enabled = 1;
if (texUnit->TexGenEnabled) {
key->unit[i].texgen_enabled = 1;
key->unit[i].texgen_mode0 =
translate_texgen( texUnit->TexGenEnabled & (1<<0),
texUnit->GenS.Mode );
key->unit[i].texgen_mode1 =
translate_texgen( texUnit->TexGenEnabled & (1<<1),
texUnit->GenT.Mode );
key->unit[i].texgen_mode2 =
translate_texgen( texUnit->TexGenEnabled & (1<<2),
texUnit->GenR.Mode );
key->unit[i].texgen_mode3 =
translate_texgen( texUnit->TexGenEnabled & (1<<3),
texUnit->GenQ.Mode );
}
}
}
static void make_state_key( struct gl_context *ctx, struct state_key *key )
{
const struct gl_program *fp = ctx->FragmentProgram._Current;
GLbitfield mask;
memset(key, 0, sizeof(struct state_key));
/* This now relies on texenvprogram.c being active:
*/
assert(fp);
key->need_eye_coords = ctx->_NeedEyeCoords;
key->fragprog_inputs_read = fp->info.inputs_read;
key->varying_vp_inputs = ctx->varying_vp_inputs;
if (ctx->RenderMode == GL_FEEDBACK) {
/* make sure the vertprog emits color and tex0 */
key->fragprog_inputs_read |= (VARYING_BIT_COL0 | VARYING_BIT_TEX0);
}
key->separate_specular = (ctx->Light.Model.ColorControl ==
GL_SEPARATE_SPECULAR_COLOR);
if (ctx->Light.Enabled) {
key->light_global_enabled = 1;
if (ctx->Light.Model.LocalViewer)
key->light_local_viewer = 1;
if (ctx->Light.Model.TwoSide)
key->light_twoside = 1;
if (ctx->Light.ColorMaterialEnabled) {
key->light_color_material_mask = ctx->Light._ColorMaterialBitmask;
}
mask = ctx->Light._EnabledLights;
while (mask) {
const int i = u_bit_scan(&mask);
struct gl_light *light = &ctx->Light.Light[i];
key->unit[i].light_enabled = 1;
if (light->EyePosition[3] == 0.0F)
key->unit[i].light_eyepos3_is_zero = 1;
if (light->SpotCutoff == 180.0F)
key->unit[i].light_spotcutoff_is_180 = 1;
if (light->ConstantAttenuation != 1.0F ||
light->LinearAttenuation != 0.0F ||
light->QuadraticAttenuation != 0.0F)
key->unit[i].light_attenuated = 1;
}
if (check_active_shininess(ctx, key, 0)) {
key->material_shininess_is_zero = 0;
}
else if (key->light_twoside &&
check_active_shininess(ctx, key, 1)) {
key->material_shininess_is_zero = 0;
}
else {
key->material_shininess_is_zero = 1;
}
}
if (ctx->Transform.Normalize)
key->normalize = 1;
if (ctx->Transform.RescaleNormals)
key->rescale_normals = 1;
if (ctx->Fog.FogCoordinateSource == GL_FRAGMENT_DEPTH_EXT) {
key->fog_source_is_depth = 1;
key->fog_distance_mode = translate_fog_distance_mode(ctx->Fog.FogDistanceMode);
}
if (ctx->Point._Attenuated)
key->point_attenuated = 1;
if (ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_POINT_SIZE].Enabled)
key->point_array = 1;
if (ctx->Texture._TexGenEnabled ||
ctx->Texture._TexMatEnabled ||
ctx->Texture._MaxEnabledTexImageUnit != -1)
key->texture_enabled_global = 1;
mask = ctx->Texture._EnabledCoordUnits | ctx->Texture._TexGenEnabled
| ctx->Texture._TexMatEnabled | ctx->Point.CoordReplace;
while (mask) {
const int i = u_bit_scan(&mask);
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[i];
if (texUnit->_Current)
key->unit[i].texunit_really_enabled = 1;
if (ctx->Point.PointSprite)
if (ctx->Point.CoordReplace & (1u << i))
key->unit[i].coord_replace = 1;
if (ctx->Texture._TexMatEnabled & ENABLE_TEXMAT(i))
key->unit[i].texmat_enabled = 1;
if (texUnit->TexGenEnabled) {
key->unit[i].texgen_enabled = 1;
key->unit[i].texgen_mode0 =
translate_texgen( texUnit->TexGenEnabled & (1<<0),
texUnit->GenS.Mode );
key->unit[i].texgen_mode1 =
translate_texgen( texUnit->TexGenEnabled & (1<<1),
texUnit->GenT.Mode );
key->unit[i].texgen_mode2 =
translate_texgen( texUnit->TexGenEnabled & (1<<2),
texUnit->GenR.Mode );
key->unit[i].texgen_mode3 =
translate_texgen( texUnit->TexGenEnabled & (1<<3),
texUnit->GenQ.Mode );
}
}
}
